/* 
 * Warframe Squad Relic Sync Engine - Main Design Tokens & Layout
 * Aesthetic: Vitruvian Orokin Archives (The Sacrifice Theme)
 * Deep charcoal obsidian, Vitruvian gold hairline trims, parchment typography, high-density layout
 */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Vitruvian Core Palette */
  --bg-space: #0c0e12;
  --bg-void: #11141a;
  --bg-card: rgba(17, 21, 28, 0.85);
  --bg-card-hover: rgba(24, 29, 39, 0.92);
  --bg-card-inset: rgba(10, 12, 16, 0.75);
  --bg-glass: rgba(15, 18, 24, 0.78);
  
  /* Vitruvian Borders */
  --border-glass: rgba(229, 197, 119, 0.12);
  --border-gold: rgba(229, 197, 119, 0.28);
  --border-gold-subtle: rgba(229, 197, 119, 0.16);
  --border-focus: #e5c577;

  /* Vitruvian Orokin Accents */
  --gold-primary: #e5c577;
  --gold-glow: #f5e2a3;
  --gold-dark: #a88139;
  --bronze-accent: #c99b5d;
  --bronze-dark: #78613e;
  --argent-celestine: #9db4c0;
  --jade-prime: #87aa8e;
  --crimson-alert: #d45353;

  /* Relic Era Colors (Vitruvian Antiqued Scheme) */
  --era-lith: #a69177;
  --era-meso: #94a9b8;
  --era-neo: #cda35b;
  --era-axi: #e5c577;
  --era-requiem: #b84747;

  /* Refinement Tiers */
  --ref-intact: #948a7b;
  --ref-exceptional: #87aa8e;
  --ref-flawless: #9db4c0;
  --ref-radiant: #f3d88b;

  /* Typography */
  --font-orokin: 'Cinzel', serif;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Parchment Text Colors */
  --text-main: #f5efe6;
  --text-muted: #b5aba0;
  --text-faint: #756d61;
  --text-gold: #f5e2a3;
  --text-gold-dim: #c7a760;

  /* Shadows & Glows */
  --glow-gold: 0 0 16px rgba(229, 197, 119, 0.18);
  --glow-gold-sm: 0 0 8px rgba(229, 197, 119, 0.25);
  --shadow-card: 0 6px 20px -4px rgba(0, 0, 0, 0.65);

  /* Compact Radii */
  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-md: 7px;
  --radius-lg: 10px;
  --radius-xl: 14px;
}

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

body {
  background-color: var(--bg-space);
  background-image: 
    radial-gradient(circle at 18% 12%, rgba(229, 197, 119, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 82% 28%, rgba(201, 155, 93, 0.035) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(229, 197, 119, 0.02) 0%, transparent 60%),
    linear-gradient(180deg, rgba(12, 14, 18, 0.98) 0%, var(--bg-space) 100%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Vitruvian Geometric Watermark (Subtle Da Vinci / Orokin Astrolabe Arcs) */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 50% 30%, transparent 280px, rgba(229, 197, 119, 0.015) 281px, transparent 282px),
    radial-gradient(circle at 50% 30%, transparent 450px, rgba(229, 197, 119, 0.012) 451px, transparent 452px),
    linear-gradient(to right, transparent 49.9%, rgba(229, 197, 119, 0.012) 50%, transparent 50.1%);
  pointer-events: none;
  z-index: 0;
}

/* Base Compact Container */
.app-container {
  max-width: 1420px;
  margin: 0 auto;
  padding: 0.65rem 1rem 2.5rem;
  position: relative;
  z-index: 1;
}

/* Glassmorphism Card Style - Vitruvian Hairline Borders */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.glass-panel:hover {
  border-color: rgba(229, 197, 119, 0.25);
}

/* Compact Vitruvian Header & Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.85rem;
  margin-bottom: 0.65rem;
  border: 1px solid var(--border-gold-subtle);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  min-height: 46px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(229, 197, 119, 0.08);
  border: 1px solid var(--gold-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--glow-gold-sm);
}

.brand-icon svg {
  width: 18px;
  height: 18px;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1.1;
}

.brand-title span {
  color: var(--gold-primary);
  font-family: var(--font-orokin);
  letter-spacing: 0.1em;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.1rem 0.4rem;
  background: rgba(229, 197, 119, 0.1);
  border: 1px solid rgba(229, 197, 119, 0.3);
  color: var(--gold-primary);
  border-radius: var(--radius-xs);
  letter-spacing: 0.06em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

/* Vitruvian Compact Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, #e5c577 0%, #c99b5d 100%);
  color: #12141a;
  border-color: #f5e2a3;
  box-shadow: 0 2px 8px rgba(229, 197, 119, 0.25);
  font-weight: 700;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #f5e2a3 0%, #e5c577 100%);
  box-shadow: 0 3px 12px rgba(229, 197, 119, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border-color: var(--border-gold-subtle);
}

.btn-secondary:hover {
  background: rgba(229, 197, 119, 0.08);
  border-color: var(--gold-primary);
  color: var(--text-main);
  transform: translateY(-1px);
}

.btn-cyan {
  background: rgba(229, 197, 119, 0.08);
  color: var(--gold-primary);
  border-color: var(--gold-primary);
}

.btn-cyan:hover {
  background: var(--gold-primary);
  color: #10131a;
  box-shadow: var(--glow-gold-sm);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
}

.btn-icon-only {
  padding: 0.35rem;
  border-radius: var(--radius-sm);
}

/* Animations */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Vitruvian Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #0f1217;
}

::-webkit-scrollbar-thumb {
  background: rgba(229, 197, 119, 0.25);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gold-primary);
}

/* Utilities */
.text-gold { color: var(--gold-primary); }
.text-muted { color: var(--text-muted); }
.text-faint { color: var(--text-faint); }
.font-display { font-family: var(--font-display); }
.font-orokin { font-family: var(--font-orokin); }

/* Responsive adjustments */
@media (max-width: 900px) {
  .app-container {
    padding: 0.5rem 0.65rem 2rem;
  }
  .navbar {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .nav-actions {
    width: 100%;
    justify-content: flex-end;
  }
}