/* ════════════════════════════════════════════════════════════════════
   Tesla Nav -- Phase 2 Tab Navigation
   Replaces sidebar + header dropdowns with a single horizontal tab bar.
   ════════════════════════════════════════════════════════════════════ */

/* -- Header Override ------------------------------------------------ */

.tesla-header {
  background: linear-gradient(180deg, #0a0f1a 0%, #0f1520 100%);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  backdrop-filter: none;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 200;
}

.tesla-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(99, 102, 241, 0.3) 30%,
    rgba(139, 92, 246, 0.4) 50%,
    rgba(99, 102, 241, 0.3) 70%,
    transparent 100%
  );
}

.tesla-header__brand h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

/* -- Tab Bar -------------------------------------------------------- */

.tesla-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  height: 100%;
}

.tesla-tab {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.tesla-tab__trigger {
  appearance: none;
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0 1.25rem;
  height: 100%;
  cursor: pointer;
  transition: color 0.2s ease;
  white-space: nowrap;
  position: relative;
}

.tesla-tab__trigger:hover {
  color: #e2e8f0;
}

.tesla-tab__trigger::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  border-radius: 1px;
  transition: transform 0.25s ease;
}

.tesla-tab:hover .tesla-tab__trigger::after,
.tesla-tab.is-open .tesla-tab__trigger::after {
  transform: translateX(-50%) scaleX(1);
}

.tesla-tab.is-open .tesla-tab__trigger {
  color: #f1f5f9;
}

/* -- Tab Dropdown --------------------------------------------------- */

.tesla-tab__panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 8px 0;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  z-index: 300;
}

.tesla-tab.is-open .tesla-tab__panel {
  display: block;
}

.tesla-tab__panel .nav-item {
  display: block;
  padding: 10px 20px;
  color: #cbd5e1;
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
  border-radius: 0;
  margin: 0;
  gap: 0;
}

.tesla-tab__panel .nav-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: #f1f5f9;
}

.tesla-tab__panel .nav-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

/* -- EVIE Button ---------------------------------------------------- */

.tesla-evie-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 20px;
  color: #a5b4fc;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tesla-evie-btn:hover {
  background: rgba(99, 102, 241, 0.22);
  border-color: rgba(99, 102, 241, 0.5);
  color: #c7d2fe;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.2);
}

/* -- Close Button --------------------------------------------------- */

.tesla-close-btn {
  appearance: none;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tesla-close-btn:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
}

/* -- Header Actions Container --------------------------------------- */

.tesla-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* -- Layout Override: Remove Sidebar -------------------------------- */

.tesla-layout .main-layout {
  display: block;
}

.tesla-layout .sidebar {
  display: none;
}

.tesla-layout .main-content {
  padding: 0;
}

.tesla-layout #section-iframe-view {
  margin: 0;
  width: 100%;
  height: calc(100vh - 56px);
}

/* -- Inline Section Dark Polish ------------------------------------- */

.tesla-layout .main-content {
  background: #0a0f1a;
  min-height: calc(100vh - 56px);
  padding: 24px 32px;
}

.tesla-layout .content-section h2,
.tesla-layout .content-section h3 {
  color: #f1f5f9;
}

.tesla-layout .content-section p,
.tesla-layout .content-section label,
.tesla-layout .content-section .text-muted {
  color: #94a3b8;
}

.tesla-layout .content-section .card,
.tesla-layout .content-section .kpi-card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 14px;
}

.tesla-layout .content-section table th {
  background: rgba(15, 23, 42, 0.6);
  color: #94a3b8;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tesla-layout .content-section table td {
  color: #cbd5e1;
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
}

/* -- Responsive ----------------------------------------------------- */

@media (max-width: 768px) {
  .tesla-header {
    height: auto;
    flex-wrap: wrap;
    padding: 12px 16px;
    gap: 8px;
  }

  .tesla-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tesla-tab__trigger {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .tesla-tab__panel {
    position: fixed;
    left: 0;
    right: 0;
    border-radius: 0;
    min-width: 100vw;
  }
}

/* -- Tab JS Controller (inline) ------------------------------------- */
/* Handled by the inline script block below the header */

/* -- Phase 4: Global Glassmorphism for Inline Sections -------------- */

.tesla-layout .content-section {
  background: #0f172a;
  min-height: calc(100vh - 56px);
}

/* Glass card treatment for all card-like elements */
.tesla-layout .content-section .card,
.tesla-layout .content-section .stat-card,
.tesla-layout .content-section .kpi-card,
.tesla-layout .content-section .panel,
.tesla-layout .content-section .tile,
.tesla-layout .content-section .widget,
.tesla-layout .content-section .info-card,
.tesla-layout .content-section .summary-card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 14px;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.06);
}

/* Typography refinement */
.tesla-layout .content-section h2,
.tesla-layout .content-section h3 {
  color: #f1f5f9;
  letter-spacing: -0.02em;
}

.tesla-layout .content-section h4,
.tesla-layout .content-section h5 {
  color: #e2e8f0;
  letter-spacing: -0.01em;
}

.tesla-layout .content-section p,
.tesla-layout .content-section label,
.tesla-layout .content-section .text-muted {
  color: #94a3b8;
}

.tesla-layout .content-section span {
  color: #cbd5e1;
}

/* Table styling */
.tesla-layout .content-section table {
  border-collapse: collapse;
  width: 100%;
}

.tesla-layout .content-section table th {
  background: rgba(15, 23, 42, 0.6);
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.tesla-layout .content-section table td {
  color: #cbd5e1;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
}

.tesla-layout .content-section table tr:hover {
  background: rgba(99, 102, 241, 0.04);
}

/* Input styling */
.tesla-layout .content-section input,
.tesla-layout .content-section select,
.tesla-layout .content-section textarea {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.15);
  color: #f1f5f9;
  border-radius: 10px;
  padding: 8px 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tesla-layout .content-section input:focus,
.tesla-layout .content-section select:focus,
.tesla-layout .content-section textarea:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.tesla-layout .content-section input::placeholder,
.tesla-layout .content-section textarea::placeholder {
  color: #64748b;
}

/* Button styling */
.tesla-layout .content-section button,
.tesla-layout .content-section .btn {
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tesla-layout .content-section button:hover,
.tesla-layout .content-section .btn:hover {
  background: rgba(99, 102, 241, 0.22);
  border-color: rgba(99, 102, 241, 0.5);
}

.tesla-layout .content-section .btn-primary {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.3);
  color: #c4b5fd;
}

.tesla-layout .content-section .btn-primary:hover {
  background: rgba(139, 92, 246, 0.28);
  border-color: rgba(139, 92, 246, 0.5);
}

.tesla-layout .content-section .btn-success,
.tesla-layout .content-section .btn-green {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

.tesla-layout .content-section .btn-danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

/* Modal styling */
.tesla-layout .modal-content,
.tesla-layout .modal-body {
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 16px;
  color: #f1f5f9;
}

.tesla-layout .modal-header {
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  color: #f1f5f9;
}

.tesla-layout .modal-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

/* Badge styling */
.tesla-layout .content-section .badge,
.tesla-layout .content-section .tag {
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Scrollbar styling for inline sections */
.tesla-layout .content-section::-webkit-scrollbar {
  width: 6px;
}

.tesla-layout .content-section::-webkit-scrollbar-track {
  background: transparent;
}

.tesla-layout .content-section::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.15);
  border-radius: 3px;
}

.tesla-layout .content-section::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.25);
}