/* Import Google Fonts for trust and professionalism */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* Canonical theme tokens (colour + font-role CSS variables). Must precede the
   Tailwind layers so the var-backed utility colours resolve. */
@import './styles/tokens.css';

/* Tailwind CSS imports */
@tailwind base;
@tailwind components;
@tailwind utilities;

/* Base layer - Typography and fundamental styles */
@layer base {
  /* Set default font and improve text rendering */
  html {
    /* Body font role — themeable via styles/tokens.css (--font-body) */
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    color: var(--color-text-primary);
  }

  body {
    @apply font-sans;
    line-height: 1.6;

    /* Themes may supply a decorative `--app-gradient`; fall back to the flat
       canvas colour when they don't. */
    background: var(--app-gradient, var(--color-background));
    color: var(--color-text-primary);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }

  html[data-window='overlay'],
  html[data-window='overlay'] body,
  html[data-window='overlay'] #root,
  html[data-window='mascot'],
  html[data-window='mascot'] body,
  html[data-window='mascot'] #root,
  html[data-window='notch'],
  html[data-window='notch'] body,
  html[data-window='notch'] #root {
    background: transparent;
    overflow: hidden;
    user-select: none;
  }

  @keyframes notch-pill-in {
    from {
      opacity: 0;
      transform: scaleX(0.4) scaleY(0.7);
    }
    to {
      opacity: 1;
      transform: scaleX(1) scaleY(1);
    }
  }

  @keyframes notch-bar {
    0%,
    100% {
      transform: scaleY(0.5);
      opacity: 0.6;
    }
    50% {
      transform: scaleY(1.2);
      opacity: 1;
    }
  }

  @keyframes notch-dot {
    0%,
    80%,
    100% {
      transform: scale(0.6);
      opacity: 0.4;
    }
    40% {
      transform: scale(1);
      opacity: 1;
    }
  }

  @keyframes overlay-bubble-in {
    from {
      opacity: 0;
      transform: translateY(10px) scale(0.92);
    }

    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  * {
    color: inherit;
  }

  /* Heading hierarchy for clear information architecture */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    /* Heading font role + semantic text colour (themeable). */
    @apply font-heading font-semibold;
    @apply text-content;
    line-height: 1.2;
  }

  h1 {
    @apply text-3xl lg:text-4xl;
  }
  h2 {
    @apply text-2xl lg:text-3xl;
  }
  h3 {
    @apply text-xl lg:text-2xl;
  }
  h4 {
    @apply text-lg lg:text-xl;
  }

  /* Suppress the default browser focus ring (outline + tap highlight) but
     leave borders and box-shadows alone — components rely on those for
     selected / focus-visible styling (e.g. the runtime picker cards). */
  * {
    outline: none !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  *:focus {
    outline: none !important;
  }

  button:focus,
  a:focus,
  input:focus,
  textarea:focus,
  select:focus,
  [role='button']:focus,
  [tabindex]:focus {
    outline: none !important;
  }

  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }
}

/* Component layer - Reusable patterns */
@layer components {
  /* Button variants for consistent interaction design */
  .btn-primary {
    @apply bg-primary-500 hover:bg-primary-600 active:bg-primary-700;
    @apply text-content-inverted font-medium;
    @apply px-4 py-2 rounded-lg;
    @apply transition-all duration-200 ease-in-out;
    @apply shadow-soft hover:shadow-medium;
    @apply focus:outline-none;
    @apply disabled:opacity-50 disabled:cursor-not-allowed;
  }

  .btn-secondary {
    @apply bg-surface hover:bg-surface-hover active:bg-surface-strong;
    @apply text-content font-medium;
    @apply px-4 py-2 rounded-lg border border-line-strong;
    @apply transition-all duration-200 ease-in-out;
    @apply focus:outline-none;
  }

  .btn-success {
    @apply bg-sage-500 hover:bg-sage-600 active:bg-sage-700;
    @apply text-content-inverted font-medium;
    @apply px-4 py-2 rounded-lg;
    @apply transition-all duration-200 ease-in-out;
    @apply shadow-soft hover:shadow-medium;
    @apply focus:outline-none;
  }

  .btn-danger {
    @apply bg-coral-500 hover:bg-coral-600 active:bg-coral-700;
    @apply text-content-inverted font-medium;
    @apply px-4 py-2 rounded-lg;
    @apply transition-all duration-200 ease-in-out;
    @apply shadow-soft hover:shadow-medium;
    @apply focus:outline-none;
  }

  /* Card components for content organization */
  .card {
    @apply bg-surface rounded-xl shadow-soft border border-line;
    @apply p-6 text-content;
    @apply transition-shadow duration-200;
  }

  .card-hover {
    @apply card hover:shadow-medium;
  }

  .app-dotted-canvas {
    background-color: transparent;
    /* Dots follow the theme's content colour at low alpha (dark dots on light
       themes, light dots on dark themes, accent-tinted on custom themes). */
    background-image: radial-gradient(
      circle at center,
      rgb(var(--content) / 0.1) 1px,
      transparent 1px
    );
    background-size: 18px 18px;
    background-position: 0 0;
  }

  /* Input components with consistent styling */
  .input-primary {
    @apply w-full px-4 py-3 rounded-lg;
    @apply border border-line focus:border-primary-500;
    @apply bg-surface text-content placeholder-content-faint;
    @apply transition-colors duration-200;
    @apply focus:outline-none;
  }

  /* Status indicators */
  .status-online {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium;
    @apply bg-sage-100 text-sage-700;
  }

  .status-offline {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium;
    @apply bg-surface-subtle text-content-secondary;
  }

  .status-warning {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium;
    @apply bg-amber-100 text-amber-700;
  }

  /* Navigation styles */
  .nav-item {
    @apply flex items-center px-4 py-2 text-sm font-medium rounded-lg;
    @apply text-content-secondary hover:text-content hover:bg-surface-hover;
    @apply transition-colors duration-150;
  }

  .nav-item-active {
    @apply nav-item bg-surface-subtle text-content;
  }

  /* Message/chat specific styles */
  .message-bubble {
    @apply max-w-xs lg:max-w-md px-4 py-2 rounded-2xl;
    @apply break-words;
  }

  .message-sent {
    @apply message-bubble bg-primary-500 text-white ml-auto;
  }

  .message-received {
    @apply message-bubble bg-surface-strong text-content;
  }

  /* Loading states */
  .loading-pulse {
    @apply animate-pulse bg-surface-subtle rounded;
  }

  /* Crypto price styling */
  .price-positive {
    @apply text-market-bullish font-mono font-medium;
  }

  .price-negative {
    @apply text-market-bearish font-mono font-medium;
  }

  .price-neutral {
    @apply text-market-neutral font-mono font-medium;
  }

  /* ============================================
     Dark-mode overrides for @apply'd component classes.
     Most classes are now token-driven (semantic surface/content/line) and flip
     automatically, so only the tinted status badges — which keep a light accent
     tint in light mode — still need an explicit dark override.
     ============================================ */
  :root.dark .status-online {
    background-color: rgba(52, 199, 89, 0.15);
    color: theme('colors.sage.300');
  }

  :root.dark .status-warning {
    background-color: rgba(232, 167, 40, 0.15);
    color: theme('colors.amber.300');
  }
}

/* Utility layer - Custom utilities */
@layer utilities {
  /* Scrollbar styling for better UX */
  .scrollbar-thin {
    scrollbar-width: thin;
    scrollbar-color: rgb(163 163 163) transparent;
  }

  .scrollbar-thin::-webkit-scrollbar {
    width: 6px;
  }

  .scrollbar-thin::-webkit-scrollbar-track {
    background: transparent;
  }

  .scrollbar-thin::-webkit-scrollbar-thumb {
    background-color: rgb(163 163 163);
    border-radius: 3px;
  }

  .scrollbar-thin::-webkit-scrollbar-thumb:hover {
    background-color: rgb(115 115 115);
  }

  /* Hide scrollbar while keeping scroll behavior */
  .scrollbar-hide {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .scrollbar-hide::-webkit-scrollbar {
    display: none;
  }

  /* Text selection styling */
  .select-primary::selection {
    @apply bg-primary-600 text-white;
  }

  /* Glass effect for light theme */
  .glass {
    backdrop-filter: blur(12px);
    /* Themeable: surface tint + line border follow the active theme. */
    background: rgb(var(--surface) / 0.8);
    border: 1px solid rgb(var(--line) / 0.6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }

  :root.dark .glass {
    /* Only the shadow needs a darker variant; colours come from the tokens. */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  }

  /* Animation utilities */
  .animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
  }

  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Modal animations */
  .animate-fade-in {
    animation: fadeIn 0.2s ease-out forwards;
  }

  .animate-slide-up {
    animation: slideUp 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Safe area padding for mobile devices */
  .safe-area-padding {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  /* Skills table container */
  .skills-table-container {
    position: relative;
    max-height: calc(3 * 2.5rem + 2.5rem + 1px); /* Header + 3 rows + border */
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .skills-table-scroll {
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(3 * 2.5rem + 2.5rem + 1px);
  }

  .skills-table-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
  }

  :root.dark .skills-table-header {
    background: rgba(23, 23, 23, 0.9);
  }

  /* Gradient fade overlay at bottom */
  .skills-table-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, transparent, rgba(245, 245, 245, 0.9));
    pointer-events: none;
    z-index: 10;
  }

  :root.dark .skills-table-container::after {
    background: linear-gradient(to bottom, transparent, rgba(10, 10, 10, 0.9));
  }

  /* Hover overlay */
  .skills-table-overlay {
    z-index: 20;
  }

  .skills-table-container:hover .skills-table-overlay {
    opacity: 1;
    pointer-events: auto;
  }
}

/* Light mode (default) */
:root {
  color-scheme: light;
}

/*
 * Command palette + help overlay tokens — now thin aliases over the canonical
 * theme tokens in styles/tokens.css, so the palette themes along with the rest
 * of the app. Only the shadow (not a colour token) stays literal.
 */
:root {
  --cmd-accent: rgb(var(--primary-500));
  --cmd-surface: rgb(var(--surface));
  --cmd-surface-elevated: rgb(var(--surface-subtle));
  --cmd-foreground: rgb(var(--content));
  --cmd-foreground-muted: rgb(var(--content-muted));
  --cmd-border: rgb(var(--line));
  --cmd-ring: var(--cmd-accent);
  --cmd-overlay: rgb(var(--surface-overlay) / 0.5);
  --cmd-shadow-palette: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

:root.dark {
  --cmd-accent: rgb(var(--primary-400));
  --cmd-surface: rgb(var(--surface));
  --cmd-surface-elevated: rgb(var(--surface-muted));
  --cmd-foreground: rgb(var(--content));
  --cmd-foreground-muted: rgb(var(--content-muted));
  --cmd-border: rgb(var(--line-strong));
  --cmd-overlay: rgb(var(--surface-overlay) / 0.7);
  --cmd-shadow-palette: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.25);
}

@media (prefers-reduced-motion: reduce) {
  .cmd-palette-enter,
  .cmd-palette-exit,
  .cmd-help-enter,
  .cmd-help-exit {
    animation: none !important;
    transition: none !important;
  }
}