:root {
  --bg-dark: #0a0c10;
  --bg-card: rgba(19, 22, 33, 0.85);
  --bg-card-hover: rgba(28, 33, 48, 0.95);
  --bg-input: #12151f;
  --border-color: #242c3d;
  --border-accent: #3b82f6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-amber: #f59e0b;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-rose: #f43f5e;
  --glass-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: 60px; /* Space for mobile nav */
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* Top Hardware Telemetry Bar */
.telemetry-bar {
  background: rgba(13, 16, 24, 0.95);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 10px;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.brand-title {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.telemetry-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* GPU Status Button - Red when OFF, Green when ON */
.btn-gpu-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-gpu-indicator.gpu-active {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.btn-gpu-indicator.gpu-active:hover {
  background: rgba(16, 185, 129, 0.25);
}

/* RED BUTTON ALERT WHEN RTX IS OFF */
.btn-gpu-indicator.gpu-offline {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: 1px solid #f87171;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.6);
  font-weight: 800;
  animation: pulseRed 1.6s infinite;
}

.btn-gpu-indicator.gpu-offline:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
}

@keyframes pulseRed {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.03); box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.stat-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.stat-icon {
  font-size: 0.95rem;
}

.vram-bar-container {
  width: 70px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-left: 4px;
}

.vram-bar-fill {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, #10b981, #f59e0b);
  transition: width 0.3s;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

.status-pill.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.offline {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

/* Nav Tabs Desktop */
.nav-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(13, 16, 24, 0.6);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

/* Mobile Bottom Navigation Bar (Screens < 768px) */
.mobile-nav-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(13, 16, 24, 0.98);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-color);
  z-index: 1000;
  padding: 6px 8px;
  justify-content: space-around;
}

.mobile-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.68rem;
  gap: 3px;
  padding: 4px 8px;
  cursor: pointer;
}

.mobile-tab-btn.active {
  color: #60a5fa;
  font-weight: 700;
}

.mobile-tab-btn span.icon {
  font-size: 1.25rem;
}

@media (max-width: 768px) {
  .nav-tabs {
    display: none; /* Hidden on mobile in favor of bottom nav */
  }
  .mobile-nav-bar {
    display: flex;
  }
  .telemetry-stats .stat-chip {
    display: none; /* Simplify top bar on mobile */
  }
  .main-content {
    padding: 12px;
  }
  .card {
    padding: 16px;
    border-radius: var(--radius-md);
  }
  .btn-gpu {
    width: 100%;
  }
}

/* Main Container */
.main-content {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Glass Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Form Controls */
.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-1px);
}

.btn-gpu {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
  font-size: 1rem;
  padding: 12px 24px;
}

.btn-gpu:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

/* Presets Tag Cloud */
.presets-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.preset-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.preset-chip:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

/* Checklist Styles */
.checklist-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checklist-step {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.step-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  cursor: pointer;
}

.check-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-emerald);
  margin-top: 2px;
  cursor: pointer;
}

.check-item span.done {
  text-decoration: line-through;
  color: var(--text-dim);
}

/* Progress Bars */
.progress-container {
  height: 8px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 12px 0;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3b82f6, #10b981);
  transition: width 0.3s;
}

/* Table */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.88rem;
}

th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 600;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.badge-candidate {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-review {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-discard {
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.4);
}

/* Scene Card in Video Studio */
.scenes-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 20px 0;
}

.scene-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  position: relative;
  transition: var(--transition);
}

.scene-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
}

.scene-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.scene-badge {
  font-weight: 700;
  color: var(--accent-cyan);
  font-size: 0.9rem;
}

.scene-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* Terminal Console Log */
.console-log {
  background: #06080c;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.82rem;
  color: #38bdf8;
  max-height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
  margin-top: 14px;
}

/* Video Preview Player */
.video-preview-wrapper {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: 20px;
  display: flex;
  justify-content: center;
}

video {
  max-width: 100%;
  max-height: 540px;
  outline: none;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-card {
  background: #11141e;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* Login Gate */
.login-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, #151928 0%, #080a0f 100%);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: rgba(19, 23, 35, 0.95);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  text-align: center;
}