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

@layer base {
  :root {
    /* Cool editorial palette — light */
    --background: 220 30% 98%;
    --foreground: 230 25% 8%;
    --card: 0 0% 100%;
    --card-foreground: 230 25% 8%;
    --popover: 0 0% 100%;
    --popover-foreground: 230 25% 8%;
    --primary: 248 80% 56%;
    --primary-foreground: 0 0% 100%;
    --secondary: 220 20% 94%;
    --secondary-foreground: 230 20% 16%;
    --muted: 220 18% 95%;
    --muted-foreground: 225 10% 42%;
    --accent: 248 70% 96%;
    --accent-foreground: 248 70% 32%;
    --destructive: 0 72% 51%;
    --destructive-foreground: 0 0% 100%;
    --border: 225 16% 88%;
    --input: 225 16% 88%;
    --ring: 248 80% 56%;
    --radius: 0.75rem;

    /* Extended tokens */
    --glow: 248 90% 62%;
    --glow-2: 280 85% 60%;
    --surface-elevated: 0 0% 100%;
    --hairline: 225 16% 88%;
    --success: 152 60% 40%;
    --warning: 38 92% 50%;

    --font-sans: "DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
      Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Syne", var(--font-sans);
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco,
      Consolas, monospace;

    --shadow-glow: 0 0 0 1px hsl(var(--primary) / 0.08),
      0 8px 40px -12px hsl(var(--glow) / 0.35);
    --shadow-elevated: 0 1px 0 hsl(var(--foreground) / 0.04),
      0 12px 40px -16px hsl(var(--foreground) / 0.18);
  }

  .dark {
    --background: 235 28% 5%;
    --foreground: 220 20% 96%;
    --card: 235 24% 7.5%;
    --card-foreground: 220 20% 96%;
    --popover: 235 24% 8.5%;
    --popover-foreground: 220 20% 96%;
    --primary: 248 90% 72%;
    --primary-foreground: 235 30% 8%;
    --secondary: 235 18% 14%;
    --secondary-foreground: 220 15% 92%;
    --muted: 235 16% 12%;
    --muted-foreground: 225 10% 62%;
    --accent: 248 40% 14%;
    --accent-foreground: 248 90% 82%;
    --destructive: 0 70% 48%;
    --destructive-foreground: 0 0% 100%;
    --border: 235 14% 16%;
    --input: 235 14% 16%;
    --ring: 248 90% 72%;

    --glow: 248 95% 70%;
    --glow-2: 290 90% 68%;
    --surface-elevated: 235 22% 9%;
    --hairline: 235 14% 18%;
    --success: 152 55% 48%;
    --warning: 38 92% 55%;

    --shadow-glow: 0 0 0 1px hsl(var(--primary) / 0.14),
      0 12px 48px -12px hsl(var(--glow) / 0.45);
    --shadow-elevated: 0 1px 0 hsl(0 0% 100% / 0.04),
      0 20px 50px -20px hsl(0 0% 0% / 0.65);
  }
}

@layer base {
  * {
    @apply border-border;
  }

  html {
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    @apply bg-background text-foreground antialiased;
    font-family: var(--font-sans);
    font-feature-settings: "ss01" on, "cv11" on;
    min-height: 100dvh;
  }

  ::selection {
    background: hsl(var(--primary) / 0.22);
    color: hsl(var(--foreground));
  }

  :focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
  }

  /* Prefer keyboard ring over mouse outline noise on buttons/links handled by components */
  .js-focus-visible :focus:not(.focus-visible) {
    outline: none;
  }
}

@layer components {
  /* Immersive canvas backdrop */
  .app-canvas {
    position: relative;
    isolation: isolate;
    min-height: 100dvh;
    background-color: hsl(var(--background));
  }

  .app-canvas::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
      radial-gradient(
        60% 50% at 88% -8%,
        hsl(var(--glow) / 0.18),
        transparent 70%
      ),
      radial-gradient(
        50% 40% at -5% 30%,
        hsl(var(--glow-2) / 0.12),
        transparent 65%
      ),
      radial-gradient(
        40% 35% at 50% 110%,
        hsl(var(--glow) / 0.08),
        transparent 60%
      ),
      hsl(var(--background));
  }

  .app-canvas::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.35;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  }

  .dark .app-canvas::after {
    opacity: 0.22;
    mix-blend-mode: soft-light;
  }

  .display-font {
    font-family: var(--font-display);
    letter-spacing: -0.035em;
  }

  .text-gradient {
    background: linear-gradient(
      125deg,
      hsl(var(--foreground)) 0%,
      hsl(var(--primary)) 45%,
      hsl(var(--glow-2)) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .text-gradient-brand {
    background: linear-gradient(
      120deg,
      hsl(230 90% 58%) 0%,
      hsl(var(--primary)) 48%,
      hsl(var(--glow-2)) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .glass-panel {
    background: hsl(var(--card) / 0.72);
    border: 1px solid hsl(var(--border) / 0.8);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    box-shadow: var(--shadow-elevated);
  }

  .glass-header {
    background: hsl(var(--background) / 0.72);
    border-bottom: 1px solid hsl(var(--border) / 0.55);
    backdrop-filter: blur(18px) saturate(1.35);
    -webkit-backdrop-filter: blur(18px) saturate(1.35);
  }

  .surface-panel {
    background: hsl(var(--card) / 0.55);
    border: 1px solid hsl(var(--border) / 0.75);
    box-shadow: var(--shadow-elevated);
  }

  .glow-ring {
    box-shadow: var(--shadow-glow);
  }

  .grid-fade {
    background-image:
      linear-gradient(to right, hsl(var(--border) / 0.45) 1px, transparent 1px),
      linear-gradient(to bottom, hsl(var(--border) / 0.45) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  }

  /* Feature card hover lift */
  .feature-card {
    position: relative;
    overflow: hidden;
    transition:
      transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
      border-color 200ms ease,
      box-shadow 280ms ease;
  }

  .feature-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
      120% 80% at 0% 0%,
      hsl(var(--primary) / 0.12),
      transparent 55%
    );
    opacity: 0;
    transition: opacity 280ms ease;
    pointer-events: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .feature-card:hover {
      transform: translateY(-4px);
      border-color: hsl(var(--primary) / 0.35);
      box-shadow: var(--shadow-glow);
    }

    .feature-card:hover::before {
      opacity: 1;
    }
  }

  /*
   * Bookmark row states — keep focus (cursor) and selection (checked set)
   * visually distinct so single-click never looks like multi-select.
   */
  .bookmark-row {
    background-color: transparent;
    box-shadow: none;
  }

  .bookmark-row.is-selected {
    background-color: hsl(var(--primary) / 0.09);
    box-shadow: inset 3px 0 0 0 hsl(var(--primary));
  }

  .bookmark-row.is-selected:hover {
    background-color: hsl(var(--primary) / 0.13);
  }

  /* Focus cursor: outline only — no left bar (that means selected) */
  .bookmark-row.is-focused {
    outline: none;
    background-color: hsl(var(--accent) / 0.55);
    box-shadow: inset 0 0 0 1px hsl(var(--ring) / 0.35);
  }

  .bookmark-row.is-selected.is-focused {
    background-color: hsl(var(--primary) / 0.14);
    box-shadow:
      inset 3px 0 0 0 hsl(var(--primary)),
      inset 0 0 0 1px hsl(var(--primary) / 0.35);
  }

  .bookmark-row:focus-visible {
    outline: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .bookmark-row {
      transition:
        background-color 140ms ease,
        box-shadow 140ms ease;
    }
  }

  /* Compact kbd chips */
  kbd {
    @apply inline-flex h-5 min-w-5 items-center justify-center rounded border border-border bg-muted px-1 font-mono text-2xs font-medium text-muted-foreground;
    box-shadow: 0 1px 0 hsl(var(--foreground) / 0.06);
  }

  /* Staggered entrance */
  .reveal {
    animation: reveal-up 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .reveal-delay-1 {
    animation-delay: 80ms;
  }
  .reveal-delay-2 {
    animation-delay: 160ms;
  }
  .reveal-delay-3 {
    animation-delay: 240ms;
  }
  .reveal-delay-4 {
    animation-delay: 320ms;
  }
  .reveal-delay-5 {
    animation-delay: 400ms;
  }

  @media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-delay-1,
    .reveal-delay-2,
    .reveal-delay-3,
    .reveal-delay-4,
    .reveal-delay-5 {
      animation: none;
    }

    .feature-card:hover {
      transform: none;
    }
  }

  /* Ambient orb (home hero) */
  .orb {
    position: absolute;
    border-radius: 9999px;
    filter: blur(60px);
    pointer-events: none;
    will-change: transform;
  }

  .orb-a {
    background: hsl(var(--glow) / 0.35);
    animation: orb-drift-a 18s ease-in-out infinite alternate;
  }

  .orb-b {
    background: hsl(var(--glow-2) / 0.28);
    animation: orb-drift-b 22s ease-in-out infinite alternate;
  }

  @media (prefers-reduced-motion: reduce) {
    .orb-a,
    .orb-b {
      animation: none;
    }
  }

  /* emoji-picker-react inside nested dialog */
  .emoji-picker-shell .EmojiPickerReact {
    --epr-emoji-size: 1.5rem;
    border: none !important;
    box-shadow: none !important;
  }
  .emoji-picker-shell .EmojiPickerReact .epr-body {
    pointer-events: auto;
  }

  /* Skip link */
  .skip-link {
    position: absolute;
    left: 1rem;
    top: -100%;
    z-index: 100;
    border-radius: var(--radius);
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: top 150ms ease;
  }

  .skip-link:focus {
    top: 1rem;
  }
}

@layer utilities {
  .font-display {
    font-family: var(--font-display);
  }

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

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes orb-drift-a {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-8%, 12%, 0) scale(1.12);
  }
}

@keyframes orb-drift-b {
  from {
    transform: translate3d(0, 0, 0) scale(1.05);
  }
  to {
    transform: translate3d(10%, -10%, 0) scale(0.92);
  }
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Quick-start: two-chip drag-to-bookmarks-bar micro-demo (6.4s loop)
 * Chips sit in the same CSS grid columns as the bar slots, so they only
 * need a pure vertical flight (~5.15rem) into the matching slot.
 *
 * Timeline:
 *  0–8%   rest
 *  8–28%  chip A flies into left slot
 * 28–36%  chip A settles / ghost A solid
 * 36–56%  chip B flies into right slot
 * 56–74%  both settled (hold)
 * 74–86%  fade ghosts, reset chips
 * 86–100% rest at origin
 */
@keyframes drag-chip-a-fly {
  0%,
  8% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  /* slight lift + grab */
  12% {
    transform: translateY(-0.45rem) scale(1.05);
    opacity: 1;
  }
  /* land in bar slot (chip near page bottom → bar row ≈ 7.6rem) */
  26%,
  32% {
    transform: translateY(-7.6rem) scale(0.88);
    opacity: 1;
  }
  35% {
    transform: translateY(-7.6rem) scale(0.7);
    opacity: 0;
  }
  36%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
}

@keyframes drag-chip-b-fly {
  0%,
  36% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  40% {
    transform: translateY(-0.45rem) scale(1.05);
    opacity: 1;
  }
  54%,
  70% {
    transform: translateY(-7.6rem) scale(0.88);
    opacity: 1;
  }
  74% {
    transform: translateY(-7.6rem) scale(0.7);
    opacity: 0;
  }
  75%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
}

@keyframes drag-ghost-a-pop {
  0%,
  24% {
    opacity: 0;
    transform: scale(0.82);
  }
  30%,
  74% {
    opacity: 1;
    transform: scale(1);
  }
  84%,
  100% {
    opacity: 0;
    transform: scale(0.95);
  }
}

@keyframes drag-ghost-b-pop {
  0%,
  52% {
    opacity: 0;
    transform: scale(0.82);
  }
  58%,
  74% {
    opacity: 1;
    transform: scale(1);
  }
  84%,
  100% {
    opacity: 0;
    transform: scale(0.95);
  }
}

@keyframes drag-slot-a-pulse {
  0%,
  10% {
    border-color: hsl(var(--primary) / 0.3);
    background-color: hsl(var(--background) / 0.5);
    box-shadow: none;
  }
  16%,
  32% {
    border-color: hsl(var(--primary) / 0.9);
    background-color: hsl(var(--primary) / 0.16);
    box-shadow: 0 0 0 2px hsl(var(--primary) / 0.14);
  }
  38%,
  74% {
    border-style: solid;
    border-color: hsl(var(--primary) / 0.4);
    background-color: hsl(var(--primary) / 0.08);
    box-shadow: none;
  }
  86%,
  100% {
    border-style: dashed;
    border-color: hsl(var(--primary) / 0.3);
    background-color: hsl(var(--background) / 0.5);
  }
}

@keyframes drag-slot-b-pulse {
  0%,
  38% {
    border-color: hsl(var(--primary) / 0.3);
    background-color: hsl(var(--background) / 0.5);
    box-shadow: none;
  }
  44%,
  60% {
    border-color: hsl(var(--primary) / 0.9);
    background-color: hsl(var(--primary) / 0.16);
    box-shadow: 0 0 0 2px hsl(var(--primary) / 0.14);
  }
  66%,
  74% {
    border-style: solid;
    border-color: hsl(var(--primary) / 0.4);
    background-color: hsl(var(--primary) / 0.08);
    box-shadow: none;
  }
  86%,
  100% {
    border-style: dashed;
    border-color: hsl(var(--primary) / 0.3);
    background-color: hsl(var(--background) / 0.5);
  }
}

.drag-demo-page {
  overflow: visible;
}

.drag-demo-chip-a,
.drag-demo-chip-b {
  z-index: 3;
  will-change: transform, opacity;
}

.drag-demo-chip-a {
  animation: drag-chip-a-fly 6.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.drag-demo-chip-b {
  animation: drag-chip-b-fly 6.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.drag-demo-ghost-a {
  animation: drag-ghost-a-pop 6.4s ease infinite;
}

.drag-demo-ghost-b {
  animation: drag-ghost-b-pop 6.4s ease infinite;
}

.drag-demo-slot-a {
  animation: drag-slot-a-pulse 6.4s ease infinite;
}

.drag-demo-slot-b {
  animation: drag-slot-b-pulse 6.4s ease infinite;
}

@media (prefers-reduced-motion: reduce) {
  .drag-demo-chip-a,
  .drag-demo-chip-b,
  .drag-demo-ghost-a,
  .drag-demo-ghost-b,
  .drag-demo-slot-a,
  .drag-demo-slot-b {
    animation: none;
  }

  .drag-demo-chip-a,
  .drag-demo-chip-b {
    opacity: 1;
    transform: none;
  }

  .drag-demo-ghost-a,
  .drag-demo-ghost-b {
    opacity: 1;
  }
}