/* ============ 时光图床 全局样式 ============ */
:root {
  --bg: #f4f6fb;
  --bg-deep: #eef1f8;
  --card: rgba(255, 255, 255, 0.82);
  --card-solid: #ffffff;
  --border: rgba(99, 116, 158, 0.16);
  --text: #1e2433;
  --text-2: #5b6478;
  --text-3: #97a0b3;
  --primary: #6366f1;
  --primary-2: #8b5cf6;
  --primary-3: #22d3ee;
  --primary-soft: rgba(99, 102, 241, 0.12);
  --danger: #ef4444;
  --ok: #10b981;
  --shadow: 0 10px 34px rgba(58, 72, 138, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --topbar-h: 60px;
}
html[data-theme="dark"] {
  --bg: #0f1220;
  --bg-deep: #0b0e19;
  --card: rgba(28, 33, 56, 0.78);
  --card-solid: #1c2138;
  --border: rgba(148, 163, 217, 0.14);
  --text: #e7e9f5;
  --text-2: #a7aec9;
  --text-3: #6d7597;
  --primary-soft: rgba(129, 140, 248, 0.16);
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: linear-gradient(160deg, var(--bg), var(--bg-deep));
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* 背景装饰 */
.bg-decor { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.orb-1 { width: 420px; height: 420px; background: #818cf8; top: -120px; left: -80px; }
.orb-2 { width: 380px; height: 380px; background: #22d3ee; bottom: -140px; right: -60px; opacity: 0.35; }
.orb-3 { width: 260px; height: 260px; background: #f472b6; top: 40%; left: 70%; opacity: 0.22; }

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  background: var(--card);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand-logo { font-size: 22px; }
.nav-links { display: flex; align-items: center; gap: 14px; }
.nav-link { color: var(--text-2); font-size: 14px; transition: color 0.2s; }
.nav-link:hover { color: var(--primary); }
.chip { font-size: 13px; padding: 5px 12px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); }
.icon-btn {
  border: 1px solid var(--border); background: var(--card-solid); color: var(--text);
  width: 34px; height: 34px; border-radius: 10px; font-size: 16px; transition: 0.2s;
}
.icon-btn:hover { transform: translateY(-1px); border-color: var(--primary); }

/* 容器 */
.container { max-width: 1080px; margin: 0 auto; padding: 40px 20px 60px; position: relative; z-index: 1; }

.hero { text-align: center; margin-bottom: 28px; }
.hero-title { font-size: 40px; font-weight: 800; letter-spacing: 1px; }
.hero-title::before { content: "🖼️"; margin-right: 6px; }
.hero-sub { color: var(--text-2); margin-top: 10px; font-size: 15px; }

.announce {
  max-width: 760px; margin: 0 auto 24px; text-align: center;
  padding: 12px 18px; border-radius: 12px; font-size: 14px;
  background: var(--primary-soft); color: var(--primary); border: 1px solid var(--border);
}

/* 玻璃卡片 */
.glass {
  background: var(--card); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* 上传区 */
.upload-card { padding: 20px; margin-bottom: 24px; }
.upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius-sm);
  min-height: 220px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; transition: 0.25s; padding: 16px;
}
.upload-area.dragover, .upload-area:focus {
  border-color: var(--primary); background: var(--primary-soft); outline: none;
}
.upload-preview { width: 100%; }
.upload-placeholder { text-align: center; padding: 40px 10px; color: var(--text-2); }
.ph-icon { font-size: 52px; margin-bottom: 12px; }
.ph-title { font-size: 17px; font-weight: 600; color: var(--text); }
.ph-sub { font-size: 13px; margin-top: 8px; color: var(--text-3); }
.preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
.preview-item {
  position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 1;
  border: 1px solid var(--border); background: var(--card-solid);
}
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-item .pv-name {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 4px 6px;
  font-size: 11px; background: rgba(0,0,0,0.55); color: #fff; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.preview-item .pv-rm {
  position: absolute; top: 4px; right: 4px; width: 20px; height: 20px; border-radius: 50%;
  border: none; background: rgba(0,0,0,0.55); color: #fff; font-size: 12px; line-height: 1;
}
.upload-actions { display: flex; gap: 12px; margin-top: 16px; }
.btn {
  padding: 10px 22px; border-radius: 12px; border: 1px solid transparent;
  font-size: 14px; font-weight: 600; transition: 0.2s; color: var(--text);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99,102,241,0.45); }
.btn-ghost { background: var(--card-solid); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: linear-gradient(135deg, #f43f5e, #ef4444); color: #fff; }
.btn-ok { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }

.progress-wrap { margin-top: 14px; width: 100%; max-width: 480px; display: flex; align-items: center; gap: 12px; }
.progress-bar-wrap { flex: 1; height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; }
.progress-bar { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--primary-3)); transition: width 0.2s; }
.progress-text { font-size: 12px; color: var(--text-2); min-width: 42px; text-align: right; }

/* 结果区 */
.result-card { padding: 22px; margin-bottom: 24px; }
.result-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.result-head h2 { font-size: 19px; }
.result-info { font-size: 13px; color: var(--text-2); }
.thumb-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.thumb-row img { width: 72px; height: 72px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.tab {
  padding: 9px 18px; background: none; border: none; color: var(--text-2);
  font-size: 14px; border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 600;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.code-box {
  width: 100%; min-height: 120px; padding: 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--card-solid); color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace; font-size: 13px; resize: vertical;
}
.tab-actions { display: flex; gap: 10px; margin-top: 12px; justify-content: flex-end; }

/* 页脚 */
.footer { text-align: center; color: var(--text-3); font-size: 13px; margin-top: 40px; line-height: 2; }
.footer a { color: var(--text-3); }
.footer a:hover { color: var(--primary); }

/* Toast */
.toast {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) translateY(12px);
  background: var(--card-solid); color: var(--text); padding: 13px 26px; border-radius: 12px;
  box-shadow: var(--shadow); font-size: 14px; border: 1px solid var(--border);
  opacity: 0; pointer-events: none; transition: 0.25s; z-index: 9999; max-width: 90%;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%); }
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--danger); }

/* 表单通用 */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 600; }
.input, .select, textarea.input {
  width: 100%; padding: 11px 14px; border-radius: 12px; font-size: 14px;
  border: 1px solid var(--border); background: var(--card-solid); color: var(--text); transition: 0.2s;
}
.input:focus, .select:focus, textarea.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
/* 下拉样式 */
.select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none; cursor: pointer;
  border-radius: 999px;
  padding: 10px 46px 10px 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26' viewBox='0 0 26 26'%3E%3Ccircle cx='13' cy='13' r='11' fill='%23eef0fb'/%3E%3Cpath d='M9.5 11 13 14.5 16.5 11' stroke='%236366f1' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; background-size: 26px 26px;
  box-shadow: inset 0 1px 2px rgba(30, 41, 80, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
html[data-theme="dark"] .select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26' viewBox='0 0 26 26'%3E%3Ccircle cx='13' cy='13' r='11' fill='%2328314f'/%3E%3Cpath d='M9.5 11 13 14.5 16.5 11' stroke='%23a5b4fc' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.select:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(99, 102, 241, 0.16); }
.select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
.select option { background: var(--card-solid); color: var(--text); padding: 8px 10px; }
.filter-select { position: relative; display: inline-flex; align-items: center; }
.filter-select .filter-icon {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  font-size: 14px; pointer-events: none; z-index: 1; opacity: 0.85;
}
.filter-select .select { padding-left: 40px; max-width: 220px; min-width: 164px; }


/* 认证页 */
.auth-wrap { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - var(--topbar-h)); }
.auth-card { width: 100%; max-width: 420px; padding: 40px 34px; text-align: center; }
.auth-card h2 { margin-bottom: 6px; font-size: 24px; }
.auth-card .auth-sub { color: var(--text-3); font-size: 13px; margin-bottom: 26px; }
.auth-card .field { text-align: left; }
.auth-error {
  background: rgba(239, 68, 68, 0.12); color: var(--danger); border: 1px solid rgba(239,68,68,0.3);
  padding: 10px 14px; border-radius: 10px; font-size: 13px; margin-bottom: 16px;
}
.auth-alt { margin-top: 18px; font-size: 13px; color: var(--text-3); }

/* 后台通用 */
.admin-body { padding: 0; }
.admin-body .topbar { position: static; }
.admin-menu-btn { display: none; align-items: center; justify-content: center; }
.admin-backdrop { display: none; }
.admin-layout { display: flex; min-height: calc(100vh - var(--topbar-h)); }
.admin-side {
  width: 230px; flex-shrink: 0; background: var(--card); backdrop-filter: blur(14px);
  border-right: 1px solid var(--border); padding: 24px 14px;
}
.side-link {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 12px;
  color: var(--text-2); font-size: 14px; font-weight: 600; margin-bottom: 6px; transition: 0.2s;
}
.side-link:hover { background: var(--primary-soft); color: var(--primary); }
.side-link.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 6px 18px rgba(99,102,241,0.35); }
.admin-main { flex: 1; padding: 28px 32px; min-width: 0; }
.admin-main h1 { font-size: 24px; margin-bottom: 4px; }
.admin-main .page-sub { color: var(--text-3); font-size: 13px; margin-bottom: 24px; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat-card { padding: 22px; border-radius: var(--radius); }
.stat-card .stat-label { font-size: 13px; color: var(--text-2); }
.stat-card .stat-value { font-size: 30px; font-weight: 800; margin-top: 6px; }
.stat-card .stat-icon { float: right; font-size: 30px; opacity: 0.8; }
.stat-card .stat-extra { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.panel { padding: 22px; margin-bottom: 22px; border-radius: var(--radius); }
.panel h3 { font-size: 16px; margin-bottom: 16px; }
.chart-wrap { position: relative; height: 300px; }

/* 表格 */
.table-card { padding: 12px; }
.toolbar { display: flex; flex-direction: column; gap: 10px; margin: 14px; }
.toolbar-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; width: 100%; }
.toolbar-row-right { justify-content: flex-end; }
.toolbar .input { max-width: 260px; }
.view-switch { display: flex; gap: 4px; background: var(--primary-soft); padding: 4px; border-radius: 12px; }
.view-switch .btn { padding: 7px 12px; font-size: 14px; border-radius: 9px; }
.view-switch .btn.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; box-shadow: 0 6px 18px rgba(99,102,241,0.28); }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-3); font-size: 12px; font-weight: 600; white-space: nowrap; }
tbody tr { transition: background 0.15s; }
tbody tr:hover { background: var(--primary-soft); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 980px; }
.table-scroll thead th { position: sticky; top: 0; background: var(--card-solid); z-index: 1; }
tbody tr td { vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
.thumb { width: 52px; height: 52px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); cursor: zoom-in; transition: transform 0.2s, box-shadow 0.2s; }
.thumb:hover { transform: scale(1.06); box-shadow: 0 6px 16px rgba(99,102,241,0.28); }
.chip-uploader { font-size: 12px; padding: 4px 12px; font-weight: 600; }
.thumb { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.pagination { display: flex; gap: 8px; align-items: center; justify-content: center; padding: 16px; }
.page-btn {
  padding: 6px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card-solid); color: var(--text-2); font-size: 13px;
}
.page-btn.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* 网格视图 */
.grid-card { padding: 16px; }
.img-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.img-grid[hidden] { display: none; }
.img-tile {
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--card-solid);
  transition: 0.2s; position: relative;
}
.img-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.img-tile img { width: 100%; height: 150px; object-fit: cover; display: block; }
.img-tile .tile-body { padding: 10px; }
.img-tile .tile-name { font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text-2); }
.img-tile .tile-meta { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.img-tile .tile-actions { display: flex; gap: 6px; padding: 8px 10px; border-top: 1px solid var(--border); }
.tile-actions .btn { flex: 1; padding: 6px 4px; font-size: 12px; border-radius: 8px; }
.img-tile .tile-check {
  position: absolute; top: 8px; left: 8px; width: 20px; height: 20px; accent-color: var(--primary);
}

/* 图片排序 */
.btn.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; box-shadow: 0 6px 18px rgba(99,102,241,0.28); }
.sort-input {
  width: 74px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--card-solid); color: var(--text); font-size: 13px; text-align: center;
}
.sort-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }

/* 紧凑图标按钮 */
.op-group { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-icon {
  width: 30px; height: 30px; padding: 0; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 9px; background: var(--card-solid); color: var(--text-2);
  font-size: 14px; line-height: 1; cursor: pointer; transition: 0.18s;
}
.btn-icon:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(99,102,241,0.2); }
.btn-icon:active { transform: translateY(0); }
.btn-icon-danger:hover { border-color: #f43f5e; color: #f43f5e; background: rgba(244,63,94,0.08); box-shadow: 0 4px 12px rgba(244,63,94,0.2); }
.tile-actions .btn-icon { width: 28px; height: 28px; border-radius: 8px; font-size: 13px; }


/* 开关 */
.switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; inset: 0; border-radius: 999px; background: var(--border); transition: 0.25s; cursor: pointer; }
.slider::before {
  content: ""; position: absolute; width: 20px; height: 20px; border-radius: 50%;
  left: 3px; top: 3px; background: #fff; transition: 0.25s;
}
.switch input:checked + .slider { background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.switch input:checked + .slider::before { transform: translateX(20px); }
.toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.toggle-row:last-child { border-bottom: none; }
.toggle-row .t-label { font-size: 14px; font-weight: 600; }
.toggle-row .t-desc { font-size: 12px; color: var(--text-3); margin-top: 2px; }

/* 登录页（后台） */
.admin-login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.admin-login-card { width: 100%; max-width: 420px; padding: 40px 34px; text-align: center; }
.admin-login-card h2 { font-size: 24px; margin-bottom: 6px; }
.admin-login-card .auth-sub { color: var(--text-3); font-size: 13px; margin-bottom: 26px; }

/* 响应式 */
@media (max-width: 860px) {
  .topbar-inner { padding: 0 14px; }
  .container { padding: 26px 16px 48px; }
}

@media (max-width: 760px) {
  .topbar-inner { padding: 0 12px; gap: 8px; }
  .brand { font-size: 16px; gap: 7px; }
  .brand-logo { font-size: 19px; }
  .nav-links { gap: 10px; }
  .nav-link { font-size: 13px; }
  .chip { font-size: 12px; padding: 4px 10px; }

  .hero { margin-bottom: 20px; }
  .hero-title { font-size: 26px; }
  .hero-sub { font-size: 13px; }
  .announce { padding: 10px 12px; font-size: 13px; }

  .upload-card { padding: 14px; }
  .upload-area { min-height: 170px; }
  .ph-icon { font-size: 40px; }
  .ph-title { font-size: 14px; }
  .ph-sub { font-size: 12px; }
  .upload-actions { flex-direction: column; }
  .upload-actions .btn { width: 100%; padding: 12px; }
  .progress-wrap { max-width: 100%; }

  .result-card { padding: 16px; }
  .result-head h2 { font-size: 17px; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab { padding: 9px 14px; font-size: 13px; white-space: nowrap; }
  .tab-actions { justify-content: stretch; }
  .tab-actions .btn { flex: 1; }
  .thumb-row img { width: 60px; height: 60px; }
  .code-box { font-size: 12px; }

  .footer { font-size: 12px; }

  /* admin: left drawer */
  .admin-menu-btn { display: inline-flex; }
  .admin-layout { flex-direction: column; }
  .admin-side {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; z-index: 120;
    width: 232px; max-width: 82vw; flex-direction: column;
    padding: 18px 12px; overflow-y: auto;
    background: var(--card); border-right: 1px solid var(--border);
    box-shadow: 0 18px 44px rgba(10,12,30,.28);
    transform: translateX(-100%);
    transition: transform .28s cubic-bezier(.22,.61,.36,1);
    -webkit-overflow-scrolling: touch;
  }
  body.admin-nav-open .admin-side { transform: translateX(0); }
  .admin-backdrop {
    display: block; position: fixed; inset: 0; z-index: 110;
    background: rgba(10,14,30,.52);
    opacity: 0; visibility: hidden;
    transition: opacity .25s, visibility .25s;
  }
  body.admin-nav-open .admin-backdrop { opacity: 1; visibility: visible; }
  .side-link { white-space: nowrap; margin-bottom: 6px; margin-right: 0; padding: 12px 16px; font-size: 14px; }
  .admin-main { padding: 20px 14px; }
  .admin-main h1 { font-size: 20px; }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
  .stat-card { padding: 16px; }
  .stat-card .stat-value { font-size: 24px; }
  .chart-wrap { height: 220px; }
  .panel { padding: 16px; }

  .toolbar { flex-wrap: wrap; margin: 10px; gap: 8px; }
  .toolbar .input { max-width: 100%; width: 100%; }
  .toolbar .select { max-width: 100%; width: 100%; }
  .toolbar .spacer { display: none; }

  /* horizontal scroll for tables on small screens */
  .admin-main table { min-width: 720px; }
  .table-card, .admin-main .panel { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .pagination { flex-wrap: wrap; gap: 6px; }
  .page-btn { padding: 8px 12px; font-size: 13px; }

  .img-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
  .img-tile img { height: 120px; }

  .form-actions { flex-wrap: wrap; }
  .form-actions .btn { flex: 1 1 100%; }
  .toggle-row { gap: 12px; }
  .toggle-row .t-label { font-size: 13px; }
}

@media (max-width: 480px) {
  .auth-card, .admin-login-card { padding: 28px 20px; }
  .terms-box { padding: 20px !important; }
  .hero-title { font-size: 22px; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card .stat-value { font-size: 22px; }
  .thumb-row img { width: 54px; height: 54px; }
  .admin-main { padding: 16px 10px; }
  .img-grid { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); }
  .topbar-inner { padding: 0 10px; }
}

.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10, 14, 30, 0.55);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.22s;
  padding: 20px;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%; max-width: 420px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.28);
  transform: translateY(18px) scale(0.96);
  transition: transform 0.22s ease;
  overflow: hidden;
}
.modal-overlay.show .modal { transform: translateY(0) scale(1); }
.modal-head {
  padding: 20px 22px 4px;
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.modal-close {
  background: none; border: none; color: var(--text-3);
  font-size: 20px; line-height: 1; padding: 4px; border-radius: 8px;
  transition: 0.15s;
}
.modal-close:hover { color: var(--danger); background: rgba(239,68,68,0.1); }
.modal-body { padding: 14px 22px 6px; font-size: 14px; color: var(--text-2); line-height: 1.7; }
.modal-foot { padding: 16px 22px 22px; display: flex; gap: 10px; justify-content: flex-end; }
.modal-foot .btn { flex: 1; }

/* 弹窗内表单 */
.modal-form .field { margin-bottom: 14px; }
.modal-form .field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 600; }
.modal-error {
  background: rgba(239, 68, 68, 0.1); color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
  padding: 9px 13px; border-radius: 10px; font-size: 13px; margin-bottom: 12px;
  display: none;
}
.modal-error.show { display: block; }
.modal-switch { text-align: center; font-size: 13px; color: var(--text-3); margin-top: 4px; }
.modal-switch a { cursor: pointer; font-weight: 600; }

/* 登录图标区 */
.auth-modal-icon {
  width: 56px; height: 56px; margin: 6px auto 2px;
  border-radius: 18px; display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  background: linear-gradient(135deg, var(--primary-soft), rgba(34, 211, 238, 0.15));
  border: 1px solid var(--border);
}

/* 危险操作弹窗图标 */
.modal-icon-danger {
  width: 60px; height: 60px; margin: 8px auto 4px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 28px; background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.modal-icon-warn {
  width: 60px; height: 60px; margin: 8px auto 4px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 28px; background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.35);
}
.modal-icon-info {
  width: 60px; height: 60px; margin: 8px auto 4px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 28px; background: var(--primary-soft);
  border: 1px solid var(--border);
}


/* 预览弹窗 */
.modal-preview { max-width: 860px; width: 92vw; }
.preview-body { padding: 18px 20px 8px; }
.preview-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 12px; word-break: break-all; }
.preview-wrap {
  display: flex; align-items: center; justify-content: center;
  max-height: 62vh; overflow: auto; border-radius: 12px;
  background: #0b1020; border: 1px solid var(--border);
}
.preview-img { max-width: 100%; max-height: 62vh; display: block; object-fit: contain; }
.preview-meta { font-size: 12px; color: var(--text-3); margin-top: 10px; word-break: break-all; }

/* 缩略图点击放大 */
.thumb { cursor: pointer; }
.img-tile img { cursor: zoom-in; }

/* 预览弹窗：头部 + 旋转工具条 + 保存 */
.modal-preview .preview-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 12px;
}
.modal-preview .preview-title { margin-bottom: 0; flex: 1; min-width: 0; }
.modal-preview .preview-tools {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-bottom: 12px;
}
.modal-preview .preview-rot {
  width: 38px; height: 38px; padding: 0; font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; line-height: 1;
}
.modal-preview .preview-deg {
  min-width: 52px; text-align: center; font-size: 13px;
  color: var(--text-2); font-weight: 700; font-variant-numeric: tabular-nums;
}
.modal-preview .preview-wrap { position: relative; text-align: center; }
.preview-img.rot-90, .preview-img.rot-270 { max-height: 42vh; }
.preview-img.rot-90, .preview-img.rot-180, .preview-img.rot-270 { transition: transform 0.2s; }

/* 上传结果：逐图卡片（多图增强） */
.result-item {
  display: flex; flex-direction: column; gap: 6px;
  width: 240px; padding: 8px; border: 1px solid var(--border);
  border-radius: 12px; background: var(--card-solid);
}
.result-item img { width: 100%; height: 120px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.result-item .result-meta { display: flex; flex-direction: column; gap: 6px; }
.result-item .result-name {
  font-size: 12px; color: var(--text-2); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.result-item .result-link { display: flex; gap: 6px; }
.result-item .result-link .input { font-size: 12px; padding: 6px 8px; min-width: 0; flex: 1; }
.result-item .result-link .btn { font-size: 12px; padding: 6px 10px; flex-shrink: 0; }

/* 回收站统计条 */
.trash-stats {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 16px;
}
.trash-stats .chip { font-size: 13px; padding: 6px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); }


/* imgbed custom dropdown: rounded panel, hover highlight, check mark, animation */
.dd { position: relative; display: inline-flex; }
.dd-trigger {
  appearance: none; border: 1px solid var(--border);
  border-radius: 999px; cursor: pointer;
  background: var(--card-solid); color: var(--text);
  font-size: 14px; line-height: 1.2;
  padding: 10px 44px 10px 18px;
  min-width: 160px; max-width: 240px;
  display: inline-flex; align-items: center; justify-content: space-between; gap: 10px;
  box-shadow: inset 0 1px 2px rgba(30, 41, 80, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.dd-trigger:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(99,102,241,0.16); }
.dd-trigger:focus-visible { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
.dd-value { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-caret {
  width: 0; height: 0; flex-shrink: 0;
  border-left: 5px solid transparent; border-right: 5px solid transparent;
  border-top: 6px solid var(--text-3);
  transition: transform 0.2s;
}
.dd.open .dd-caret { transform: rotate(180deg); }
.dd-panel {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 1000;
  min-width: 100%; background: var(--card-solid);
  border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 18px 44px rgba(30, 41, 80, 0.18);
  padding: 6px; max-height: 260px; overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(0.97);
  transform-origin: top left; transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
}
.dd.open .dd-panel { opacity: 1; visibility: visible; transform: none; }
.dd-option {
  position: relative; padding: 10px 34px 10px 14px;
  border-radius: 10px; cursor: pointer; color: var(--text-2);
  font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background 0.15s, color 0.15s;
}
.dd-option:hover { background: var(--primary-soft); color: var(--primary); }
.dd-option.selected { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.dd-option.selected::after {
  content: ""; position: absolute; right: 13px; top: 50%;
  transform: translateY(-50%) rotate(-45deg);
  width: 9px; height: 5px; border-left: 2px solid var(--primary); border-bottom: 2px solid var(--primary);
}
.filter-select .dd { max-width: 100%; }
.filter-select .dd-trigger { padding-left: 40px; }

/* ---------- 灯箱预览导航 ---------- */
.preview-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 17, 27, 0.55);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, transform .2s;
  backdrop-filter: blur(4px);
}
.preview-nav:hover { background: rgba(99, 102, 241, 0.85); transform: translateY(-50%) scale(1.08); }
.preview-nav.prev { left: 10px; }
.preview-nav.next { right: 10px; }

/* ---------- 选择弹窗 ---------- */
.pick-option { transition: background .15s, transform .15s; }
.pick-option:hover { transform: translateX(2px); }

/* ---------- 复制菜单 ---------- */
.copy-menu {
  background: var(--card, #fff);
  border: 1px solid rgba(120, 130, 180, 0.15);
  border-radius: 14px;
  box-shadow: 0 18px 44px rgba(10, 12, 30, 0.18);
  padding: 6px;
  min-width: 170px;
  opacity: 0;
  transform: translateY(-4px) scale(0.98);
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}
.copy-menu.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.copy-menu .dd-option { border-radius: 10px; padding: 9px 12px; font-size: 13px; }

/* ---------- 面板头部 ---------- */
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

/* ---------- 用户配额输入 ---------- */
.quota-input { text-align: right; }

/* ---------- 移动端优化 ---------- */
@media (max-width: 720px) {
  .toolbar { flex-wrap: wrap; }
  .toolbar .btn { font-size: 12px; padding: 6px 10px; }
  .preview-nav { width: 34px; height: 34px; font-size: 20px; }
}


/* 博客入口（footer） */
.footer-blog{display:inline-flex;align-items:center;gap:5px;color:#4f6ef7;text-decoration:none;font-weight:500}
.footer-blog:hover{opacity:.85;text-decoration:underline}
.footer-blog-icon{width:18px;height:18px;border-radius:4px;object-fit:cover;vertical-align:middle}
.footer-sep{margin:0 6px;color:#999}


/* ---------- 上传处理中动画 ---------- */
.uploading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(18, 22, 40, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}
.uploading-overlay.show { opacity: 1; pointer-events: auto; }

.uploading-card {
  width: min(420px, 90vw);
  background: var(--card-solid, #fff);
  border: 1px solid var(--border, rgba(120,130,180,.15));
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(10, 12, 30, 0.35);
  padding: 28px 26px 22px;
  transform: translateY(12px) scale(.96);
  transition: transform .3s cubic-bezier(.2,.9,.3,1.2);
}
.uploading-overlay.show .uploading-card { transform: translateY(0) scale(1); }

.up-ring-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.up-ring {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: conic-gradient(var(--primary,#6366f1), var(--primary-2,#8b5cf6), var(--primary-3,#22d3ee), var(--primary,#6366f1));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #000 calc(100% - 7px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #000 calc(100% - 7px));
  animation: up-spin 1.1s linear infinite;
}
.up-ring-core {
  position: absolute;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--card-solid, #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}
@keyframes up-spin { to { transform: rotate(360deg); } }

.up-percent {
  text-align: center;
  font-size: 30px;
  font-weight: 700;
  background: linear-gradient(120deg, var(--primary,#6366f1), var(--primary-2,#8b5cf6));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.up-status {
  text-align: center;
  color: var(--text-2, #5b6478);
  font-size: 14px;
  margin: 4px 0 14px;
  min-height: 20px;
}
.up-list {
  max-height: 150px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 4px;
}
.up-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2, #5b6478);
  padding: 6px 10px;
  border-radius: 10px;
  background: var(--primary-soft, rgba(99,102,241,.08));
  transition: background .2s;
}
.up-item .up-ic { flex-shrink: 0; width: 18px; text-align: center; }
.up-item .up-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.up-item.done { color: var(--text, #1e2433); }
.up-item.done .up-ic { color: var(--ok, #10b981); }
.up-item.fail { color: var(--text, #1e2433); }
.up-item.fail .up-ic { color: var(--danger, #ef4444); }
.up-shimmer {
  flex-shrink: 0;
  width: 60px;
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(99,102,241,.12) 25%, rgba(99,102,241,.34) 50%, rgba(99,102,241,.12) 75%);
  background-size: 200% 100%;
  animation: up-shimmer 1.2s infinite;
}
@keyframes up-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.up-progress {
  margin-top: 16px;
  height: 8px;
  border-radius: 6px;
  background: var(--primary-soft, rgba(99,102,241,.12));
  overflow: hidden;
}
.up-progress > div {
  height: 100%;
  width: 0%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--primary,#6366f1), var(--primary-2,#8b5cf6));
  box-shadow: 0 0 12px rgba(99,102,241,.5);
  transition: width .3s ease;
}

/* ===== 最新图墙 ===== */
.gallery-section { margin-top: 42px; }
.gallery-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.gallery-head h2 { font-size: 22px; margin: 0; }
.gallery-sub { color: var(--muted); font-size: 13px; }
.gallery-masonry { columns: 4 220px; column-gap: 14px; }
.gallery-item { break-inside: avoid; margin-bottom: 16px; border-radius: 14px; overflow: hidden;
  position: relative; background: var(--panel); box-shadow: 0 2px 10px rgba(0,0,0,.08);
  transform: rotate(var(--g-tilt, 0deg)) translateY(var(--g-dy, 0px));
  transition: transform .35s ease, box-shadow .35s ease; }
.gallery-item:hover { z-index: 2; transform: rotate(0deg) translateY(-6px) scale(1.03);
  box-shadow: 0 16px 36px rgba(0,0,0,.2); animation: gallery-pop .45s ease; }
.gallery-item img { display: block; width: 100%; height: auto;
  transform: scale(1); transition: transform .45s ease; will-change: transform; }
.gallery-item:hover img { transform: scale(1.08); animation: gallery-sway 1.8s ease-in-out infinite; }
.gallery-item .g-item-mask { position: absolute; inset: 0; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 12px; background: linear-gradient(transparent 40%, rgba(0,0,0,.55));
  opacity: 0; transition: opacity .25s; }
.gallery-item:hover .g-item-mask { opacity: 1; }
.gallery-item .g-item-name { color: #fff; font-size: 13px; line-height: 1.4; word-break: break-all; }
.gallery-item .g-item-time { color: rgba(255,255,255,.75); font-size: 11px; margin-top: 2px; }
.gallery-empty { text-align: center; color: var(--muted); padding: 30px 0;
  column-span: all; break-inside: avoid; white-space: nowrap; }

/* ===== 链接有效期 ===== */
.result-expire { display: inline-flex; align-items: center; gap: 4px; margin-left: 10px;
  font-size: 12px; color: var(--warn, #d97706); background: rgba(217,119,6,.12);
  padding: 3px 10px; border-radius: 999px; }

@media (max-width: 768px) {
  .gallery-masonry { columns: 2 140px; column-gap: 10px; }
}
/* ===== 图墙动态效果 ===== */
@keyframes gallery-pop {
  0% { transform: rotate(var(--g-tilt,0deg)) translateY(var(--g-dy,0px)) scale(1); }
  50% { transform: rotate(0deg) translateY(-10px) scale(1.06); }
  100% { transform: rotate(0deg) translateY(-6px) scale(1.03); }
}
@keyframes gallery-sway {
  0%, 100% { transform: scale(1.08) rotate(-1.2deg); }
  50% { transform: scale(1.12) rotate(1.2deg); }
}
@media (prefers-reduced-motion: reduce) {
  .gallery-item:hover, .gallery-item:hover img { animation: none; transform: none; }
}

/* ===== 二维码弹窗：关闭按钮固定在右上角 ===== */
.qr-overlay .qr-modal { position: relative; max-width: 340px; }
.qr-overlay .qr-modal .modal-close {
  position: absolute; top: 12px; right: 12px; z-index: 5;
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; background: rgba(127,127,127,0.12); border-radius: 50%;
}
.qr-overlay .qr-modal .modal-close:hover { background: rgba(239,68,68,0.18); color: var(--danger); }