/* 舒妤陪玩 — 黑白高级主题 */
:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-elevated: #1c1c1c;
  --border: #2a2a2a;
  --border-light: #3a3a3a;
  --text: #f5f5f5;
  --text-muted: #888;
  --text-dim: #555;
  --accent: #ffffff;
  --accent-hover: #e0e0e0;
  --danger: #ff4444;
  --success: #4ade80;
  --warning: #fbbf24;
  --radius: 2px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html { background: #050508; }

body {
  font-family: var(--font);
  background: transparent;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* 宇宙粒子画布 */
#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* Header */
.header {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header .brand h1 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.header .brand span {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Layout */
.container {
  max-width: 1080px;
  margin: 32px auto;
  padding: 0 24px;
}

.container-wide { max-width: 1200px; }

/* Card */
.card {
  background: rgba(20, 20, 20, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  padding: 28px;
  margin-bottom: 24px;
}

.card h2 {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.tab-btn, .tab {
  padding: 12px 20px;
  background: rgba(10, 10, 10, 0.4);
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  letter-spacing: 0.05em;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}

.tab-btn:hover, .tab:hover { color: var(--text); }
.tab-btn.active, .tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* Form */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 14px;
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--border-light);
}

input::placeholder { color: var(--text-dim); }

select option { background: var(--bg-card); }

input[type="file"] {
  padding: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

input[type="date"] { color-scheme: dark; }

/* Buttons */
.btn {
  padding: 11px 24px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.2s, opacity 0.2s;
}

.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-sm { padding: 6px 14px; font-size: 12px; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-outline:hover { background: var(--bg-elevated); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover { background: rgba(255,68,68,0.1); }

.btn-success {
  background: transparent;
  color: var(--success);
  border: 1px solid var(--success);
}

/* Table */
table { width: 100%; border-collapse: collapse; font-size: 13px; }

th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  background: var(--bg);
}

tr:hover td { background: var(--bg-elevated); }

/* Badge */
.badge {
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
}

.badge-on { color: var(--success); border-color: var(--success); }
.badge-off { color: var(--text-muted); }

/* Alert */
.alert {
  padding: 14px 16px;
  margin-top: 20px;
  font-size: 13px;
  border: 1px solid var(--border);
}

.alert-success { border-color: var(--success); color: var(--success); }
.alert-warning { border-color: var(--warning); color: var(--warning); }
.alert-error { border-color: var(--danger); color: var(--danger); }

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 48px 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: scale(0.94) translateY(12px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.login-card--visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* 载入遮罩 */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: rgba(3, 3, 6, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: opacity 0.6s ease, visibility 0.6s ease;
  pointer-events: none;
}

.page-loader--hide {
  opacity: 0;
  visibility: hidden;
}

.loader-orbit {
  width: 48px;
  height: 48px;
  position: relative;
}

.loader-orbit::before,
.loader-orbit::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid transparent;
}

.loader-orbit::before {
  border-top-color: rgba(255, 255, 255, 0.9);
  border-right-color: rgba(255, 255, 255, 0.2);
  animation: spin 1s linear infinite;
}

.loader-orbit::after {
  inset: 8px;
  border-bottom-color: rgba(255, 255, 255, 0.5);
  animation: spin 1.6s linear infinite reverse;
}

.loader-text {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  animation: pulse-text 2s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-text {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.8; }
}

/* 登录按钮载入态 */
.btn--loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(0, 0, 0, 0.15);
  border-top-color: #0a0a0a;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.login-card .logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-card .logo h1 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.2em;
  margin-bottom: 6px;
}

.login-card .logo p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.1em;
}

.login-page .tabs {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.login-page .tab.active {
  border-bottom-color: rgba(255, 255, 255, 0.85);
}

.login-page .hint {
  color: rgba(255, 255, 255, 0.3);
}

/* Toolbar */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.add-form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

/* Code display */
.code-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 20px;
}

.code-box .code {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.3em;
  font-family: "Courier New", monospace;
}

.code-box .meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* Image preview & modal */
.preview {
  margin-top: 12px;
  max-width: 280px;
  border: 1px solid var(--border);
}

.img-link {
  color: var(--text);
  text-decoration: underline;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.img-link:hover { color: var(--text-muted); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.modal-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.modal-content img {
  max-width: 100%;
  max-height: 85vh;
  border: 1px solid var(--border);
}

.modal-close {
  position: absolute;
  top: -36px;
  right: 0;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  letter-spacing: 0.1em;
}

.peiwan-tag {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.peiwan-tag strong { color: var(--text); }

.hint { font-size: 12px; color: var(--text-dim); text-align: center; margin-top: 20px; }
.empty { color: var(--text-muted); text-align: center; padding: 40px; font-size: 13px; }
.footer-note { margin-top: 16px; font-size: 12px; color: var(--text-dim); }

.status-ok { color: var(--success); }
.status-off { color: var(--danger); }

.confirm-modal {
  background: rgba(20, 20, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  max-width: 480px;
  width: 100%;
  padding: 32px;
}

.confirm-modal h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.confirm-modal .warning-text {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
  border-left: 2px solid var(--warning);
  padding: 12px 16px;
  margin-bottom: 24px;
  background: var(--bg);
}

.confirm-modal .warning-text strong {
  color: var(--warning);
  font-weight: 500;
}

.confirm-modal .summary {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.9;
}

.confirm-modal .summary span { color: var(--text); }

.confirm-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
}

.confirm-check input { width: auto; margin-top: 3px; accent-color: var(--text); }

.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  padding: 20px;
}

.stat-card .label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.stat-card .sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
}

/* 分布图 */
.dist-section { margin-bottom: 28px; }

.dist-section h3 {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.dist-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 13px;
}

.dist-bar-row .name {
  width: 80px;
  flex-shrink: 0;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dist-bar-row .bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.dist-bar-row .bar-fill {
  height: 100%;
  background: var(--text);
  transition: width 0.4s ease;
}

.dist-bar-row .nums {
  width: 100px;
  text-align: right;
  color: var(--text-muted);
  font-size: 12px;
  flex-shrink: 0;
}

/* 数据大屏 */
.dashboard-screen {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.dashboard-screen .stat-card .value { font-size: 32px; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.dashboard-panel {
  background: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  padding: 20px;
}

.dashboard-panel h3 {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.salary-table td:last-child { font-weight: 600; }

/* 趋势迷你图 */
.trend-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 80px;
  padding-top: 8px;
}

.trend-bar {
  flex: 1;
  background: var(--text);
  min-height: 2px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.trend-bar:hover { opacity: 1; }

.trend-labels {
  display: flex;
  gap: 4px;
  margin-top: 6px;
  font-size: 10px;
  color: var(--text-dim);
}

.trend-labels span { flex: 1; text-align: center; overflow: hidden; }

/* 响应式表格 */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 1024px) {
  .stats-grid, .dashboard-screen { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header .brand h1 { font-size: 15px; }
  .header-actions { font-size: 12px; gap: 8px; }
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .tab-btn, .tab { white-space: nowrap; padding: 10px 14px; font-size: 12px; }
  .card { padding: 20px 16px; }
  .stat-card .value { font-size: 22px; }
  .dashboard-screen .stat-card .value { font-size: 24px; }
  .dist-bar-row .name { width: 60px; font-size: 12px; }
  .dist-bar-row .nums { width: 80px; font-size: 11px; }
  .toolbar, .add-form { flex-direction: column; align-items: stretch; }
  .toolbar input, .toolbar select, .add-form input, .add-form select { width: 100%; }
  .confirm-modal { padding: 24px 20px; margin: 16px; }
  .confirm-actions { flex-direction: column-reverse; }
  .confirm-actions .btn { width: 100%; }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .header { padding: 14px 16px; flex-wrap: wrap; gap: 10px; }
  .container { padding: 0 16px; margin: 20px auto; }
  .login-card { margin: 16px; padding: 32px 24px; }
  .stats-grid, .dashboard-screen { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card .value { font-size: 20px; }
  table { font-size: 12px; }
  th, td { padding: 8px 10px; }
}