:root {
  --bg: #f4f5fb;
  --card: #ffffff;
  --text: #121528;
  --muted: #5d6280;
  --line: #e2e4f0;
  --accent: #5b5cf0;
  --accent-2: #8b5cf6;
  --accent-text: #ffffff;
  --ok: #12a150;
  --warn: #b26a00;
  --bad: #d63a4a;
  --soft: #eef0ff;
  --shadow: 0 1px 2px rgba(18, 21, 40, .05), 0 8px 24px rgba(18, 21, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0f1a; --card: #161a2b; --text: #eef0fa; --muted: #9aa0bd; --line: #262b44;
    --accent: #7b7cff; --accent-2: #a78bfa; --soft: #1e2340; --ok: #3ccf7f; --warn: #ffb547; --bad: #ff6b7a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
main { max-width: 640px; margin: 0 auto; padding: 0 16px 48px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 8px; }
p { margin: 0 0 12px; }
code { background: var(--soft); padding: 2px 6px; border-radius: 6px; font-size: .95em; word-break: break-all; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 640px; margin: 0 auto; padding: 14px 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: -.01em; }
.tv-pick {
  display: inline-flex; align-items: center; gap: 8px; max-width: 60%;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 14px; font-weight: 600;
}
.tv-pick span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tv-pick select { border: 0; background: transparent; color: inherit; font: inherit; max-width: 100%; padding: 0; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; opacity: .5; }
.tv-pick.on .dot { background: var(--ok); opacity: 1; box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }

.hero { padding: 24px 0 8px; }
.hero h1 { font-size: clamp(28px, 7vw, 40px); letter-spacing: -.02em; }
.hero p { color: var(--muted); font-size: 17px; }

.card { background: var(--card); border-radius: 18px; padding: 20px; box-shadow: var(--shadow); margin: 16px 0; border: 1px solid var(--line); }
.card h2 { font-size: 19px; }
.steps { margin: 0; padding-left: 22px; }
.steps li { margin: 8px 0; }

.how { display: grid; gap: 12px; margin-top: 16px; }
.how div { display: grid; gap: 2px; padding: 14px 16px; border-radius: 14px; background: var(--soft); }
.how span { color: var(--muted); font-size: 15px; }

.label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--muted); }
input:not([type=file]) {
  width: 100%; min-width: 0; font: inherit; font-size: 17px; color: var(--text);
  background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.code-row, .send-row { display: flex; gap: 8px; }
.code-row input { text-transform: uppercase; letter-spacing: .2em; font-weight: 700; text-align: center; font-size: 22px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 16px; border-radius: 12px; padding: 12px 18px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; color: var(--accent-text); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 35%, var(--line)); }
.btn.wide { width: 100%; margin-top: 10px; }
.btn.small { padding: 6px 12px; font-size: 14px; border-radius: 10px; }
.file-btn { cursor: pointer; }

.send.drag { outline: 2px dashed var(--accent); outline-offset: 4px; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; margin: 14px 0 4px; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.hint { color: var(--muted); font-size: 14px; text-align: center; margin: 10px 0 0; }
.err { color: var(--bad); font-weight: 500; margin: 12px 0 0; }
.warn { color: var(--warn); margin: 12px 0 0; }
.notice { background: color-mix(in srgb, var(--warn) 12%, var(--card)); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); border-radius: 14px; padding: 12px 16px; font-size: 15px; }

.list-title { font-size: 15px; color: var(--muted); font-weight: 600; margin: 28px 4px 8px; }
.items { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.item { display: flex; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.ico { width: 48px; height: 48px; border-radius: 12px; flex: none; object-fit: cover; }
.meta { min-width: 0; flex: 1; }
.name { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sub { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.state { font-size: 15px; margin-top: 4px; }
.s-installed .state { color: var(--ok); font-weight: 600; }
.s-failed .state, .s-blocked .state { color: var(--bad); }
.s-cancelled .state { color: var(--warn); }
.s-installing .state { color: var(--accent); font-weight: 700; }
.bar { height: 6px; background: var(--soft); border-radius: 99px; overflow: hidden; margin-top: 8px; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 99px; transition: width .3s; }
.s-queued .bar i, .s-downloading .bar i { min-width: 2%; }
.acts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.empty { color: var(--muted); text-align: center; padding: 20px; }

.foot { display: flex; justify-content: center; gap: 20px; margin-top: 32px; }
.link-btn { border: 0; background: none; color: var(--accent); font: inherit; font-weight: 600; cursor: pointer; padding: 8px; }

dialog.sheet {
  border: 0; border-radius: 20px; padding: 20px; width: min(520px, calc(100vw - 32px));
  background: var(--card); color: var(--text); box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
dialog::backdrop { background: rgba(8, 10, 20, .5); }
.choice-list { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 8px; max-height: 50vh; overflow: auto; }
.choice {
  width: 100%; text-align: left; display: grid; gap: 2px; padding: 12px 14px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--bg); color: var(--text); font: inherit; cursor: pointer;
}
.choice.best { border-color: var(--accent); background: var(--soft); }
.choice.nofit { opacity: .65; }
.cn { font-weight: 600; word-break: break-all; }
.cs { font-size: 13px; color: var(--muted); }
.choice.best .cs { color: var(--accent); font-weight: 600; }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 12px 18px; border-radius: 12px; font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25); max-width: calc(100vw - 32px); z-index: 10;
}