:root {
  --bg-deep: #0A1628;
  --bg-card: rgba(255,255,255,0.06);
  --primary: #1B5FA0;
  --primary-hover: #1E6FB8;
  --accent: #2DD4BF;
  --accent-dim: rgba(45,212,191,0.2);
  --danger: #E53E3E;
  --warning: #F59E0B;
  --success: #38A169;
  --text: #F1F5F9;
  --text-secondary: rgba(241,245,249,0.6);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --shadow-btn: 0 4px 20px rgba(27,95,160,0.4);
  --shadow-card: 0 8px 30px rgba(0,0,0,0.3);
  --scrollbar-thumb: rgba(255,255,255,0.12);
  --scrollbar-track: transparent;
  --nav-bg: rgba(10,22,40,0.9);
  --surface-hover: rgba(255,255,255,0.05);
  --surface-hover-strong: rgba(255,255,255,0.1);
  --surface-input: rgba(255,255,255,0.04);
  --surface-subtle: rgba(255,255,255,0.03);
  --surface-badge: rgba(255,255,255,0.06);
  --spinner-border: rgba(255,255,255,0.3);
  --spinner-fill: #fff;
  --danger-dim: rgba(229,62,62,0.2);
  --danger-border: rgba(229,62,62,0.3);
  --success-dim: rgba(56,161,105,0.15);
  --warning-dim: rgba(245,158,11,0.15);
  --leader-row-bg: rgba(255,193,7,0.04);
  --log-detail-bg: rgba(255,255,255,0.02);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "Microsoft YaHei", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* 亮色模式 */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-deep: #F0F3F8;
    --bg-card: rgba(0,0,0,0.04);
    --primary: #1565C0;
    --primary-hover: #1976D2;
    --accent: #00897B;
    --accent-dim: rgba(0,137,123,0.15);
    --danger: #C62828;
    --warning: #E65100;
    --success: #2E7D32;
    --text: #212121;
    --text-secondary: rgba(33,33,33,0.55);
    --border: rgba(0,0,0,0.08);
    --border-hover: rgba(0,0,0,0.15);
    --shadow-btn: 0 4px 16px rgba(21,101,192,0.3);
    --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
    --scrollbar-thumb: rgba(0,0,0,0.15);
    --scrollbar-track: transparent;
    --nav-bg: rgba(240,243,248,0.9);
    --surface-hover: rgba(0,0,0,0.04);
    --surface-hover-strong: rgba(0,0,0,0.08);
    --surface-input: rgba(0,0,0,0.04);
    --surface-subtle: rgba(0,0,0,0.02);
    --surface-badge: rgba(0,0,0,0.06);
    --spinner-border: rgba(0,0,0,0.15);
    --spinner-fill: #1565C0;
    --danger-dim: rgba(198,40,40,0.12);
    --danger-border: rgba(198,40,40,0.25);
    --success-dim: rgba(46,125,50,0.12);
    --warning-dim: rgba(230,81,0,0.12);
    --leader-row-bg: rgba(255,193,7,0.06);
    --log-detail-bg: rgba(0,0,0,0.02);
  }
}
[data-theme="light"] {
  --bg-deep: #F0F3F8;
  --bg-card: rgba(0,0,0,0.04);
  --primary: #1565C0;
  --primary-hover: #1976D2;
  --accent: #00897B;
  --accent-dim: rgba(0,137,123,0.15);
  --danger: #C62828;
  --warning: #E65100;
  --success: #2E7D32;
  --text: #212121;
  --text-secondary: rgba(33,33,33,0.55);
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.15);
  --shadow-btn: 0 4px 16px rgba(21,101,192,0.3);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
  --scrollbar-thumb: rgba(0,0,0,0.15);
  --scrollbar-track: transparent;
  --nav-bg: rgba(240,243,248,0.9);
  --surface-hover: rgba(0,0,0,0.04);
  --surface-hover-strong: rgba(0,0,0,0.08);
  --surface-input: rgba(0,0,0,0.04);
  --surface-subtle: rgba(0,0,0,0.02);
  --surface-badge: rgba(0,0,0,0.06);
  --spinner-border: rgba(0,0,0,0.15);
  --spinner-fill: #1565C0;
  --danger-dim: rgba(198,40,40,0.12);
  --danger-border: rgba(198,40,40,0.25);
  --success-dim: rgba(46,125,50,0.12);
  --warning-dim: rgba(230,81,0,0.12);
  --leader-row-bg: rgba(255,193,7,0.06);
  --log-detail-bg: rgba(0,0,0,0.02);
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
}

.hidden { display:none !important; }

.custom-cursor {
  position:fixed;
  width:12px; height:12px;
  border-radius:50%;
  background:rgba(45,212,191,0.8);
  pointer-events:none;
  z-index:9999;
  transform:translate(-50%,-50%);
  mix-blend-mode:difference;
  transition:width 0.15s, height 0.15s;
}

.cursor-trail { position:fixed; pointer-events:none; z-index:9998; }
.trail-dot { position:absolute; border-radius:50%; background:rgba(45,212,191,0.5); transform:translate(-50%,-50%); }

.bg-particles { position:fixed; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:0; }
.bg-particles canvas { width:100%; height:100%; }

.bg-glow { position:fixed; border-radius:50%; filter:blur(80px); pointer-events:none; z-index:-1; }
.bg-glow-1 { width:400px; height:400px; background:rgba(27,95,160,0.15); top:-100px; right:-100px; }
.bg-glow-2 { width:300px; height:300px; background:rgba(45,212,191,0.1); bottom:-50px; left:-50px; }

.view { position:relative; z-index:1; min-height:100vh; }

.glass-card {
  background:var(--bg-card);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.glass-card:hover { border-color:var(--border-hover); }

.btn-primary {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 24px; border:none; border-radius:var(--radius-sm);
  background:var(--primary); color:#fff; font-size:15px; font-weight:600;
  cursor:none; transition:background 0.2s, transform 0.15s, box-shadow 0.2s;
  text-decoration:none; position:relative;
}
.btn-primary:hover { background:var(--primary-hover); box-shadow:var(--shadow-btn); }
.btn-primary:active { transform:scale(0.98); }
.btn-primary:disabled { opacity:0.5; cursor:not-allowed; transform:none; }
.btn-primary.loading .btn-text { opacity:0.5; }
.btn-primary.loading::after {
  content:""; width:18px; height:18px; border:2px solid var(--spinner-border);
  border-top-color:var(--spinner-fill); border-radius:50%; animation:spin 0.6s linear infinite;
  position:absolute;
}

/* 实心危险按钮（用于不可逆操作） */
.btn-danger-solid {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:6px 16px; border:none; border-radius:var(--radius-sm);
  background:var(--danger); color:#fff; font-size:13px; font-weight:600;
  cursor:none; transition:all 0.2s; position:relative;
}
.btn-danger-solid:hover { filter:brightness(1.1); box-shadow:0 4px 12px rgba(229,62,62,0.3); }
.btn-danger-solid:active { transform:scale(0.98); }

.btn-secondary {
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 24px; border:1px solid var(--border); border-radius:var(--radius-sm);
  background:var(--surface-hover); color:var(--text); font-size:15px;
  cursor:none; transition:all 0.2s;
}
.btn-secondary:hover { background:var(--surface-hover-strong); border-color:var(--border-hover); }

.btn-small {
  padding:4px 12px; border:1px solid var(--border); border-radius:6px;
  background:var(--surface-hover); color:var(--text); font-size:13px;
  cursor:none; transition:all 0.2s; white-space:nowrap;
}
.btn-small:hover { background:var(--surface-hover-strong); border-color:var(--border-hover); }
.btn-small:active { transform:scale(0.96); }
.btn-danger { color:var(--danger); border-color:var(--danger-border); }
.btn-danger:hover { background:var(--danger-dim); }
.btn-warn { color:var(--warning); border-color:var(--warning-dim); }
.btn-warn:hover { background:var(--warning-dim); }
.btn-text { background:none; border:none; color:var(--text-secondary); font-size:14px; cursor:none; padding:4px 8px; }
.btn-text:hover { color:var(--accent); }

.input-group { margin-bottom:14px; }
.input-label { display:block; font-size:13px; color:var(--text-secondary); margin-bottom:6px; font-weight:500; }
.input-wrapper { position:relative; display:flex; align-items:center; }
.input-icon { position:absolute; left:12px; color:var(--text-secondary); pointer-events:none; }
.input-field {
  width:100%; padding:10px 14px 10px 38px; border:1px solid var(--border);
  border-radius:var(--radius-sm); background:var(--surface-input);
  color:var(--text); font-size:15px; font-family:var(--font);
  transition:border-color 0.2s, box-shadow 0.2s; outline:none;
}
.input-field:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.input-field::placeholder { color:var(--text-secondary); }

select.input-field { padding-left:12px; cursor:none; appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23F1F5F9' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 12px center; padding-right:36px;
}

/* Light mode: select arrow should be dark */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) select.input-field {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23212121' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  }
}
[data-theme="light"] select.input-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23212121' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

@keyframes spin { to { transform:rotate(360deg); } }
@keyframes fadeInUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

.login-wrapper {
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:20px; position:relative;
}
.login-decoration { position:absolute; inset:0; overflow:hidden; pointer-events:none; }
.login-glow { position:absolute; border-radius:50%; filter:blur(60px); }
.login-glow-1 { width:350px; height:350px; background:rgba(27,95,160,0.12); top:10%; right:15%; }
.login-glow-2 { width:250px; height:250px; background:rgba(45,212,191,0.08); bottom:20%; left:10%; }

.login-card {
  width:100%; max-width:420px; padding:36px 32px; position:relative;
  animation:fadeInUp 0.5s ease;
}
.login-header { text-align:center; margin-bottom:28px; }
.login-logo { margin-bottom:12px; display:flex; justify-content:center; }
.login-title { font-size:22px; font-weight:700; color:var(--text); margin-bottom:4px; }
.login-subtitle { font-size:13px; color:var(--text-secondary); }
.login-form { margin-bottom:16px; }
.login-form .input-group { margin-bottom:16px; }
.login-form .input-field { padding-left:40px; }
.login-error { background:var(--danger-dim); border:1px solid var(--danger-border); color:var(--danger); padding:8px 12px; border-radius:var(--radius-sm); font-size:13px; margin-bottom:12px; }
.login-btn { width:100%; padding:12px; font-size:16px; }
.login-footer { text-align:center; font-size:12px; color:var(--text-secondary); margin-top:8px; }

.confirm-card { text-align:center; }
.user-avatar-large {
  width:72px; height:72px; border-radius:50%; background:var(--primary);
  display:flex; align-items:center; justify-content:center; margin:0 auto 12px;
  font-size:28px; font-weight:700; color:#fff; overflow:hidden;
}
.user-avatar-large img { width:100%; height:100%; object-fit:cover; }
.user-info-list { margin:16px 0; text-align:left; }
.user-info-row { display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--border); }
.info-label { color:var(--text-secondary); font-size:13px; }
.info-value { font-size:14px; font-weight:500; }
.confirm-actions { display:flex; gap:12px; justify-content:center; margin-top:20px; }

.app-layout { display:flex; flex-direction:column; min-height:100vh; }
.app-nav {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px; height:60px; position:sticky; top:0; z-index:100;
  background:var(--nav-bg); backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
}
.nav-brand { display:flex; align-items:center; gap:10px; font-size:16px; font-weight:700; }
.nav-links { display:flex; gap:4px; }
.nav-link {
  padding:8px 16px; border-radius:var(--radius-sm); color:var(--text-secondary);
  font-size:14px; text-decoration:none; transition:all 0.2s; cursor:none;
}
.nav-link:hover { color:var(--text); background:var(--surface-hover); }
.nav-link.active { color:var(--accent); background:var(--accent-dim); }
.nav-user { display:flex; align-items:center; gap:10px; }
.nav-user-avatar {
  width:32px; height:32px; border-radius:50%; background:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:700; color:var(--bg-deep); overflow:hidden;
}
.nav-user-avatar img { width:100%; height:100%; object-fit:cover; }
.nav-user-name { font-size:14px; color:var(--text); }
.admin-badge {
  background:var(--danger-dim); color:var(--danger);
  padding:3px 10px; border-radius:12px; font-size:12px; font-weight:600;
}
.admin-nav .nav-brand span { color:var(--danger); }

.app-main { flex:1; padding:24px; max-width:1400px; margin:0 auto; width:100%; overflow-y:auto; max-height:calc(100vh - 60px); }

.section-header { margin-bottom:20px; }
.section-header h2 { font-size:24px; font-weight:700; color:var(--text); }
.section-header p { color:var(--text-secondary); font-size:14px; margin-top:4px; }

.selection-rules {
  padding:16px 20px; margin-bottom:20px;
}
.selection-rules h3 { font-size:15px; margin-bottom:8px; color:var(--accent); }
.selection-rules ul { list-style:none; }
.selection-rules li { font-size:13px; color:var(--text-secondary); padding:3px 0; }
.selection-rules li::before { content:"▸ "; color:var(--accent); }
.selection-rules strong { color:var(--text); }

.filter-bar { display:flex; gap:12px; align-items:flex-start; margin-bottom:16px; flex-wrap:wrap; }
.filter-tags { display:flex; flex-wrap:wrap; gap:6px; flex:1; }
.tag-btn {
  padding:5px 12px; border:1px solid var(--border); border-radius:16px;
  background:transparent; color:var(--text-secondary); font-size:12px;
  cursor:none; transition:all 0.2s; white-space:nowrap;
}
.tag-btn:hover { border-color:var(--accent); color:var(--accent); }
.tag-btn.active { background:var(--accent-dim); border-color:var(--accent); color:var(--accent); }
.search-box { width:220px; }
.search-box .input-field { padding:8px 14px; font-size:13px; }

.selection-stats {
  display:flex; gap:12px; align-items:center; padding:8px 16px;
  background:var(--surface-subtle); border-radius:var(--radius-sm); margin-bottom:16px;
  font-size:13px; color:var(--text-secondary);
}
.selection-stats strong { color:var(--accent); font-size:16px; }
.stat-sep { color:var(--border); }

.problem-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px, 1fr)); gap:12px; margin-bottom:20px; }

.problem-card {
  padding:16px; cursor:none; position:relative; overflow:hidden; word-break:break-word; overflow-wrap:break-word;
  animation:fadeInUp 0.3s ease both;
}
.problem-card::before {
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg, var(--accent), var(--primary));
  opacity:0; transition:opacity 0.2s;
}
.problem-card:hover::before { opacity:1; }
.problem-card:hover { transform:translateY(-2px); box-shadow:var(--shadow-card); border-color:var(--accent-dim); }
.problem-card.selected {
  border-color:var(--accent); background:rgba(45,212,191,0.08);
  box-shadow:0 0 20px rgba(45,212,191,0.15);
}
.problem-card.selected::before { opacity:1; }
.problem-card.completed { border-color:var(--success); background:rgba(56,161,105,0.06); }
.problem-card.new-problem { border-left:2px solid var(--warning); }

.prob-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
.prob-id { font-size:12px; color:var(--accent); font-weight:600; font-family:monospace; }
.new-badge { background:rgba(245,158,11,0.2); color:var(--warning); padding:1px 8px; border-radius:10px; font-size:10px; font-weight:600; }
.done-badge { background:rgba(56,161,105,0.2); color:var(--success); padding:1px 8px; border-radius:10px; font-size:10px; font-weight:600; }
.pending-badge { background:var(--surface-badge); color:var(--text-secondary); padding:1px 8px; border-radius:10px; font-size:10px; }
.prob-title { font-size:14px; font-weight:600; line-height:1.4; margin-bottom:8px; }
.prob-tags { display:flex; flex-wrap:wrap; gap:4px; margin-bottom:8px; }
.prob-tag {
  background:rgba(45,212,191,0.1); color:var(--accent);
  padding:2px 8px; border-radius:4px; font-size:11px;
}
.prob-tag.no-tag { background:var(--surface-input); color:var(--text-secondary); }
.prob-stats { display:flex; gap:12px; font-size:11px; color:var(--text-secondary); }
.mark-done-btn {
  margin-top:10px; width:100%; padding:6px; border:1px solid var(--success);
  border-radius:6px; background:rgba(56,161,105,0.1); color:var(--success);
  font-size:12px; cursor:none; transition:all 0.2s;
}
.mark-done-btn:hover { background:rgba(56,161,105,0.2); }

.selection-footer { text-align:center; margin-top:20px; padding-bottom:40px; }
.selection-footer .btn-primary { padding:14px 48px; font-size:16px; }

.today-tasks .section-header { display:flex; align-items:center; gap:20px; }
.progress-ring-wrapper { position:relative; }
.progress-ring {
  width:64px; height:64px; border-radius:50%;
  background:conic-gradient(var(--accent) calc(var(--progress, 0) * 3.6deg), var(--surface-hover) 0);
  display:flex; align-items:center; justify-content:center;
}
.progress-ring::before {
  content:""; position:absolute; width:50px; height:50px; border-radius:50%;
  background:var(--bg-deep);
}
.progress-text { position:relative; z-index:1; font-size:16px; font-weight:700; color:var(--accent); }

.progress-bar-wrapper { display:flex; align-items:center; gap:12px; margin-bottom:20px; }
.progress-bar { flex:1; height:8px; background:var(--surface-hover); border-radius:4px; overflow:hidden; }
.progress-fill { height:100%; background:linear-gradient(90deg, var(--accent), var(--primary)); border-radius:4px; transition:width 0.5s ease; }
.progress-label { font-size:13px; color:var(--text-secondary); white-space:nowrap; }

.history-view { animation:fadeInUp 0.3s ease; }
.history-card { padding:16px; margin-bottom:12px; }
.history-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.history-header h3 { font-size:16px; }
.history-header h4 { font-size:14px; }
.history-progress { color:var(--accent); font-size:14px; font-weight:600; }
.history-problems { display:flex; flex-wrap:wrap; gap:6px; margin-top:8px; }
.history-prob {
  padding:3px 10px; border-radius:4px; font-size:12px; background:var(--surface-input);
}
.history-prob.done { background:rgba(56,161,105,0.15); color:var(--success); }

.empty-state { text-align:center; padding:60px 20px; color:var(--text-secondary); font-size:15px; }

.profile-view { animation:fadeInUp 0.3s ease; }
.profile-card { padding:28px; max-width:600px; }
.profile-avatar-section { display:flex; align-items:center; gap:20px; margin-bottom:24px; }
.profile-avatar-large {
  width:80px; height:80px; border-radius:50%; background:var(--primary);
  display:flex; align-items:center; justify-content:center;
  font-size:32px; font-weight:700; color:#fff; overflow:hidden; flex-shrink:0;
}
.profile-avatar-large img { width:100%; height:100%; object-fit:cover; }
.profile-avatar-actions { display:flex; flex-direction:column; gap:8px; }
.profile-details { display:flex; flex-direction:column; gap:12px; }
.profile-row { display:flex; gap:16px; padding:10px 0; border-bottom:1px solid var(--border); }
.p-label { color:var(--text-secondary); font-size:13px; width:70px; flex-shrink:0; }

.admin-dashboard h2 { margin-bottom:16px; font-size:22px; }
.stat-cards { display:grid; grid-template-columns:repeat(auto-fill, minmax(180px, 1fr)); gap:12px; margin-bottom:24px; }
.stat-card { padding:20px; text-align:center; }
.stat-number { font-size:32px; font-weight:700; color:var(--accent); }
.stat-label { font-size:12px; color:var(--text-secondary); margin-top:4px; }

.dashboard-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(450px, 1fr)); gap:16px; }
.dash-section { padding:20px; }
.dash-section h3 { font-size:15px; margin-bottom:12px; color:var(--accent); }

.data-table { width:100%; border-collapse:collapse; font-size:13px; }
.data-table th { text-align:left; padding:8px 10px; color:var(--text-secondary); font-weight:600; border-bottom:1px solid var(--border); font-size:12px; }
.data-table td { padding:8px 10px; border-bottom:1px solid var(--border); }
.data-table tr:hover td { background:var(--surface-subtle); }
.data-table.full-width { min-width:700px; overflow-x:auto; }
.action-cell { display:flex; gap:6px; flex-wrap:wrap; align-items:center; }
.rate-badge { padding:2px 8px; border-radius:10px; font-size:12px; font-weight:600; }
.rate-badge.high { background:var(--success-dim); color:var(--success); }
.rate-badge.mid { background:var(--warning-dim); color:var(--warning); }
.rate-badge.low { background:var(--danger-dim); color:var(--danger); }
.mini-progress { height:6px; background:var(--surface-hover); border-radius:3px; overflow:hidden; width:80px; }
.mini-fill { height:100%; background:var(--accent); border-radius:3px; }

.admin-section h2 { margin-bottom:16px; font-size:22px; }
.section-toolbar { margin-bottom:16px; display:flex; gap:10px; flex-wrap:wrap; }
.group-cards { display:grid; grid-template-columns:repeat(auto-fill, minmax(320px, 1fr)); gap:12px; }
.group-card { padding:20px; }
.group-card h3 { font-size:16px; margin-bottom:10px; }
.group-info { margin-bottom:12px; }
.group-info p { font-size:13px; color:var(--text-secondary); margin-bottom:4px; }
.group-info strong { color:var(--text); }
.group-actions { display:flex; gap:8px; flex-wrap:wrap; }

.edit-panel { margin-top:16px; }
.edit-form { padding:20px; max-width:500px; }
.edit-form h3 { margin-bottom:16px; color:var(--accent); }
.form-actions { display:flex; gap:10px; margin-top:16px; }
.checkbox-list { display:flex; flex-wrap:wrap; gap:8px; }
.check-item { display:flex; align-items:center; gap:6px; font-size:13px; color:var(--text); cursor:none; }

.settings-card { padding:20px; max-width:560px; }
.settings-section-title { font-size:15px; margin-bottom:16px; color:var(--accent); }
.settings-section-title.danger-title { color:var(--danger); }
.setting-item { margin-bottom:16px; }
.setting-item label { display:block; font-size:13px; color:var(--text-secondary); margin-bottom:6px; }
.setting-input-row { display:flex; gap:8px; }
.setting-item .input-field { max-width:300px; }

/* 危险操作区 */
.danger-zone { border-color:var(--danger-border); }
.danger-desc { font-size:13px; color:var(--text-secondary); margin-bottom:16px; }
.danger-actions { display:flex; flex-direction:column; gap:12px; }
.danger-action-item {
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:12px 16px; background:var(--danger-dim); border:1px solid var(--danger-border);
  border-radius:var(--radius-sm);
}
.danger-action-item strong { font-size:14px; color:var(--text); display:block; }
.danger-sub { font-size:12px; color:var(--text-secondary); margin-top:2px; }

.completed-by-cell { font-size:12px; color:var(--text-secondary); max-width:200px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.ua-cell { font-size:11px; color:var(--text-secondary); max-width:250px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* 小组展示 */
.group-rank-table td { padding:10px 12px; font-size:13px; }
.group-rank-table .leader-row { background:var(--leader-row-bg); }
.task-check-label { display:inline-flex !important; align-items:center; gap:2px; user-select:none; }
.task-check-label input[type="checkbox"] { accent-color:var(--accent); margin:0; }

/* 日志详情行 */
.log-row:hover { background:var(--surface-subtle); }
.log-detail-row td { font-size:12px; }
.empty-text { color:var(--text-secondary); font-size:13px; text-align:center; padding:20px; }

/* 自定义滚动条 */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--scrollbar-track); }
::-webkit-scrollbar-thumb {
  background:var(--scrollbar-thumb); border-radius:3px;
  transition:background 0.2s;
}
::-webkit-scrollbar-thumb:hover { background:var(--border-hover); }
::-webkit-scrollbar-corner { background:transparent; }

/* 亮/暗模式切换按钮 */
.theme-toggle {
  display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:50%; border:1px solid var(--border);
  background:transparent; color:var(--text-secondary); font-size:16px;
  cursor:none; transition:all 0.2s; margin-left:4px;
}
.theme-toggle:hover { background:var(--surface-hover-strong); border-color:var(--border-hover); }

@media (max-width: 768px) {
  .app-nav { flex-wrap:wrap; height:auto; padding:10px 12px; gap:8px; }
  .nav-links { order:3; width:100%; overflow-x:auto; padding-bottom:4px; }
  .problem-grid { grid-template-columns:1fr; }
  .dashboard-grid { grid-template-columns:1fr; }
  .stat-cards { grid-template-columns:repeat(2, 1fr); }
  .filter-bar { flex-direction:column; }
  .search-box { width:100%; }
  .app-main { padding:12px; }
  .data-table { font-size:12px; }
  .data-table th, .data-table td { padding:6px 8px; }
  .btn-small { padding:3px 8px; font-size:12px; }
  .settings-card { max-width:100%; }
  .danger-action-item { flex-direction:column; align-items:flex-start; }
}