/* ── Reset & Variables ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #1a1a2e;
  --card:      #16213e;
  --card2:     #1d2d50;
  --accent:    #0f3460;
  --cta:       #e94560;
  --cta-hover: #c73652;
  --pause:     #f4a261;
  --pause-hover: #e08c4a;
  --resume:    #2a9d8f;
  --resume-hover: #21867a;
  --stop:      #e63946;
  --stop-hover:#c1121f;
  --text:      #e0e0e0;
  --text-dim:  #8892a4;
  --border:    #263354;
  --green:     #2ec97e;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  min-height: 100vh;
  padding-bottom: 40px;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  background: var(--cta);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 6px 12px;
  border-radius: 8px;
  letter-spacing: 1px;
  flex-shrink: 0;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

header p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Driver app header user area */
.header-user-area {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

.header-user {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: none;
}

@media (min-width: 480px) { .header-user { display: block; } }

.btn-logout-sm {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-logout-sm:hover { background: var(--stop); color: #fff; border-color: var(--stop); }

/* Active vehicle display in trip card */
.active-vehicle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 16px;
}
.av-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.av-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--green);
}

/* Vehicle select */
.vehicle-select {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  padding: 12px 14px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s;
  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='%238892a4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.vehicle-select:focus { outline: none; border-color: var(--cta); }

/* ── Tabs ───────────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 4px;
  padding: 16px 24px 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  background: var(--card);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.tab-btn:hover:not(.tab-disabled) { color: var(--text); }

.tab-btn.tab-active {
  color: var(--cta);
  border-bottom-color: var(--cta);
}

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

.tab-panel { display: none; padding: 24px; }
.tab-panel.active { display: block; }

/* ── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-header-row .card-title { margin-bottom: 0; }

/* ── Timer ──────────────────────────────────────────────────────────────────── */
.timer-wrapper {
  text-align: center;
  margin-bottom: 28px;
}

#timer-display {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  letter-spacing: 4px;
  line-height: 1;
}

.status-badge {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.status-idle    { background: var(--accent); color: var(--text-dim); }
.status-running { background: #1a3d2e; color: var(--green); }
.status-paused  { background: #3d2e1a; color: var(--pause); }

/* ── Trip buttons ───────────────────────────────────────────────────────────── */
.btn-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  min-width: 120px;
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, opacity 0.2s;
  letter-spacing: 0.3px;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.btn-start      { background: var(--green); color: #0d1f17; }
.btn-start:not(:disabled):hover { background: #25b36e; }

.btn-pause      { background: var(--pause); color: #1a0e00; }
.btn-pause:not(:disabled):hover { background: var(--pause-hover); }
.btn-resume     { background: var(--resume) !important; color: #fff !important; }
.btn-resume:not(:disabled):hover { background: var(--resume-hover) !important; }

.btn-stop       { background: var(--stop); color: #fff; }
.btn-stop:not(:disabled):hover { background: var(--stop-hover); }

/* ── Trip stats ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.stat-item {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.stat-input {
  background: var(--accent);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  width: 100%;
  padding: 2px 6px;
  font-family: inherit;
}

.stat-input:focus {
  outline: 2px solid var(--cta);
  background: var(--card2);
}

/* ── Tables ─────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 10px 10px;
  border-bottom: 1px solid rgba(38,51,84,0.5);
  color: var(--text);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.03); }

.empty-row { text-align: center; color: var(--text-dim); padding: 24px; font-style: italic; }

.actions-cell { white-space: nowrap; }

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: background 0.15s, color 0.15s;
}
.btn-icon:hover { background: var(--stop); color: #fff; border-color: var(--stop); }

.btn-icon-text {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin-right: 4px;
}
.btn-icon-text:hover { background: var(--accent); color: var(--text); }
.btn-icon-text.danger:hover { background: var(--stop); color: #fff; border-color: var(--stop); }

/* ── Costs form ─────────────────────────────────────────────────────────────── */
.costs-forms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .costs-forms { grid-template-columns: 1fr; }
}

.cost-form-section h3 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row input {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  padding: 10px 12px;
  font-family: inherit;
  transition: border-color 0.15s;
}

.form-row input:focus {
  outline: none;
  border-color: var(--cta);
}

.form-row input::placeholder { color: var(--text-dim); }
.form-row input[readonly] { opacity: 0.7; cursor: default; }

.btn-add {
  margin-top: 4px;
  background: var(--cta);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-add:hover { background: var(--cta-hover); }

/* ── Cost totals ────────────────────────────────────────────────────────────── */
.totals-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.total-chip {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 18px;
  flex: 1;
  min-width: 140px;
  text-align: center;
}

.total-chip .chip-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.total-chip .chip-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
}

.total-chip.grand .chip-value { color: var(--cta); }

/* ── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge-fuel  { background: #1a3040; color: #4cc9f0; }
.badge-maint { background: #2d1f3d; color: #c77dff; }

/* ── Modal ──────────────────────────────────────────────────────────────────── */
.modal-overlay,
#modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.visible,
#modal-overlay.visible {
  display: flex;
}

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.6);
  animation: slideUp 0.2s ease;
}

.modal-lg { max-width: 640px; }

.modal-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modal-header-row h2 { margin-bottom: 0; }

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

.modal h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.modal-input {
  width: 100%;
  background: var(--card2);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 700;
  padding: 14px 16px;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  transition: border-color 0.15s;
  margin-bottom: 20px;
}

.modal-input:focus {
  outline: none;
  border-color: var(--cta);
}

.modal-input.input-error { border-color: var(--stop); animation: shake 0.3s; }

@keyframes shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.modal-btns {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.btn-start-modal { background: var(--green); color: #0d1f17; flex: 1; min-height: 48px; }
.btn-stop-modal  { background: var(--stop);  color: #fff;    flex: 1; min-height: 48px; }
.btn-cancel      { background: var(--card2); color: var(--text-dim); border: 1px solid var(--border); min-height: 48px; }
.btn-cancel:hover { background: var(--accent); color: var(--text); }

/* ── Toast ──────────────────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  z-index: 2000;
  white-space: nowrap;
}

#toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

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

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
  text-align: center;
}

.auth-logo {
  display: inline-block;
  background: var(--cta);
  color: #fff;
  font-weight: 800;
  font-size: 1.4rem;
  padding: 8px 18px;
  border-radius: 10px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.auth-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.auth-error {
  background: rgba(230,57,70,0.15);
  border: 1px solid var(--stop);
  color: #ff8089;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
  text-align: left;
  margin-bottom: 12px;
}

/* ── Shared form controls (auth + admin) ────────────────────────────────────── */
.form-group {
  margin-bottom: 14px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.label-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-dim);
  font-size: 0.75rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cta);
}

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

.form-select {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 14px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s;
}
.form-select:focus { outline: none; border-color: var(--cta); }

/* ── Color picker row ───────────────────────────────────────────────────────── */
.color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-row input[type="color"] {
  width: 44px;
  height: 40px;
  padding: 2px;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.color-row input[type="text"] {
  flex: 1;
  font-family: monospace;
  font-size: 0.9rem;
}

/* ── Branding preview ───────────────────────────────────────────────────────── */
.brand-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-top: 20px;
}

.preview-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-logo {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.75rem;
  background: var(--cta);
  letter-spacing: 1px;
}

/* ── Color swatches (superadmin table) ──────────────────────────────────────── */
.color-swatch {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.1);
  margin-right: 4px;
  vertical-align: middle;
}

/* ── Status dots ────────────────────────────────────────────────────────────── */
.status-dot {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}
.dot-active   { background: #1a3d2e; color: var(--green); }
.dot-inactive { background: #2d1a1a; color: #e57373; }

/* ── Admin layout ───────────────────────────────────────────────────────────── */
.admin-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 7px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-logout:hover { background: var(--stop); color: #fff; border-color: var(--stop); }

.admin-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .tab-panel { padding: 16px; }
  .card { padding: 16px; }
  .btn-row { gap: 8px; }
  .btn { min-width: 100px; padding: 12px 16px; font-size: 0.9rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .admin-container { padding: 16px; }
  .modal { padding: 24px 20px; }
  .auth-card { padding: 28px 20px; }
}