/* =============================================
   TTA Load Builder — Light Glass UI
   ============================================= */

/* --- Tokens --- */
:root {
  --bg: #e8edf5;
  --bg-gradient: linear-gradient(135deg, #dce3f0 0%, #e8edf5 30%, #f0e6f6 60%, #e0ecf8 100%);
  --sidebar-bg: rgba(255,255,255,0.55);
  --card: rgba(255,255,255,0.50);
  --card-solid: rgba(255,255,255,0.70);
  --glass: rgba(255,255,255,0.45);
  --glass-hover: rgba(255,255,255,0.65);
  --glass-active: rgba(59,130,246,0.12);
  --glass-border: rgba(255,255,255,0.60);
  --glass-border-hover: rgba(255,255,255,0.80);
  --glass-blur: blur(18px);
  --text: #0f172a;
  --text-2: #334155;
  --muted: #64748b;
  --faint: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: rgba(59,130,246,0.10);
  --success: #16a34a;
  --success-light: rgba(22,163,74,0.10);
  --danger: #ef4444;
  --danger-light: rgba(239,68,68,0.08);
  --warning: #f59e0b;
  --warning-light: rgba(245,158,11,0.10);
  --border: rgba(0,0,0,0.06);
  --border-light: rgba(255,255,255,0.50);
  --r-xs: 6px;
  --r-sm: 8px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --s-xs: 0 1px 3px rgba(0,0,0,0.04), 0 0 0 1px rgba(255,255,255,0.6) inset;
  --s-sm: 0 2px 8px rgba(0,0,0,0.06), 0 0 0 1px rgba(255,255,255,0.5) inset;
  --s-md: 0 4px 16px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.4) inset;
  --s-lg: 0 8px 32px rgba(0,0,0,0.10), 0 0 0 1px rgba(255,255,255,0.3) inset;
  --t-fast: 0.15s ease;
  --t-base: 0.25s ease;
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,-apple-system,sans-serif;
  background:var(--bg);
  background-image:var(--bg-gradient);
  background-attachment:fixed;
  margin:0;
  color:var(--text);
  font-size:13px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;
}
::selection{background:rgba(59,130,246,0.20)}

/* --- Layout --- */
.app{
  display:grid;
  grid-template-columns:280px 1fr;
  min-height:100vh;
}

/* ============================
   SIDEBAR
   ============================ */
.sidebar{
  background:var(--sidebar-bg);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  color:var(--text);
  display:flex;
  flex-direction:column;
  height:100vh;
  position:sticky;
  top:0;
  overflow:hidden;
  padding:0;
  border-right:1px solid var(--glass-border);
}

.sidebar-brand{
  padding:18px 16px 14px;
  display:flex;
  align-items:center;
  gap:10px;
  border-bottom:1px solid var(--glass-border);
}

.sidebar-brand h3{
  font-size:15px;
  font-weight:800;
  margin:0;
  letter-spacing:-0.02em;
  color:var(--text);
}

.brand-badge{
  font-size:8px;
  font-weight:800;
  padding:2px 6px;
  border-radius:4px;
  background:var(--accent-light);
  color:var(--accent);
  letter-spacing:0.08em;
  text-transform:uppercase;
}

.logged-in-badge{
  display:none;
  font-size:9px;
  font-weight:600;
  padding:2px 8px;
  border-radius:4px;
  background:rgba(22,163,74,0.10);
  color:var(--success);
  letter-spacing:0.02em;
  margin-left:auto;
  white-space:nowrap;
  max-width:100px;
  overflow:hidden;
  text-overflow:ellipsis;
}
.logged-in-badge.active{display:inline-flex;align-items:center;gap:4px}
.logged-in-badge::before{content:"\u25CF";font-size:6px}

.sidebar-actions{
  padding:12px 12px 0;
  display:flex;
  flex-direction:column;
  gap:6px;
}

.drop-zone{
  padding:10px;
  border:1.5px dashed rgba(0,0,0,0.10);
  border-radius:var(--r-sm);
  text-align:center;
  color:var(--muted);
  cursor:pointer;
  font-size:11px;
  font-weight:500;
  transition:all var(--t-fast);
  background:rgba(255,255,255,0.45);
  margin:0;
}
.drop-zone:hover,.drop-zone.dragover{
  border-color:var(--accent);
  color:var(--accent);
  background:rgba(59,130,246,0.06);
  box-shadow:0 0 0 3px rgba(59,130,246,0.06);
}
.drop-zone-hint{display:block;font-size:10px;opacity:0.6;margin-top:2px}

#listWrap{
  flex:1;min-height:0;
  overflow-y:auto;overflow-x:hidden;
  padding:8px 12px;
}
#list{display:flex;flex-direction:column;gap:4px}

.upload-errors{padding:0 12px;font-size:11px;color:var(--danger);font-weight:500}

.sidebar-footer{
  padding:8px 12px 14px;
  display:flex;flex-direction:column;gap:4px;
  border-top:1px solid var(--glass-border);
}

/* --- Skid Row --- */
.skid-row{
  background:rgba(255,255,255,0.50);
  padding:8px 10px;
  border-radius:var(--r-sm);
  border:1px solid rgba(0,0,0,0.05);
  transition:all var(--t-fast);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 1px 3px rgba(0,0,0,0.03);
}
.skid-row:hover{background:rgba(255,255,255,0.70);border-color:rgba(0,0,0,0.08);box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.skid-row.active{border-color:rgba(59,130,246,0.30);background:rgba(59,130,246,0.05);box-shadow:0 0 0 2px rgba(59,130,246,0.08)}

.skid-row-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.skid-row-number{font-weight:700;font-size:11px;color:var(--text);letter-spacing:0.02em}
.skid-row-actions{display:flex;gap:3px}

.skid-btn-dup,.skid-btn-del{
  font-size:9px;padding:3px 8px;border-radius:5px;
  border:1px solid transparent;box-shadow:none;font-weight:700;cursor:pointer;
  transition:all var(--t-fast);
  letter-spacing:0.02em;
}
.skid-btn-dup{
  background:rgba(59,130,246,0.08);color:var(--accent);
  border-color:rgba(59,130,246,0.12);
}
.skid-btn-dup:hover{
  background:rgba(59,130,246,0.15);
  border-color:rgba(59,130,246,0.25);
  box-shadow:0 1px 4px rgba(59,130,246,0.12);
}
.skid-btn-del{
  background:rgba(239,68,68,0.06);color:var(--danger);
  border-color:rgba(239,68,68,0.10);
}
.skid-btn-del:hover{
  background:rgba(239,68,68,0.14);
  border-color:rgba(239,68,68,0.25);
  box-shadow:0 1px 4px rgba(239,68,68,0.12);
}

/* --- Sidebar Inputs --- */
.sidebar input[type="number"],
.sidebar input[type="text"]{
  width:100%;height:30px;
  padding:0 8px;
  border-radius:var(--r-xs);
  border:1px solid rgba(0,0,0,0.07);
  background:rgba(255,255,255,0.70);
  color:var(--text);
  font-size:11px;font-weight:500;
  transition:all var(--t-fast);
  box-shadow:0 1px 2px rgba(0,0,0,0.03) inset;
}
.sidebar input:hover{border-color:rgba(0,0,0,0.12)}
.sidebar input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2.5px rgba(59,130,246,0.12);background:rgba(255,255,255,0.90)}
.sidebar input.input-error{border-color:var(--danger);box-shadow:0 0 0 2.5px rgba(239,68,68,0.12);background:rgba(239,68,68,0.04)}
.sidebar input::placeholder{color:var(--faint)}

.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.form-grid>div{min-width:0}

.input-label{
  font-size:9px;color:var(--muted);
  margin-bottom:2px;font-weight:600;
  text-transform:uppercase;letter-spacing:0.06em;
}

/* --- Sidebar Buttons --- */
button{
  font-family:inherit;
  border:none;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;
  cursor:pointer;padding:8px 14px;
  transition:all var(--t-fast);
  line-height:1.4;
}
button:active{transform:scale(0.97)}
button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.add-btn{
  width:100%;padding:10px;
  background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%);color:#fff;
  font-weight:700;font-size:12px;
  border-radius:var(--r-sm);
  box-shadow:0 2px 8px rgba(59,130,246,0.30),0 0 0 1px rgba(59,130,246,0.10) inset;
  letter-spacing:0.02em;
}
.add-btn:hover{
  background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);
  box-shadow:0 4px 16px rgba(59,130,246,0.40),0 0 0 1px rgba(59,130,246,0.15) inset;
  transform:translateY(-1px);
}
.add-btn:active{transform:translateY(0) scale(0.98)}

.calc-btn{
  width:100%;padding:10px;
  background:linear-gradient(135deg,#16a34a 0%,#15803d 100%);color:#fff;
  font-weight:700;border:none;
  border-radius:var(--r-sm);
  box-shadow:0 2px 8px rgba(22,163,74,0.30),0 0 0 1px rgba(22,163,74,0.10) inset;
  letter-spacing:0.02em;
}
.calc-btn:hover{
  background:linear-gradient(135deg,#15803d 0%,#166534 100%);
  box-shadow:0 4px 16px rgba(22,163,74,0.40),0 0 0 1px rgba(22,163,74,0.15) inset;
  transform:translateY(-1px);
}
.calc-btn:active{transform:translateY(0) scale(0.98)}

.rearrange-btn{
  width:100%;padding:10px;
  background:rgba(255,255,255,0.65);color:var(--text);
  border:1px solid rgba(0,0,0,0.08);
  font-weight:600;
  border-radius:var(--r-sm);
  box-shadow:0 1px 4px rgba(0,0,0,0.06);
}
.rearrange-btn:hover{
  background:rgba(255,255,255,0.85);
  border-color:rgba(59,130,246,0.25);
  box-shadow:0 2px 10px rgba(59,130,246,0.12);
  color:var(--accent);
}
.rearrange-btn:active{transform:scale(0.98)}

/* --- Toggle --- */
.no-rotate-label{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  padding:5px 8px;border-radius:var(--r-xs);margin-top:4px;
  border:1px solid rgba(0,0,0,0.06);background:rgba(255,255,255,0.50);
  cursor:pointer;transition:all var(--t-fast);
}
.no-rotate-label:hover{border-color:rgba(59,130,246,0.18);background:rgba(255,255,255,0.70)}
.no-rotate-label input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.no-rotate-label span{font-weight:500;font-size:10px;color:var(--muted)}
.no-rotate-label input:checked~span{color:var(--accent);font-weight:600}

.toggle-switch{
  width:28px;height:15px;border-radius:99px;
  background:var(--faint);position:relative;
  transition:background var(--t-fast);flex-shrink:0;
}
.toggle-switch::after{
  content:"";position:absolute;top:2px;left:2px;
  width:11px;height:11px;border-radius:50%;
  background:#fff;transition:transform var(--t-fast);
}
.no-rotate-label input:checked~.toggle-switch{background:var(--accent)}
.no-rotate-label input:checked~.toggle-switch::after{transform:translateX(13px)}

/* ============================
   MAIN AREA
   ============================ */
.main{
  display:flex;flex-direction:column;
  min-width:0;width:100%;
  background:transparent;
  overflow-x:clip;
}

/* --- Header --- */
.header{
  display:flex;align-items:center;
  padding:8px 16px;
  background:rgba(255,255,255,0.50);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
}

.header>div{
  display:flex;align-items:center;gap:6px;
  flex-wrap:wrap;width:100%;
  justify-content:center;
}

.toolbar-sep{
  width:1px;height:24px;
  background:var(--glass-border);
  flex-shrink:0;
}

.header select{
  height:36px;padding:0 10px;
  border-radius:var(--r-xs);
  border:1px solid var(--border);
  background:var(--glass);color:var(--text);
  font-size:12px;font-weight:600;
  cursor:pointer;
}
.header select:focus{outline:2px solid var(--accent);outline-offset:-1px}

.header button{
  height:36px;padding:0 14px;
  border-radius:var(--r-sm);
  font-size:12px;font-weight:600;
  background:rgba(255,255,255,0.60);color:var(--text-2);
  border:1px solid rgba(0,0,0,0.06);
  box-shadow:0 1px 3px rgba(0,0,0,0.04);
}
.header button:hover{
  background:rgba(255,255,255,0.85);
  border-color:rgba(59,130,246,0.20);
  box-shadow:0 2px 10px rgba(59,130,246,0.10);
  color:var(--accent);
}

.dual-label{
  display:flex;align-items:center;gap:4px;
  font-size:10px;color:var(--muted);white-space:nowrap;cursor:pointer;
}
.dual-label input{width:13px;height:13px;margin:0;cursor:pointer;accent-color:var(--accent)}

/* --- Header Button Variants --- */
button.btn-primary{
  background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%);color:#fff;
  border:1px solid rgba(37,99,235,0.20);
  box-shadow:0 2px 8px rgba(59,130,246,0.25);
}
button.btn-primary:hover{
  background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);
  box-shadow:0 4px 14px rgba(59,130,246,0.35);
  transform:translateY(-1px);
}
button.btn-secondary{
  background:rgba(255,255,255,0.65);color:var(--text-2);
  border:1px solid rgba(0,0,0,0.07);
  box-shadow:0 1px 3px rgba(0,0,0,0.05);
}
button.btn-secondary:hover{
  background:rgba(255,255,255,0.85);
  border-color:rgba(59,130,246,0.20);
  box-shadow:0 2px 10px rgba(59,130,246,0.10);
  color:var(--accent);
}
button.btn-danger{
  background:rgba(239,68,68,0.08);color:var(--danger);
  border:1px solid rgba(239,68,68,0.15);
  box-shadow:0 1px 4px rgba(239,68,68,0.08);
}
button.btn-danger:hover{
  background:rgba(239,68,68,0.15);
  border-color:rgba(239,68,68,0.30);
  box-shadow:0 2px 10px rgba(239,68,68,0.18);
}

/* --- Workspace --- */
.workspace{
  padding:16px;
  display:flex;flex-direction:column;
  gap:16px;width:100%;min-width:0;
}

.summary{width:100%;display:flex;flex-direction:column;gap:16px;min-width:0}

/* --- Panel --- */
.panel{
  background:var(--card);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-radius:var(--r-xl);
  border:1px solid var(--glass-border);
  padding:20px;
  width:100%;min-width:0;
  box-shadow:var(--s-sm);
}

.panel-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:16px;
}
.panel-header h3{
  font-size:15px;font-weight:700;margin:0;color:var(--text);
}
.panel-count{
  font-size:11px;font-weight:600;color:var(--muted);
  padding:3px 10px;border-radius:6px;
  background:var(--glass);border:1px solid var(--glass-border);
}

.forced-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  background:rgba(59,130,246,0.08);
  border:1px solid rgba(59,130,246,0.20);
  font-size:11px;font-weight:700;color:var(--accent);
  margin-left:8px;
}
.forced-badge button{
  background:none;border:none;color:var(--danger);
  font-size:14px;font-weight:700;cursor:pointer;
  padding:0 2px;line-height:1;
  opacity:0.6;transition:opacity var(--t-fast);
}
.forced-badge button:hover{opacity:1}
.forced-badge button:active{transform:none}

/* --- AI Prediction Panel --- */
.prediction-panel{
  margin-bottom:12px;
}

.prediction-card{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(139,92,246,0.06),rgba(59,130,246,0.06));
  border:1.5px solid rgba(139,92,246,0.20);
  box-shadow:0 2px 8px rgba(139,92,246,0.08);
}

.prediction-card.prediction-learning{
  background:linear-gradient(135deg,rgba(100,116,139,0.06),rgba(148,163,184,0.04));
  border-color:rgba(100,116,139,0.15);
  box-shadow:none;
}

.prediction-icon{
  font-size:24px;flex-shrink:0;line-height:1;
}

.prediction-content{
  flex:1;min-width:0;
}

.prediction-title{
  font-size:13px;font-weight:800;color:var(--text);
  display:flex;align-items:center;gap:8px;
  margin-bottom:4px;
}

.prediction-badge{
  font-size:10px;font-weight:700;
}

.prediction-text{
  font-size:11px;color:var(--muted);line-height:1.5;
  margin-bottom:6px;
}

.prediction-result{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}

.prediction-trucks{
  font-size:13px;font-weight:700;color:var(--text);
}

.prediction-util{
  font-size:11px;font-weight:600;color:var(--accent);
  padding:2px 8px;border-radius:4px;
  background:rgba(59,130,246,0.08);
}

/* --- Intelligence Panel --- */
.intel-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:10px;margin-bottom:16px;
}

.intel-card{
  display:flex;flex-direction:column;align-items:center;
  justify-content:center;
  padding:16px 12px;
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  text-align:center;
  gap:6px;
}

.intel-label{
  font-size:10px;font-weight:600;color:var(--muted);
  text-transform:uppercase;letter-spacing:0.06em;
}

.intel-val{
  font-size:24px;font-weight:800;color:var(--text);
  letter-spacing:-0.03em;line-height:1;
}

/* Utilization ring */
.intel-ring{
  position:relative;width:56px;height:56px;
}

.intel-ring svg{width:100%;height:100%;transform:rotate(-90deg)}

.ring-bg{
  fill:none;stroke:var(--border);stroke-width:3;
}

.ring-fill{
  fill:none;stroke:var(--success);stroke-width:3;
  stroke-linecap:round;
  transition:stroke-dasharray 0.6s ease, stroke 0.3s ease;
}

.ring-val{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--text);
  letter-spacing:-0.02em;
}

/* Space lost bar */
.intel-bar-wrap{
  width:100%;height:4px;
  background:var(--border);border-radius:3px;
  overflow:hidden;margin-top:2px;
}

.intel-bar-fill{
  height:100%;border-radius:3px;
  transition:width 0.5s ease;
}

.intel-bar-red{background:var(--danger)}

/* Score grades */
.intel-grade{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);font-size:22px;
}

.grade-a{background:rgba(22,163,106,0.10);color:var(--success)}
.grade-b{background:rgba(59,130,246,0.10);color:var(--accent)}
.grade-c{background:rgba(245,158,11,0.10);color:var(--warning)}
.grade-d{background:rgba(239,68,68,0.10);color:var(--danger)}

#visual{display:flex;flex-direction:column;gap:14px}

/* --- Dashboard Hero KPIs --- */
.dashboard-hero{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:10px;
}

.hero-kpi{
  display:flex;flex-direction:column;justify-content:center;
  min-height:82px;padding:16px 18px;
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  box-shadow:var(--s-xs);
  border-top:3px solid transparent;
  transition:all var(--t-base);
}
.hero-kpi:hover{box-shadow:var(--s-md);background:var(--glass-hover)}

.hero-content{display:flex;flex-direction:column;min-width:0}
.hero-value{font-size:26px;font-weight:800;color:var(--text);letter-spacing:-0.04em;line-height:1}
.hero-unit{font-size:13px;font-weight:600;color:var(--muted);margin-left:2px}
.hero-label{margin-top:6px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--muted)}
.hero-sub{margin-top:3px;font-size:11px;color:var(--faint);line-height:1.3}

.trucks-kpi{border-top-color:#3b82f6}
.skids-kpi{border-top-color:#22c55e}
.weight-kpi{border-top-color:#a855f7}
.util-kpi{border-top-color:#f59e0b}

/* --- Truck Cards --- */
.truck-dashboard-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:10px;margin-top:10px;
}

.truck-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:14px 16px;
  box-shadow:var(--s-xs);
  transition:all var(--t-fast);
  overflow:hidden;
}
.truck-card:hover{box-shadow:var(--s-md);background:var(--glass-hover)}

.truck-card-title{font-size:14px;font-weight:700;color:var(--text)}
.truck-card-type{margin-top:2px;font-size:11px;font-weight:600;color:var(--muted)}
.truck-card-meta{margin-top:8px;font-size:11px;line-height:1.5;color:var(--muted)}

.truck-card.low{border-left:3px solid var(--danger)}
.truck-card.mid{border-left:3px solid var(--warning)}
.truck-card.high{border-left:3px solid var(--success)}

/* --- Badges --- */
.badge{
  display:inline-flex;align-items:center;
  margin-top:6px;padding:2px 8px;
  border-radius:var(--r-xs);
  font-size:10px;font-weight:700;
}
.badge.green{background:var(--success-light);color:#15803d}
.badge.yellow{background:var(--warning-light);color:#b45309}
.badge.red{background:var(--danger-light);color:#b91c1c}

/* --- Canvas Wrap --- */
.canvas-wrap{
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-radius:var(--r-lg);
  padding:14px;
  border:1px solid var(--glass-border);
  box-shadow:var(--s-xs);
  transition:all var(--t-base);
  overflow:hidden;
  position:relative;
}
.canvas-wrap:hover{box-shadow:var(--s-md);border-color:var(--glass-border-hover)}
.canvas-wrap-locked{
  border-color:rgba(245,158,11,0.55);
  box-shadow:var(--s-xs),0 0 0 3px rgba(245,158,11,0.15);
  background:rgba(255,248,235,0.50);
}

.canvas-wrap-overflow{
  border-color:rgba(239,68,68,0.45);
  box-shadow:var(--s-xs),0 0 0 3px rgba(239,68,68,0.12);
  background:rgba(254,242,242,0.50);
  border-left:4px solid #ef4444;
}

.truck-overflow-badge{
  flex-shrink:0;
  font-size:9px;font-weight:800;
  letter-spacing:0.10em;text-transform:uppercase;
  color:#b91c1c;
  background:rgba(239,68,68,0.12);
  border:1.5px solid rgba(185,28,28,0.30);
  padding:2px 10px;border-radius:5px;
}

/* Canvas viewport (touch-friendly skid drag) */
.canvas-viewport{
  position:relative;
  width:100%;
  overflow:hidden;
  border-radius:var(--r-sm);
  touch-action:none;
  -webkit-user-select:none;
  user-select:none;
  background:rgba(248,250,252,0.6);
  border:1px solid var(--border);
}
.truck-canvas{
  border-radius:var(--r-sm);
  display:block;
  cursor:default;
  width:100%;
  height:auto;
  -webkit-user-select:none;
  user-select:none;
  touch-action:none;
  -webkit-touch-callout:none;
}

canvas{border-radius:var(--r-sm);width:100%;display:block;cursor:default}

.truck-title{
  font-size:13px;font-weight:700;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:10px;gap:8px;
}
.truck-title-left{
  display:flex;align-items:center;gap:6px;
  flex:1;min-width:0;overflow:hidden;
}
.truck-title-name{font-weight:700;white-space:nowrap}
.truck-title-meta{font-weight:500;color:var(--muted);font-size:11px;white-space:nowrap}

.truck-lock-icon{font-size:13px;flex-shrink:0}

.truck-locked-badge{
  flex-shrink:0;
  font-size:9px;font-weight:800;
  letter-spacing:0.10em;text-transform:uppercase;
  color:#92400e;
  background:rgba(245,158,11,0.18);
  border:1.5px solid rgba(180,83,9,0.30);
  padding:2px 10px;border-radius:5px;
  animation:lockPulse 2s ease-in-out infinite;
}
@keyframes lockPulse{
  0%,100%{opacity:1}
  50%{opacity:0.7}
}

.truck-title-actions{
  display:flex;align-items:center;gap:6px;flex-shrink:0;
}

.truck-compare-btn{
  flex-shrink:0;
  padding:7px 14px;
  font-size:12px;font-weight:600;
  border-radius:8px;
  border:1.5px solid rgba(0,0,0,0.08);
  background:rgba(255,255,255,0.65);
  color:var(--text-2);
  cursor:pointer;
  transition:all var(--t-fast);
  line-height:1.4;
  height:auto;
  box-shadow:0 1px 3px rgba(0,0,0,0.04);
}
.truck-compare-btn:hover{
  border-color:rgba(59,130,246,0.30);
  background:rgba(59,130,246,0.08);
  color:var(--accent);
  box-shadow:0 2px 8px rgba(59,130,246,0.15);
  transform:translateY(-1px);
}
.truck-compare-btn:active{transform:scale(0.96)}

/* --- Trailer Dimensions Bar --- */
.truck-dims-bar{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:9px 14px;margin-bottom:10px;
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--border);
  font-size:11px;line-height:1.5;
  box-shadow:var(--s-xs);
}

.truck-dims-total{
  font-weight:700;color:var(--text);
  white-space:nowrap;
}

.truck-dims-sep{
  color:var(--faint);font-size:10px;
}

.truck-dims-zone{
  display:inline-flex;align-items:center;gap:4px;
  white-space:nowrap;
}

.truck-dims-zone-dot{
  width:8px;height:8px;border-radius:2px;flex-shrink:0;
}

.truck-dims-zone-name{
  font-weight:700;color:var(--text-2);font-size:10px;
  text-transform:uppercase;letter-spacing:0.04em;
}

.truck-dims-zone-val{
  font-weight:600;color:var(--muted);font-size:11px;
}

.truck-dims-zone-disabled{
  opacity:0.45;
}
.truck-dims-zone-disabled .truck-dims-zone-name::after{
  content:" (no load)";
  font-weight:500;font-style:italic;letter-spacing:0;text-transform:none;
}

.truck-lock-btn{
  flex-shrink:0;
  padding:7px 16px;
  font-size:12px;font-weight:700;
  border-radius:8px;
  border:1.5px solid rgba(0,0,0,0.10);
  background:rgba(255,255,255,0.70);
  color:var(--text-2);
  cursor:pointer;
  transition:all var(--t-fast);
  letter-spacing:0.02em;
  line-height:1.4;
  height:auto;
  box-shadow:0 1px 4px rgba(0,0,0,0.06);
}
.truck-lock-btn:hover{
  border-color:rgba(245,158,11,0.40);
  background:rgba(245,158,11,0.10);
  color:#b45309;
  box-shadow:0 2px 10px rgba(245,158,11,0.18);
  transform:translateY(-1px);
}
.truck-lock-btn:active{transform:scale(0.96)}
.truck-lock-btn.locked{
  background:linear-gradient(135deg,rgba(245,158,11,0.22) 0%,rgba(245,158,11,0.14) 100%);
  border-color:rgba(180,83,9,0.45);
  color:#92400e;
  box-shadow:0 2px 6px rgba(245,158,11,0.22),0 0 0 1px rgba(245,158,11,0.10) inset;
  font-weight:800;
}
.truck-lock-btn.locked:hover{
  background:linear-gradient(135deg,rgba(245,158,11,0.32) 0%,rgba(245,158,11,0.22) 100%);
  border-color:rgba(180,83,9,0.60);
  box-shadow:0 3px 12px rgba(245,158,11,0.28);
  transform:translateY(-1px);
}

.legend{
  display:flex;gap:10px;font-size:10px;color:var(--muted);
  margin-top:8px;flex-wrap:wrap;padding:8px 0 0;
  border-top:1px solid var(--border-light);
}
.legend span{display:flex;align-items:center;gap:4px;font-weight:500}
.legend-box{width:10px;height:10px;border-radius:3px}

/* --- Per-Truck Action Bar --- */
.truck-actions-bar{
  display:flex;align-items:center;gap:4px;
  padding:8px 0 0;
  border-top:1px solid var(--border-light);
  margin-top:8px;
  flex-wrap:wrap;
}

.truck-action-btn{
  display:inline-flex;align-items:center;gap:4px;
  padding:5px 10px;
  font-size:10px;font-weight:600;
  border-radius:var(--r-xs);
  border:1px solid rgba(0,0,0,0.06);
  background:rgba(255,255,255,0.55);
  color:var(--text-2);
  cursor:pointer;
  transition:all var(--t-fast);
  letter-spacing:0.01em;
  line-height:1.4;
  white-space:nowrap;
}
.truck-action-btn:hover{
  background:rgba(255,255,255,0.85);
  border-color:rgba(59,130,246,0.20);
  color:var(--accent);
  box-shadow:0 1px 6px rgba(59,130,246,0.10);
  transform:translateY(-1px);
}
.truck-action-btn:active{
  transform:translateY(0) scale(0.97);
  transition-duration:0.05s;
}

.truck-action-btn .ta-icon{
  font-size:11px;line-height:1;flex-shrink:0;
}

.truck-actions-spacer{
  flex:1;
}

/* --- Suggestions --- */
.suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

.suggestion{
  position:relative;display:flex;align-items:center;
  justify-content:space-between;gap:10px;
  flex:1 1 260px;min-height:40px;
  padding:10px 12px 10px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  font-size:12px;line-height:1.4;
  box-shadow:var(--s-xs);
  transition:all var(--t-fast);
}
.suggestion:hover{box-shadow:var(--s-sm);cursor:pointer;background:var(--glass-hover)}

.suggestion::before{
  content:"";width:3px;height:100%;
  position:absolute;left:0;top:0;
  border-radius:var(--r-sm) 0 0 var(--r-sm);
  background:var(--faint);
}
.suggestion.good::before{background:var(--success)}
.suggestion.warn::before{background:var(--warning)}
.suggestion.bad::before{background:var(--danger)}

.suggestion-action{
  flex-shrink:0;min-width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  border-radius:4px;background:var(--glass);
  font-size:10px;font-weight:700;color:var(--muted);
}

/* --- Utilization Box --- */
.util-box{
  margin-top:10px;padding:10px 12px;
  border-radius:var(--r-sm);
  background:var(--glass);border:none;
}
.util-top{display:flex;justify-content:space-between;font-size:11px;margin-bottom:6px}
.util-bar-wrap{height:5px;background:rgba(255,255,255,0.08);border-radius:3px;overflow:hidden}
.util-bar-fill{height:100%;border-radius:3px;transition:width 0.5s ease}
.util-length{
  margin-top:6px;
  display:flex;align-items:center;gap:6px;
  flex-wrap:wrap;
  font-size:11px;
}
.util-len-item{display:inline-flex;align-items:center;gap:3px}
.util-len-label{color:var(--muted);font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:0.04em}
.util-len-val{font-weight:800;color:var(--text);font-size:11px}
.util-len-free{color:var(--accent)}
.util-len-sep{color:var(--faint);font-size:10px}
.util-detail{margin-top:4px;font-size:10px;color:var(--muted)}

/* --- Weight Distribution --- */
.weight-dist{margin-top:8px;padding:10px 12px;border-radius:var(--r-sm);background:var(--glass)}
.wd-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.wd-label{font-size:11px;font-weight:600;color:var(--text-2)}
.wd-badge{font-size:9px;font-weight:700;padding:2px 6px;border-radius:4px}
.wd-good{background:var(--success-light);color:#15803d}
.wd-warn{background:var(--warning-light);color:#b45309}
.wd-bad{background:var(--danger-light);color:#b91c1c}
.wd-chart{position:relative;height:32px;margin-bottom:4px}
.wd-bars{display:flex;gap:2px;height:100%;align-items:flex-end}
.wd-bar{flex:1;height:100%;display:flex;align-items:flex-end;overflow:hidden}
.wd-bar-fill{width:100%;background:linear-gradient(to top,#3b82f6,#60a5fa);border-radius:2px 2px 0 0;min-height:1px;transition:height 0.4s ease}
.wd-cog{position:absolute;top:-3px;width:2px;height:calc(100% + 6px);background:var(--danger);transform:translateX(-50%);z-index:2}
.wd-cog::before{content:"";position:absolute;top:-3px;left:50%;transform:translateX(-50%);border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--danger)}
.wd-footer{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);font-weight:600;margin-top:3px}
.wd-cog-label{font-size:8px;color:var(--danger);font-weight:700;text-transform:uppercase;letter-spacing:0.08em}

/* --- Axle Weight Compliance --- */
.axle-weight-panel{
  margin-top:8px;
  padding:10px 12px;
  border-radius:var(--r-sm);
  background:var(--glass);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
}
.axle-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:10px;
}
.axle-title{
  font-size:11px;
  font-weight:600;
  color:var(--text-2);
}
.axle-badge{
  font-size:9px;
  font-weight:700;
  padding:2px 8px;
  border-radius:4px;
  letter-spacing:0.04em;
  text-transform:uppercase;
}
.axle-badge-legal{
  background:var(--success-light);
  color:#15803d;
}
.axle-badge-over{
  background:var(--danger-light);
  color:#b91c1c;
  animation:axlePulse 1.5s ease-in-out infinite;
}
@keyframes axlePulse{
  0%,100%{opacity:1}
  50%{opacity:0.7}
}
.axle-row{
  margin-bottom:8px;
}
.axle-row:last-child{
  margin-bottom:0;
}
.axle-row-header{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  margin-bottom:3px;
}
.axle-row-label{
  font-size:10px;
  font-weight:600;
  color:var(--text-2);
  text-transform:uppercase;
  letter-spacing:0.03em;
}
.axle-row-values{
  display:flex;
  align-items:baseline;
  gap:3px;
  font-size:10px;
}
.axle-row-val{
  font-weight:700;
  color:var(--text);
}
.axle-row-exceeded{
  color:var(--danger);
}
.axle-row-sep{
  color:var(--faint);
  font-size:9px;
}
.axle-row-limit{
  color:var(--muted);
  font-weight:500;
}
.axle-over{
  font-size:9px;
  font-weight:700;
  color:var(--danger);
  margin-left:4px;
  padding:1px 4px;
  background:var(--danger-light);
  border-radius:3px;
}
.axle-bar-track{
  position:relative;
  height:6px;
  background:rgba(0,0,0,0.06);
  border-radius:3px;
  overflow:hidden;
}
.axle-bar-fill{
  height:100%;
  border-radius:3px;
  transition:width 0.4s ease;
}
.axle-bar-overflow{
  position:absolute;
  top:0;left:0;
  height:100%;
  border-radius:3px;
  border:1.5px solid var(--danger);
  pointer-events:none;
  box-sizing:border-box;
}
.axle-green{
  background:linear-gradient(90deg,#22c55e,#4ade80);
}
.axle-yellow{
  background:linear-gradient(90deg,#f59e0b,#fbbf24);
}
.axle-red{
  background:linear-gradient(90deg,#ef4444,#f87171);
}
.axle-row-pct{
  font-size:9px;
  color:var(--faint);
  margin-top:2px;
  text-align:right;
}
.axle-divider{
  height:1px;
  background:var(--border);
  margin:8px 0;
}

/* --- Empty State --- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 24px;text-align:center;
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-radius:var(--r-xl);box-shadow:var(--s-sm);
}
.empty-icon{margin-bottom:18px;opacity:0.5}
.empty-title{font-size:18px;font-weight:800;color:var(--text);margin-bottom:6px}
.empty-desc{font-size:13px;color:var(--muted);max-width:360px;line-height:1.6;margin-bottom:22px}
.empty-actions{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap;justify-content:center}
.empty-tips{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;padding-top:20px;border-top:1px solid var(--glass-border)}
.empty-tip{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);font-weight:500}
.tip-key{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:20px;height:18px;padding:0 5px;
  border-radius:3px;background:var(--glass);
  border:1px solid var(--glass-border);
  font-size:9px;font-weight:700;color:var(--text-2);
}

/* --- Lock Screen --- */
#lockScreen{
  position:fixed;inset:0;
  z-index:99999;display:none;align-items:center;justify-content:center;padding:0;
  background:#0a0f1e;
}

.lock-split{
  display:flex;width:100%;height:100%;
}

/* Left panel — branding */
.lock-left{
  flex:0 0 44%;
  background:linear-gradient(160deg,#0a0f1e 0%,#111827 40%,#1e293b 100%);
  color:#fff;
  display:flex;flex-direction:column;
  justify-content:center;
  padding:56px 48px;
  position:relative;
  overflow:hidden;
}

.lock-left-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(59,130,246,0.12), transparent),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(139,92,246,0.08), transparent),
    radial-gradient(ellipse 40% 30% at 60% 70%, rgba(52,211,153,0.06), transparent);
}

.lock-left::before{
  content:"";position:absolute;
  top:-30%;right:-15%;
  width:70%;height:70%;
  border-radius:50%;
  border:1px solid rgba(59,130,246,0.08);
  pointer-events:none;
}

.lock-left::after{
  content:"";position:absolute;
  bottom:-20%;left:-8%;
  width:50%;height:50%;
  border-radius:50%;
  border:1px solid rgba(139,92,246,0.06);
  pointer-events:none;
}

.lock-brand{margin-bottom:48px;position:relative;z-index:1}

.lock-brand-icon{
  width:60px;height:60px;
  background:rgba(59,130,246,0.10);
  border:1px solid rgba(59,130,246,0.20);
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:24px;
  box-shadow:0 0 30px rgba(59,130,246,0.10);
}

.lock-brand-name{
  font-size:30px;font-weight:800;
  letter-spacing:-0.04em;
  margin-bottom:10px;
  background:linear-gradient(135deg,#fff 0%,#94a3b8 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

.lock-brand-tagline{
  font-size:14px;color:rgba(255,255,255,0.45);
  font-weight:400;line-height:1.6;
  max-width:300px;
}

.lock-features{
  display:flex;flex-direction:column;gap:16px;
  position:relative;z-index:1;
}

.lock-feature{
  display:flex;align-items:center;gap:12px;
  font-size:13px;font-weight:500;
  color:rgba(255,255,255,0.55);
  transition:color 0.2s ease;
}
.lock-feature:hover{color:rgba(255,255,255,0.85)}

.lock-feature-icon{
  font-size:6px;color:rgba(59,130,246,0.6);
  flex-shrink:0;
}

.lock-version{
  position:absolute;bottom:24px;left:48px;
  font-size:10px;font-weight:600;color:rgba(255,255,255,0.2);
  letter-spacing:0.08em;text-transform:uppercase;
}

/* Right panel — form */
.lock-right{
  flex:1;
  display:flex;align-items:center;justify-content:center;
  padding:48px;
  background:linear-gradient(180deg, rgba(248,250,252,0.97) 0%, rgba(241,245,249,0.95) 100%);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  position:relative;
}

.lock-right::before{
  content:"";position:absolute;
  top:20%;right:10%;width:200px;height:200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,0.06),transparent 70%);
  pointer-events:none;
}

.lock-card{
  width:100%;max-width:380px;
  display:flex;flex-direction:column;
  align-items:center;
  gap:14px;
}

.lock-avatar{
  margin-bottom:4px;
  opacity:0.8;
}

.lock-title{
  font-size:26px;font-weight:800;
  color:#0f172a;letter-spacing:-0.03em;
  text-align:center;
}

.lock-subtitle{
  font-size:13px;color:#64748b;
  margin-top:-6px;line-height:1.5;
  text-align:center;
}

.lock-input-wrap{
  position:relative;
  width:100%;
}

#usernameInput,
#passcodeInput,
#passcodeConfirm{
  width:100%;height:52px;
  font-size:15px;text-align:left;
  padding:0 18px;
  border-radius:12px;
  background:rgba(255,255,255,0.80);
  border:2px solid rgba(0,0,0,0.06);
  color:#0f172a;
  caret-color:#3b82f6;
  transition:all 0.2s ease;
  box-shadow:0 2px 12px rgba(0,0,0,0.04);
  font-family:inherit;
  letter-spacing:0;
}
#passcodeInput,
#passcodeConfirm{
  letter-spacing:3px;
}
#usernameInput::placeholder,
#passcodeInput::placeholder,
#passcodeConfirm::placeholder{
  color:#94a3b8;letter-spacing:0;font-size:14px;
}
#usernameInput:focus,
#passcodeInput:focus,
#passcodeConfirm:focus{
  border-color:#3b82f6;
  box-shadow:0 2px 12px rgba(0,0,0,0.04), 0 0 0 4px rgba(59,130,246,0.12);
  outline:none;
  background:rgba(255,255,255,0.95);
}

.lock-btn{
  height:52px;border-radius:14px;
  font-size:14px;font-weight:700;
  background:linear-gradient(135deg,#0f172a,#1e293b);
  color:#fff;
  width:100%;
  box-shadow:0 4px 20px rgba(15,23,42,0.20);
  display:flex;align-items:center;justify-content:center;gap:8px;
  transition:all 0.2s ease;
  border:none;
}
.lock-btn:hover{
  box-shadow:0 6px 28px rgba(15,23,42,0.30);
  transform:translateY(-1px);
}
.lock-btn:active{transform:translateY(0)}

.lock-btn-text{font-size:14px}
.lock-btn-arrow{font-size:16px;opacity:0.7;transition:transform 0.2s ease}
.lock-btn:hover .lock-btn-arrow{transform:translateX(3px);opacity:1}

.lock-error{
  font-size:12px;color:#ef4444;
  min-height:16px;font-weight:600;
  text-align:center;
}

.lock-footer{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  margin-top:-4px;
}

.lock-hint{
  font-size:11px;color:#94a3b8;
  text-align:center;
}

.lock-secured{
  font-size:9px;font-weight:700;
  color:#cbd5e1;
  text-transform:uppercase;
  letter-spacing:0.12em;
  display:flex;align-items:center;gap:4px;
}
.lock-secured::before{
  content:"\1F512";font-size:8px;
}

.lock-privacy{
  font-size:9px;color:#94a3b8;
  text-align:center;line-height:1.4;
  max-width:280px;
}

.lock-sso-btn{
  width:100%;height:48px;
  display:flex;align-items:center;justify-content:center;gap:10px;
  border-radius:12px;
  background:#fff;
  border:2px solid rgba(0,0,0,0.08);
  font-size:14px;font-weight:600;
  color:#1e293b;
  cursor:pointer;
  transition:all 0.2s ease;
  box-shadow:0 2px 8px rgba(0,0,0,0.06);
  font-family:inherit;
}
.lock-sso-btn:hover{
  border-color:rgba(59,130,246,0.3);
  box-shadow:0 4px 16px rgba(59,130,246,0.12);
  transform:translateY(-1px);
}
.lock-sso-btn:active{transform:translateY(0) scale(0.98)}

.lock-divider{
  display:flex;align-items:center;gap:12px;
  color:#94a3b8;font-size:11px;font-weight:600;
}
.lock-divider::before,
.lock-divider::after{
  content:"";flex:1;height:1px;
  background:rgba(0,0,0,0.08);
}

/* Shake animation on wrong passcode */
@keyframes shake{
  0%,100%{transform:translateX(0)}
  10%{transform:translateX(-10px)}
  20%{transform:translateX(10px)}
  30%{transform:translateX(-8px)}
  40%{transform:translateX(8px)}
  50%{transform:translateX(-5px)}
  60%{transform:translateX(5px)}
  70%{transform:translateX(-2px)}
  80%{transform:translateX(2px)}
}
.lock-card.shake{animation:shake 0.5s ease}

/* --- Lock Timer & Security Settings --- */
.lock-timer{
  font-size:12px;color:#f59e0b;font-weight:700;
  text-align:center;margin-top:-8px;
  animation:breathe 2s ease-in-out infinite;
}

.security-user-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px;border-radius:6px;
  background:rgba(248,250,252,0.8);border:1px solid var(--border);
  margin-bottom:6px;font-size:12px;
}
.security-user-row .su-name{font-weight:700;color:var(--text)}
.security-user-row .su-actions{display:flex;gap:4px}
.security-user-row .su-btn{
  padding:3px 8px;font-size:10px;font-weight:700;
  border-radius:4px;border:1px solid transparent;cursor:pointer;
}
.su-btn-del{background:rgba(239,68,68,0.08);color:var(--danger);border-color:rgba(239,68,68,0.15)}
.su-btn-del:hover{background:rgba(239,68,68,0.15)}

.audit-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:4px 8px;font-size:10px;color:var(--text-2);
  border-bottom:1px solid var(--border);
}
.audit-row:last-child{border-bottom:none}
.audit-ok{color:var(--success)}
.audit-fail{color:var(--danger)}

/* --- Loader --- */
#globalLoader{
  position:fixed;inset:0;background:rgba(255,255,255,0.7);
  backdrop-filter:blur(8px);z-index:9999;
  display:none;align-items:center;justify-content:center;
}
.loader-spinner{
  width:36px;height:36px;border-radius:50%;
  border:3px solid var(--border);border-top-color:var(--accent);
  animation:spin .6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* --- Tooltip --- */
.hover-tooltip{
  position:fixed;pointer-events:none;
  background:rgba(15,23,42,0.90);color:#f8fafc;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:8px 12px;border-radius:var(--r-sm);
  font-size:11px;font-weight:500;z-index:999;
  display:none;box-shadow:var(--s-lg);
  white-space:pre-line;line-height:1.5;max-width:260px;
  border:1px solid rgba(255,255,255,0.10);
}

/* --- PDF Modal --- */
.pdf-modal{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.5);backdrop-filter:blur(8px);
  z-index:999999;align-items:center;justify-content:center;
}
.pdf-modal-inner{
  width:min(1100px,94vw);height:min(90vh,94vh);
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-xl);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 24px 64px rgba(0,0,0,0.12);
}
.pdf-modal-header{
  padding:12px 18px;display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--border);
}
.pdf-modal-header b{font-size:14px}
.pdf-modal-actions{display:flex;gap:6px}
.pdf-modal iframe{flex:1;border:none;width:100%}

/* --- Scrollbar (sidebar) --- */
.sidebar ::-webkit-scrollbar{width:4px}
.sidebar ::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.10);border-radius:4px}
.sidebar ::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,0.18)}

/* --- Scrollbar (main) --- */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.10);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,0.18)}

/* ============================
   TRAILER COMPARISON MODAL
   ============================ */
.compare-modal{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.4);backdrop-filter:blur(6px);
  z-index:99998;align-items:center;justify-content:center;
  padding:20px;
}

.compare-card{
  width:min(800px,95vw);max-height:90vh;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-xl);
  box-shadow:var(--s-lg);overflow-y:auto;
}

.compare-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(255,255,255,0.90);z-index:1;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.compare-header b{font-size:15px}

.compare-desc{
  padding:12px 20px 0;font-size:12px;color:var(--muted);
}

.compare-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:10px;padding:14px 20px 20px;
}

.cmp-card{
  padding:16px;border-radius:var(--r-lg);
  border:2px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  display:flex;flex-direction:column;gap:8px;
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
  position:relative;
}
.cmp-card:hover{border-color:var(--glass-border-hover);box-shadow:var(--s-sm)}
.cmp-card.cmp-best{border-color:var(--success)}
.cmp-card.cmp-nofit{opacity:0.5}

.cmp-best-tag{
  position:absolute;top:-1px;right:12px;
  background:var(--success);color:#fff;
  font-size:9px;font-weight:700;
  padding:3px 8px;border-radius:0 0 6px 6px;
  letter-spacing:0.06em;
}

.cmp-type{font-size:14px;font-weight:700;color:var(--text)}

.cmp-stats{display:flex;flex-direction:column;gap:4px}

.cmp-row{
  display:flex;justify-content:space-between;align-items:center;
  font-size:11px;
}
.cmp-row-label{color:var(--muted);font-weight:500}
.cmp-row-val{font-weight:700;color:var(--text)}

.cmp-cost{
  margin-top:4px;padding-top:8px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;
}
.cmp-cost-label{color:var(--muted);font-weight:600}
.cmp-cost-val{font-weight:800;font-size:14px;color:var(--text)}

.cmp-free-len{color:var(--accent);font-weight:800}

.cmp-util-bar{
  height:4px;background:var(--border);border-radius:3px;overflow:hidden;
}
.cmp-util-fill{
  height:100%;border-radius:3px;
  transition:width 0.4s ease;
}

.cmp-nofit-text{
  font-size:11px;color:var(--danger);font-weight:600;
  text-align:center;padding:20px 0;
}

.cmp-mix{border-width:2px;border-style:solid;border-color:var(--accent)}

.cmp-breakdown{
  font-size:10px;font-weight:600;color:var(--muted);
  margin-top:-4px;line-height:1.4;
}

.cmp-use-btn{
  width:100%;margin-top:6px;padding:8px 12px;
  background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%);color:#fff;
  border:none;border-radius:var(--r-sm);
  font-size:12px;font-weight:700;
  cursor:pointer;
  box-shadow:0 2px 8px rgba(59,130,246,0.25);
  transition:all var(--t-fast);
  letter-spacing:0.02em;
}
.cmp-use-btn:hover{
  background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);
  box-shadow:0 4px 14px rgba(59,130,246,0.35);
  transform:translateY(-1px);
}
.cmp-use-btn:active{transform:translateY(0) scale(0.98)}

.cmp-best .cmp-use-btn{
  background:linear-gradient(135deg,#16a34a 0%,#15803d 100%);
  box-shadow:0 2px 8px rgba(22,163,74,0.25);
}
.cmp-best .cmp-use-btn:hover{
  background:linear-gradient(135deg,#15803d 0%,#166534 100%);
  box-shadow:0 4px 14px rgba(22,163,74,0.35);
}

/* ============================
   SHORTCUT CHEAT SHEET MODAL
   ============================ */
.shortcut-modal{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.4);backdrop-filter:blur(6px);
  z-index:99998;align-items:center;justify-content:center;
}

.shortcut-card{
  width:min(560px,92vw);
  max-height:90vh;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-xl);
  box-shadow:var(--s-lg);
  overflow-x:hidden;overflow-y:auto;
}

.shortcut-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(255,255,255,0.92);z-index:1;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.shortcut-header b{font-size:15px}

.shortcut-grid{
  display:flex;flex-direction:column;
  padding:8px 0;
}

.shortcut-section{
  padding:12px 20px;
}
.shortcut-section+.shortcut-section{
  border-top:1px solid var(--border);
}

.shortcut-section-title{
  font-size:10px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.08em;
  color:var(--muted);margin-bottom:10px;
}

.shortcut-item{
  display:flex;align-items:center;gap:10px;
  padding:5px 0;font-size:12px;color:var(--text-2);
  overflow:hidden;
}

.shortcut-item .sk{
  min-width:100px;text-align:center;justify-content:center;
}

.shortcut-item>span:last-child{
  flex:1;min-width:0;text-align:right;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.sk{
  display:inline-flex;align-items:center;gap:3px;
  font-size:10px;font-weight:700;
  padding:3px 7px;border-radius:4px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  color:var(--text);font-family:inherit;
  white-space:nowrap;flex-shrink:0;
}

/* ============================
   DRAG REORDER
   ============================ */
.drag-handle{
  cursor:grab;font-size:14px;color:var(--muted);
  user-select:none;line-height:1;
  padding:0 2px;transition:color var(--t-fast);
}
.drag-handle:hover{color:var(--accent)}
.drag-handle:active{cursor:grabbing}

.skid-row.dragging{opacity:0.4;border-style:dashed}
.skid-row.drag-over{
  border-color:var(--accent);
  box-shadow:0 -2px 0 0 var(--accent);
}

/* ============================
   BULK SELECT / DELETE
   ============================ */
.bulk-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:4px 2px 6px;margin-bottom:2px;
}

.bulk-select-all{
  display:flex;align-items:center;gap:4px;
  font-size:10px;font-weight:600;color:var(--muted);
  cursor:pointer;
}
.bulk-select-all input{width:13px;height:13px;margin:0;cursor:pointer;accent-color:var(--accent)}

.bulk-bar{
  display:flex;align-items:center;gap:6px;
  animation:fadeIn 0.15s ease;
}

.bulk-count{
  font-size:10px;font-weight:600;color:var(--accent);
}

.skid-select{
  width:13px;height:13px;margin:0;cursor:pointer;
  accent-color:var(--accent);flex-shrink:0;
}

@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ============================
   ERROR MODAL
   ============================ */
.error-modal{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.45);backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  z-index:99998;align-items:center;justify-content:center;
  padding:20px;
}

.error-modal-card{
  width:min(520px,94vw);max-height:80vh;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-xl);
  box-shadow:0 24px 64px rgba(0,0,0,0.15),0 0 0 1px rgba(239,68,68,0.10);
  display:flex;flex-direction:column;
  overflow:hidden;
  animation:errorSlideIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes errorSlideIn{
  from{opacity:0;transform:scale(0.92) translateY(12px)}
  to{opacity:1;transform:scale(1) translateY(0)}
}

.error-modal-header{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px 16px;
  border-bottom:1px solid var(--border);
  background:rgba(239,68,68,0.04);
}

.error-modal-icon{
  flex-shrink:0;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(239,68,68,0.10);
  font-size:22px;
  color:var(--danger);
}

.error-modal-title{
  font-size:16px;font-weight:800;color:var(--text);
  letter-spacing:-0.02em;
}

.error-modal-subtitle{
  font-size:12px;color:var(--muted);margin-top:2px;
}

.error-modal-close{
  margin-left:auto;
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;border:none;
  background:transparent;color:var(--muted);
  font-size:20px;font-weight:700;cursor:pointer;
  transition:all var(--t-fast);padding:0;
  line-height:1;box-shadow:none;
}
.error-modal-close:hover{
  background:rgba(239,68,68,0.10);color:var(--danger);
}
.error-modal-close:active{transform:scale(0.9)}

.error-modal-body{
  padding:16px 24px;
  overflow-y:auto;
  flex:1;min-height:0;
}

.error-item{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(239,68,68,0.05);
  border:1px solid rgba(239,68,68,0.10);
  margin-bottom:8px;
  font-size:13px;line-height:1.5;
  color:var(--text);
}
.error-item:last-child{margin-bottom:0}

.error-item-icon{
  flex-shrink:0;
  font-size:16px;
  margin-top:1px;
}

.error-item-text{
  flex:1;min-width:0;
}

.error-item-skid{
  font-weight:700;color:var(--danger);
}

.error-item-detail{
  font-size:12px;color:var(--muted);margin-top:2px;
}

.error-modal-footer{
  padding:14px 24px 18px;
  display:flex;justify-content:flex-end;
  border-top:1px solid var(--border);
}

/* --- Persistent Error Banner (stays on page after modal dismissed) --- */
.error-banner{
  background:rgba(239,68,68,0.06);
  border:1.5px solid rgba(239,68,68,0.20);
  border-radius:var(--r-lg);
  padding:14px 18px;
  margin-bottom:12px;
  cursor:pointer;
  transition:all var(--t-fast);
}
.error-banner:hover{
  background:rgba(239,68,68,0.10);
  border-color:rgba(239,68,68,0.35);
  box-shadow:0 2px 12px rgba(239,68,68,0.10);
}

.error-banner-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:8px;
}

.error-banner-title{
  font-size:13px;font-weight:800;color:var(--danger);
  letter-spacing:-0.01em;
}

.error-banner-action{
  font-size:11px;font-weight:600;color:var(--danger);
  opacity:0.7;transition:opacity var(--t-fast);
}
.error-banner:hover .error-banner-action{opacity:1}

.error-banner-list{
  display:flex;flex-direction:column;gap:4px;
}

.error-banner-item{
  font-size:12px;color:var(--text-2);
  line-height:1.5;
  padding:6px 10px;
  border-radius:var(--r-xs);
  background:rgba(239,68,68,0.05);
  border:1px solid rgba(239,68,68,0.08);
}

/* ============================
   TOAST NOTIFICATION
   ============================ */
.toast-notif{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:rgba(15,23,42,0.90);color:#fff;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.10);
  padding:10px 24px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;
  box-shadow:var(--s-lg);
  z-index:100000;
  opacity:0;pointer-events:none;
  transition:opacity 0.2s ease,transform 0.2s ease;
}
.toast-notif.show{
  opacity:1;pointer-events:auto;
  transform:translateX(-50%) translateY(0);
}

/* ============================
   CSV TEMPLATE BUTTON
   ============================ */
.template-btn{
  width:100%;padding:7px;
  background:rgba(255,255,255,0.50);color:var(--muted);
  border:1px solid rgba(0,0,0,0.06);
  font-weight:600;font-size:10px;
  border-radius:var(--r-xs);
  text-transform:uppercase;letter-spacing:0.06em;
  box-shadow:0 1px 2px rgba(0,0,0,0.03);
}
.template-btn:hover{
  color:var(--accent);
  border-color:rgba(59,130,246,0.20);
  background:rgba(59,130,246,0.06);
  box-shadow:0 1px 6px rgba(59,130,246,0.10);
}

/* ============================
   SIDEBAR STATS BADGE
   ============================ */
.sidebar-stats{
  display:flex;gap:6px;padding:10px 12px;
  border-bottom:1px solid var(--border);
}

.stat-chip{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:10px 6px 8px;border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--glass-border);
  box-shadow:var(--s-xs);
  gap:2px;
}
.stat-chip .stat-val{
  font-size:18px;font-weight:800;color:var(--accent);
  letter-spacing:-0.03em;line-height:1;
}
.stat-chip .stat-label{
  font-weight:600;font-size:9px;color:var(--muted);
  text-transform:uppercase;letter-spacing:0.06em;
}

/* ============================
   COLLAPSE / EXPAND SKID ROWS
   ============================ */
.collapse-btn{
  padding:2px 6px;font-size:8px;
  background:var(--border-light);color:var(--muted);
  border:1px solid var(--border);border-radius:3px;
  cursor:pointer;line-height:1;
}
.collapse-btn:hover{color:var(--accent);border-color:var(--accent)}

.skid-collapsed-summary{
  display:none;
  font-size:10px;font-weight:500;color:var(--text-2);
  padding:2px 0;cursor:pointer;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.skid-row-body{
  transition:max-height 0.2s ease,opacity 0.15s ease;
  max-height:500px;opacity:1;overflow:hidden;
}

.skid-row.collapsed .skid-row-body{
  max-height:0;opacity:0;overflow:hidden;
  margin:0;padding:0;
}

.skid-row.collapsed .skid-collapsed-summary{
  display:block;
}

/* ============================
   ONBOARDING TOUR
   ============================ */
.tour-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.5);
  z-index:99990;display:none;
}

.tour-tooltip{
  position:fixed;z-index:99991;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--s-lg);
  max-width:320px;
  display:none;
  animation:tourFadeIn 0.25s ease;
}

.tour-tooltip h4{
  font-size:14px;font-weight:700;color:var(--text);
  margin:0 0 6px;
}

.tour-tooltip p{
  font-size:12px;color:var(--text-2);
  line-height:1.5;margin:0 0 14px;
}

.tour-step{
  font-size:10px;font-weight:600;color:var(--muted);
  margin-bottom:10px;text-transform:uppercase;letter-spacing:0.06em;
}

.tour-actions{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
}

.tour-dots{
  display:flex;gap:4px;
}

.tour-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--border);
}

.tour-dot.active{background:var(--accent)}

.tour-btn{
  padding:6px 16px;font-size:11px;font-weight:700;
  border-radius:var(--r-xs);cursor:pointer;
}

.tour-btn-skip{background:transparent;color:var(--muted);border:none}
.tour-btn-skip:hover{color:var(--text)}

.tour-btn-next{background:var(--accent);color:#fff;border:none;box-shadow:0 0 10px rgba(59,130,246,0.2)}
.tour-btn-next:hover{background:var(--accent-hover)}

.tour-highlight{
  position:relative;z-index:99991;
  box-shadow:0 0 0 4px var(--accent),0 0 0 9999px rgba(0,0,0,0.45);
  border-radius:var(--r-sm);
}

@keyframes tourFadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ============================
   MOBILE SIDEBAR TOGGLE
   ============================ */
.mobile-menu-btn{
  display:none;
  position:fixed;bottom:16px;right:16px;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--accent);color:#fff;
  border:none;
  box-shadow:0 4px 16px rgba(59,130,246,0.35);
  font-size:20px;font-weight:700;
  z-index:200;
  cursor:pointer;
  align-items:center;justify-content:center;
}

.sidebar-overlay{
  display:none;
  position:fixed;inset:0;
  background:rgba(0,0,0,0.3);
  z-index:299;
  cursor:pointer;
}
.sidebar-overlay.active{display:block}

/* ============================
   PLANS MODAL
   ============================ */
/* Plans Modal */
.plans-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 99998;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.plans-card {
  width: min(560px, 94vw);
  max-height: 85vh;
  background: var(--card-solid);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  box-shadow: var(--s-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.plans-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: inherit;
  z-index: 1;
}
.plans-header b { font-size: 15px; color: var(--text); }

.plans-actions {
  display: flex;
  gap: 6px;
}

.plans-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.plans-list {
  display: flex;
  flex-direction: column;
}

.plan-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
  cursor: pointer;
}
.plan-item:hover {
  background: var(--glass-active);
}
.plan-item:last-child {
  border-bottom: none;
}

.plan-item-main {
  flex: 1;
  min-width: 0;
}

.plan-item-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plan-item-meta {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}

.plan-item-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  margin-left: 12px;
}

.plan-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-xs);
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  transition: all var(--t-fast);
}
.plan-btn:hover {
  background: var(--glass-hover);
  color: var(--accent);
  border-color: rgba(59,130,246,0.20);
}
.plan-btn-danger:hover {
  color: var(--danger);
  border-color: rgba(239,68,68,0.20);
  background: var(--danger-light);
}

/* ============================
   WHAT'S NEW MODAL
   ============================ */
.whatsnew-modal{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.45);backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  z-index:99998;align-items:center;justify-content:center;
  padding:20px;
}

.whatsnew-card{
  width:min(480px,94vw);max-height:80vh;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-xl);
  box-shadow:0 24px 64px rgba(0,0,0,0.15);
  display:flex;flex-direction:column;
  overflow:hidden;
}

.whatsnew-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px 16px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(135deg,rgba(59,130,246,0.04),rgba(139,92,246,0.04));
}

.whatsnew-header-left{
  display:flex;align-items:center;gap:12px;
}

.whatsnew-badge{
  display:inline-flex;align-items:center;justify-content:center;
  padding:4px 10px;border-radius:6px;
  background:linear-gradient(135deg,#3b82f6,#8b5cf6);
  color:#fff;font-size:9px;font-weight:800;
  letter-spacing:0.12em;text-transform:uppercase;
  box-shadow:0 2px 8px rgba(59,130,246,0.30);
}

.whatsnew-title{
  font-size:16px;font-weight:800;color:var(--text);
  letter-spacing:-0.02em;
}

.whatsnew-version{
  font-size:11px;color:var(--muted);font-weight:600;
  margin-top:1px;
}

.whatsnew-body{
  padding:16px 24px;
  overflow-y:auto;flex:1;min-height:0;
}

.whatsnew-section{
  margin-bottom:14px;
}

.whatsnew-section:last-child{margin-bottom:0}

.whatsnew-section-title{
  font-size:10px;font-weight:700;text-transform:uppercase;
  letter-spacing:0.08em;color:var(--muted);
  margin-bottom:8px;padding-bottom:4px;
  border-bottom:1px solid var(--border);
}

.whatsnew-item{
  display:flex;align-items:flex-start;gap:8px;
  padding:5px 0;font-size:12px;line-height:1.5;
  color:var(--text-2);
}

.whatsnew-dot{
  flex-shrink:0;width:6px;height:6px;
  border-radius:50%;margin-top:6px;
}

.whatsnew-dot-new{background:#3b82f6}
.whatsnew-dot-fix{background:#22c55e}
.whatsnew-dot-improve{background:#a855f7}
.whatsnew-dot-security{background:#f59e0b}

.whatsnew-footer{
  padding:14px 24px 18px;
  display:flex;justify-content:flex-end;
  border-top:1px solid var(--border);
}

/* ============================
   USER GUIDE MODAL
   ============================ */
.guide-modal{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.45);backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  z-index:99998;align-items:center;justify-content:center;
  padding:20px;
}

.guide-card{
  width:min(680px,96vw);max-height:90vh;
  background:rgba(255,255,255,0.97);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--glass-border);
  border-radius:var(--r-xl);
  box-shadow:0 24px 64px rgba(0,0,0,0.15);
  display:flex;flex-direction:column;
  overflow:hidden;
}

.guide-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 24px;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(16px);
}

.guide-body{
  padding:16px 24px 24px;overflow-y:auto;flex:1;min-height:0;
}

.guide-section{
  margin-bottom:20px;
}
.guide-section:last-child{margin-bottom:0}

.guide-section-title{
  font-size:12px;font-weight:800;text-transform:uppercase;
  letter-spacing:0.08em;color:var(--accent);
  margin-bottom:10px;padding-bottom:6px;
  border-bottom:2px solid var(--accent-light);
}

.guide-steps{
  display:flex;flex-direction:column;gap:8px;
}

.guide-step{
  display:flex;align-items:flex-start;gap:10px;
  font-size:12px;line-height:1.6;color:var(--text-2);
}

.guide-step-num{
  flex-shrink:0;width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--accent-light);color:var(--accent);
  font-size:11px;font-weight:800;
}

.guide-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:6px;
}

.guide-item{
  font-size:11px;line-height:1.5;color:var(--text-2);
  padding:6px 8px;border-radius:var(--r-xs);
  background:rgba(248,250,252,0.8);
  border:1px solid var(--border);
}

.guide-table{
  width:100%;border-collapse:collapse;font-size:11px;
}
.guide-table th{
  text-align:left;font-weight:700;font-size:10px;
  text-transform:uppercase;letter-spacing:0.06em;
  color:var(--muted);padding:6px 8px;
  border-bottom:2px solid var(--border);
}
.guide-table td{
  padding:5px 8px;border-bottom:1px solid var(--border);
  color:var(--text-2);
}
.guide-table tr:last-child td{border-bottom:none}

@media(max-width:600px){
  .guide-grid{grid-template-columns:1fr}
  .guide-card{max-height:95vh}
  .guide-body{padding:12px 16px 20px}
}

/* ============================
   INSTALL BANNER (PWA)
   ============================ */
.install-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(59,130,246,0.04));
  border: 1.5px solid rgba(59,130,246,0.20);
  margin-bottom: 12px;
  gap: 12px;
}
.install-banner-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.install-banner-text strong {
  font-size: 13px;
  color: var(--text);
}
.install-banner-text span {
  font-size: 11px;
  color: var(--muted);
}
.install-banner-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* ============================
   ACCESSIBILITY
   ============================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Improved focus indicators for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}

/* Skip to main content link (accessibility) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 700;
  z-index: 999999;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

/* ============================
   MOBILE SWIPE HINT
   ============================ */
.swipe-hint {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--danger);
  background: linear-gradient(90deg, transparent, rgba(239,68,68,0.08));
  opacity: 0;
  transition: opacity var(--t-fast);
  pointer-events: none;
}
.skid-row.swiping .swipe-hint { opacity: 1; }

/* ============================
   ANIMATIONS & TRANSITIONS
   ============================ */

/* --- Keyframe library --- */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes popIn {
  0%   { opacity: 0; transform: scale(0.85); }
  60%  { opacity: 1; transform: scale(1.04); }
  100% { transform: scale(1); }
}

@keyframes gentlePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0); }
  50%      { box-shadow: 0 0 0 6px rgba(59,130,246,0.08); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes rippleOut {
  from { transform: scale(0); opacity: 0.5; }
  to   { transform: scale(4); opacity: 0; }
}

@keyframes breathe {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.7; }
}

@keyframes bounceSubtle {
  0%   { transform: translateY(0); }
  40%  { transform: translateY(-4px); }
  60%  { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes expandWidth {
  from { width: 0%; }
  to   { width: var(--target-width, 100%); }
}

@keyframes modalOverlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes modalCardIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes modalCardOut {
  from { opacity: 1; transform: scale(1) translateY(0); }
  to   { opacity: 0; transform: scale(0.95) translateY(12px); }
}

@keyframes tooltipPop {
  from { opacity: 0; transform: translateY(6px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes skidRowIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes badgePop {
  0%   { transform: scale(0.5); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes truckCanvasReveal {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes ringPulse {
  0%   { filter: drop-shadow(0 0 0 rgba(22,163,74,0)); }
  50%  { filter: drop-shadow(0 0 8px rgba(22,163,74,0.2)); }
  100% { filter: drop-shadow(0 0 0 rgba(22,163,74,0)); }
}

@keyframes installBannerIn {
  from { opacity: 0; transform: translateY(-10px); max-height: 0; }
  to   { opacity: 1; transform: translateY(0); max-height: 100px; }
}

@keyframes heroNumberPop {
  from { opacity: 0; transform: scale(0.8) translateY(6px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes checkPop {
  0%   { transform: scale(0); }
  50%  { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* --- Skid Row Entrance Animations (only on fresh render) --- */
.fresh-render .skid-row {
  animation: skidRowIn 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .skid-row:nth-child(2)  { animation-delay: 0.02s; }
.fresh-render .skid-row:nth-child(3)  { animation-delay: 0.04s; }
.fresh-render .skid-row:nth-child(4)  { animation-delay: 0.06s; }
.fresh-render .skid-row:nth-child(5)  { animation-delay: 0.08s; }
.fresh-render .skid-row:nth-child(6)  { animation-delay: 0.10s; }
.fresh-render .skid-row:nth-child(7)  { animation-delay: 0.12s; }
.fresh-render .skid-row:nth-child(8)  { animation-delay: 0.14s; }
.fresh-render .skid-row:nth-child(9)  { animation-delay: 0.16s; }
.fresh-render .skid-row:nth-child(10) { animation-delay: 0.18s; }

/* Skid row delete animation (always active — triggered by class) */
.skid-row.removing {
  animation: slideOutRight 0.3s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

@keyframes slideOutRight {
  to { opacity: 0; transform: translateX(30px); height: 0; padding: 0; margin: 0; border-width: 0; overflow: hidden; }
}

/* --- Sidebar Stats Chip Animations (only on fresh render) --- */
.fresh-render .stat-chip {
  animation: popIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .stat-chip:nth-child(1) { animation-delay: 0.05s; }
.fresh-render .stat-chip:nth-child(2) { animation-delay: 0.12s; }
.fresh-render .stat-chip:nth-child(3) { animation-delay: 0.19s; }

.fresh-render .stat-chip .stat-val {
  animation: countUp 0.4s ease both;
  animation-delay: 0.15s;
}

/* --- Dashboard Hero KPI Animations (only on fresh render) --- */
.fresh-render .hero-kpi {
  animation: heroNumberPop 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .hero-kpi:nth-child(1) { animation-delay: 0.05s; }
.fresh-render .hero-kpi:nth-child(2) { animation-delay: 0.10s; }
.fresh-render .hero-kpi:nth-child(3) { animation-delay: 0.15s; }
.fresh-render .hero-kpi:nth-child(4) { animation-delay: 0.20s; }

.fresh-render .hero-value {
  animation: countUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.2s;
}

/* --- Truck Cards Staggered (only on fresh render) --- */
.fresh-render .truck-card {
  animation: slideInUp 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .truck-card:nth-child(1) { animation-delay: 0.05s; }
.fresh-render .truck-card:nth-child(2) { animation-delay: 0.10s; }
.fresh-render .truck-card:nth-child(3) { animation-delay: 0.15s; }
.fresh-render .truck-card:nth-child(4) { animation-delay: 0.18s; }
.fresh-render .truck-card:nth-child(5) { animation-delay: 0.21s; }
.fresh-render .truck-card:nth-child(6) { animation-delay: 0.24s; }

/* --- Badge Pop Animation (only on fresh render) --- */
.fresh-render .badge {
  animation: badgePop 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.25s;
}

/* --- Canvas Wrap Reveal (only on fresh render) --- */
.fresh-render .canvas-wrap {
  animation: truckCanvasReveal 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .canvas-wrap:nth-child(1) { animation-delay: 0.08s; }
.fresh-render .canvas-wrap:nth-child(2) { animation-delay: 0.16s; }
.fresh-render .canvas-wrap:nth-child(3) { animation-delay: 0.24s; }
.fresh-render .canvas-wrap:nth-child(4) { animation-delay: 0.32s; }

/* --- Intelligence Panel Animations (only on fresh render) --- */
.fresh-render .intel-card {
  animation: scaleIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .intel-card:nth-child(1) { animation-delay: 0.05s; }
.fresh-render .intel-card:nth-child(2) { animation-delay: 0.12s; }
.fresh-render .intel-card:nth-child(3) { animation-delay: 0.19s; }

.fresh-render .intel-ring svg {
  animation: ringPulse 2s ease-in-out 0.6s;
}

.fresh-render .intel-val {
  animation: countUp 0.4s ease both;
  animation-delay: 0.2s;
}

.fresh-render .intel-grade {
  animation: popIn 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.3s;
}

/* --- Suggestion Cards (only on fresh render) --- */
.fresh-render .suggestion {
  animation: slideInUp 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fresh-render .suggestion:nth-child(1) { animation-delay: 0.05s; }
.fresh-render .suggestion:nth-child(2) { animation-delay: 0.10s; }
.fresh-render .suggestion:nth-child(3) { animation-delay: 0.15s; }
.fresh-render .suggestion:nth-child(4) { animation-delay: 0.20s; }

/* --- Modal Overlay & Card Animations --- */
.error-modal.anim-in,
.compare-modal.anim-in,
.shortcut-modal.anim-in,
.plans-modal.anim-in,
.pdf-modal.anim-in,
.whatsnew-modal.anim-in,
.guide-modal.anim-in {
  animation: modalOverlayIn 0.25s ease both;
}

.error-modal.anim-in .error-modal-card,
.compare-modal.anim-in .compare-card,
.shortcut-modal.anim-in .shortcut-card,
.plans-modal.anim-in .plans-card,
.pdf-modal.anim-in .pdf-modal-inner,
.whatsnew-modal.anim-in .whatsnew-card,
.guide-modal.anim-in .guide-card {
  animation: modalCardIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.error-modal.anim-out,
.compare-modal.anim-out,
.shortcut-modal.anim-out,
.plans-modal.anim-out,
.pdf-modal.anim-out,
.whatsnew-modal.anim-out,
.guide-modal.anim-out {
  animation: modalOverlayIn 0.2s ease reverse both;
}

.error-modal.anim-out .error-modal-card,
.compare-modal.anim-out .compare-card,
.shortcut-modal.anim-out .shortcut-card,
.plans-modal.anim-out .plans-card,
.pdf-modal.anim-out .pdf-modal-inner,
.whatsnew-modal.anim-out .whatsnew-card,
.guide-modal.anim-out .guide-card {
  animation: modalCardOut 0.2s ease both;
}

/* --- Comparison Card Hover Lift --- */
.cmp-card {
  animation: slideInUp 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
}

.cmp-card:nth-child(1) { animation-delay: 0.05s; }
.cmp-card:nth-child(2) { animation-delay: 0.10s; }
.cmp-card:nth-child(3) { animation-delay: 0.15s; }
.cmp-card:nth-child(4) { animation-delay: 0.18s; }
.cmp-card:nth-child(5) { animation-delay: 0.21s; }
.cmp-card:nth-child(6) { animation-delay: 0.24s; }

.cmp-card:hover {
  transform: translateY(-3px);
}

.cmp-best-tag {
  animation: badgePop 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.3s;
}

/* --- Plan Item Stagger --- */
.plan-item {
  animation: slideInRight 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.plan-item:nth-child(1) { animation-delay: 0.04s; }
.plan-item:nth-child(2) { animation-delay: 0.08s; }
.plan-item:nth-child(3) { animation-delay: 0.12s; }
.plan-item:nth-child(4) { animation-delay: 0.16s; }
.plan-item:nth-child(5) { animation-delay: 0.20s; }

/* --- Button Press & Ripple --- */
.add-btn,
.calc-btn,
.rearrange-btn,
.cmp-use-btn,
.lock-btn,
.truck-lock-btn,
.truck-compare-btn {
  position: relative;
  overflow: hidden;
}

.add-btn::after,
.calc-btn::after,
.cmp-use-btn::after,
.lock-btn::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  pointer-events: none;
}

.add-btn:active::after,
.calc-btn:active::after,
.cmp-use-btn:active::after,
.lock-btn:active::after {
  animation: rippleOut 0.5s ease-out;
}

/* --- Optimize Button Shimmer (while optimizing) --- */
.calc-btn.shimmer-active {
  background-image: linear-gradient(
    90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.15) 50%,
    rgba(255,255,255,0) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

/* --- Toast Slide-In / Slide-Out --- */
.toast-notif {
  transition: opacity 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.toast-notif.show {
  animation: slideInUp 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Install Banner --- */
.install-banner {
  animation: installBannerIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Lock Screen Animations --- */
#lockScreen {
  animation: modalOverlayIn 0.5s ease both;
}

.lock-card {
  animation: slideInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

.lock-brand {
  animation: slideInLeft 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.lock-feature {
  animation: slideInLeft 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.lock-feature:nth-child(1) { animation-delay: 0.3s; }
.lock-feature:nth-child(2) { animation-delay: 0.38s; }
.lock-feature:nth-child(3) { animation-delay: 0.46s; }
.lock-feature:nth-child(4) { animation-delay: 0.54s; }
.lock-feature:nth-child(5) { animation-delay: 0.62s; }

/* --- Empty State Animations --- */
.empty-state {
  animation: scaleIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.empty-icon {
  animation: bounceSubtle 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.empty-title {
  animation: slideInUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

.empty-desc {
  animation: slideInUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

.empty-actions {
  animation: slideInUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.empty-tips {
  animation: slideInUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.28s both;
}

/* --- Error Banner Pulse --- */
.error-banner {
  animation: slideInDown 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Forced Trailer Badge --- */
.forced-badge {
  animation: badgePop 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Drag Handle Hover Wobble --- */
.drag-handle:hover {
  animation: bounceSubtle 0.4s ease;
}

/* --- Sidebar Smooth Open (mobile) --- */
.sidebar {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
}

.sidebar.open {
  transform: translateX(0);
  box-shadow: var(--s-lg), 0 0 40px rgba(0,0,0,0.1);
}

/* --- Sidebar Overlay Fade --- */
.sidebar-overlay {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

/* --- Toolbar Buttons Micro-interaction --- */
.header button {
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.header button:hover {
  transform: translateY(-1px);
}

.header button:active {
  transform: translateY(0) scale(0.96);
  transition-duration: 0.08s;
}

/* --- Input Focus Glow Transition --- */
.sidebar input[type="number"],
.sidebar input[type="text"] {
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Utilization Bar Animated Fill --- */
.util-bar-fill,
.cmp-util-fill,
.axle-bar-fill,
.intel-bar-fill,
.wd-bar-fill {
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Ring Fill Smooth Transition --- */
.ring-fill {
  transition: stroke-dasharray 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              stroke 0.4s ease;
}

/* --- Weight Distribution Bars --- */
.wd-bar-fill {
  transition: height 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Collapse/Expand Smooth --- */
.skid-row-body {
  transition: max-height 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.2s ease,
              padding 0.3s ease;
}

.skid-collapsed-summary {
  transition: opacity 0.2s ease;
}

/* --- Toggle Switch Smooth --- */
.toggle-switch {
  transition: background 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.toggle-switch::after {
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- No-Rotate Label Check Animation --- */
.no-rotate-label input:checked ~ .toggle-switch::after {
  animation: checkPop 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Hover Tooltip Pop --- */
.hover-tooltip {
  animation: tooltipPop 0.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Panel Count Badge --- */
.panel-count {
  transition: all var(--t-fast);
}

/* --- Tour Tooltip Improved --- */
.tour-tooltip {
  animation: tooltipPop 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Mobile Menu Button --- */
.mobile-menu-btn {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.mobile-menu-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(59,130,246,0.45);
}

.mobile-menu-btn:active {
  transform: scale(0.94);
}

/* --- Reduce Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .splash-progress-fill { animation: none !important; width: 95% !important; }
}

/* --- Mobile Rotate Button --- */
.mobile-rotate-btn{
  display:none !important;
}
@media(max-width:1100px){
  .mobile-rotate-btn.visible{
    display:inline-flex !important;
    position:absolute;
    bottom:8px;
    right:8px;
    z-index:10;
    animation:popIn 0.25s ease both;
  }
}

/* ============================
   PRINT STYLESHEET
   ============================ */
@media print{
  body{background:#fff!important;color:#000!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .sidebar,.header,.sidebar-footer,.sidebar-actions,.sidebar-stats,
  #lockScreen,#globalLoader,#hoverTooltip,.toast-notif,.mobile-menu-btn,.sidebar-overlay,
  #suggestions,#autoActions,.tour-overlay,.tour-tooltip,
  .shortcut-modal,.compare-modal,.pdf-modal,.error-modal,#splashLoader,#uploadErrors{display:none!important}
  .app{display:block!important;grid-template-columns:1fr!important}
  .main{overflow:visible!important}
  .workspace{padding:0!important}
  .panel{border:none!important;box-shadow:none!important;background:#fff!important;backdrop-filter:none!important;padding:10px 0!important}
  .canvas-wrap{break-inside:avoid;page-break-inside:avoid;border:1px solid #ddd!important;box-shadow:none!important;background:#fff!important;backdrop-filter:none!important;margin-bottom:12px!important}
  .truck-locked-badge{display:none!important}
  .truck-lock-btn{display:none!important}
  .truck-compare-btn{display:none!important}
  .truck-title-actions{display:none!important}
  .truck-actions-bar{display:none!important}
  .truck-dims-bar{background:#f0f0f0!important;border:1px solid #ddd!important}
  .dashboard-hero{break-inside:avoid}
  .hero-kpi{background:#f8f8f8!important;border:1px solid #ddd!important;box-shadow:none!important;backdrop-filter:none!important}
  .hero-kpi,.hero-value,.hero-label,.hero-sub,.hero-unit{color:#000!important}
  .truck-card{background:#f8f8f8!important;border:1px solid #ddd!important;box-shadow:none!important;backdrop-filter:none!important}
  .truck-card-title,.truck-card-type,.truck-card-meta{color:#000!important}
  .panel-header h3{color:#000!important}
  .intel-grid{display:none!important}
  canvas{max-width:100%!important}
  .weight-dist,.axle-weight-panel{background:#f8f8f8!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;border:1px solid #ddd!important;box-shadow:none!important}
  a{color:#000!important;text-decoration:none!important}
}

/* ============================
   RESPONSIVE MOBILE (Enhanced)
   ============================ */
@media(max-width:1100px){
  .app{grid-template-columns:1fr}
  .sidebar{
    position:fixed;left:0;top:0;bottom:0;width:300px;
    height:100%;height:-webkit-fill-available;
    z-index:300;
    transform:translateX(-100%);
    transition:transform 0.3s ease;
    box-shadow:none;
  }
  @supports(height:100dvh){
    .sidebar{height:100dvh}
  }
  .sidebar.open{transform:translateX(0);box-shadow:var(--s-lg)}
  .mobile-menu-btn{display:flex}
  .header{padding:6px 10px}
  .header>div{gap:4px;justify-content:center}
  .header button{font-size:11px;height:32px;padding:0 10px}
  .header select{height:32px;font-size:11px}
  .toolbar-sep{height:20px}
  .dashboard-hero{grid-template-columns:repeat(2,1fr)}
  .truck-dashboard-list{grid-template-columns:repeat(2,1fr)}
  #intelligencePanel{grid-template-columns:repeat(2,1fr)!important}
}

@media(max-width:720px){
  .lock-split{flex-direction:column}
  .lock-left{flex:0 0 auto;padding:32px 24px;min-height:auto}
  .lock-features{display:none}
  .lock-right{padding:24px}
  .header{padding:6px 8px}
  .header>div{gap:3px}
  .header button{font-size:10px;height:30px;padding:0 8px}
  .header select{height:30px;font-size:10px;padding:0 6px}
  .toolbar-sep{display:none}
  .dual-label{font-size:9px}
  .dashboard-hero,#intelligencePanel{grid-template-columns:1fr!important}
  .form-grid{grid-template-columns:1fr}
  .sidebar{width:280px}
  .sidebar-actions{padding:8px 10px 0;gap:4px}
  .add-btn{padding:7px;font-size:11px}
  .drop-zone{padding:8px;font-size:10px}
  .sidebar-footer{padding:6px 10px 10px}
  .sidebar-brand{padding:12px 12px 10px}
  .sidebar-brand h3{font-size:13px}
}

@media(max-width:480px){
  .workspace{padding:8px}
  .dashboard-hero{grid-template-columns:1fr;gap:6px}
  .truck-dashboard-list{grid-template-columns:1fr}
  .hero-value{font-size:22px}
  .hero-kpi{min-height:64px;padding:12px 14px}
  .header{padding:4px 6px}
  .header>div{gap:2px}
  .header button{height:28px;padding:0 6px;font-size:9px}
  .header select{height:28px;font-size:9px;padding:0 4px}
  .canvas-wrap{padding:8px}
  .panel{padding:12px}
  .sidebar-brand{padding:10px 10px 8px}
  .sidebar-brand h3{font-size:12px}
  .sidebar-actions{padding:6px 8px 0;gap:3px}
  .add-btn{padding:6px;font-size:11px}
  .drop-zone{padding:6px;font-size:9px}
  .drop-zone-hint{display:none}
  .template-btn{font-size:9px;padding:5px}
  .sidebar-stats{padding:6px 8px;gap:4px}
  .stat-chip{padding:6px 4px 5px}
  .stat-chip .stat-val{font-size:14px}
  #listWrap{padding:6px 8px}
  .sidebar-footer{padding:5px 8px 8px;gap:3px}
  .calc-btn,.rearrange-btn{padding:7px;font-size:11px}
  .mobile-menu-btn{bottom:12px;right:12px;width:44px;height:44px;font-size:18px}
}