/* Haul IQ — Shared Design System */
/* Used by both Dashboard and Chrome Extension for consistent UX */

:root {
  /* Base colors */
  --bg: #0E0E0E;
  --panel: #171717;
  --stroke: #242424;
  --text: #E6E6E6;
  --muted: #9A9A9A;
  --disabled: #4A4A4A;

  /* Brand */
  --brand: #F2C200;
  --brand-weak: rgba(242, 194, 0, 0.12);
  --violet-1: #6246EA;
  --violet-2: #4C2FD1;

  /* Status colors */
  --ok: #32D48D;
  --warn: #E8A000;
  --error: #D94F4F;

  /* Design tokens */
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-1: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-2: 0 6px 18px rgba(0, 0, 0, 0.35);

  /* Spacing (8px grid) */
  --s-1: 8px;
  --s-2: 12px;
  --s-3: 16px;
  --s-4: 20px;
  --s-5: 24px;
  --s-6: 32px;

  /* Typography */
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs: 14px;
  --fs-md: 15px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --lh: 1.4;
}

/* Global styles */
html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: var(--lh);
  margin: 0;
  padding: 0;
}

/* Card component */
.card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: var(--s-3);
}

/* Button components */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-weight: 600;
  font-size: var(--fs);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--brand);
  color: #171717;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(0.96);
}

.btn-secondary {
  background: #222;
  color: var(--text);
  border-color: #333;
}

.btn-secondary:hover:not(:disabled) {
  border-color: #444;
}

.btn-danger {
  background: var(--error);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.9);
}

/* Chip/badge components */
.chip {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  border: 1px solid var(--stroke);
  background: #111;
  color: var(--muted);
  cursor: default;
}

.chip-ok {
  background: rgba(50, 212, 141, 0.12);
  color: var(--ok);
  border-color: rgba(50, 212, 141, 0.25);
}

.chip-wait {
  background: rgba(232, 160, 0, 0.12);
  color: var(--warn);
  border-color: rgba(232, 160, 0, 0.25);
}

.chip-warn {
  background: var(--brand-weak);
  color: var(--brand);
  border-color: rgba(242, 194, 0, 0.25);
}

.chip-error {
  background: rgba(217, 79, 79, 0.12);
  color: var(--error);
  border-color: rgba(217, 79, 79, 0.25);
}

/* Table component */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
}

.table thead th {
  font-size: var(--fs-sm);
  color: var(--muted);
  font-weight: 600;
  text-align: left;
  padding: 10px var(--s-3);
  background: transparent;
  border: none;
}

.table tbody tr {
  background: var(--panel);
  border: 1px solid var(--stroke);
  transition: all 0.15s ease;
}

.table tbody tr:hover {
  outline: 1px solid #2b2b2b;
  cursor: pointer;
}

.table tbody td {
  padding: 12px var(--s-3);
  font-size: var(--fs);
  border: none;
}

/* KPI cards */
.kpi {
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--violet-1), var(--violet-2));
  color: #fff;
  padding: var(--s-5);
}

.kpi .label {
  font-size: var(--fs-sm);
  opacity: 0.85;
  font-weight: 500;
}

.kpi .value {
  font-size: 28px;
  font-weight: 800;
  margin-top: 6px;
  line-height: 1.2;
}

.kpi .sub {
  font-size: var(--fs-sm);
  opacity: 0.85;
  margin-top: 2px;
}

/* Form inputs */
input[type="text"],
input[type="number"],
input[type="email"],
select,
textarea {
  background: #111;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: var(--fs);
  font-family: var(--font);
  transition: border-color 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand);
}

/* Utilities */
.text-muted {
  color: var(--muted);
}

.text-brand {
  color: var(--brand);
}

.text-ok {
  color: var(--ok);
}

.text-warn {
  color: var(--warn);
}

.text-error {
  color: var(--error);
}

/* Negotiation Modal (Full Cockpit) */
#neg-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  display: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}

#neg-modal.open {
  display: block;
  opacity: 1;
}

#neg-modal-body {
  background: var(--bg);
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Sticky Header */
.cockpit-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--stroke);
  padding: var(--s-4);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.cockpit-header.scrolled {
  box-shadow: var(--shadow-2);
}

/* Three-column layout */
.cockpit-columns {
  display: grid;
  grid-template-columns: 35% 40% 25%;
  gap: var(--s-3);
  padding: var(--s-4);
  max-height: calc(100vh - 180px);
  overflow: hidden;
  flex: 1;
}

.cockpit-col {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  overflow-y: auto;
  max-height: calc(100vh - 200px);
  padding-right: 8px;
}

.cockpit-col::-webkit-scrollbar {
  width: 6px;
}

.cockpit-col::-webkit-scrollbar-track {
  background: var(--bg);
}

.cockpit-col::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 3px;
}

.cockpit-col::-webkit-scrollbar-thumb:hover {
  background: var(--text);
}

/* KPI header chips */
.kpi-chips {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin-top: var(--s-2);
}

.kpi-chip {
  background: linear-gradient(135deg, var(--violet-1), var(--violet-2));
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.kpi-chip-label {
  font-size: var(--fs-xs);
  opacity: 0.8;
  display: block;
  margin-bottom: 2px;
}

.kpi-chip-value {
  font-size: var(--fs-md);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

/* Formula transparency drawer */
.formula-drawer {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  padding: var(--s-3);
  margin-top: var(--s-2);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: var(--fs-xs);
  color: var(--muted);
  display: none;
}

.formula-drawer.open {
  display: block;
}

.formula-drawer code {
  color: var(--text);
}

/* Map container */
#route-map {
  min-height: 280px;
  background: var(--panel);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* What-if slider */
.whatif-slider {
  width: 100%;
  margin: var(--s-2) 0;
}

.whatif-result {
  text-align: center;
  padding: var(--s-2);
  background: var(--panel);
  border-radius: var(--radius-sm);
  margin-top: var(--s-2);
}