/* FreightRunner - Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-dark: #0a0b0d;
  --bg-card: #111318;
  --bg-card-hover: #181b22;
  --bg-input: #0d0e12;
  --amber: #f59e0b;
  --amber-dim: #b45309;
  --amber-glow: rgba(245, 158, 11, 0.15);
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.1);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.1);
  --blue: #3b82f6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e2330;
  --border-focus: rgba(245, 158, 11, 0.5);
  --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
}

/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* App Nav */
.app-nav {
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.app-nav .nav-logo {
  height: 36px;
  display: block;
}

.app-nav .nav-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.app-nav .nav-logo-text span { color: var(--amber); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
}

.lang-toggle button {
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}

.lang-toggle button.active {
  background: var(--amber);
  color: #0a0b0d;
}

.lang-toggle button:hover:not(.active) {
  color: var(--text-secondary);
}

/* User menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background 0.2s;
}

.user-menu:hover { background: var(--bg-card); }

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #0a0b0d;
}

.user-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-amber);
  color: #0a0b0d;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--amber);
  background: var(--bg-card-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
}

.btn-ghost:hover { color: var(--text-primary); }

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--border-focus);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input-error {
  border-color: var(--red) !important;
}

.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.form-select:focus {
  border-color: var(--border-focus);
}

.form-select option {
  background: var(--bg-dark);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 0.8rem;
  color: var(--red);
  margin-top: 4px;
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.file-upload:hover {
  border-color: var(--amber);
  background: rgba(245, 158, 11, 0.03);
}

.file-upload.has-file {
  border-color: var(--green);
  background: rgba(34, 197, 94, 0.05);
}

.file-upload-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.file-upload-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.file-upload-name {
  font-size: 0.85rem;
  color: var(--green);
  margin-top: 8px;
  font-weight: 500;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: rgba(245, 158, 11, 0.2);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Alert / Toast */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background: var(--green-dim);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green);
}

.alert-error {
  background: var(--red-dim);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--red);
}

.alert-warning {
  background: var(--amber-glow);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--amber);
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--blue);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-good {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.badge-average {
  background: var(--amber-glow);
  color: var(--amber);
}

.badge-avoid {
  background: var(--red-dim);
  color: var(--red);
}

.badge-verified {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue);
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 40px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.step-item:not(:last-child)::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 12px;
}

.step-item.active .step-num,
.step-item.completed .step-num {
  background: var(--gradient-amber);
  color: #0a0b0d;
  border-color: transparent;
}

.step-item.completed .step-num::after {
  content: '\2713';
}

.step-item:not(:last-child).active::after,
.step-item:not(:last-child).completed::after {
  background: var(--amber);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid var(--border);
  color: var(--text-muted);
  flex-shrink: 0;
}

.step-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.step-item.active .step-label {
  color: var(--text-primary);
  font-weight: 500;
}

/* Load Card */
.load-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.2s;
  cursor: pointer;
}

.load-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-2px);
}

.load-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-amber);
  opacity: 0;
  transition: opacity 0.2s;
}

.load-card:hover::before { opacity: 1; }

.load-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.load-route {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
}

.load-route .arrow {
  color: var(--amber);
  margin: 0 6px;
}

.profit-badge {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green);
  padding: 6px 14px;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
}

.profit-badge.negative {
  background: var(--red-dim);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--red);
}

.load-shipper-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.load-shipper-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.load-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.load-metric {
  padding: 8px 0;
}

.load-metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.load-metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
}

.load-metric-value.good { color: var(--green); }
.load-metric-value.warn { color: var(--amber); }
.load-metric-value.bad { color: var(--red); }

.return-load-tag {
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.return-load-tag strong { color: var(--amber); }

.load-source {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Filters bar */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-select, .filter-input {
  padding: 8px 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  outline: none;
}

.filter-select:focus, .filter-input:focus {
  border-color: var(--border-focus);
}

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Auth page */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-header img {
  height: 40px;
  margin-bottom: 24px;
}

.auth-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.auth-toggle {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.auth-toggle a {
  color: var(--amber);
  text-decoration: none;
  font-weight: 500;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Onboarding */
.onboarding-wrapper {
  max-width: 680px;
  margin: 60px auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.onboarding-header {
  text-align: center;
  margin-bottom: 32px;
}

.onboarding-header h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.onboarding-header p {
  color: var(--text-secondary);
}

.step-content {
  display: none;
}

.step-content.active {
  display: block;
}

.step-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  gap: 16px;
}

/* FMCSA validation result */
.fmcsa-result {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-top: 16px;
}

.fmcsa-result.valid {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.fmcsa-result.invalid {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.fmcsa-company-name {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.fmcsa-status {
  font-size: 0.85rem;
}

.fmcsa-status.active { color: var(--green); }
.fmcsa-status.inactive { color: var(--red); }

/* Dashboard */
.dashboard-header {
  margin-bottom: 32px;
}

.dashboard-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dashboard-header p {
  color: var(--text-secondary);
}

.loads-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.loading-state .spinner {
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

/* Logout button */
.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-logout:hover {
  border-color: var(--red);
  color: var(--red);
}

/* Lane tag input */
.lanes-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.lane-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--amber-glow);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--amber);
}

.lane-tag .remove {
  cursor: pointer;
  font-weight: 700;
  opacity: 0.7;
}

.lane-tag .remove:hover { opacity: 1; }

/* Responsive */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .load-card-header { flex-direction: column; gap: 8px; }
  .load-metrics { grid-template-columns: repeat(2, 1fr); }
  .filters-bar { flex-direction: column; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stepper { flex-wrap: wrap; gap: 8px; }
  .step-item:not(:last-child)::after { display: none; }
  .step-label { display: none; }
  .nav-right { gap: 8px; }
  .user-name { display: none; }
}

/* Utility classes */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-amber { color: var(--amber); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-muted { color: var(--text-muted); }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }