/* =============================================
   TestMu AI — Competitor Analytics Dashboard
   Design System & Global Styles
   ============================================= */

/* ---- CSS Custom Properties ---- */
:root {
  /* Brand Colors */
  --brand-black: #0a0a0a;
  --brand-dark: #111111;
  --brand-card: #1a1a1a;
  --brand-surface: #222222;
  --brand-border: #2e2e2e;
  --brand-muted: #888888;
  --brand-text: #e8e8e8;
  --brand-white: #ffffff;
  
  /* Accent Palette */
  --accent-primary: #6c5ce7;
  --accent-primary-glow: rgba(108, 92, 231, 0.25);
  --accent-blue: #0984e3;
  --accent-cyan: #00cec9;
  --accent-green: #00b894;
  --accent-yellow: #fdcb6e;
  --accent-orange: #e17055;
  --accent-red: #d63031;
  --accent-pink: #e84393;
  --accent-teal: #00b4d8;

  /* Chart Colors */
  --chart-1: #6c5ce7;
  --chart-2: #0984e3;
  --chart-3: #00cec9;
  --chart-4: #00b894;
  --chart-5: #fdcb6e;
  --chart-6: #e17055;
  --chart-7: #d63031;
  --chart-8: #e84393;
  --chart-9: #a29bfe;
  --chart-10: #74b9ff;
  --chart-11: #55efc4;
  --chart-12: #fab1a0;

  /* Glassmorphism */
  --glass-bg: rgba(26, 26, 26, 0.7);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-blur: blur(20px);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--brand-black);
  color: var(--brand-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--brand-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--brand-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-muted);
}

/* ---- Top Header / Navbar ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
}

.navbar-logo svg {
  width: 36px;
  height: 36px;
}

.navbar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-white);
  letter-spacing: -0.02em;
}

.navbar-subtitle {
  font-size: 0.7rem;
  color: var(--brand-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---- Tab Navigation ---- */
.tab-nav {
  display: flex;
  gap: var(--space-xs);
  background: var(--brand-surface);
  padding: 4px;
  border-radius: var(--radius-full);
}

.tab-btn {
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--brand-muted);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.tab-btn.active {
  color: var(--brand-white);
  background: var(--accent-primary);
  box-shadow: 0 2px 12px rgba(108, 92, 231, 0.35);
}

/* ---- Dashboard Container ---- */
.dashboard-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.dashboard-page {
  display: none;
  animation: fadeIn 0.4s ease;
}

.dashboard-page.active {
  display: block;
}

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

/* ---- Page Header ---- */
.page-header {
  margin-bottom: var(--space-xl);
}

.page-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--brand-white);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.page-header p {
  color: var(--brand-muted);
  font-size: 0.9rem;
}

/* ---- Filter Bar ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 160px;
  flex: 1;
}

.filter-group label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-muted);
}

.filter-group select,
.filter-group input {
  padding: var(--space-sm) var(--space-md);
  background: var(--brand-surface);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-sm);
  color: var(--brand-text);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  appearance: none;
  -webkit-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 d='M3 5l3 3 3-3' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.filter-group select option {
  background: var(--brand-dark);
  color: var(--brand-text);
}

.filter-reset-btn {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-sm);
  color: var(--brand-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-reset-btn:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

/* ---- KPI Cards ---- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.kpi-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kpi-accent, var(--accent-primary)), transparent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(108, 92, 231, 0.2);
}

.kpi-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-muted);
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--brand-white);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.kpi-sub {
  font-size: 0.78rem;
  color: var(--brand-muted);
  margin-top: var(--space-xs);
}

.kpi-icon {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(108, 92, 231, 0.12);
}

/* ---- Chart Cards ---- */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.chart-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.chart-card:hover {
  border-color: rgba(108, 92, 231, 0.15);
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.chart-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand-white);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.chart-title .icon {
  font-size: 1rem;
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 300px;
}

.chart-wrapper canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ---- Data Table ---- */
.data-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  background: var(--brand-surface);
  color: var(--brand-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  padding: var(--space-md);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--brand-border);
}

.data-table td {
  padding: var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--brand-text);
  vertical-align: top;
  max-width: 250px;
}

.data-table tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(108, 92, 231, 0.06);
}

.data-table .company-cell {
  font-weight: 600;
  color: var(--brand-white);
  white-space: nowrap;
}

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-seed {
  background: rgba(253, 203, 110, 0.15);
  color: var(--accent-yellow);
  border: 1px solid rgba(253, 203, 110, 0.25);
}

.badge-series-a {
  background: rgba(9, 132, 227, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(9, 132, 227, 0.25);
}

.badge-series-b {
  background: rgba(0, 206, 201, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 206, 201, 0.25);
}

.badge-acquired {
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(108, 92, 231, 0.25);
}

.badge-enterprise {
  background: rgba(0, 184, 148, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(0, 184, 148, 0.25);
}

.badge-tech {
  background: rgba(9, 132, 227, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(9, 132, 227, 0.25);
}

.badge-nontech {
  background: rgba(0, 184, 148, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(0, 184, 148, 0.25);
}

.badge-marketing {
  background: rgba(253, 203, 110, 0.15);
  color: var(--accent-yellow);
  border: 1px solid rgba(253, 203, 110, 0.25);
}

.badge-location {
  background: rgba(255,255,255,0.06);
  color: var(--brand-muted);
  border: 1px solid rgba(255,255,255,0.08);
}

/* ---- Company Tiles (Dashboard 3) ---- */
.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.company-tile {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.company-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.08), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.company-tile:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 92, 231, 0.3);
  box-shadow: var(--shadow-glow);
}

.company-tile:hover::after {
  opacity: 1;
}

.tile-avatar {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--brand-white);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.tile-name {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--brand-white);
  margin-bottom: var(--space-xs);
  position: relative;
  z-index: 1;
}

.tile-desc {
  font-size: 0.8rem;
  color: var(--brand-muted);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.tile-meta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.tile-arrow {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(108, 92, 231, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 0.85rem;
  transition: all var(--transition-base);
  z-index: 1;
}

.company-tile:hover .tile-arrow {
  background: var(--accent-primary);
  color: var(--brand-white);
  transform: translateX(3px);
}

/* ---- Detail Modal ---- */
.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.detail-overlay.open {
  display: block;
  opacity: 1;
}

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(680px, 92vw);
  height: 100vh;
  background: var(--brand-dark);
  border-left: 1px solid var(--brand-border);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.detail-panel.open {
  transform: translateX(0);
}

.detail-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--brand-border);
  position: sticky;
  top: 0;
  background: var(--brand-dark);
  z-index: 10;
}

.detail-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--brand-border);
  background: transparent;
  color: var(--brand-muted);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.detail-close-btn:hover {
  background: var(--accent-red);
  color: var(--brand-white);
  border-color: transparent;
}

.detail-panel-body {
  padding: var(--space-xl);
  flex: 1;
}

.detail-company-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--brand-white);
}

.detail-section {
  margin-bottom: var(--space-xl);
}

.detail-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--brand-border);
}

.detail-field {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.detail-field-label {
  min-width: 120px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--brand-muted);
  flex-shrink: 0;
}

.detail-field-value {
  font-size: 0.85rem;
  color: var(--brand-text);
  line-height: 1.5;
}

.detail-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--accent-primary), #5a4bd1);
  color: var(--brand-white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.detail-pdf-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
}

/* ---- Talent Pipeline Specific ---- */
.talent-insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.insight-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.insight-card .chart-wrapper {
  height: 280px;
}

.recruiter-tip {
  background: rgba(108, 92, 231, 0.08);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-md);
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--brand-text);
  line-height: 1.5;
}

.signal-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
}

.signal-growth {
  background: rgba(0, 184, 148, 0.12);
  color: var(--accent-green);
}

.signal-risk {
  background: rgba(214, 48, 49, 0.12);
  color: var(--accent-red);
}

.signal-neutral {
  background: rgba(255,255,255,0.06);
  color: var(--brand-muted);
}

/* ---- Role Pills ---- */
.role-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.role-pill {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 500;
  background: rgba(255,255,255,0.05);
  color: var(--brand-text);
  border: 1px solid rgba(255,255,255,0.08);
}

/* ---- Talent Detail Expand ---- */
.talent-expand {
  background: var(--brand-surface);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-md);
  border: 1px solid var(--brand-border);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 600px; }
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--brand-muted);
}

.empty-state .icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .charts-grid,
  .talent-insights-grid {
    grid-template-columns: 1fr;
  }
  .tab-nav {
    overflow-x: auto;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
  }
  .dashboard-container {
    padding: var(--space-md);
  }
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .tiles-grid {
    grid-template-columns: 1fr;
  }
  .filter-bar {
    flex-direction: column;
  }
  .filter-group {
    min-width: unset;
  }
}

@media (max-width: 480px) {
  .kpi-row {
    grid-template-columns: 1fr;
  }
  .tab-btn {
    font-size: 0.75rem;
    padding: var(--space-sm) var(--space-md);
  }
}