:root {
  --bg: #faf8f4;
  --card: #ffffff;
  --line: #ece8e1;
  --line-2: #e2ddd4;
  --text: #1c1b19;
  --text-2: #6e6a63;
  --text-3: #9a958c;
  --accent: #ef6a1f;
  --accent-ink: #c4500f;
  --accent-soft: #fff1e7;
  --green: #18864b;
  --green-soft: #e7f5ed;
  --blue: #2a64d6;
  --blue-soft: #ebf1fd;
  --amber: #9a6411;
  --amber-soft: #fff5de;
  --red: #c93a3a;
  --red-soft: #fdeceb;
  --grey-soft: #f1eee8;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(28, 27, 25, 0.04), 0 4px 16px rgba(28, 27, 25, 0.04);
  --bar: rgba(250, 248, 244, 0.88);
  --tabs: rgba(255, 255, 255, 0.92);
  --draft-bg: #fcfbf9;
  --setup-bg: linear-gradient(135deg, #fff6ee, #fff);
  --setup-line: #f8dcc7;
  --banner-line: #f3dfae;
  --toast-bg: #1c1b19;
  --toast-text: #ffffff;
  --toast-link: #ffb48a;
  --on-accent: #ffffff;
  --safe-b: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
}

/* Dark: chosen in Settings, or "Auto" when the phone is in dark mode */
:root[data-theme="dark"] {
  --bg: #121110;
  --card: #1c1b19;
  --line: #2b2926;
  --line-2: #3a3733;
  --text: #f3f0ea;
  --text-2: #aaa49b;
  --text-3: #7d776f;
  --accent: #f27a35;
  --accent-ink: #ff9d63;
  --accent-soft: #38231a;
  --green: #4fc48c;
  --green-soft: #16291f;
  --blue: #82abff;
  --blue-soft: #19243a;
  --amber: #e9b558;
  --amber-soft: #2f2614;
  --red: #ff8080;
  --red-soft: #3a1b1b;
  --grey-soft: #272521;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  --bar: rgba(18, 17, 16, 0.86);
  --tabs: rgba(28, 27, 25, 0.92);
  --draft-bg: #171614;
  --setup-bg: linear-gradient(135deg, #2b1c14, #1c1b19);
  --setup-line: #4a2c1c;
  --banner-line: #4a3b1c;
  --toast-bg: #f3f0ea;
  --toast-text: #1c1b19;
  --toast-link: #c4500f;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #121110;
    --card: #1c1b19;
    --line: #2b2926;
    --line-2: #3a3733;
    --text: #f3f0ea;
    --text-2: #aaa49b;
    --text-3: #7d776f;
    --accent: #f27a35;
    --accent-ink: #ff9d63;
    --accent-soft: #38231a;
    --green: #4fc48c;
    --green-soft: #16291f;
    --blue: #82abff;
    --blue-soft: #19243a;
    --amber: #e9b558;
    --amber-soft: #2f2614;
    --red: #ff8080;
    --red-soft: #3a1b1b;
    --grey-soft: #272521;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    --bar: rgba(18, 17, 16, 0.86);
    --tabs: rgba(28, 27, 25, 0.92);
    --draft-bg: #171614;
    --setup-bg: linear-gradient(135deg, #2b1c14, #1c1b19);
    --setup-line: #4a2c1c;
    --banner-line: #4a3b1c;
    --toast-bg: #f3f0ea;
    --toast-text: #1c1b19;
    --toast-link: #c4500f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

/* ------------------------------------------------------------ top bar */
.top {
  position: sticky; top: 0; z-index: 10;
  background: var(--bar);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  padding: calc(env(safe-area-inset-top, 0px) + 10px) 16px 10px;
}
.top.scrolled { border-bottom-color: var(--line); }
.top-in { max-width: 680px; margin: 0 auto; display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; font-size: 18px; letter-spacing: -0.02em; }
.sun { width: 26px; height: 26px; display: block; }
.check {
  margin-left: auto; display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--text-2); background: none; border: 0; padding: 6px 2px; cursor: pointer;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.dot.warn { background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
.dot.off { background: var(--text-3); box-shadow: 0 0 0 3px var(--grey-soft); }
.dot.busy { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

/* -------------------------------------------------------------- layout */
main { max-width: 680px; margin: 0 auto; padding: 8px 16px calc(96px + var(--safe-b)); }
h1 { font-size: 26px; letter-spacing: -0.03em; margin: 14px 0 4px; font-weight: 650; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin: 28px 0 10px; font-weight: 600; }
.lead { color: var(--text-2); margin: 0 0 18px; }
.stack { display: grid; gap: 10px; }

/* ---------------------------------------------------------------- tabs */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  background: var(--tabs);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-top: 1px solid var(--line);
  padding: 6px 8px calc(6px + var(--safe-b));
}
.tabs-in { max-width: 680px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tab {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px 0; font-size: 11.5px; font-weight: 550; color: var(--text-3); text-decoration: none; position: relative;
}
.tab svg { width: 23px; height: 23px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tab.on { color: var(--accent); }
.badge {
  position: absolute; top: 1px; left: calc(50% + 6px);
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--accent); color: var(--on-accent); font-size: 11px; font-weight: 650; line-height: 18px; text-align: center;
}

/* --------------------------------------------------------------- cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.item { padding: 16px; }
.item-head { display: flex; align-items: center; gap: 12px; }
.item-head .who { min-width: 0; flex: 1; }
.name { font-weight: 620; letter-spacing: -0.01em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.meta { font-size: 12.5px; color: var(--text-3); }
.summary { margin: 10px 0 0; color: var(--text); }
.ask {
  margin: 12px 0 0; padding: 10px 12px; border-radius: 12px;
  background: var(--amber-soft); color: var(--amber); font-size: 14px; font-weight: 500;
}
.err-box { margin: 12px 0 0; padding: 10px 12px; border-radius: 12px; background: var(--red-soft); color: var(--red); font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.avatar {
  text-decoration: none;
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-weight: 650; font-size: 14px;
  background: var(--accent-soft); color: var(--accent-ink);
}
.avatar.k1 { background: var(--blue-soft); color: var(--blue); }
.avatar.k2 { background: var(--green-soft); color: var(--green); }
.avatar.k3 { background: var(--amber-soft); color: var(--amber); }

.chip {
  display: inline-flex; align-items: center; gap: 5px; height: 24px; padding: 0 9px; border-radius: 12px;
  font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--grey-soft); color: var(--text-2);
}
.chip.accent { background: var(--accent-soft); color: var(--accent-ink); }
.chip.green { background: var(--green-soft); color: var(--green); }
.chip.blue { background: var(--blue-soft); color: var(--blue); }
.chip.amber { background: var(--amber-soft); color: var(--amber); }
.chip.red { background: var(--red-soft); color: var(--red); }

/* ------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 40px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--line-2);
  background: var(--card); font-weight: 580; font-size: 14px; text-decoration: none; cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:active { background: var(--accent-ink); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn.small { height: 34px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.btn.wide { width: 100%; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* --------------------------------------------------------------- draft */
.draft { margin-top: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--draft-bg); overflow: hidden; }
.draft-head { padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--text-2); display: grid; gap: 2px; }
.draft-head b { color: var(--text); font-weight: 600; }
.draft-body { padding: 12px; white-space: pre-wrap; font-size: 14px; line-height: 1.5; max-height: 360px; overflow: auto; }

/* ------------------------------------------------------------- artists */
.search {
  width: 100%; height: 44px; padding: 0 14px; border-radius: 12px;
  border: 1px solid var(--line-2); background: var(--card); font-size: 16px; outline: none;
}
.search:focus, .input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.filters { display: flex; gap: 6px; overflow-x: auto; margin: 12px -16px 4px; padding: 0 16px 4px; scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.filter {
  height: 34px; padding: 0 14px; border-radius: 17px; border: 1px solid var(--line-2);
  background: var(--card); font-size: 13.5px; font-weight: 560; white-space: nowrap; cursor: pointer; color: var(--text-2);
}
.filter.on { background: var(--text); border-color: var(--text); color: var(--bg); }
.list { overflow: hidden; }
.row {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  text-decoration: none; border-top: 1px solid var(--line);
}
.row:first-child { border-top: 0; }
.row:active { background: var(--bg); }
.row .who { min-width: 0; flex: 1; }
.chev { width: 18px; height: 18px; stroke: var(--text-3); fill: none; stroke-width: 2; flex: none; }

/* ---------------------------------------------------------- artist page */
.back { display: inline-flex; align-items: center; gap: 4px; margin: 8px 0 0 -6px; color: var(--text-2); text-decoration: none; font-weight: 550; padding: 6px; }
.back svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; }
.hero { display: flex; align-items: center; gap: 14px; margin: 10px 0 6px; }
.hero .avatar { width: 56px; height: 56px; font-size: 19px; }
.hero h1 { margin: 0; font-size: 23px; }
.facts { padding: 4px 16px; }
.fact { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-top: 1px solid var(--line); }
.fact:first-child { border-top: 0; }
.fact span:first-child { color: var(--text-2); flex: none; }
.fact span:last-child { text-align: right; overflow-wrap: anywhere; }
.fact .empty { color: var(--text-3); }
.missing { display: flex; flex-wrap: wrap; gap: 6px; }
.song { padding: 12px 16px; border-top: 1px solid var(--line); }
.song:first-child { border-top: 0; }
.song .meta { margin-top: 2px; }
.select, .input, textarea {
  width: 100%; border: 1px solid var(--line-2); background: var(--card); border-radius: 12px; outline: none;
}
.select { height: 44px; padding: 0 12px; font-size: 15px; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239a958c' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; }
.input { height: 44px; padding: 0 12px; font-size: 16px; }
textarea { padding: 12px; font-size: 15px; min-height: 96px; resize: vertical; }
.timeline { padding: 4px 16px; }
.tl { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.tl:first-child { border-top: 0; }
.tl-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); margin-top: 7px; flex: none; }
.tl-dot.accent { background: var(--accent); }
.tl-dot.green { background: var(--green); }
.tl-dot.amber { background: var(--amber); }
.tl .summary { margin: 2px 0 0; font-size: 14px; color: var(--text-2); }

/* ------------------------------------------------------------ settings */
.set { padding: 16px; }
.set-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.set-head h3 { margin: 0; font-size: 16px; letter-spacing: -0.01em; flex: 1; }
.set p { margin: 4px 0 12px; color: var(--text-2); font-size: 14px; }
.set label { display: block; font-size: 13px; font-weight: 580; color: var(--text-2); margin: 12px 0 6px; }
.steps { margin: 6px 0 12px; padding-left: 20px; color: var(--text-2); font-size: 14px; }
.steps li { margin: 4px 0; }
code { font: 12.5px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--grey-soft); padding: 2px 5px; border-radius: 6px; overflow-wrap: anywhere; }

/* --------------------------------------------------------------- misc */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-2); }
.empty-state .sun { width: 52px; height: 52px; margin: 0 auto 14px; }
.empty-state b { display: block; color: var(--text); font-size: 17px; margin-bottom: 4px; }
.setup { padding: 16px; background: var(--setup-bg); border-color: var(--setup-line); }
.setup b { display: block; margin-bottom: 4px; }
.setup ol { margin: 8px 0 12px; padding-left: 20px; color: var(--text-2); }
.setup li.ok { color: var(--green); text-decoration: line-through; }
.test-banner { padding: 16px; background: var(--amber-soft); border-color: var(--banner-line); color: var(--amber); font-size: 14px; }
.test-banner b { display: block; color: var(--text); font-size: 15px; margin-bottom: 4px; }
.answer { margin-top: 12px; display: grid; gap: 10px; }
.answer textarea { min-height: 110px; }
.remember { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-2); }
.remember input { width: 18px; height: 18px; accent-color: var(--accent); }
.working { display: flex; align-items: center; gap: 10px; margin-top: 12px; padding: 12px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-ink); font-weight: 550; font-size: 14px; }
.spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--accent); border-right-color: transparent; animation: spin 0.8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.link { background: none; border: 0; padding: 0; color: var(--accent-ink); font: inherit; font-weight: 600; cursor: pointer; }
.toast-undo { margin-left: 10px; background: none; border: 0; color: var(--toast-link); font: inherit; font-weight: 700; cursor: pointer; padding: 0; }
.toast {
  position: fixed; left: 50%; bottom: calc(84px + var(--safe-b)); transform: translateX(-50%) translateY(20px);
  background: var(--toast-bg); color: var(--toast-text); padding: 10px 16px; border-radius: 12px; font-size: 14px; font-weight: 520;
  opacity: 0; transition: 0.2s ease; pointer-events: none; z-index: 20; max-width: calc(100% - 32px);
}
.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }
.more { display: block; text-align: center; color: var(--text-2); font-size: 14px; padding: 10px; background: none; border: 0; width: 100%; cursor: pointer; }
.form-error { color: var(--red); font-size: 14px; margin-top: 10px; display: none; }
.form-error.on { display: block; }

.toast.on { pointer-events: auto; }

/* theme switch in Settings */
.seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; padding: 4px; border-radius: 12px; background: var(--grey-soft); }
.seg button { height: 36px; border: 0; border-radius: 9px; background: transparent; font-weight: 580; font-size: 14px; color: var(--text-2); cursor: pointer; }
.seg button.on { background: var(--card); color: var(--text); box-shadow: var(--shadow); }

/* Inbox tiles: one per group, tap to show only that group */
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0 4px; }
.tile {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 14px; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); cursor: pointer;
  transition: transform 0.08s ease, border-color 0.15s ease;
}
.tile:active { transform: scale(0.98); }
.tile-n { font-size: 28px; font-weight: 680; letter-spacing: -0.03em; line-height: 1.1; }
.tile-l { font-size: 13px; font-weight: 560; color: var(--text-2); }
.tile.accent .tile-n { color: var(--accent); }
.tile.amber .tile-n { color: var(--amber); }
.tile.blue .tile-n { color: var(--blue); }
.tile.red .tile-n { color: var(--red); }
.tile.zero .tile-n { color: var(--text-3); }
.tile.on { border-color: currentColor; box-shadow: 0 0 0 1px currentColor; }
.tile.accent.on { color: var(--accent); }
.tile.amber.on { color: var(--amber); }
.tile.blue.on { color: var(--blue); }
.tile.red.on { color: var(--red); }
.tile.on .tile-l { color: var(--text); }
h2 .count { color: var(--text-3); font-weight: 600; margin-left: 4px; }
.row.wait .btn { flex: none; }
.row.wait .meta { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }