*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html,body{height:100%}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

:root{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --panel-2:#f2f4f9;
  --ink:#101827;
  --ink-2:#3b4254;
  --muted:#6b7280;
  --line:#e3e7ef;
  --line-2:#eef1f6;
  --accent:#2f73ff;
  --accent-soft:#eaf2ff;
  --title:#1d4ed8;
  --gold:#b3541a;
  --gold-soft:#ffe9d9;
  --chip:#eef1f6;
  --chip-active:#111827;
  --chip-active-ink:#ffffff;
  --shadow:0 12px 32px rgba(16,24,39,.06);
  --shadow-strong:0 24px 64px rgba(16,24,39,.18);
  --sidebar-w:232px;
}
html[data-theme="dark"]{
  --bg:#0c0f15;
  --panel:#141821;
  --panel-2:#1a1f2a;
  --ink:#e7ecf3;
  --ink-2:#c4cbd6;
  --muted:#8a93a3;
  --line:#242a37;
  --line-2:#1e2330;
  --accent:#6aa5ff;
  --accent-soft:#1a2542;
  --title:#7fb0ff;
  --gold:#f7a267;
  --gold-soft:#40260f;
  --chip:#1e2331;
  --chip-active:#e7ecf3;
  --chip-active-ink:#0c0f15;
  --shadow:0 14px 40px rgba(0,0,0,.45);
  --shadow-strong:0 28px 80px rgba(0,0,0,.65);
}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.6;
  display:grid;
  grid-template-columns:var(--sidebar-w) 1fr;
  min-height:100vh;
}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
input{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ── Sidebar ─────────────────────────────────────── */
.sidebar{
  position:sticky;top:0;height:100vh;
  padding:22px 16px 18px;
  border-right:1px solid var(--line);
  background:var(--panel);
  display:flex;flex-direction:column;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 10px;border-bottom:1px solid var(--line-2)}
.brand strong{font-size:1.02rem;font-weight:800;letter-spacing:.01em}

.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  color:var(--ink-2);font-size:.93rem;font-weight:500;
  transition:background .15s,color .15s;
}
.side-nav a:hover{background:var(--panel-2);color:var(--ink)}
.side-nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.side-nav .ico{font-size:1.05rem;width:22px;text-align:center}

.side-footer{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.side-credit{font-size:.75rem;color:var(--muted);text-align:center}

/* ── Theme switch ───────────────────────────────── */
.theme-switch{
  position:fixed;right:20px;bottom:20px;z-index:40;
  display:flex;gap:4px;padding:4px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:999px;box-shadow:var(--shadow);
}
.theme-switch button{
  width:36px;height:36px;border-radius:999px;
  font-size:1rem;color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s;
}
.theme-switch button:hover{color:var(--ink)}
.theme-switch button.active{background:var(--panel-2);color:var(--ink)}

/* ── Main stream ────────────────────────────────── */
.stream{padding:28px 32px 64px;max-width:1080px;width:100%}
.stream-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:20px;flex-wrap:wrap;margin-bottom:22px;
}
.stream-title h1{font-size:1.55rem;font-weight:800;letter-spacing:.01em}
.stream-title p{color:var(--muted);font-size:.88rem;margin-top:2px}
.search-box{
  display:flex;align-items:center;
  background:var(--panel);border:1px solid var(--line);
  border-radius:10px;padding:4px 12px;
  min-width:240px;
}
.search-box input{
  border:none;outline:none;background:transparent;color:var(--ink);
  padding:8px 0;width:100%;font-size:.92rem;
}
.search-box input::placeholder{color:var(--muted)}

.empty,.loading{padding:60px 0;text-align:center;color:var(--muted);font-size:.92rem}

.stream-foot{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;
  font-size:.8rem;color:var(--muted);
}

/* ── 今日精选 (Hero) ─────────────────────────────── */
.daily-picks{margin:0 0 28px}
.daily-picks[hidden]{display:none}
.daily-picks-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.daily-card{
  display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;
  box-shadow:var(--shadow);
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
  text-decoration:none;color:inherit;cursor:pointer;
  text-align:left;
}
.daily-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow-strong)}
.daily-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.daily-card-kicker{
  font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;
  display:flex;align-items:center;gap:6px;
}
.daily-card-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.daily-card-headline{font-size:1.1rem;font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:10px}
.daily-card-what{font-size:.9rem;color:var(--ink-2);line-height:1.55;margin-bottom:12px}
.daily-card-meta{
  display:grid;grid-template-columns:auto 1fr;gap:6px 10px;
  font-size:.82rem;color:var(--ink-2);line-height:1.5;margin-bottom:12px;
}
.daily-card-meta .k{color:var(--muted);font-weight:600;white-space:nowrap}
.daily-card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:10px;border-top:1px dashed var(--line-2);
  font-size:.74rem;color:var(--muted);gap:10px;
}
.daily-card-tags{display:flex;gap:6px;flex-wrap:wrap}
.daily-card-tags span{
  background:var(--chip);color:var(--ink-2);
  padding:2px 8px;border-radius:8px;font-size:.7rem;
}
.daily-card-source{font-family:ui-monospace,monospace;font-size:.7rem;text-align:right;flex-shrink:0}

/* ── List view (EARNING / 工具) ──────────────────── */
.list-view[hidden]{display:none}
.list-grid{
  display:grid;grid-template-columns:1fr;gap:14px;
}
.list-card{
  display:grid;grid-template-columns:160px 1fr;gap:18px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:14px;
  box-shadow:var(--shadow);
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
  cursor:pointer;text-align:left;
}
.list-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow-strong)}
.list-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.list-cover{
  width:100%;height:100%;min-height:110px;border-radius:10px;overflow:hidden;
  background:var(--panel-2);
}
.list-cover img{width:100%;height:100%;object-fit:cover;display:block}
.list-card-body{display:flex;flex-direction:column;min-width:0}
.list-card-top{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.74rem;color:var(--muted);margin-bottom:6px;
}
.list-date{
  background:var(--chip);color:var(--ink-2);
  padding:2px 8px;border-radius:8px;font-family:ui-monospace,monospace;font-size:.7rem;
}
.list-card-source{font-family:ui-monospace,monospace}
.list-card-headline{font-size:1.05rem;font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:6px}
.list-card-summary{
  font-size:.88rem;color:var(--ink-2);line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding-top:8px;border-top:1px dashed var(--line-2);
  font-size:.78rem;
}
.list-card-cta{color:var(--accent);font-weight:600;font-size:.78rem;flex-shrink:0}

.list-pager{
  margin-top:24px;display:flex;align-items:center;justify-content:center;gap:14px;
  font-size:.88rem;color:var(--ink-2);
}
.pager-btn{
  background:var(--panel);border:1px solid var(--line);
  padding:8px 16px;border-radius:10px;color:var(--ink);
  transition:background .15s, border-color .15s;
}
.pager-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pager-btn:disabled{opacity:.4;cursor:not-allowed}
.pager-info{font-family:ui-monospace,monospace;color:var(--muted);font-size:.85rem}

/* ── Modal (居中) ───────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(8,12,20,.62);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.modal-overlay[hidden]{display:none}
.modal{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:18px;
  width:min(720px, 100%);
  max-height:88vh;overflow-y:auto;
  padding:32px 36px 28px;
  box-shadow:var(--shadow-strong);
  animation:modalIn .2s ease-out;
}
@keyframes modalIn{
  from{opacity:0;transform:translateY(8px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.modal-close{
  position:absolute;top:14px;right:16px;
  width:34px;height:34px;border-radius:50%;
  font-size:1.4rem;line-height:1;color:var(--muted);
  background:var(--panel-2);
  display:flex;align-items:center;justify-content:center;
  transition:background .15s, color .15s;
}
.modal-close:hover{background:var(--line);color:var(--ink)}

.modal-kicker{
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  color:var(--accent);margin-bottom:8px;
}
.modal-headline{
  font-size:1.5rem;font-weight:800;line-height:1.35;
  color:var(--ink);margin-bottom:10px;
}
.modal-what{
  font-size:1rem;color:var(--ink-2);line-height:1.6;margin-bottom:18px;
}
.modal-cover{
  margin:6px 0 18px;border-radius:12px;overflow:hidden;
  background:var(--panel-2);
}
.modal-cover img{width:100%;height:auto;display:block;max-height:360px;object-fit:cover}
.modal-meta{
  display:grid;gap:8px;
  background:var(--panel-2);border:1px solid var(--line-2);
  border-radius:12px;padding:14px 16px;margin-bottom:18px;
  font-size:.9rem;color:var(--ink-2);
}
.modal-meta>div{display:grid;grid-template-columns:80px 1fr;gap:12px;line-height:1.5}
.modal-meta .k{color:var(--muted);font-weight:600}

.modal-article{font-size:.95rem;color:var(--ink-2);line-height:1.85}
.modal-article p{margin-bottom:14px;text-indent:2em}
.modal-article p:last-child{margin-bottom:0}
.modal-article strong{color:var(--ink-1);font-weight:600}
.modal-article .muted{color:var(--muted)}

.modal-foot{
  margin-top:22px;padding-top:16px;border-top:1px dashed var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.modal-link{
  color:var(--accent);font-weight:600;font-size:.92rem;
}
.modal-link:hover{text-decoration:underline}
.modal-source{
  margin-top:8px;font-size:.72rem;color:var(--muted);
  font-family:ui-monospace,monospace;
}

/* ── AI 导航 ────────────────────────────────────── */
.nav-view[hidden]{display:none}
.nav-section{margin-bottom:36px}
.nav-section-head{margin-bottom:14px}
.nav-section-title{font-size:1.05rem;font-weight:600;color:var(--ink);margin:0 0 4px;letter-spacing:.02em}
.nav-section-desc{font-size:.82rem;color:var(--muted);margin:0;line-height:1.5}
.nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.nav-card{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 14px;border:1px solid var(--line-2);
  border-radius:8px;background:var(--panel);
  text-decoration:none;color:inherit;
  transition:border-color .12s, background .12s, transform .12s;
}
.nav-card:hover{border-color:var(--accent);background:var(--panel-2);transform:translateY(-1px)}
.nav-card-icon{
  width:32px;height:32px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel-2);border-radius:6px;overflow:hidden;
}
.nav-card-icon img{width:22px;height:22px;object-fit:contain}
.nav-card-body{flex:1;min-width:0}
.nav-card-name{font-size:.92rem;font-weight:600;color:var(--ink);line-height:1.3}
.nav-card-tagline{
  font-size:.78rem;color:var(--ink-2);margin-top:3px;line-height:1.4;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.nav-card-host{font-size:.7rem;color:var(--muted);margin-top:4px;font-family:ui-monospace,monospace}

/* ── Mobile ─────────────────────────────────────── */
@media (max-width: 780px){
  body{grid-template-columns:1fr}
  .sidebar{
    position:static;height:auto;
    flex-direction:row;align-items:center;
    padding:12px 16px;gap:12px;overflow-x:auto;
  }
  .brand{border-bottom:none;padding:0;flex-shrink:0}
  .side-nav{flex-direction:row;gap:2px;flex:1}
  .side-nav a{padding:6px 10px;font-size:.82rem;white-space:nowrap}
  .side-nav a span:first-child{display:none}
  .side-footer{flex-direction:row;gap:8px;margin:0}
  .side-credit{display:none}
  .theme-switch{right:12px;bottom:12px;padding:3px}
  .theme-switch button{width:32px;height:32px;font-size:.9rem}
  .stream{padding:18px 16px 48px}
  .stream-head{flex-direction:column;align-items:stretch}
  .search-box{min-width:0}

  .daily-picks-grid{grid-template-columns:1fr;gap:12px}
  .daily-card{padding:14px 16px}
  .daily-card-headline{font-size:1.02rem}

  .list-card{grid-template-columns:1fr;gap:10px;padding:12px}
  .list-cover{min-height:160px;max-height:220px}
  .list-card-headline{font-size:1rem}

  .modal{padding:24px 20px 20px;max-height:92vh;border-radius:14px}
  .modal-headline{font-size:1.2rem}
  .modal-meta>div{grid-template-columns:64px 1fr;gap:8px;font-size:.85rem}

  .nav-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
}