/* ============================================================
   ASTRA X — NIYUKTI: TALENT INTELLIGENCE
   Master Design System & CSS Design Tokens
   Philosophy: "Right People. Right Skills. Real Opportunities."
   Visual Foundations: Ivory, Sandstone, Ink, Indigo, Saffron, Copper, Teal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..800;1,9..144,300..800&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Foundation Colors (Light Theme — Ivory / Sandstone) */
  --astra-ivory: #FDF7EC;
  --astra-sandstone: #EADDCB;
  --astra-sandstone-light: #F7EFE2;
  --astra-sandstone-subtle: #F3E9DA;
  --astra-sandstone-border: #D8CEB8;

  --astra-ink: #1F2A37;
  --astra-ink-muted: #5C5449;
  --astra-ink-faint: #8A8175;

  --astra-indigo: #1E3A8A;
  --astra-indigo-light: #3B82F6;
  --astra-indigo-subtle: rgba(30, 58, 138, 0.08);

  --astra-copper: #B87333;
  --astra-copper-light: #D48946;
  --astra-copper-dark: #8A5222;
  --astra-copper-subtle: rgba(184, 115, 51, 0.12);

  --niyukti-saffron: #F59E0B;
  --niyukti-saffron-light: #FCD34D;
  --niyukti-saffron-dark: #B45309;
  --niyukti-saffron-subtle: rgba(245, 158, 11, 0.10);

  --niyukti-teal: #0F766E;
  --niyukti-teal-light: #14B8A6;
  --niyukti-teal-dark: #0D5C56;
  --niyukti-teal-subtle: rgba(15, 118, 110, 0.10);

  /* Semantic State Colors */
  --semantic-success: #166534;
  --semantic-success-subtle: #DCFCE7;
  --semantic-warning: #B4552D;
  --semantic-warning-subtle: #FFEDD5;
  --semantic-critical: #DC2626;
  --semantic-critical-subtle: #FEE2E2;
  --semantic-info: #2563EB;
  --semantic-info-subtle: #EFF6FF;
  --semantic-neutral: #64748B;
  --semantic-neutral-subtle: #F1F5F9;

  /* Surfaces & Canvas (Light Theme) */
  --bg-base: #FDF7EC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F7EFE2;
  --bg-surface-hover: #F3E9DA;
  --border-subtle: #EADDCB;
  --border-strong: #D8CEB8;
  --border-accent: rgba(184, 115, 51, 0.35);

  --text-main: #1F2A37;
  --text-muted: #5C5449;
  --text-faint: #8A8175;
  --text-inverse: #FDF7EC;

  /* Geometry & Spacing Grid */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-subtle: 0 1px 3px rgba(31, 42, 55, 0.04), 0 1px 2px rgba(31, 42, 55, 0.02);
  --shadow-card: 0 2px 6px rgba(31, 42, 55, 0.05), 0 1px 2px rgba(31, 42, 55, 0.03);
  --shadow-elevated: 0 10px 25px -5px rgba(31, 42, 55, 0.08), 0 8px 10px -6px rgba(31, 42, 55, 0.04);

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Geist Mono', monospace;

  color-scheme: light;
}

/* ============================================================
   DARK THEME ("ASTRA X AT NIGHT")
   Surfaces: Deep Ink, Charcoal, Muted Copper, Saffron, Teal
   ============================================================ */

.dark, html.dark {
  --bg-base: #0F1720;
  --bg-surface: #17212B;
  --bg-surface-elevated: #1D2935;
  --bg-surface-hover: #243342;
  --border-subtle: #253342;
  --border-strong: #334457;
  --border-accent: rgba(200, 138, 82, 0.4);

  --text-main: #F8F1E5;
  --text-muted: #CBD5E1;
  --text-faint: #94A3B8;
  --text-inverse: #0F1720;

  --astra-indigo: #5B7CCB;
  --astra-indigo-light: #93C5FD;
  --astra-indigo-subtle: rgba(91, 124, 203, 0.16);

  --astra-copper: #C88A52;
  --astra-copper-light: #E0A976;
  --astra-copper-dark: #A66835;
  --astra-copper-subtle: rgba(200, 138, 82, 0.16);

  --niyukti-saffron: #F3A52F;
  --niyukti-saffron-light: #FCD34D;
  --niyukti-saffron-subtle: rgba(243, 165, 47, 0.14);

  --niyukti-teal: #38A39B;
  --niyukti-teal-light: #5EEAD4;
  --niyukti-teal-subtle: rgba(56, 163, 155, 0.14);

  --semantic-success: #22C55E;
  --semantic-success-subtle: rgba(34, 197, 94, 0.15);
  --semantic-warning: #F59E0B;
  --semantic-warning-subtle: rgba(245, 158, 11, 0.15);
  --semantic-critical: #EF4444;
  --semantic-critical-subtle: rgba(239, 68, 68, 0.15);
  --semantic-info: #60A5FA;
  --semantic-info-subtle: rgba(96, 165, 250, 0.15);

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 3px 8px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 12px 30px rgba(0, 0, 0, 0.55);

  color-scheme: dark;
}

/* ============================================================
   GLOBAL RESET & FOUNDATIONS
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Typography Classes */
.font-display {
  font-family: var(--font-display);
}

.font-serif {
  font-family: var(--font-display);
}

.font-sans {
  font-family: var(--font-sans);
}

.font-mono {
  font-family: var(--font-mono);
}

/* ============================================================
   ASTRA GEOMETRY & ARCHITECTURAL MOTIFS (Low Opacity: 3-8%)
   ============================================================ */

/* Fine 32px Cartesian Grid */
.astra-grid-bg {
  background-image: 
    linear-gradient(to right, rgba(184, 115, 51, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(184, 115, 51, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

.dark .astra-grid-bg {
  background-image: 
    linear-gradient(to right, rgba(200, 138, 82, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200, 138, 82, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Subtle Jaali Lattice (Architectural Screen) */
.astra-jaali-bg {
  background-image: 
    radial-gradient(circle at center, rgba(184, 115, 51, 0.06) 1.5px, transparent 1.5px),
    radial-gradient(circle at 16px 16px, rgba(30, 58, 138, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.dark .astra-jaali-bg {
  background-image: 
    radial-gradient(circle at center, rgba(200, 138, 82, 0.08) 1.5px, transparent 1.5px),
    radial-gradient(circle at 16px 16px, rgba(91, 124, 203, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Astra Sutra Line (Telemetry Divider with Centered Bindu Diamond) */
.astra-sutra-line {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-strong) 20%, var(--border-strong) 80%, transparent 100%);
  margin: 1.5rem 0;
}

.astra-sutra-line::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 7px;
  height: 7px;
  background-color: var(--astra-copper);
  border: 1.5px solid var(--bg-surface);
}

/* Bindu Diamond Marker */
.astra-bindu {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--astra-copper);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.astra-bindu-saffron {
  background-color: var(--niyukti-saffron);
}

.astra-bindu-teal {
  background-color: var(--niyukti-teal);
}

/* ============================================================
   SURFACE CONTAINERS & CARDS (Tamrapatra Philosophy)
   ============================================================ */

.astra-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.astra-card:hover {
  border-color: var(--border-strong);
}

.astra-card-interactive:hover {
  border-color: var(--astra-copper);
  box-shadow: var(--shadow-card);
  transform: translateY(-1px);
}

.astra-card-elevated {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.astra-card-accent {
  border-left: 3px solid var(--astra-copper);
}

.astra-card-saffron {
  border-left: 3px solid var(--niyukti-saffron);
}

.astra-card-teal {
  border-left: 3px solid var(--niyukti-teal);
}

/* ============================================================
   BUTTONS & ACTION ELEMENTS
   ============================================================ */

.astra-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
  text-decoration: none;
  white-space: nowrap;
}

.astra-btn-primary {
  background-color: var(--astra-indigo);
  color: #FFFFFF;
  border-color: var(--astra-indigo);
  box-shadow: 0 1px 2px rgba(30, 58, 138, 0.2);
}

.astra-btn-primary:hover {
  background-color: #172554;
  border-color: #172554;
  box-shadow: 0 3px 6px rgba(30, 58, 138, 0.3);
}

.dark .astra-btn-primary {
  background-color: var(--astra-indigo);
  color: #F8F1E5;
  border-color: var(--astra-indigo);
}

.dark .astra-btn-primary:hover {
  background-color: #4364B4;
  border-color: #4364B4;
}

.astra-btn-copper {
  background-color: var(--astra-copper);
  color: #FFFFFF;
  border-color: var(--astra-copper);
}

.astra-btn-copper:hover {
  background-color: var(--astra-copper-dark);
  border-color: var(--astra-copper-dark);
}

.astra-btn-saffron {
  background-color: var(--niyukti-saffron);
  color: #1F2A37;
  border-color: var(--niyukti-saffron);
  font-weight: 600;
}

.astra-btn-saffron:hover {
  background-color: #D97706;
  color: #FFFFFF;
}

.astra-btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-strong);
}

.astra-btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--text-muted);
}

.astra-btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.astra-btn-ghost:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-main);
}

.astra-btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.775rem;
  border-radius: var(--radius-sm);
}

.astra-btn-lg {
  padding: 0.75rem 1.6rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* ============================================================
   BADGES, TAGS & STATUS PILLS
   ============================================================ */

.astra-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface-elevated);
  color: var(--text-muted);
  line-height: 1.2;
}

.astra-badge-indigo {
  background-color: var(--astra-indigo-subtle);
  border-color: rgba(30, 58, 138, 0.25);
  color: var(--astra-indigo);
}

.astra-badge-copper {
  background-color: var(--astra-copper-subtle);
  border-color: rgba(184, 115, 51, 0.3);
  color: var(--astra-copper);
}

.astra-badge-saffron {
  background-color: var(--niyukti-saffron-subtle);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--niyukti-saffron-dark);
}

.dark .astra-badge-saffron {
  color: var(--niyukti-saffron);
}

.astra-badge-teal {
  background-color: var(--niyukti-teal-subtle);
  border-color: rgba(15, 118, 110, 0.3);
  color: var(--niyukti-teal);
}

.astra-badge-success {
  background-color: var(--semantic-success-subtle);
  border-color: rgba(22, 101, 52, 0.25);
  color: var(--semantic-success);
}

.astra-badge-critical {
  background-color: var(--semantic-critical-subtle);
  border-color: rgba(220, 38, 38, 0.25);
  color: var(--semantic-critical);
}

/* Skill Chip */
.astra-skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.775rem;
  font-weight: 500;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: all 0.15s ease;
}

.astra-skill-chip:hover {
  border-color: var(--astra-copper);
  background-color: var(--bg-surface-hover);
}

.astra-skill-matched {
  background-color: var(--semantic-success-subtle);
  border-color: rgba(22, 101, 52, 0.3);
  color: var(--semantic-success);
}

.astra-skill-missing {
  background-color: var(--semantic-critical-subtle);
  border-color: rgba(220, 38, 38, 0.3);
  color: var(--semantic-critical);
}

/* ============================================================
   FORM INPUTS & SELECTS
   ============================================================ */

.astra-input, .astra-select, .astra-textarea {
  width: 100%;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--text-main);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.astra-input:focus, .astra-select:focus, .astra-textarea:focus {
  border-color: var(--astra-copper);
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.15);
}

.dark .astra-input:focus, .dark .astra-select:focus, .dark .astra-textarea:focus {
  box-shadow: 0 0 0 3px rgba(200, 138, 82, 0.2);
}

/* ============================================================
   TABLES & DATA MATRICES
   ============================================================ */

.astra-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
}

.astra-table th {
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background-color: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-strong);
  text-align: left;
}

.astra-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

.astra-table tr:hover td {
  background-color: var(--bg-surface-hover);
}

/* ============================================================
   ACCESSIBILITY & SCROLLBARS
   ============================================================ */

:focus-visible {
  outline: 2px solid var(--astra-copper);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--astra-copper);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}