:root {
  --bg: oklch(0.985 0.004 260);
  --surface: oklch(1 0 0);
  --surface-soft: oklch(0.972 0.006 260);
  --border: oklch(0.915 0.008 260);
  --border-strong: oklch(0.865 0.012 260);
  --text: oklch(0.28 0.02 260);
  --text-soft: oklch(0.52 0.015 260);
  --text-faint: oklch(0.66 0.012 260);
  --accent: oklch(0.63 0.19 42);
  --accent-soft: oklch(0.95 0.035 75);
  --danger: oklch(0.58 0.19 25);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px oklch(0.3 0.02 260 / 0.06), 0 8px 24px oklch(0.3 0.02 260 / 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { margin: 0; font-size: 16px; font-weight: 650; letter-spacing: -0.01em; }

.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.badge {
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-weight: 500;
}

.status { font-size: 12.5px; color: var(--text-soft); }
.status.ok { color: var(--accent); }
.status.err { color: var(--danger); }

.layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 24px;
  padding: 24px 28px 48px;
  align-items: start;
  max-width: 1600px;
  margin: 0 auto;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 84px;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--surface-soft);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.tab {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-soft);
  cursor: pointer;
  font-family: inherit;
}
.tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px oklch(0.3 0.02 260 / 0.08); }

.hidden { display: none !important; }

.field { display: block; margin-bottom: 14px; }
.label { display: block; font-size: 12.5px; color: var(--text-soft); margin-bottom: 6px; font-weight: 550; }
.label b { color: var(--accent); font-weight: 650; }

textarea, select, input[type="file"] {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}
textarea:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type="file"] { padding: 7px; font-size: 12.5px; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button {
  min-width: 34px;
  padding: 6px 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 8px;
  cursor: pointer;
  font-size: 12.5px;
  font-family: inherit;
  color: var(--text-soft);
}
.chips button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  font-weight: 600;
}

.hint { font-size: 12px; color: var(--text-faint); margin: 0 0 14px; }

.primary {
  width: 100%;
  padding: 11px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: white;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.primary:hover:not(:disabled) { filter: brightness(1.06); }
.primary:disabled { opacity: 0.55; cursor: not-allowed; }

.preview { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.preview img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }

.gallery-wrap { min-width: 0; }
.gallery-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.gallery-head h2 { margin: 0; font-size: 15px; font-weight: 650; }
.actions { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-faint); }

.ghost {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-soft);
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12.5px;
  font-family: inherit;
}
.ghost:hover { border-color: var(--accent); color: var(--accent); }

.notice {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-soft);
}
.notice.ok { border-color: oklch(0.86 0.06 140); background: oklch(0.97 0.025 140); color: oklch(0.42 0.09 145); }
.notice.err { border-color: oklch(0.87 0.06 25); background: oklch(0.97 0.025 25); color: var(--danger); }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.empty {
  grid-column: 1 / -1;
  padding: 48px 0;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 4px 18px oklch(0.3 0.02 260 / 0.10); }

.card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  background: var(--surface-soft);
}

.card-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-faint);
}
.card-bar a { color: var(--accent); text-decoration: none; font-weight: 550; }
.card-bar button {
  border: 0; background: transparent; color: var(--text-faint);
  cursor: pointer; font-size: 11.5px; font-family: inherit; padding: 2px 4px;
}
.card-bar button:hover { color: var(--danger); }
.card-actions { display: flex; align-items: center; gap: 8px; }

.lightbox {
  position: fixed; inset: 0;
  background: oklch(0.2 0.01 260 / 0.82);
  display: flex; align-items: center; justify-content: center;
  z-index: 50; padding: 40px;
}
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 10px; }
.lightbox .close {
  position: absolute; top: 18px; right: 22px;
  border: 0; background: transparent; color: white;
  font-size: 34px; cursor: pointer; line-height: 1;
}

/* ---------- 登录层 ---------- */

.topbar-right { display: flex; align-items: center; gap: 14px; }

.user-area { display: flex; align-items: center; gap: 8px; }

/* hidden 属性必须能压过上面的 display 声明，否则遮罩会拦截点击、用户区会提前显示 */
.login-layer[hidden],
.user-area[hidden],
.card[hidden] { display: none !important; }

.user-chip {
  font-size: 12.5px;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 550;
}

.login-layer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: oklch(0.975 0.006 260);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 28px 24px;
  box-shadow: 0 2px 6px oklch(0.3 0.02 260 / 0.06), 0 24px 50px oklch(0.3 0.02 260 / 0.10);
}

.login-brand { text-align: center; margin-bottom: 22px; }

.login-brand .brand-mark {
  width: 46px;
  height: 46px;
  margin: 0 auto 12px;
  border-radius: 13px;
  background: var(--accent);
  color: white;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-brand h2 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.login-brand p { margin: 0; font-size: 12.5px; color: var(--text-soft); }

.login-card .field { margin-bottom: 14px; }

.login-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: var(--surface);
}
.login-card input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.login-notice {
  margin: 0 0 14px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  background: oklch(0.97 0.025 25);
  border: 1px solid oklch(0.87 0.06 25);
  color: var(--danger);
}

.login-foot {
  margin: 18px 0 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--text-faint);
  line-height: 1.7;
}
.login-foot a { color: var(--accent); text-decoration: none; font-weight: 550; }
.login-foot a:hover { text-decoration: underline; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; padding: 16px; }
  .panel { position: static; }
  .topbar { flex-wrap: wrap; }
}