/* ============================================================
   FMCSA Carrier Finder  |  Premium Light Theme
   ============================================================ */

/* ── Reset & Base ──────────────────────────────────────── */

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

:root {
  --bg-base: #f4f6fb;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-solid: #ffffff;
  --bg-input: rgba(241, 245, 249, 0.9);
  --border: rgba(99, 102, 241, 0.12);
  --border-hover: rgba(99, 102, 241, 0.32);
  --text-1: #1e293b;
  --text-2: #475569;
  --text-3: #94a3b8;
  --cyan: #0891b2;
  --cyan-dim: rgba(8, 145, 178, 0.1);
  --purple: #7c3aed;
  --purple-dim: rgba(124, 58, 237, 0.08);
  --blue: #2563eb;
  --green: #059669;
  --green-dim: rgba(5, 150, 105, 0.1);
  --red: #dc2626;
  --red-dim: rgba(220, 38, 38, 0.08);
  --amber: #d97706;
  --amber-dim: rgba(217, 119, 6, 0.08);
  --gradient: linear-gradient(135deg, var(--cyan), var(--purple));
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 24px rgba(99, 102, 241, 0.06);
  --shadow-sm: 0 1px 8px rgba(0, 0, 0, 0.05);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Background effects ────────────────────────────────── */

.bg-effects {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.35;
}

.bg-orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -100px;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.18), transparent 70%);
  animation: orbFloat1 25s ease-in-out infinite;
}

.bg-orb-2 {
  width: 500px;
  height: 500px;
  top: 30%;
  right: -150px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.12), transparent 70%);
  animation: orbFloat2 30s ease-in-out infinite;
}

.bg-orb-3 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: 30%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1), transparent 70%);
  animation: orbFloat3 20s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(80px, 60px) scale(1.1); }
  66% { transform: translate(-40px, 30px) scale(0.95); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-60px, -40px) scale(1.05); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(50px, -30px); }
}

/* ── Header ────────────────────────────────────────────── */

.header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.7);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--gradient);
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(8, 145, 178, 0.2);
}

.logo-title {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.logo-subtitle {
  font-size: 0.82rem;
  color: var(--text-3);
  font-weight: 400;
}

/* Connection status */
.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  background: rgba(241, 245, 249, 0.8);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 2s ease-in-out infinite;
}

.connection-status.connected .status-dot {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.connection-status.error .status-dot {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* ── Main Content ──────────────────────────────────────── */

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Cards ─────────────────────────────────────────────── */

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition);
}

.glass-card:hover {
  border-color: var(--border-hover);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card-icon {
  font-size: 1.6rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--purple-dim);
  flex-shrink: 0;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 2px;
}

/* ── Form Elements ─────────────────────────────────────── */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.input-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  transition: all var(--transition);
}

.input-group input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.input-group input::placeholder {
  color: var(--text-3);
}

.input-hint {
  font-size: 0.72rem;
  color: var(--text-3);
}

.input-with-btn {
  display: flex;
  gap: 0.6rem;
}

.input-with-btn input {
  flex: 1;
}

/* ── Quick Check Result ────────────────────────────────── */

.quick-check-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quick-result {
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  animation: fadeSlideIn 0.35s ease;
}

.quick-result.found {
  border-color: rgba(5, 150, 105, 0.3);
  background: var(--green-dim);
}

.quick-result.not-found {
  border-color: rgba(220, 38, 38, 0.2);
  background: var(--red-dim);
}

.quick-result .result-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.quick-result .result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
}

.quick-result .result-field {
  font-size: 0.82rem;
}

.quick-result .result-field .field-label {
  color: var(--text-3);
  font-weight: 500;
}

.quick-result .result-field .field-value {
  color: var(--text-1);
  font-weight: 600;
}

/* ── Buttons ───────────────────────────────────────────── */

.controls {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(8, 145, 178, 0.2);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 30px rgba(8, 145, 178, 0.35);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--cyan);
  color: #fff;
  box-shadow: 0 4px 14px rgba(8, 145, 178, 0.2);
}

.btn-accent:hover:not(:disabled) {
  background: #0e7490;
  box-shadow: 0 6px 20px rgba(8, 145, 178, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(241, 245, 249, 0.9);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(226, 232, 240, 0.9);
  color: var(--text-1);
}

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(220, 38, 38, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.btn-loader {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ── Stats Grid ────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.08);
}

.stat-card-found {
  border-color: rgba(5, 150, 105, 0.2);
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card-found .stat-value {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-top: 0.3rem;
}

/* ── Progress Bar ──────────────────────────────────────── */

.progress-section {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.8rem;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.7rem;
  font-size: 0.82rem;
}

.progress-label {
  color: var(--text-1);
  font-weight: 600;
}

.progress-eta {
  color: var(--text-3);
}

.progress-track {
  height: 10px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 100px;
  transition: width 0.4s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 100%
  );
  animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-3);
}

.progress-pct {
  font-weight: 700;
  color: var(--cyan);
}

/* ── Results Table ─────────────────────────────────────── */

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.export-buttons {
  display: flex;
  gap: 0.5rem;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.results-table thead {
  background: rgba(241, 245, 249, 0.9);
  position: sticky;
  top: 0;
}

.results-table th {
  padding: 0.9rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.results-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--text-2);
  vertical-align: top;
}

.results-table tbody tr {
  transition: background var(--transition);
  animation: fadeSlideIn 0.3s ease;
}

.results-table tbody tr:hover {
  background: rgba(8, 145, 178, 0.04);
}

.results-table tbody tr:nth-child(even) {
  background: rgba(241, 245, 249, 0.5);
}

.results-table tbody tr:nth-child(even):hover {
  background: rgba(8, 145, 178, 0.06);
}

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

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

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

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

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-3);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

.empty-state p {
  font-size: 0.9rem;
}

/* ── Cell clamp (show more / show less) ────────────────── */

.cell-clamp {
  position: relative;
  font-size: 0.78rem;
  max-width: 220px;
}

.cell-clamp.clamped .cell-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.clamp-toggle {
  display: inline-block;
  margin-top: 2px;
  padding: 0;
  border: none;
  background: none;
  color: var(--cyan);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.clamp-toggle:hover {
  color: var(--purple);
}

/* ── Log Console ───────────────────────────────────────── */

.log-console {
  max-height: 200px;
  overflow-y: auto;
  padding: 1rem;
  background: rgba(30, 41, 59, 0.95);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  color: #cbd5e1;
}

.log-entry {
  padding: 0.15rem 0;
  animation: fadeSlideIn 0.2s ease;
}

.log-entry::before {
  margin-right: 0.5rem;
  font-weight: 600;
}

.log-info { color: #94a3b8; }
.log-info::before { content: '[INFO]'; color: #60a5fa; }

.log-success { color: #34d399; }
.log-success::before { content: '[FOUND]'; color: #34d399; }

.log-error { color: #f87171; }
.log-error::before { content: '[ERROR]'; color: #f87171; }

.log-warn { color: #fbbf24; }
.log-warn::before { content: '[WARN]'; color: #fbbf24; }

.log-console::-webkit-scrollbar {
  width: 6px;
}

.log-console::-webkit-scrollbar-track {
  background: transparent;
}

.log-console::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 100px;
}

/* ── Pagination ────────────────────────────────────────── */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 0 0.2rem;
}

.pagination-info {
  font-size: 0.82rem;
  color: var(--text-3);
  padding: 0 0.6rem;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.78rem;
}

/* ── Utility ───────────────────────────────────────────── */

.hidden {
  display: none !important;
}

/* ── Toast Notification ────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toast {
  padding: 1rem 1.4rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  animation: toastIn 0.35s ease;
  max-width: 380px;
}

.toast-success {
  background: rgba(5, 150, 105, 0.1);
  border-color: rgba(5, 150, 105, 0.25);
  color: var(--green);
}

.toast-error {
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.2);
  color: var(--red);
}

.toast-info {
  background: rgba(8, 145, 178, 0.08);
  border-color: rgba(8, 145, 178, 0.2);
  color: var(--cyan);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(40px);
  }
}

/* ── Scanning pulse on stat card ───────────────────────── */

.stat-card.scanning-pulse {
  animation: scanPulse 2s ease-in-out infinite;
}

@keyframes scanPulse {
  0%, 100% { box-shadow: var(--shadow-card); }
  50% { box-shadow: 0 4px 30px rgba(8, 145, 178, 0.15); }
}

/* ── Found flash ───────────────────────────────────────── */

.flash-found {
  animation: flashGreen 0.6s ease;
}

@keyframes flashGreen {
  0%, 100% { box-shadow: var(--shadow-card); }
  50% { box-shadow: 0 0 30px rgba(5, 150, 105, 0.25); border-color: rgba(5, 150, 105, 0.4); }
}

/* ── Responsive ────────────────────────────────────────── */

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-content {
    padding: 1rem;
  }

  .glass-card {
    padding: 1.2rem;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 500px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
  }

  .stat-card {
    padding: 1rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .controls {
    flex-direction: column;
  }

  .btn-lg {
    width: 100%;
    justify-content: center;
  }
}

/* ── Scrollbar (global) ────────────────────────────────── */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.18);
}