:root {
  --bg: #0c0c0d;
  --panel: #141416;
  --panel-raised: #1b1b1e;
  --ink: #f2efe9;
  --muted: #9a958b;
  --line: rgba(242, 239, 233, 0.14);
  --line-strong: rgba(242, 239, 233, 0.28);
  --accent: #ff5a3c;
  --accent-soft: rgba(255, 90, 60, 0.14);
  --danger: #ff6b5a;
  --ok: #8ad6a0;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(60rem 24rem at 12% -8%, rgba(255, 90, 60, 0.09), transparent 60%),
    radial-gradient(48rem 20rem at 88% 4%, rgba(122, 154, 255, 0.05), transparent 62%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

button, input { font: inherit; }

button { cursor: pointer; }

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(12, 12, 13, 0.82);
  backdrop-filter: blur(14px);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}

.wordmark-cn {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.08em;
}

.wordmark-en {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.masthead-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
}

.masthead-nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.masthead-nav a:hover,
.masthead-nav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.count {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.12em;
}

main {
  max-width: 1560px;
  margin: 0 auto;
  padding: clamp(36px, 6vw, 88px) clamp(20px, 4vw, 56px) 96px;
}

.intro {
  max-width: 760px;
  margin-bottom: clamp(36px, 5vw, 64px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.intro h1,
.admin-head h1,
.login-card h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 1.04;
  letter-spacing: 0.01em;
}

.intro-copy {
  max-width: 34ch;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.contacts {
  columns: 1;
  column-gap: 18px;
}

@media (min-width: 620px) { .contacts { columns: 2; } }
@media (min-width: 1024px) { .contacts { columns: 3; } }
@media (min-width: 1440px) { .contacts { columns: 4; } }

.contact {
  break-inside: avoid;
  margin: 0 0 18px;
}

.contact-open {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--panel);
  color: inherit;
  text-align: left;
}

.contact-frame {
  position: relative;
  min-height: 120px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), transparent 55%),
    var(--panel-raised);
}

.contact-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 12, 13, 0.5), transparent 34%);
  opacity: 0;
  transition: opacity 260ms var(--ease);
  pointer-events: none;
}

.contact-open:hover .contact-frame::after,
.contact-open:focus-visible .contact-frame::after { opacity: 1; }

.contact-frame img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: bottom;
  transition: transform 500ms var(--ease), opacity 400ms ease;
}

.contact-frame img[data-loaded="false"] { opacity: 0; }

.contact-open:hover .contact-frame img,
.contact-open:focus-visible .contact-frame img { transform: scale(1.015); }

.contact-index {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 1px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(12, 12, 13, 0.55);
  color: rgba(242, 239, 233, 0.78);
  font-size: 10px;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.contact-open:hover .contact-index,
.contact-open:focus-visible .contact-index { opacity: 1; }

.contact figcaption {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px 0;
  font-size: 12px;
}

.contact-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(242, 239, 233, 0.86);
}

.contact-meta {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.contact-dl {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.contact-dl:hover,
.contact-dl:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.empty {
  padding: 72px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

.empty p { margin: 4px 0; }

.empty a { color: var(--ink); }

.more-wrap {
  display: flex;
  justify-content: center;
  padding-top: 30px;
}

.more, .ghost {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  padding: 10px 22px;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.more:hover,
.more:focus-visible,
.ghost:hover,
.ghost:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 22px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  flex-direction: column;
  background: rgba(8, 8, 9, 0.97);
  backdrop-filter: blur(8px);
}

.lightbox[hidden] { display: none; }

.lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px clamp(16px, 3vw, 36px);
  border-bottom: 1px solid rgba(242, 239, 233, 0.1);
}

.lightbox-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  font-size: 13px;
}

.lightbox-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  font-size: 13px;
}

.lightbox-actions a,
.lightbox-actions button {
  color: var(--ink);
  text-decoration: none;
  border: 0;
  border-bottom: 1px solid transparent;
  background: none;
  padding: 2px 0;
}

.lightbox-actions a:hover,
.lightbox-actions button:hover,
.lightbox-actions a:focus-visible,
.lightbox-actions button:focus-visible {
  border-bottom-color: var(--accent);
}

.lightbox-stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 0;
  padding: 20px clamp(12px, 3vw, 36px) 32px;
}

.lightbox-stage img {
  max-width: calc(100% - 120px);
  max-height: 100%;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.lightbox-nav {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border: 1px solid rgba(242, 239, 233, 0.2);
  border-radius: 50%;
  background: rgba(20, 20, 22, 0.7);
  color: var(--ink);
  font-size: 17px;
  transition: border-color 160ms ease, background 160ms ease;
}

.lightbox-nav:hover,
.lightbox-nav:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Admin */
.login-view {
  display: flex;
  justify-content: center;
  padding-top: clamp(24px, 8vh, 90px);
}

.login-card {
  width: min(420px, 100%);
  padding: clamp(28px, 5vw, 44px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}

.login-card h1 {
  font-size: clamp(32px, 5vw, 44px);
  margin-bottom: 28px;
}

.login-card label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.login-card input {
  width: 100%;
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease;
}

.login-card input:focus { border-color: var(--accent); }

.primary {
  width: 100%;
  padding: 12px 18px;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: #170906;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: filter 160ms ease, transform 160ms var(--ease);
}

.primary:hover,
.primary:focus-visible { filter: brightness(1.08); transform: translateY(-1px); }

.form-error {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 13px;
}

.admin-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.admin-head h1 { font-size: clamp(36px, 5.5vw, 64px); }

.hint {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 176px;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  background:
    repeating-linear-gradient(-45deg, transparent 0 10px, rgba(255, 255, 255, 0.018) 10px 20px),
    var(--panel);
  text-align: center;
  transition: border-color 180ms ease, background 180ms ease;
}

.dropzone strong { font-size: 16px; font-weight: 500; }
.dropzone span { color: var(--muted); font-size: 12px; }

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.is-over {
  border-color: var(--accent);
  background:
    repeating-linear-gradient(-45deg, transparent 0 10px, rgba(255, 90, 60, 0.035) 10px 20px),
    var(--accent-soft);
  outline: none;
}

.queue {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.queue li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px 90px;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  font-size: 12px;
}

.queue-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-status { color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.queue-status.is-done { color: var(--ok); }
.queue-status.is-error { color: var(--danger); }

.queue progress {
  width: 100%;
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: var(--panel-raised);
  appearance: none;
}

.queue progress::-webkit-progress-bar { background: var(--panel-raised); border-radius: 999px; }
.queue progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
.queue progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }

.admin-list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: clamp(40px, 6vw, 72px) 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.admin-list-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: 0.02em;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.admin-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
}

.admin-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--panel-raised);
}

.admin-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.admin-card-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.admin-card-meta { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }

.admin-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.admin-card-actions a,
.admin-card-actions button {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.admin-card-actions a:hover,
.admin-card-actions button:hover,
.admin-card-actions a:focus-visible,
.admin-card-actions button:focus-visible {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--panel-raised);
}

.admin-card-actions .delete:hover,
.admin-card-actions .delete:focus-visible {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(255, 107, 90, 0.1);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  max-width: min(360px, calc(100vw - 44px));
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--panel-raised);
  color: var(--ink);
  font-size: 13px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.toast.is-error { border-color: var(--danger); color: var(--danger); }

@media (max-width: 720px) {
  .masthead { padding: 14px 20px; }
  .wordmark-en { display: none; }
  main { padding-top: 32px; }
  .admin-head { flex-direction: column; align-items: flex-start; }
  .queue li { grid-template-columns: minmax(0, 1fr) 90px; }
  .queue progress { grid-column: 1 / -1; }
  .lightbox-stage img { max-width: calc(100% - 84px); }
  .lightbox-nav { width: 36px; height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}