:root {
  --bg: #0b0d10;
  --surface: #14181d;
  --surface-2: #1b2027;
  --border: #262c34;
  --text: #e8ecf1;
  --muted: #9aa4b2;
  --accent: #4f8cff;
  --accent-2: #ffb020;
  --danger: #ff5c6c;
  --radius: 14px;
  --maxw: 640px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- logo ---------- */
.logo { font-weight: 800; font-size: 2rem; letter-spacing: -.02em; }
.logo span { color: var(--accent); }
.logo.small { font-size: 1.25rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem; padding: .7rem 1.1rem; border-radius: 999px;
  font-weight: 600; border: 1px solid var(--border); cursor: pointer;
  background: var(--surface-2); color: var(--text);
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.btn.full { width: 100%; }
.linkbtn { background: none; border: none; color: var(--muted); cursor: pointer; font: inherit; }
.linkbtn:hover { color: var(--text); }

/* ---------- landing ---------- */
.landing { min-height: 100dvh; display: grid; place-items: center; padding: 1.5rem; }
.landing-inner { text-align: center; max-width: 420px; }
.landing .logo { font-size: 3rem; }
.tagline { color: var(--muted); font-size: 1.15rem; margin: .5rem 0 2rem; }
.landing-actions { display: flex; flex-direction: column; gap: .75rem; }
.landing-note { color: var(--muted); font-size: .85rem; margin-top: 1.5rem; }

/* ---------- auth ---------- */
.auth { min-height: 100dvh; display: grid; place-items: center; padding: 1.25rem; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.auth-card { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: .85rem; }
.auth-card h1 { margin: .25rem 0 .5rem; font-size: 1.3rem; }
.auth-card label { display: flex; flex-direction: column; gap: .35rem; font-size: .85rem; color: var(--muted); }
input, textarea, select {
  width: 100%; padding: .7rem .8rem; border-radius: 10px; font: inherit;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.error { color: var(--danger); font-size: .9rem; margin: 0; }
.back { color: var(--muted); text-align: center; font-size: .85rem; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem; background: rgba(11,13,16,.85);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.topnav { display: flex; align-items: center; gap: 1rem; font-size: .9rem; }
.topnav a { color: var(--muted); }
.topnav a:hover { color: var(--text); }
.inline { display: inline; margin: 0; }

/* ---------- feed layout ---------- */
.feed, .admin { max-width: var(--maxw); margin: 0 auto; padding: 1rem; }
.page-title { font-size: 1.4rem; margin: .25rem 0 1rem; }

.controls {
  position: sticky; top: 56px; z-index: 5;
  display: flex; flex-direction: column; gap: .6rem;
  background: var(--bg); padding: .5rem 0 .75rem;
}
.search-row input { border-radius: 999px; }
.filter-row .select { border-radius: 999px; }
.toggle-row { display: flex; gap: .5rem; }
.toggle {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .55rem .5rem; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); font-size: .85rem; cursor: pointer; user-select: none;
}
.toggle input { display: none; }
.toggle:has(input:checked) { background: var(--accent); border-color: var(--accent); color: #fff; }
.toggle.small { flex: 0 0 auto; }

/* ---------- article cards ---------- */
.feed-list { display: flex; flex-direction: column; gap: .85rem; margin-top: .5rem; }
.article {
  padding: 0; overflow: hidden; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); transition: border-color .15s;
}
.article:hover { border-color: #33404f; }
.article.read { opacity: .6; }
.article .thumb { width: 100%; aspect-ratio: 16/9; overflow: hidden; background: var(--surface-2); }
.article .thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-body { padding: .85rem 1rem 1rem; display: flex; flex-direction: column; gap: .5rem; }
.meta { display: flex; align-items: center; gap: .5rem; font-size: .78rem; color: var(--muted); flex-wrap: wrap; }
.chip {
  display: inline-block; padding: .12rem .5rem; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: .72rem; text-transform: capitalize;
}
.chip.subject { color: var(--accent-2); border-color: #3a3320; background: #1e1a10; }
.src { font-weight: 600; }
.headline { font-size: 1.05rem; line-height: 1.35; margin: 0; }
.summary { color: var(--muted); font-size: .9rem; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.grouped summary { cursor: pointer; color: var(--accent); font-size: .85rem; }
.grouped ul { margin: .5rem 0 0; padding-left: 1rem; font-size: .85rem; color: var(--muted); }
.actions { display: flex; gap: .5rem; margin-top: .25rem; }
.save-btn {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  padding: .4rem .8rem; border-radius: 999px; font-size: .82rem; cursor: pointer;
}
.save-btn.on { background: #2a2413; border-color: var(--accent-2); color: var(--accent-2); }

.empty { text-align: center; padding: 3rem 1rem; color: var(--text); }
.muted { color: var(--muted); }

/* ---------- admin ---------- */
.admin .card { margin-bottom: 1rem; }
.admin h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
.admin textarea { resize: vertical; margin-bottom: .75rem; font-family: ui-monospace, monospace; }
.banner { background: #12331f; border: 1px solid #1e5c37; color: #8ff0b5;
  padding: .6rem .9rem; border-radius: 10px; margin-bottom: 1rem; font-size: .9rem; }
.rank-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.rank-item {
  display: flex; align-items: center; gap: .6rem; padding: .6rem;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
}
.rank-item.inactive { opacity: .5; }
.rank-arrows { display: flex; flex-direction: column; gap: 2px; }
.rank-arrows form, .rank-actions form { margin: 0; }
.rank-arrows button, .rank-actions button {
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: .2rem .45rem; cursor: pointer; font-size: .8rem; line-height: 1;
}
.rank-main { flex: 1; min-width: 0; }
.rank-title { font-weight: 600; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-sub { font-size: .78rem; color: var(--muted); }
.rank-actions { display: flex; gap: .3rem; }
.user-form { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.user-form input { flex: 1; min-width: 140px; width: auto; }

@media (min-width: 560px) {
  .toggle-row { max-width: 60%; }
}