:root {
  color-scheme: light;
  --geeko: #42cd42;
  --teal: #20caa3;
  --teal-dark: #17a88a;
  --yellow: #d4cb1b;
  --red: #ff5b45;
  --blue: #00c8ff;
  --plum: #a498ff;

  --ink: #211c1a;
  --muted: #7a6b5e;
  --paper: #fff8ee;
  --surface: #fffdf7;
  --surface-2: #f4ecdc;
  --overlay: rgba(255, 253, 247, .85);
  --line: #e4d9c7;
  --tint: rgba(32, 202, 163, .14);
  --shadow: rgba(33, 28, 26, .07);
  --glow: rgba(23, 168, 138, .18);

  --accent: var(--teal);
  --accent-strong: var(--teal-dark);
  --em: var(--red);
  --code: var(--teal-dark);

  --mic-capsule: var(--teal);
  --mic-stem: var(--teal-dark);
  --mic-arc: var(--red);
  --mic-base: var(--yellow);

  --strip-a: var(--geeko);
  --strip-b: var(--teal);
  --strip-c: var(--yellow);
  --strip-d: var(--red);

  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #eef2ff;
  --muted: #a9b1ca;
  --paper: #131724;
  --surface: #1b2033;
  --surface-2: #232a45;
  --overlay: rgba(27, 32, 51, .88);
  --line: #2f3859;
  --tint: rgba(0, 200, 255, .12);
  --shadow: rgba(0, 0, 0, .35);
  --glow: rgba(0, 200, 255, .22);

  --accent: var(--blue);
  --accent-strong: #00a8d6;
  --em: var(--blue);
  --code: var(--yellow);

  --mic-capsule: var(--geeko);
  --mic-stem: var(--teal);
  --mic-arc: var(--plum);
  --mic-base: var(--yellow);

  --strip-a: var(--geeko);
  --strip-b: var(--blue);
  --strip-c: var(--plum);
  --strip-d: var(--yellow);
}

* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  background:
    radial-gradient(circle at 88% 8%, rgba(32, 202, 163, .18) 0 12%, transparent 30%),
    radial-gradient(circle at 8% 100%, rgba(66, 205, 66, .15) 0 12%, transparent 30%),
    radial-gradient(circle at 96% 82%, rgba(212, 203, 27, .12) 0 9%, transparent 24%),
    linear-gradient(160deg, var(--paper) 0 58%, var(--surface-2) 58% 100%);
  transition: background-color .25s ease, color .25s ease;
}
:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 88% 8%, rgba(0, 200, 255, .16) 0 12%, transparent 30%),
    radial-gradient(circle at 8% 100%, rgba(164, 152, 255, .14) 0 13%, transparent 30%),
    radial-gradient(circle at 96% 82%, rgba(66, 205, 66, .10) 0 9%, transparent 24%),
    linear-gradient(160deg, var(--paper) 0 58%, #171b2c 58% 100%);
}
a { color: inherit; }
main, footer { width: min(1120px, calc(100% - 64px)); margin: auto; }

/* ---- Universe toolbar (shared openSUSE masthead shape, cf. universe.opensuse.org) ---- */
.uni {
  position: sticky; top: 0; z-index: 60; background: #173f4f; color: #fff;
  border-style: solid; border-width: 0 0 3px;
  border-image: linear-gradient(90deg, var(--geeko), var(--teal), var(--yellow), var(--red), var(--plum), var(--blue)) 1;
}
.uni-bar { max-width: 1120px; margin: 0 auto; display: flex; align-items: center; gap: 12px; min-height: 50px; padding: 0 16px; }
.uni-brand { display: flex; align-items: center; gap: 9px; color: #fff; text-decoration: none; font-weight: 700; font-size: 15px; white-space: nowrap; }
.uni-brand img { width: 28px; height: 28px; display: block; flex: none; }
.uni-links { display: flex; gap: 2px; margin-left: 6px; }
.uni-links a { color: #d7e6ea; text-decoration: none; font-size: 13px; font-weight: 600; padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.uni-links a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.uni-spacer { flex: 1; }
.uni-dots { display: inline-flex; align-items: center; gap: 8px; background: transparent; border: 1px solid rgba(255, 255, 255, .3); border-radius: 8px; color: #fff; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600; padding: 7px 10px; }
.uni-dots:hover { background: rgba(255, 255, 255, .12); }
.uni-dots svg { width: 16px; height: 16px; display: block; }
.uni-panel { display: none; background: #102a36; border-top: 1px solid rgba(255, 255, 255, .12); }
.uni-panel.open { display: block; }
.uni-panel-inner { max-width: 1120px; margin: 0 auto; padding: 20px 16px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.uni-panel h3 { margin: 0 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: #8fd13f; }
.uni-panel ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.uni-panel a { color: #e8f1f3; text-decoration: none; font-size: 13px; }
.uni-panel a:hover { color: #8fd13f; text-decoration: underline; }
@media (max-width: 700px) {
  .uni-links { display: none; }
  .uni-panel-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 380px) {
  .uni-panel-inner { grid-template-columns: 1fr; }
  .uni-bar { padding: 0 12px; }
}
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid rgba(255, 255, 255, .3); border-radius: 50%; background: transparent; color: #fff; cursor: pointer; flex: none; }
.theme-toggle:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
main { display: grid; grid-template-columns: .92fr 1.08fr; gap: 92px; align-items: center; padding: 76px 0 84px; }
.eyebrow { color: var(--accent-strong); font-size: 12px; font-weight: bold; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 9px; border-radius: 2px; background: var(--geeko); transform: rotate(8deg); }
h1 { margin: 22px 0 20px; font-size: clamp(49px, 6vw, 80px); line-height: .94; letter-spacing: -.075em; }
h1 em { color: var(--em); font-family: Georgia, serif; font-weight: normal; letter-spacing: -.08em; }
.lede { max-width: 405px; color: var(--muted); font-family: Georgia, serif; font-size: 18px; line-height: 1.48; }
.signal-row { display: flex; gap: 18px; margin-top: 36px; color: var(--muted); font-size: 10px; font-weight: bold; letter-spacing: .1em; }
.signal-row b { display: inline-block; width: 8px; height: 8px; margin-right: 5px; border-radius: 50%; background: var(--geeko); box-shadow: 0 0 0 4px var(--glow); }
.workspace { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--overlay); box-shadow: 14px 18px 0 var(--shadow); }
.workspace::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: linear-gradient(90deg, var(--strip-a), var(--strip-b), var(--strip-c), var(--strip-d)); }
.tab-row { display: flex; border-bottom: 1px solid var(--line); padding: 0 30px; gap: 28px; }
.tab { appearance: none; border: 0; border-bottom: 3px solid transparent; background: none; padding: 21px 0 18px; color: var(--muted); cursor: pointer; font: bold 12px "Trebuchet MS", sans-serif; }
.tab:hover { color: var(--ink); }
.tab.is-active { border-color: var(--accent); color: var(--ink); }
.hidden { display: none; }
.panel { padding: 40px 38px 30px; }
.form-heading { display: flex; gap: 15px; align-items: flex-start; margin-bottom: 27px; }
.form-heading h2 { margin: 0 0 5px; font-size: 21px; letter-spacing: -.03em; }
.form-heading p, .form-note { margin: 0; color: var(--muted); font-family: Georgia, serif; font-size: 13px; }
label { display: block; margin-bottom: 17px; color: var(--muted); font-size: 11px; font-weight: bold; letter-spacing: .08em; text-transform: uppercase; }
input { display: block; width: 100%; margin-top: 8px; border: 1px solid var(--line); border-radius: 0; outline: 0; background: var(--surface); color: var(--ink); padding: 13px 14px; font: 15px Georgia, serif; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow); }
.two-up { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.file-drop { display: flex; align-items: center; gap: 13px; min-height: 75px; margin: 24px 0 18px; border: 1px dashed var(--line); padding: 12px 16px; cursor: pointer; }
.file-drop:hover { border-color: var(--accent); background: var(--surface-2); }
.file-drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-drop strong, .file-drop small { display: block; text-transform: none; letter-spacing: 0; }
.file-drop strong { color: var(--ink); font-size: 14px; }
.file-drop small { margin-top: 4px; color: var(--muted); font: 12px Georgia, serif; }
.upload-icon { display: grid; place-items: center; width: 34px; height: 34px; background: var(--tint); color: var(--accent-strong); font-size: 21px; }
.primary-button { display: flex; width: 100%; align-items: center; justify-content: space-between; border: 0; background: linear-gradient(135deg, var(--geeko) 0%, var(--teal) 100%); color: #07281c; cursor: pointer; padding: 15px 17px; font: bold 12px "Trebuchet MS", sans-serif; letter-spacing: .04em; }
.primary-button:hover { background: linear-gradient(135deg, #35b735 0%, var(--teal-dark) 100%); }
.primary-button:disabled { cursor: wait; opacity: .65; }
:root[data-theme="dark"] .primary-button { background: linear-gradient(135deg, var(--blue) 0%, var(--plum) 100%); color: #0a1126; }
:root[data-theme="dark"] .primary-button:hover { background: linear-gradient(135deg, var(--geeko) 0%, var(--blue) 100%); color: #06230f; }
.form-note { margin-top: 12px; text-align: center; font-size: 12px; }
code { color: var(--code); }
.status { min-height: 0; margin-top: 17px; color: var(--accent-strong); font: 14px/1.45 Georgia, serif; }
.status.error { color: var(--red); }
.status a { color: var(--accent-strong); font-weight: bold; }
.event-groups { display: grid; gap: 27px; margin-top: 4px; }
.event-title { margin: 0 0 11px; font-size: 17px; letter-spacing: -.02em; }
.event-title::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 2px; background: var(--accent); transform: rotate(8deg); }
.deck-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.deck { padding: 12px 0 11px; border-bottom: 1px solid var(--line); }
.deck-link { color: var(--ink); font: 15px Georgia, serif; text-decoration: none; }
.deck-link:hover { color: var(--accent-strong); text-decoration: underline; }
.deck-meta { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
footer { display: flex; gap: 15px; align-items: center; border-top: 1px solid var(--line); padding: 18px 0 25px; color: var(--muted); font-size: 11px; }
footer a { color: var(--accent-strong); text-decoration: none; }
.footer-dot { color: var(--red); font-size: 8px; }
@media (max-width: 800px) { main, footer { width: min(100% - 36px, 600px); } main { display: block; padding: 48px 0 58px; }.intro { margin-bottom: 45px; } h1 { font-size: 58px; } .workspace { box-shadow: 8px 10px 0 var(--shadow); } }
@media (max-width: 500px) { .tab-row { padding: 0 20px; }.panel { padding: 34px 20px 24px; }.two-up { display: block; } h1 { font-size: 52px; } footer { display: block; } footer .footer-dot { margin: 0 8px; } }