/* bzz — getbzz.dev
   Theme tokens mirror src/ui/theme/builtin.rs palettes.
   Default: "bzz" brand identity (honey amber on near-black). */

:root,
[data-theme="bzz"] {
  --bg: #0e0c08;
  --surface: #1a1712;
  --surface-dark: #14110d;
  --text: #ece5d8;
  --muted: #8a8272;
  --border: #2e2a20;
  --primary: #5ec8d8;
  --accent: #ffb000;
  --warning: #ffb000;
  --error: #e05561;
  --selection: #262630;
}

[data-theme="dracula"] {
  --bg: #282a36;
  --surface: #343746;
  --surface-dark: #21222c;
  --text: #f8f8f2;
  --muted: #6272a4;
  --border: #44475a;
  --primary: #bd93f9;
  --accent: #50fa7b;
  --warning: #ffb86c;
  --error: #ff5555;
  --selection: #44475a;
}

[data-theme="nord"] {
  --bg: #2e3440;
  --surface: #3b4252;
  --surface-dark: #242933;
  --text: #eceff4;
  --muted: #7b88a1;
  --border: #4c566a;
  --primary: #88c0d0;
  --accent: #a3be8c;
  --warning: #ebcb8b;
  --error: #bf616a;
  --selection: #434c5e;
}

[data-theme="gruvbox-dark"] {
  --bg: #282828;
  --surface: #3c3836;
  --surface-dark: #1d2021;
  --text: #ebdbb2;
  --muted: #928374;
  --border: #504945;
  --primary: #83a598;
  --accent: #fabd2f;
  --warning: #fabd2f;
  --error: #fb4934;
  --selection: #3c3836;
}

[data-theme="catppuccin-mocha"] {
  --bg: #1e1e2e;
  --surface: #313244;
  --surface-dark: #181825;
  --text: #cdd6f4;
  --muted: #6c7086;
  --border: #45475a;
  --primary: #89b4fa;
  --accent: #f9e2af;
  --warning: #f9e2af;
  --error: #f38ba8;
  --selection: #45475a;
}

[data-theme="tokyo-night"] {
  --bg: #1a1b26;
  --surface: #24283b;
  --surface-dark: #16161e;
  --text: #c0caf5;
  --muted: #565f89;
  --border: #3b4261;
  --primary: #7aa2f7;
  --accent: #e0af68;
  --warning: #e0af68;
  --error: #f7768e;
  --selection: #2e3452;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "SF Mono", SFMono-Regular, ui-monospace, "JetBrains Mono",
    Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---- nav ---- */

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

nav .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
}

nav .brand:hover {
  text-decoration: none;
}

nav .brand img,
nav .brand svg {
  width: 28px;
  height: 28px;
}

nav .links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

nav .links a {
  color: var(--muted);
}

nav .links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ---- theme switcher ---- */

.themes {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.themes button {
  width: 18px;
  height: 18px;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 0;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transition: transform 0.15s ease;
}

.themes button:hover {
  transform: scale(1.25);
}

.themes button[aria-pressed="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.themes-label {
  color: var(--muted);
  font-size: 0.75rem;
  margin-right: 0.25rem;
}

/* ---- hero ---- */

header.hero {
  text-align: center;
  padding: 5rem 0 3.5rem;
}

.hero .mark {
  width: 88px;
  height: 88px;
  margin: 0 auto 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4rem);
  letter-spacing: -0.02em;
  color: var(--accent);
}

.hero p.tag {
  color: var(--muted);
  font-size: 1.15rem;
  margin-top: 0.5rem;
}

.hero p.tag b {
  color: var(--text);
  font-weight: 500;
}

.install-line {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  background: var(--surface-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1.1rem;
  font-size: 0.95rem;
  max-width: 100%;
  overflow-x: auto;
}

.install-line .prompt {
  color: var(--accent);
  user-select: none;
}

.install-line code {
  white-space: nowrap;
}

.install-line button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  flex-shrink: 0;
}

.install-line button:hover {
  color: var(--text);
  border-color: var(--accent);
}

.hero .cta {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  font-size: 0.9rem;
}

.hero .cta a {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 1.2rem;
  color: var(--text);
}

.hero .cta a.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 700;
}

.hero .cta a:hover {
  text-decoration: none;
  border-color: var(--accent);
}

/* ---- screenshot ---- */

.shot {
  margin: 1rem auto 0;
}

.shot .term {
  background: var(--surface-dark);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgb(0 0 0 / 0.45);
}

.shot .term-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.shot .term-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--border);
}

.shot .term-bar .title {
  flex: 1;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
}

.shot img,
.shot video {
  display: block;
  width: 100%;
  height: auto;
}

.shot .cap {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.8rem;
}

/* ---- sections ---- */

section {
  padding: 4.5rem 0 0;
}

.kicker {
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: lowercase;
  letter-spacing: 0.12em;
}

.kicker::before {
  content: "⬡ ";
}

section > .wrap > h2,
section h2.head {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  letter-spacing: -0.01em;
  margin: 0.4rem 0 2rem;
}

/* ---- stats ---- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 3rem;
}

.stats div {
  background: var(--surface-dark);
  padding: 1.4rem 1rem;
  text-align: center;
}

.stats b {
  display: block;
  font-size: 1.5rem;
  color: var(--accent);
}

.stats span {
  color: var(--muted);
  font-size: 0.8rem;
}

/* ---- features ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface-dark);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: var(--accent);
}

.card .k {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.card h3 {
  font-size: 1.02rem;
  margin: 0.35rem 0 0.5rem;
}

.card p {
  color: var(--muted);
  font-size: 0.88rem;
}

.card code {
  background: var(--selection);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  font-size: 0.82em;
}

/* ---- keys ---- */

.keys {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem 2.5rem;
}

.keys h3 {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.keys dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.45rem 1rem;
  font-size: 0.85rem;
}

.keys dt kbd {
  background: var(--selection);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0.08rem 0.42rem;
  font: inherit;
  font-size: 0.78rem;
  white-space: nowrap;
}

.keys dd {
  color: var(--muted);
}

/* ---- install tabs ---- */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0;
}

.tabs button {
  background: var(--surface-dark);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.5rem 1rem;
}

.tabs button[aria-selected="true"] {
  background: var(--selection);
  color: var(--accent);
}

.panel {
  background: var(--surface-dark);
  border: 1px solid var(--border);
  border-radius: 0 10px 10px 10px;
  padding: 1.2rem;
}

.panel[hidden] {
  display: none;
}

.panel pre {
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.7;
}

.panel .note {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.8rem;
}

/* ---- security ---- */

.sec-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
  max-width: 760px;
}

.sec-list li {
  padding-left: 1.6rem;
  position: relative;
  color: var(--muted);
  font-size: 0.92rem;
}

.sec-list li::before {
  content: "⬡";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.sec-list li b {
  color: var(--text);
  font-weight: 600;
}

/* ---- footer ---- */

footer {
  margin-top: 5rem;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

footer .disclaimer {
  max-width: 640px;
  margin: 0.8rem auto 0;
  font-size: 0.75rem;
}

@media (max-width: 640px) {
  nav .links {
    gap: 0.8rem;
  }

  .themes-label {
    display: none;
  }

  header.hero {
    padding: 3.5rem 0 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body,
  .card,
  .themes button {
    transition: none;
  }
}