:root {
  --bg: #0f172a;
  --bg-gradient: radial-gradient(circle at top left, #1e293b, #0f172a);
  --surface: #1e293b;
  --surface-2: #334155;
  --surface-3: #475569;
  --border: #334155;
  --border-light: rgba(255,255,255,0.05);
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --accent: #6366f1;
  --accent-secondary: #a855f7;
  --accent-hover: #818cf8;
  --accent-light: rgba(99, 102, 241, 0.1);
  --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
  --shadow-glow: 0 0 15px rgba(99, 102, 241, 0.4);
  --radius: 14px;
}

body {
  background: var(--bg);
  background-image: var(--bg-gradient);
  color: var(--text);
}

.panel, .card, .stat-card {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
}

.topbar {
  background: rgba(15, 23, 42, 0.8) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border) !important;
}

.brand-mark {
  background: var(--accent-gradient);
  box-shadow: var(--shadow-glow);
}

.pill {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.btn-primary {
  background: var(--accent-gradient);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  filter: brightness(1.1);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--surface-3);
  border-color: var(--gray-400);
}

.topnav a {
  color: var(--text-secondary);
}

.topnav a:hover, .topnav a.active {
  background: var(--accent-light) !important;
  color: var(--text) !important;
}

.topnav a.active {
  border: 1px solid var(--accent);
}

.input, .textarea, .select {
  background: rgba(15, 23, 42, 0.5);
  border-color: var(--border);
  color: var(--text);
}

.input:focus, .textarea:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.guide-panel {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%) !important;
  border-color: var(--border) !important;
}

.guide-item .guide-label {
  color: var(--text-tertiary);
}

.guide-item .guide-value {
  color: var(--text);
}

.table-wrap {
  background: var(--surface);
  border-color: var(--border);
}

table th {
  background: #0f172a;
  color: var(--text-tertiary);
}

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

.alert {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--border);
}

.alert.success { background: rgba(16, 185, 129, 0.1); border-color: var(--success-500); color: #6ee7b7; }
.alert.error { background: rgba(239, 68, 68, 0.1); border-color: var(--error-500); color: #fca5a5; }
.alert.warning { background: rgba(245, 158, 11, 0.1); border-color: var(--warning-500); color: #fcd34d; }

.ai-sparkles {
  color: var(--accent-secondary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
  100% { opacity: 0.6; transform: scale(1); }
}

@keyframes pulse-border {
  0% { border-color: var(--primary); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
  70% { border-color: var(--accent); box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
  100% { border-color: var(--primary); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.ai-guide-card {
  animation: pulse-border 3s infinite;
  border: 2px solid var(--primary) !important;
  background: rgba(99, 102, 241, 0.05) !important;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  z-index: 1000;
  overflow: hidden;
  margin-top: 8px;
  backdrop-filter: blur(12px);
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.dropdown-item:hover {
  background: var(--accent-light);
  color: var(--text);
}

/* ── Dope Tabs ────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  padding-bottom: 1px;
  overflow-x: auto;
}

.tab-item {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: all 0.3s ease;
  white-space: nowrap;
  text-decoration: none !important;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  border-bottom: none;
  margin-bottom: -1px;
}

.tab-item i {
  font-size: 14px;
  transition: transform 0.3s ease;
}

.tab-item:hover {
  color: var(--text);
  background: var(--surface-2);
}

.tab-item:hover i {
  transform: translateY(-1px);
}

.tab-item.active {
  color: #fff;
  background: var(--accent-gradient);
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 -4px 12px rgba(99, 102, 241, 0.3);
}

/* ── Project Specifics ───────────────────────────────────── */
.project-header {
  margin-bottom: 32px;
  padding-bottom: 12px;
}

.kicker {
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-secondary);
  margin-bottom: 4px;
}

.secondary {
  color: var(--text-tertiary);
  font-size: 13px;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s;
}

.list-item:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--surface-3);
  transform: translateX(4px);
}

.list-item .primary {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.list-item .secondary {
  font-size: 13px;
  color: var(--text-secondary);
}