/* 梦幻樱 v2 — 统一设计系统 */
/* 
 * FLAT DESIGN + SAKURA THEME
 * 每个页面定义自己的 :root / [data-theme="light"] 变量
 * 本文件提供共享组件类
 */

/* ── Reset ────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; transition:background .4s,color .4s; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
button, input, textarea, select { font-family:inherit; font-size:inherit; }

/* ── Scrollbar ────────────────────────────── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(255,255,255,.15); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:rgba(255,255,255,.25); }

/* ── Buttons ──────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:10px 20px; border-radius:12px; font-size:14px; font-weight:600;
  cursor:pointer; border:none; font-family:inherit; min-height:44px; line-height:1;
  transition:transform .15s,box-shadow .15s,background .2s;
}
.btn:active { transform:scale(.97); }
.btn-primary {
  background:linear-gradient(135deg,#e04f9b,#a855f7); color:#fff;
  box-shadow:0 2px 8px rgba(224,79,155,.25);
}
.btn-primary:hover { box-shadow:0 4px 16px rgba(224,79,155,.4); }
.btn-outline {
  background:rgba(255,255,255,.08); color:var(--text);
  border:1.5px solid rgba(255,255,255,.15); font-weight:500;
}
[data-theme="light"] .btn-outline {
  background:rgba(0,0,0,.03); border-color:rgba(0,0,0,.12);
}
.btn-sm { padding:6px 14px; font-size:12px; font-weight:500; min-height:34px; border-radius:8px; }
.btn-icon {
  width:40px; height:40px; border-radius:50%; display:inline-flex;
  align-items:center; justify-content:center; cursor:pointer;
  border:1px solid var(--border,rgba(255,255,255,.08));
  background:var(--bg-card,rgba(255,255,255,.06));
  color:var(--text); font-size:18px; line-height:1; transition:background .2s;
  flex-shrink:0;
}
.btn-icon:hover { background:rgba(224,79,155,.12); }
[data-theme="light"] .btn-icon { border-color:rgba(0,0,0,.08); }

/* ── Topbar ────────────────────────────────── */
.topbar {
  position:sticky; top:0; z-index:100;
  display:flex; align-items:center; gap:10px;
  padding:12px 16px; background:rgba(26,26,46,.85);
  border-bottom:1px solid var(--border,rgba(255,255,255,.08));
  backdrop-filter:blur(12px);
}
[data-theme="light"] .topbar { background:rgba(245,245,245,.85); }
.topbar .back-btn {
  color:var(--accent,#e04f9b); text-decoration:none; font-size:14px;
  padding:8px 12px; border-radius:8px; border:1px solid var(--border,rgba(255,255,255,.08));
  background:var(--bg-card,rgba(255,255,255,.06)); min-height:40px;
  display:flex; align-items:center; flex-shrink:0;
}
.topbar .title {
  font-size:15px; font-weight:700; flex:1; text-align:center;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.topbar .theme-btn {
  background:none; border:none; color:var(--text); cursor:pointer;
  padding:8px; border-radius:10px; font-size:18px; line-height:1;
}

/* ── Cards ─────────────────────────────────── */
.card {
  background:var(--bg-card,rgba(255,255,255,.06));
  border:1px solid var(--border,rgba(255,255,255,.08));
  border-radius:var(--radius,12px); padding:16px; margin-bottom:14px;
}
[data-theme="light"] .card {
  background:rgba(255,255,255,.75); border-color:rgba(0,0,0,.06);
}

/* ── Hero Section ──────────────────────────── */
.hero {
  position:relative; overflow:hidden; border-radius:var(--radius,12px);
  margin-bottom:14px;
}
.hero-bg {
  position:absolute; inset:0; background-size:cover; background-position:center;
  filter:blur(24px) brightness(.35) saturate(1.5); z-index:0;
}
[data-theme="light"] .hero-bg { filter:blur(24px) brightness(1.05) saturate(.8); }
.hero-content {
  position:relative; z-index:1; display:flex; gap:18px; padding:20px;
  border-radius:var(--radius,12px); background:rgba(26,26,46,.4);
}
[data-theme="light"] .hero-content { background:rgba(255,255,255,.5); }
.hero-cover {
  flex-shrink:0; width:200px; border-radius:10px; overflow:hidden;
  box-shadow:0 6px 24px rgba(0,0,0,.5); background:#1a1a1a;
}
[data-theme="light"] .hero-cover { box-shadow:0 6px 24px rgba(0,0,0,.12); }
.hero-cover img { width:100%; aspect-ratio:3/4; object-fit:cover; display:block; }
.hero-cover .no-cover {
  width:100%; aspect-ratio:3/4; display:flex; align-items:center;
  justify-content:center; background:linear-gradient(135deg,#4f46e5,#e04f9b);
  font-size:3em; color:#fff;
}
.hero-info {
  flex:1; min-width:0; display:flex; flex-direction:column; gap:8px;
}
.hero-info h1 { font-size:20px; font-weight:700; line-height:1.4; word-break:break-word; }
.hero-info .hero-subtitle { font-size:14px; color:var(--text-secondary,#aaa); }
.hero-meta {
  display:flex; gap:16px; flex-wrap:wrap; font-size:13px; color:var(--text-secondary,#aaa);
}
.hero-desc { position:relative; }
.hero-desc p {
  font-size:13px; color:var(--text-secondary,#aaa); line-height:1.7;
  max-height:4.25em; overflow:hidden; transition:max-height .3s;
}
.hero-desc p.expanded { max-height:20em; }
.hero-desc .desc-expand {
  display:none; border:none; background:none; color:var(--accent,#e04f9b);
  cursor:pointer; font-size:12px; font-family:inherit; padding:4px 0; margin-top:2px;
}
.hero-actions { display:flex; gap:10px; margin-top:4px; flex-wrap:wrap; }
.hero-actions .btn { flex:1; }

/* ── Tags ──────────────────────────────────── */
.tag {
  display:inline-flex; align-items:center; font-size:12px;
  padding:4px 10px; border-radius:14px;
  background:rgba(224,79,155,.15); border:1px solid rgba(224,79,155,.25);
  color:#c4b5fd;
}
[data-theme="light"] .tag { background:rgba(224,79,155,.08); border-color:rgba(224,79,155,.2); color:#6d28d9; }

/* ── States ────────────────────────────────── */
.loading { text-align:center; padding:60px 20px; color:var(--text-secondary,#aaa); }
.error { text-align:center; padding:60px 20px; color:#ef4444; }
.empty { text-align:center; padding:40px 20px; color:var(--text-secondary,#aaa); font-size:13px; }

/* ── Sakura Petals ─────────────────────────── */
.sakura-container { position:fixed; inset:0; z-index:9999; pointer-events:none; overflow:hidden; }
.sakura-petal { position:absolute; top:-20px; opacity:0; animation:sakuraFall linear infinite; }
@keyframes sakuraFall {
  0% { opacity:0; transform:translateX(0) rotate(0deg); }
  10% { opacity:.7; }
  90% { opacity:.5; }
  100% { opacity:0; transform:translateX(-80px) rotate(360deg); top:105vh; }
}

/* ── Utility ───────────────────────────────── */
.hidden { display:none!important; }
.text-center { text-align:center; }
.text-secondary { color:var(--text-secondary,#aaa); }
.mt-1 { margin-top:.5rem; } .mt-2 { margin-top:1rem; }
.mb-1 { margin-bottom:.5rem; } .mb-2 { margin-bottom:1rem; }

/* ── Responsive ────────────────────────────── */
@media (max-width:768px) {
  .hero-content { flex-direction:column; padding:14px; }
  .hero-cover { width:100px; }
}
@media (max-width:480px) {
  .hero-cover { width:80px; }
  .hero-info h1 { font-size:17px; }
  .btn { padding:8px 14px; font-size:13px; min-height:40px; }
}