/* 面哩面哩 V0.2: one shared, responsive light theme. */
:root {
  color-scheme: light;
  --bg: #FFFFFF;
  --panel: #F8F9FA;
  --text: #24292F;
  --muted: #6B7280;
  --accent: #F04482;
  --accent-dark: #BC205B;
  --border: #E8EBEF;
  --pink-soft: #FFF1F6;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.65 system-ui, "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-dark); }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); }
.nav-wrap, main, footer { width: min(100%, 1280px); margin: auto; padding-inline: 32px; }
.nav-wrap { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; color: var(--accent); font-size: 27px; font-weight: 800; letter-spacing: 1px; }
.brand:hover { color: var(--accent-dark); }
.brand-icon { width: 35px; height: 29px; display: grid; place-items: center; padding-left: 2px; border: 2px solid currentColor; border-radius: 9px; font-size: 15px; transform: rotate(-6deg); }
nav { display: flex; align-items: center; gap: 25px; flex-wrap: wrap; }
nav a, nav .quiet { min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; }
nav a[aria-current="page"] { color: var(--accent-dark); }
nav form { margin: 0; }
main { min-height: calc(100vh - 180px); padding-block: 36px 64px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(26px, 3vw, 36px); line-height: 1.45; letter-spacing: -.6px; overflow-wrap: anywhere; }
h2 { font-size: 22px; line-height: 1.5; margin-bottom: 14px; }
h3 { font-size: 17px; line-height: 1.5; }
.muted, small { color: var(--muted); }
.eyebrow { color: var(--accent-dark); font-size: 13px; letter-spacing: 2px; font-weight: 600; margin-bottom: 10px; }
.welcome { background: var(--pink-soft); border-radius: 20px; padding: 32px 36px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.welcome h1 { font-size: clamp(24px, 2.6vw, 32px); margin-bottom: 8px; }
.welcome p:last-child { margin-bottom: 0; }
.welcome-play { display: grid; place-items: center; flex: 0 0 86px; height: 70px; padding-left: 5px; border: 3px solid #F9A8C7; color: var(--accent); border-radius: 20px; transform: rotate(8deg); font-size: 30px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; flex-wrap: wrap; margin: 32px 0 20px; }
.section-heading h2 { margin: 0; }
.section-heading > span { font-size: 13px; }
.count { font-size: 13px; font-weight: 500; vertical-align: middle; color: var(--muted); background: var(--panel); border-radius: 20px; padding: 3px 10px; margin-left: 6px; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 20px; }
.card { display: block; min-width: 0; border: 1px solid var(--border); border-radius: 13px; background: var(--bg); overflow: hidden; transition: box-shadow .18s, transform .18s; }
.card:hover { color: var(--text); transform: translateY(-3px); box-shadow: 0 8px 22px #24292F0D; }
.card:hover h3 { color: var(--accent-dark); }
.thumbnail { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--panel); }
.thumbnail img { display: block; width: 100%; height: 100%; object-fit: cover; }
.placeholder { height: 100%; display: flex; gap: 10px; align-items: center; justify-content: center; background: linear-gradient(120deg, #FFF1F6, #F8F9FA); color: var(--accent-dark); font-weight: 600; }
.play-badge { position: absolute; bottom: 9px; right: 10px; width: 28px; height: 24px; background: #FFFFFFEE; border-radius: 7px; color: var(--accent-dark); display: grid; place-items: center; font-size: 12px; }
.card-body { padding: 14px; }
.card h3 { margin: 0 0 10px; overflow-wrap: anywhere; }
.card-meta { color: var(--muted); font-size: 11px; display: flex; flex-wrap: wrap; align-items: center; gap: 5px 8px; margin: 0; }
.badge { display: inline-block; font-size: 11px; line-height: 1.6; color: #96536A; background: var(--pink-soft); padding: 2px 7px; border-radius: 5px; white-space: nowrap; }
.empty { grid-column: 1/-1; background: var(--panel); border: 1px dashed #DDE1E6; border-radius: 16px; padding: 56px 24px; text-align: center; }
.empty h3 { margin-bottom: 8px; }
.empty-icon, .login-icon { display: inline-grid; place-items: center; width: 52px; height: 46px; border-radius: 15px; background: var(--pink-soft); color: var(--accent); margin-bottom: 18px; padding-left: 3px; font-size: 22px; }
.panel { background: var(--panel); border: 1px solid var(--border); padding: 28px; border-radius: 16px; margin-bottom: 26px; }
.login { max-width: 480px; margin: 20px auto 36px; background: var(--bg); padding: 36px; box-shadow: 0 10px 36px #24292F08; }
.login h1 { font-size: 25px; margin-bottom: 12px; }
.login form { margin-top: 24px; }
.login-note { font-size: 12px; text-align: center; margin: 20px 0 0; }
.login > .text-link { display: block; text-align: center; margin-top: 12px; }
label { display: block; font-weight: 600; font-size: 14px; margin: 18px 0; }
input:not([type="checkbox"]), select { display: block; width: 100%; min-width: 0; min-height: 46px; border: 1px solid #D4D9E0; border-radius: 8px; padding: 11px 12px; margin-top: 7px; background: var(--bg); color: var(--text); }
input::placeholder { color: var(--muted); font-weight: 400; }
input[type="file"] { max-width: 100%; font-size: 13px; }
input[type="file"]::file-selector-button { background: var(--pink-soft); border: 0; border-radius: 5px; color: var(--accent-dark); padding: 5px 9px; margin-right: 10px; cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent); width: 18px; height: 18px; flex-shrink: 0; margin: 3px 0 0; }
button, .button { display: inline-flex; min-height: 44px; justify-content: center; align-items: center; border: 1px solid transparent; border-radius: 8px; padding: 10px 22px; background: var(--accent); color: #FFFFFF; font-weight: 650; cursor: pointer; }
button:hover, .button:hover { background: var(--accent-dark); color: #FFFFFF; }
.full-width { width: 100%; }
.quiet { background: transparent; color: var(--muted); padding: 0 5px; }
.quiet:hover { background: var(--pink-soft); color: var(--accent-dark); }
.alert { border: 1px solid #F3BCC8; background: #FFF3F5; color: #A32144; padding: 12px 14px; border-radius: 8px; font-size: 14px; overflow-wrap: anywhere; }
.notice { background: var(--bg); border-left: 3px solid var(--accent); padding: 10px 14px; color: var(--muted); font-size: 13px; }
.page-heading { margin-bottom: 26px; }
.page-heading h1 { margin-bottom: 10px; }
.form-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.form-columns label { min-width: 0; margin-block: 0; }
.manage-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.manage-heading h3 { margin: 0; }
.manage-panel > .muted { font-size: 12px; margin-top: 8px; }
.text-link, .back-link { color: var(--accent-dark); font-weight: 600; }
.delete-form { border-top: 1px solid var(--border); margin-top: 24px; padding-top: 8px; }
.checkbox-label { display: flex; align-items: flex-start; gap: 9px; font-weight: 400; }
.danger { background: var(--bg); border-color: #E6A2AE; color: #B42342; }
.danger:hover { color: #FFFFFF; background: #B42342; }
.back-link { display: inline-block; margin-bottom: 20px; min-height: 30px; }
.watch-panel { overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: var(--bg); }
video { display: block; width: 100%; aspect-ratio: 16/9; max-height: 75vh; background: var(--panel); }
.watch-info { padding: 24px; }
.watch-info h1 { font-size: clamp(23px, 3vw, 30px); margin-bottom: 12px; }
.watch-info p { font-size: 13px; margin-bottom: 0; }
footer { border-top: 1px solid var(--border); color: var(--muted); padding-block: 24px; font-size: 12px; display: flex; gap: 12px 22px; flex-wrap: wrap; }
.footer-brand { font-weight: 700; color: var(--accent-dark); }
@media (max-width: 1100px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .nav-wrap, main, footer { padding-inline: 20px; }
  .nav-wrap { padding-block: 15px; gap: 10px; flex-wrap: wrap; }
  .brand { font-size: 24px; }
  nav { gap: 18px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 12px; }
  .welcome { padding: 24px; }
  .welcome-play { display: none; }
  .form-columns { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .form-columns label { margin-block: 12px; }
  .login { margin-top: 4px; padding: 26px; }
  .panel { padding: 22px; }
}
@media (max-width: 420px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
  .nav-wrap, main, footer { padding-inline: 16px; }
  .nav-wrap { gap: 4px; }
  nav { width: 100%; justify-content: flex-start; gap: 22px; }
  main { padding-top: 24px; }
  .welcome { padding: 22px 20px; }
  .login { padding: 24px 20px; }
  .login h1 { font-size: 23px; }
  .section-heading { margin-top: 26px; }
  .watch-info { padding: 18px; }
  .watch-info .badge { margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) { .card { transition: none; } .card:hover { transform: none; } }