@tailwind base;
@tailwind components;
@tailwind utilities;

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-void:      #04040A;
  --bg-surface-0: #080812;
  --bg-surface-1: #0D0D1A;
  --bg-surface-2: #111122;
  --bg-surface-3: #151528;

  --accent-cyan:   #00F5D4;
  --accent-purple:    #8B5CF6;
  --accent-amber:     #F59E0B;

  --accent-cyan-10:   rgba(0, 245, 212, 0.10);
  --accent-cyan-20:   rgba(0, 245, 212, 0.20);
  --accent-cyan-30:   rgba(0, 245, 212, 0.30);
  --accent-purple-10: rgba(139, 92, 246, 0.10);
  --accent-purple-20: rgba(139, 92, 246, 0.20);
  --accent-amber-10:  rgba(245, 158, 11, 0.10);
  --accent-amber-20:  rgba(245, 158, 11, 0.20);

  --text-primary:   #F0F0FF;
  --text-secondary: #8890AA;
  --text-muted:     #4A4F6A;

  --glass-bg:           rgba(13, 13, 26, 0.55);
  --glass-bg-hover:     rgba(17, 17, 34, 0.70);
  --glass-border:       rgba(100, 110, 180, 0.12);
  --glass-border-hover: rgba(100, 110, 180, 0.22);
  --glass-blur:         20px;

  --glow-cyan:   rgba(0, 245, 212, 0.18);
  --glow-purple: rgba(139, 92, 246, 0.18);
  --glow-amber:  rgba(245, 158, 11, 0.18);

  --error: #EF4444;
  --error-dim: rgba(239, 68, 68, 0.15);

  --transition-fast:    150ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-default: 250ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow:    400ms cubic-bezier(0.25, 1, 0.5, 1);
}

@layer base {
  html {
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
  }

  body {
    background-color: var(--bg-void);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
  }

  input, textarea, select {
    background-color: var(--bg-surface-1);
    color: var(--text-primary);
    border-color: var(--glass-border);
  }

  input::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
  }

  code, pre, kbd, samp {
    font-family: 'JetBrains Mono', monospace;
  }

  ::-webkit-scrollbar       { width: 4px; height: 4px; }
  ::-webkit-scrollbar-track { background: var(--bg-surface-0); }
  ::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 2px;
    transition: background var(--transition-default);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan-30);
  }

  ::selection {
    background: var(--accent-cyan-20);
    color: var(--text-primary);
  }

  :focus-visible {
    outline: 1.5px solid var(--accent-cyan);
    outline-offset: 3px;
    border-radius: 4px;
  }
}

@layer components {
  .glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition:
      background var(--transition-default),
      border-color var(--transition-default),
      box-shadow var(--transition-default);
  }

  .glass:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
  }

  .glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: 1rem;
    transition:
      background var(--transition-default),
      border-color var(--transition-default),
      box-shadow var(--transition-slow),
      transform var(--transition-slow);
  }

  .glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  }

  .glass-panel {
    background: rgba(8, 8, 18, 0.75);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(32px) saturate(180%);
    -webkit-backdrop-filter: blur(32px) saturate(180%);
  }

  .text-gradient {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .text-gradient-warm {
    background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .glow-cyan {
    box-shadow:
      0 0 20px var(--glow-cyan),
      0 0 60px rgba(0, 245, 212, 0.06);
  }

  .glow-purple {
    box-shadow:
      0 0 20px var(--glow-purple),
      0 0 60px rgba(139, 92, 246, 0.06);
  }

  .glow-amber {
    box-shadow:
      0 0 20px var(--glow-amber),
      0 0 40px rgba(245, 158, 11, 0.05);
  }

  .text-glow-cyan   { text-shadow: 0 0 16px var(--glow-cyan); }
  .text-glow-purple { text-shadow: 0 0 16px var(--glow-purple); }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    background: var(--accent-cyan);
    color: var(--bg-void);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    transition:
      background var(--transition-fast),
      box-shadow var(--transition-default),
      transform var(--transition-fast);
    box-shadow: 0 0 20px var(--glow-cyan);
  }

  .btn-primary:hover {
    background: #00dbbe;
    transform: translateY(-1px);
    box-shadow: 0 0 30px var(--accent-cyan-30), 0 4px 20px rgba(0, 0, 0, 0.4);
  }

  .btn-primary:active {
    transform: translateY(0);
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition:
      border-color var(--transition-fast),
      color var(--transition-fast),
      background var(--transition-fast);
  }

  .btn-ghost:hover {
    border-color: var(--accent-cyan-30);
    color: var(--accent-cyan);
    background: var(--accent-cyan-10);
  }

  .input-glass {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-surface-1);
    border: 1px solid var(--glass-border);
    border-radius: 0.625rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    transition:
      border-color var(--transition-fast),
      box-shadow var(--transition-fast);
    outline: none;
  }

  .input-glass::placeholder {
    color: var(--text-muted);
  }

  .input-glass:focus {
    border-color: var(--accent-cyan-30);
    box-shadow: 0 0 0 3px var(--accent-cyan-10);
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: 0.75rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition:
      color var(--transition-fast),
      background var(--transition-fast);
    position: relative;
  }

  .nav-item:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
  }

  .nav-item.active {
    color: var(--accent-cyan);
    background: var(--accent-cyan-10);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .badge-cyan {
    background: var(--accent-cyan-10);
    border: 1px solid var(--accent-cyan-20);
    color: var(--accent-cyan);
  }

  .badge-purple {
    background: var(--accent-purple-10);
    border: 1px solid var(--accent-purple-20);
    color: var(--accent-purple);
  }

  .divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  }
}

/* ── Legacy Tailwind class overrides ──────────────────────────────────── */
.bg-white { background-color: var(--bg-surface-1) !important; }
.bg-gray-50,
.bg-gray-100 { background-color: var(--bg-surface-0) !important; }
.bg-gray-200 { background-color: var(--bg-surface-2) !important; }

.text-gray-900,
.text-gray-800 { color: var(--text-primary) !important; }
.text-gray-700 { color: var(--text-secondary) !important; }
.text-gray-600,
.text-gray-500 { color: var(--text-muted) !important; }
.text-gray-400,
.text-gray-300 { color: var(--text-muted) !important; }
.text-gray-200 { color: var(--text-muted) !important; }

.border-gray-200,
.border-gray-100,
.border-gray-300 { border-color: var(--glass-border) !important; }

.divide-gray-100 > * + *,
.divide-gray-200 > * + * { border-color: var(--glass-border) !important; }

.hover\:bg-gray-50:hover,
.hover\:bg-gray-100:hover { background-color: var(--bg-surface-1) !important; }
.hover\:bg-gray-200:hover { background-color: var(--bg-surface-2) !important; }
.hover\:text-gray-900:hover { color: var(--text-primary) !important; }
.hover\:text-gray-700:hover { color: var(--text-secondary) !important; }
.hover\:border-gray-300:hover { border-color: var(--glass-border) !important; }

.bg-teal-50 { background-color: var(--accent-cyan-10) !important; }
.bg-teal-100 { background-color: rgba(0, 245, 212, 0.12) !important; }
.bg-teal-200 { background-color: var(--accent-cyan-20) !important; }
.border-teal-200 { border-color: var(--accent-cyan-20) !important; }
.border-teal-300,
.hover\:border-teal-300:hover { border-color: var(--accent-cyan-30) !important; }
.text-teal-600 { color: var(--accent-cyan) !important; }
.text-teal-700,
.text-teal-800 { color: var(--accent-cyan) !important; }
.hover\:text-teal-700:hover,
.hover\:text-teal-800:hover { color: var(--accent-cyan) !important; }
.hover\:bg-teal-50:hover { background-color: var(--accent-cyan-10) !important; }
.bg-teal-500 { background-color: var(--accent-cyan) !important; }
.bg-teal-600 { background-color: var(--accent-cyan) !important; }
.hover\:bg-teal-700:hover { background-color: var(--accent-cyan) !important; }

.bg-red-50 { background-color: rgba(248, 113, 113, 0.1) !important; }
.bg-red-100 { background-color: rgba(248, 113, 113, 0.12) !important; }
.text-red-500,
.text-red-600,
.text-red-700,
.text-red-800,
.text-red-900 { color: #F87171 !important; }
.border-red-200 { border-color: rgba(248, 113, 113, 0.2) !important; }

.bg-amber-50 { background-color: rgba(245, 158, 11, 0.1) !important; }
.text-amber-500,
.text-amber-600,
.text-amber-700,
.text-amber-800,
.text-amber-900 { color: #FBBF24 !important; }
.border-amber-200 { border-color: rgba(251, 191, 36, 0.2) !important; }
.hover\:bg-amber-100:hover { background-color: rgba(245, 158, 11, 0.15) !important; }

.bg-blue-50 { background-color: rgba(96, 165, 250, 0.1) !important; }
.bg-blue-100 { background-color: rgba(96, 165, 250, 0.12) !important; }
.text-blue-600 { color: #60A5FA !important; }
.text-blue-700,
.text-blue-800 { color: #60A5FA !important; }
.hover\:bg-blue-100:hover { background-color: rgba(96, 165, 250, 0.15) !important; }

.bg-purple-50 { background-color: rgba(167, 139, 250, 0.08) !important; }
.text-purple-600 { color: #A78BFA !important; }

.focus\:border-teal-500:focus { border-color: var(--accent-cyan) !important; }
.focus\:ring-teal-200 { --tw-ring-color: var(--accent-cyan-20) !important; }
.shadow-sm { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important; }
.shadow-md,
.shadow-xl { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5) !important; }

.from-teal-50 { --tw-gradient-from: var(--bg-surface-1) !important; }
.to-teal-50 { --tw-gradient-to: var(--bg-surface-1) !important; }

@layer utilities {
  .bg-grid {
    background-image:
      linear-gradient(rgba(100, 110, 255, 0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(100, 110, 255, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
  }

  .bg-dots {
    background-image: radial-gradient(rgba(100, 110, 255, 0.15) 1px, transparent 1px);
    background-size: 24px 24px;
  }

  .bg-vignette {
    background: radial-gradient(
      ellipse 80% 80% at 50% 50%,
      transparent 20%,
      rgba(4, 4, 10, 0.6) 65%,
      rgba(4, 4, 10, 0.97) 100%
    );
  }

  .glow-accent {
    box-shadow:
      0 0 20px rgba(0, 245, 212, 0.18),
      0 0 60px rgba(0, 245, 212, 0.06);
  }

  .scan-line {
    position: relative;
    overflow: hidden;
  }

  .scan-line::after {
    content: '';
    position: absolute;
    inset-inline: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.6;
    animation: scan 2.5s ease-in-out infinite;
    pointer-events: none;
  }

  .noise {
    position: relative;
  }

  .noise::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 0;
  }

  .canvas-host {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
  }
}

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