@import "tailwindcss";
@plugin "@tailwindcss/typography";
@plugin "tailwindcss-animate";

@custom-variant dark (&:is(.dark *, .dark));

@theme {
  --color-bg: #ffffff;
  --color-fg: #171717;
  --color-muted: #666666;
  --color-border: #eaeaea;
  --color-surface: #ffffff;
  --color-surface-muted: #fafafa;
  --color-accent: #000000;
  --color-accent-fg: #ffffff;
  --color-blue: #0070f3;
  --color-blue-hover: #0060df;
  --color-success: #0070f3;
  --color-danger: #ee0000;
  --color-danger-bg: #fff0f0;
  --color-code-bg: #f5f5f5;
  --color-code-fg: #171717;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;

  --container-content: 72rem;

  --shadow-card: 0 4px 14px 0 rgb(0 0 0 / 0.1);
  --shadow-soft: 0 2px 8px rgb(0 0 0 / 0.08);
}

.dark {
  --color-bg: #000000;
  --color-fg: #ededed;
  --color-muted: #888888;
  --color-border: #333333;
  --color-surface: #111111;
  --color-surface-muted: #0a0a0a;
  --color-accent: #ffffff;
  --color-accent-fg: #000000;
  --color-blue: #3291ff;
  --color-blue-hover: #52a9ff;
  --color-danger: #ff4444;
  --color-danger-bg: #2a0000;
  --color-code-bg: #111111;
  --color-code-fg: #ededed;
  --shadow-card: 0 4px 14px 0 rgb(0 0 0 / 0.25);
  --shadow-soft: 0 2px 8px rgb(0 0 0 / 0.2);
}

:root {
  color-scheme: light;
}

.dark {
  color-scheme: dark;
}

html {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
}

::selection {
  background: color-mix(in srgb, var(--color-blue) 25%, transparent);
}

/* ─── Shiki (rehype-pretty-code) ───────────────────── */

[data-rehype-pretty-code-figure] {
  margin: 1.5rem 0;
}

[data-rehype-pretty-code-figure] pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-code-bg);
  font-size: 0.8125rem;
  line-height: 1.6;
}

[data-rehype-pretty-code-figure] pre > code {
  display: grid;
  background: transparent;
  padding: 0;
  border: 0;
  font-size: inherit;
  color: inherit;
}

[data-rehype-pretty-code-figure] pre > code [data-line] {
  padding: 0 0.25rem;
}

[data-rehype-pretty-code-title] {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom: 0;
  border-radius: 0.5rem 0.5rem 0 0;
}

[data-rehype-pretty-code-title] + pre {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.prose :where(h1, h2, h3, h4, h5, h6) a,
.prose :where(h1, h2, h3, h4, h5, h6) a:hover {
  color: inherit;
  font-weight: inherit;
  text-decoration: none;
}

[data-rehype-pretty-code-figure] [data-theme] code {
  color: inherit;
  background-color: transparent;
}

[data-rehype-pretty-code-figure] span {
  color: var(--shiki-light);
}

.dark [data-rehype-pretty-code-figure] span {
  color: var(--shiki-dark);
}

/* ─── Inline syntax highlight (home page) ──────────── */

.hl-comment { color: #6b7280; font-style: italic; }
.hl-string { color: #067a6e; }
.hl-keyword { color: #d6409f; }
.hl-type { color: #0070c0; }
.hl-function { color: #6f42c1; }
.hl-number { color: #0070c0; }
.hl-variable { color: var(--color-fg); }
.hl-id { color: #6f42c1; }
.hl-key { color: #d6409f; }
.hl-boolean { color: #0070c0; }
.hl-punctuation { color: var(--color-fg); }
.hl-operator { color: #d6409f; }

.dark .hl-comment { color: #a1a1a1; }
.dark .hl-string { color: #00ca50; }
.dark .hl-keyword { color: #ff4d8d; }
.dark .hl-type { color: #c472fb; }
.dark .hl-function { color: #c472fb; }
.dark .hl-number { color: #47a8ff; }
.dark .hl-variable { color: #47a8ff; }
.dark .hl-id { color: #c472fb; }
.dark .hl-key { color: #ff4d8d; }
.dark .hl-boolean { color: #47a8ff; }
.dark .hl-punctuation { color: #ededed; }
.dark .hl-operator { color: #ff4d8d; }

.hl-bash-function {
  color: var(--color-fg);
  font-weight: 600;
}
.hl-bash-key { color: #0070f3; }
.hl-bash-string { color: #067a6e; }
.hl-bash-keyword { color: #d6409f; }
.hl-bash-variable { color: #6f42c1; }
.hl-bash-operator,
.hl-bash-punctuation {
  color: var(--color-muted);
}
.hl-bash-number { color: var(--color-fg); }

.dark .hl-bash-function { color: #ffffff; }
.dark .hl-bash-key { color: #52a9ff; }
.dark .hl-bash-string { color: #00ca50; }
.dark .hl-bash-keyword { color: #ff4d8d; }
.dark .hl-bash-variable { color: #c472fb; }
.dark .hl-bash-operator,
.dark .hl-bash-punctuation {
  color: #888888;
}
.dark .hl-bash-number { color: #ffffff; }

/* ─── Home chat motion ────────────────────────────── */

@keyframes home-chat-reveal {
  from {
    opacity: 0;
    transform: translateY(0.875rem) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes home-command-sheen {
  0% {
    opacity: 0;
    transform: translateX(-120%);
  }
  28% {
    opacity: 0.18;
  }
  100% {
    opacity: 0;
    transform: translateX(120%);
  }
}

.home-chat-shell {
  transform-origin: center top;
}

.home-chat-code {
  background: color-mix(in srgb, var(--color-fg) 9%, var(--color-bg));
  border: 1px solid color-mix(in srgb, var(--color-fg) 14%, transparent);
  border-radius: 0.375rem;
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  padding: 0.125rem 0.45rem;
}

.home-chat-reveal,
.home-tool-row {
  opacity: 0;
  transform: translateY(0.875rem) scale(0.985);
  will-change: opacity, transform;
}

.home-chat-viewport[data-chat-visible="true"] .home-chat-reveal,
.home-chat-viewport[data-chat-visible="true"] .home-tool-row {
  animation: home-chat-reveal 620ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: var(--chat-delay, 0ms);
}

.home-tool-row {
  position: relative;
}

.home-tool-row::after {
  opacity: 0;
}

.home-chat-viewport[data-chat-visible="true"] .home-tool-row::after {
  animation: home-command-sheen 1150ms ease-out forwards;
  animation-delay: calc(var(--chat-delay, 0ms) + 140ms);
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--color-fg) 18%, transparent),
    transparent
  );
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  transform: translateX(-120%);
}

@media (prefers-reduced-motion: reduce) {
  .home-chat-reveal,
  .home-tool-row {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .home-tool-row::after {
    animation: none;
    content: none;
  }
}

/* ─── Prose adjustments ────────────────────────────── */

.prose pre {
  background: var(--color-code-bg) !important;
  color: var(--color-code-fg) !important;
}

.prose :where(code):not(:where([class~="not-prose"] *)) {
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  padding: 0.15rem 0.4rem;
  font-weight: 400;
}

.prose :where(code):not(:where([class~="not-prose"] *))::before,
.prose :where(code):not(:where([class~="not-prose"] *))::after {
  content: none;
}

.prose :where(pre code):not(:where([class~="not-prose"] *)) {
  background: transparent;
  border: 0;
  padding: 0;
}