:root {
  --bg: #f4f3ef; --surface: #fff; --text: #1c1d1f; --muted: #6b6e75; --line: #e2e0d9;
  --accent: #2f5bd3; --accent-text: #fff; --main: #b4532a; --side: #2f7d5b; --danger: #b3261e;
  --focus: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
  --radius: 12px; --shadow: 0 1px 2px rgb(0 0 0 / .05), 0 4px 16px rgb(0 0 0 / .04);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131416; --surface: #1c1e21; --text: #ecebe7; --muted: #9a9ca2; --line: #2d3035;
    --accent: #7c9cff; --accent-text: #0d1020; --main: #e48a5f; --side: #62c398; --danger: #ff8a80;
    --shadow: none; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
h1, h2 { margin: 0; letter-spacing: -.01em; }
h1 { font-size: 1.15rem; font-weight: 700; }
h1 span { color: var(--muted); font-weight: 500; }
h2 { font-size: 1rem; }
code { font: 13px/1.4 ui-monospace, "SF Mono", Consolas, monospace; }

button, input, textarea { font: inherit; color: inherit; }
button { border: 1px solid var(--line); background: var(--surface); padding: .45rem .9rem; border-radius: 8px;
  cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s; }
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.ghost { border-color: transparent; background: transparent; color: var(--muted); }
button.danger { color: var(--danger); }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: none; box-shadow: var(--focus); }
input[type=text], input:not([type]), input[type=password], input[type=url], input[type=number] { width: 100%; padding: .55rem .7rem; border: 1px solid var(--line);
  border-radius: 8px; background: var(--bg); }
label { display: grid; gap: .3rem; font-weight: 500; }
textarea { width: 100%; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg);
  font: 13px/1.45 ui-monospace, "SF Mono", Consolas, monospace; resize: vertical; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; }
.bar { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center;
  padding: .75rem max(16px, calc((100% - 860px) / 2)); background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.wrap { max-width: 860px; margin: 0 auto; padding: 1rem 16px 4rem; display: grid; gap: 2rem; }
.wrap > *, .feed > *, .secret > *, .list > * { min-width: 0; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: .75rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.list { display: grid; gap: .6rem; }
.empty { color: var(--muted); padding: 1rem; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: grid; gap: 1rem; padding: 1.5rem; }
.error { color: var(--danger); margin: 0; min-height: 1.2em; }
.banner { margin: 0; padding: .7rem 1rem; border-radius: 10px; background: color-mix(in srgb, var(--accent) 12%, var(--surface)); }
.banner.error { background: color-mix(in srgb, var(--danger) 12%, var(--surface)); }

#feed-form, #import-form, #source-form { display: grid; gap: 1rem; margin-bottom: .75rem; }
#source-form .sub, #web-roadmap-note { margin: 0; }
#source-form fieldset { display: grid; gap: .6rem; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: .75rem 1rem; align-items: end; }
label.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
label.check input { accent-color: var(--accent); width: 1.05rem; height: 1.05rem; margin: 0; }
.source { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.source .meta { flex: 1; min-width: 12rem; }
.source .bad { color: var(--danger); }
#import-form .sub { margin: 0; }
.preview { display: grid; gap: .5rem; }
.preview h3 { margin: 0; font-size: .95rem; }
.preview .table { overflow-x: auto; max-height: 22rem; border: 1px solid var(--line); border-radius: 8px; }
.preview table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.preview th, .preview td { text-align: left; padding: .35rem .6rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
.preview td:last-child { white-space: normal; }
.preview th { position: sticky; top: 0; background: var(--surface); font-weight: 600; }
.preview .warn { color: var(--main); margin: 0; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-weight: 500; margin-bottom: .4rem; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .65rem; border: 1px solid var(--line);
  border-radius: 999px; font-size: .88rem; font-weight: 500; cursor: pointer; user-select: none; }
.chip input { margin: 0; accent-color: var(--accent); }
.chip:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.chip.off { opacity: .55; }

.feed { display: grid; gap: .75rem; }
.feed.disabled { opacity: .65; }
.feed-top { display: flex; align-items: center; gap: .6rem; }
.feed-top .name { flex: 1; min-width: 0; font-weight: 600; border-color: transparent; background: transparent; padding: .3rem .4rem; }
.feed-top .name:hover { border-color: var(--line); }
.select { accent-color: var(--accent); width: 1.05rem; height: 1.05rem; }
.feed-bottom { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; }

.stream { display: flex; align-items: center; gap: .75rem; }
.stream .meta { flex: 1; min-width: 0; }
.stream .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; }
.sub { color: var(--muted); font-size: .85rem; }
.badge { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: .1rem .45rem;
  border-radius: 5px; color: var(--main); background: color-mix(in srgb, var(--main) 14%, transparent); }
.badge.side { color: var(--side); background: color-mix(in srgb, var(--side) 14%, transparent); }

.switch { position: relative; display: inline-flex; align-items: center; gap: .45rem; font-size: .85rem; color: var(--muted); cursor: pointer; }
.switch input { appearance: none; width: 2.3rem; height: 1.35rem; margin: 0; border-radius: 999px; background: var(--line);
  position: relative; cursor: pointer; transition: background .15s; }
.switch input::after { content: ""; position: absolute; top: .15rem; left: .15rem; width: 1.05rem; height: 1.05rem;
  border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgb(0 0 0 / .25); }
.switch input:checked { background: var(--side); }
.switch input:checked::after { transform: translateX(.95rem); }
.switch input:focus-visible { box-shadow: var(--focus); }

.secret { display: grid; gap: .6rem; border-color: var(--accent); }
.secret p { margin: 0; color: var(--muted); }
.secret-head { display: flex; justify-content: space-between; align-items: center; }
.copy-row { display: flex; gap: .5rem; align-items: center; }
.copy-row code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; padding: .5rem .6rem; background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; }
.plain { list-style: none; margin: 0; display: grid; gap: .4rem; }
.plain li { display: flex; gap: .5rem; flex-wrap: wrap; }
.plain .reason { color: var(--muted); }

@media (max-width: 560px) {
  .stream { flex-wrap: wrap; }
  .stream .meta { flex-basis: calc(100% - 4rem); }
  .feed-bottom .actions { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }