/* ========== 重置 & 基础 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #4f6ef7;
  --primary-dark: #3b56d4;
  --primary-light: #eef1fe;
  --success: #22c55e;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #06b6d4;
  --info-bg: #ecfeff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
  --sidebar-w: 240px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}
html { font-size: 14px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select, textarea { font-family: inherit; outline: none; }
ul { list-style: none; }

/* ========== 登录页 ========== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: #060818;
  background: linear-gradient(135deg, #060818 0%, #0d0b2e 30%, #111435 60%, #0a1a3e 100%);
  background-size: 400% 400%;
  animation: bgShift 18s ease infinite;
}
@keyframes bgShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 粒子画布 */
.particle-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 漂浮光球 */
.login-orbs {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
}
.orb-1 {
  width: 360px; height: 360px;
  background: radial-gradient(circle, #00d4ff 0%, transparent 70%);
  top: -60px; left: -40px;
  animation: orbFloat1 14s ease-in-out infinite;
}
.orb-2 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, #7b2ff7 0%, transparent 70%);
  bottom: -80px; right: -60px;
  animation: orbFloat2 16s ease-in-out infinite;
}
.orb-3 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, #5e5ce6 0%, transparent 70%);
  top: 40%; right: 20%;
  animation: orbFloat3 12s ease-in-out infinite;
}
@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, 60px) scale(1.15); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-60px, -80px) scale(1.1); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 40px) scale(0.85); }
}

/* 玻璃态卡片 */
.login-card {
  position: relative;
  z-index: 1;
  width: 400px;
  max-width: calc(100vw - 40px);
  padding: 48px 40px 36px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 80px rgba(0, 212, 255, 0.06);
  animation: cardEnter 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes cardEnter {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
/* 卡片边缘光 */
.login-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.4), transparent 40%, transparent 60%, rgba(123, 47, 247, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Logo */
.login-logo-wrap {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  position: relative;
}
.login-logo-svg {
  width: 100%; height: 100%;
  filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.3));
}
.logo-ring-outer {
  transform-origin: center;
  animation: ringRotate 20s linear infinite;
}
.logo-ring-inner {
  transform-origin: center;
  animation: ringRotate 14s linear infinite reverse;
}
.logo-shield {
  animation: shieldPulse 3s ease-in-out infinite;
}
@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes shieldPulse {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.5)); }
}
.logo-pulse {
  position: absolute;
  top: 50%; left: 50%;
  width: 72px; height: 72px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.3);
  animation: pulseRing 2.5s ease-out infinite;
}
@keyframes pulseRing {
  0% { transform: translate(-50%, -50%) scale(0.6); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(1.6); opacity: 0; }
}

/* 标题 */
.login-title {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  animation: fadeInUp 0.6s 0.15s both;
}
.login-subtitle {
  text-align: center;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 3px;
  margin-top: 6px;
  margin-bottom: 32px;
  animation: fadeInUp 0.6s 0.25s both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 表单 */
.login-form .field-group {
  position: relative;
  margin-bottom: 26px;
  animation: fadeInUp 0.6s both;
}
.login-form .field-group:nth-of-type(1) { animation-delay: 0.35s; }
.login-form .field-group:nth-of-type(2) { animation-delay: 0.45s; }
.field-group input {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  color: #fff;
  background: transparent;
  transition: border-color 0.3s;
  box-shadow: none;
}
/* 覆盖浏览器自动填充的白底 */
.field-group input:-webkit-autofill,
.field-group input:-webkit-autofill:hover,
.field-group input:-webkit-autofill:focus,
.field-group input:autofill {
  -webkit-text-fill-color: #fff !important;
  -webkit-box-shadow: 0 0 0 1000px rgba(18, 18, 30, 0.95) inset !important;
  transition: background-color 5000s ease-in-out 0s;
  caret-color: #fff;
}
.field-group input::placeholder { color: transparent; }

/* 聚焦时底部线条更亮 */
.field-group input:focus {
  border-bottom-color: rgba(0, 212, 255, 0.6);
}
.field-group label {
  position: absolute;
  left: 0; top: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.field-group input:focus ~ label,
.field-group input:not(:placeholder-shown) ~ label {
  top: -10px;
  font-size: 11px;
  color: #00d4ff;
  letter-spacing: 1px;
}
.field-line {
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, #00d4ff, #7b2ff7);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}
.field-group input:focus ~ .field-line {
  width: 100%;
}

/* 记住登录 */
.remember-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s 0.55s both;
}
.remember-check input { display: none; }
.check-box {
  width: 16px; height: 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
  flex-shrink: 0;
}
.remember-check input:checked ~ .check-box {
  background: linear-gradient(135deg, #00d4ff, #5e5ce6);
  border-color: transparent;
}
.remember-check input:checked ~ .check-box::after {
  content: '';
  width: 4px; height: 7px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

/* 登录按钮 */
.login-btn {
  position: relative;
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, #00d4ff 0%, #5e5ce6 50%, #7b2ff7 100%);
  background-size: 200% 200%;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 4px;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 6px 24px rgba(0, 212, 255, 0.25);
  animation: btnGradient 4s ease infinite, fadeInUp 0.6s 0.65s both;
}
@keyframes btnGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(0, 212, 255, 0.4);
}
.login-btn:active {
  transform: translateY(0);
}
.btn-shine {
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
}
.login-btn:hover .btn-shine {
  animation: shine 0.8s ease;
}
@keyframes shine {
  to { left: 130%; }
}

/* 底部 */
.login-footer {
  text-align: center;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
  margin-top: 28px;
  animation: fadeInUp 0.6s 0.75s both;
}

/* ========== 表单组件 ========== */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-800);
  background: #fff;
  transition: var(--transition);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,110,247,.12); }
.form-control::placeholder { color: var(--gray-400); }
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

.form-row { display: flex; gap: 14px; }
.form-row > .form-group { flex: 1; }

.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }
.form-check label { margin: 0; font-weight: 400; cursor: pointer; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--gray-100); color: var(--gray-600); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(.92); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.92); }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { filter: brightness(.92); }
.btn-ghost { background: transparent; color: var(--gray-500); padding: 6px 10px; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-700); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ========== 主布局 ========== */
.app-layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-w);
  background: var(--gray-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition);
}
.sidebar-header {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: relative;
}
.sidebar-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,.25), rgba(123,47,247,.2), transparent);
}
.sidebar-brand-title {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, #00d4ff 0%, #5e5ce6 50%, #7b2ff7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.sidebar-nav .nav-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: rgba(255,255,255,.3);
  padding: 12px 12px 6px;
  font-weight: 600;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.6);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item .nav-icon { font-size: 18px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item .nav-badge {
  margin-left: auto;
  background: rgba(255,255,255,.15);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.sidebar-footer .user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
}
.sidebar-footer .user-chip:hover { background: rgba(255,255,255,.06); }
.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #764ba2);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; flex-shrink: 0;
}
.user-chip .user-name { font-size: 13px; font-weight: 500; }
.user-chip .user-role { font-size: 11px; color: rgba(255,255,255,.4); }
.sidebar-footer #changePwdBtn {
  background: none; border: none; cursor: pointer;
  font-size: 14px; padding: 4px 6px; border-radius: 6px;
  transition: var(--transition);
}
.sidebar-footer #changePwdBtn:hover { background: rgba(255,255,255,.1); color: #fff; }

/* 主内容区 */
.main-area {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition);
}
.topbar {
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar .menu-toggle {
  display: none;
  font-size: 22px;
  color: var(--gray-500);
  background: none; cursor: pointer;
}
.topbar h1 { font-size: 18px; font-weight: 700; color: var(--gray-900); }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar .icon-btn {
  position: relative;
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-500); font-size: 18px;
  background: none; cursor: pointer; transition: var(--transition);
}
.topbar .icon-btn:hover { background: var(--gray-100); color: var(--gray-700); }
.topbar .icon-btn .dot {
  position: absolute; top: 8px; right: 9px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--danger); border: 2px solid #fff;
}
.topbar .icon-btn .dot.hidden { display: none; }

/* 通知面板 */
.notif-wrapper { position: relative; }
.notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 360px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0,0,0,.15);
  border: 1px solid var(--gray-200);
  z-index: 200;
  display: none;
  animation: slideUp .2s ease;
}
.notif-panel.show { display: block; }
.notif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--gray-100);
  font-weight: 700;
  font-size: 14px;
  color: var(--gray-700);
}
.notif-mark-read {
  font-size: 12px;
  color: var(--primary);
  background: none;
  padding: 2px 8px;
  border-radius: 4px;
}
.notif-mark-read:hover { background: var(--primary-light); }
.notif-body { max-height: 400px; overflow-y: auto; }
.notif-item {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background var(--transition);
}
.notif-item:hover { background: var(--gray-50); }
.notif-item:last-child { border-bottom: none; }
.notif-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.notif-icon.danger { background: var(--danger-bg); color: var(--danger); }
.notif-icon.warning { background: var(--warning-bg); color: var(--warning); }
.notif-icon.info { background: var(--info-bg); color: var(--info); }
.notif-icon.success { background: var(--success-bg); color: var(--success); }
.notif-content { flex: 1; min-width: 0; }
.notif-title { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.notif-desc { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.notif-time { font-size: 11px; color: var(--gray-400); margin-top: 4px; }
.notif-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--gray-400);
  font-size: 13px;
}
.notif-empty .empty-icon { font-size: 32px; margin-bottom: 8px; }

.content { padding: 24px; flex: 1; }

.app-footer { padding: 10px 24px; font-size: 12px; color: var(--gray-400); text-align: center; border-top: 1px solid var(--gray-100); }

/* ========== 卡片 ========== */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-header-left {
  display: flex; align-items: center; gap: 10px;
  margin-right: auto;
}
.card-header h3 { font-size: 15px; font-weight: 700; color: var(--gray-800); }
.card-body { padding: 20px; }
.card-body.no-pad { padding: 0; }

/* ========== 卡片内图标圆 ========== */
.icon-circle {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
}
.icon-circle.blue { background: var(--primary-bg); color: var(--primary); }
.icon-circle.amber { background: var(--warning-bg); color: var(--warning); }

/* ========== 版本管理 == 信息网格 ========== */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 768px) { .info-grid { grid-template-columns: 1fr; } }
.info-item .label {
  font-size: 0.75rem; font-weight: 600; color: var(--gray-500);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px;
}
.info-item .value {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; background: var(--gray-50);
  border-radius: 8px; border: 1px solid var(--gray-100);
  font-family: 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.8125rem; color: var(--gray-700); word-break: break-all;
}
.info-item .copy-btn {
  flex-shrink: 0; padding: 4px 8px; border: 1px solid var(--gray-200);
  border-radius: 6px; background: var(--surface); color: var(--gray-500);
  font-size: 0.75rem; cursor: pointer; transition: all 0.12s; white-space: nowrap;
}
.info-item .copy-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ========== 版本管理 == 编辑区 ========== */
.edit-section {
  margin-top: 20px; padding-top: 20px;
  border-top: 1px solid var(--gray-100);
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px;
}
@media (max-width: 768px) { .form-row { grid-template-columns: 1fr; } }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 600;
  color: var(--gray-600); margin-bottom: 4px;
}
.form-group input, .form-group select {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--gray-200); border-radius: 8px;
  font-size: 0.875rem; color: var(--gray-800); background: var(--surface);
  transition: border-color 0.15s; font-family: monospace;
}
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

/* ========== 统计卡片 ========== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }
.stat-icon.cyan { background: var(--info-bg); color: var(--info); }
.stat-info .stat-value { font-size: 26px; font-weight: 800; color: var(--gray-900); line-height: 1.2; }
.stat-info .stat-label { font-size: 13px; color: var(--gray-500); margin-top: 2px; }
.stat-info .stat-trend { font-size: 12px; margin-top: 4px; display: flex; align-items: center; gap: 3px; }
.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

/* ========== 仪表盘布局 ========== */
.dash-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.chart-container { position: relative; height: 280px; width: 100%; }
.chart-container canvas { width: 100%; height: 100%; display: block; }

/* ========== 表格 ========== */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  flex-wrap: wrap;
}
.table-toolbar .search-box {
  position: relative;
  flex: 1; min-width: 180px;
  max-width: 320px;
}
.table-toolbar .search-box input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: var(--transition);
}
.table-toolbar .search-box input:focus { border-color: var(--primary); }
.table-toolbar .search-box .search-icon {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--gray-400); font-size: 16px;
}
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 10px 16px;
  background: var(--gray-50);
  color: var(--gray-500);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}
.data-table tr:hover td { background: var(--gray-50); }
.data-table .mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }
.data-table .actions { display: flex; gap: 4px; }
.data-table .action-btn {
  width: 30px; height: 30px;
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--gray-400); font-size: 15px;
  background: none; cursor: pointer; transition: var(--transition);
}
.data-table .action-btn:hover { background: var(--gray-100); color: var(--gray-700); }
.data-table .action-btn.danger:hover { background: var(--danger-bg); color: var(--danger); }

/* ========== 状态标签 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

/* ========== 分页 ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--gray-200);
}
.pagination-info { font-size: 13px; color: var(--gray-500); }
.pagination-btns { display: flex; gap: 4px; }
.page-btn {
  min-width: 32px; height: 32px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 500;
  background: none; border: 1px solid var(--gray-200);
  color: var(--gray-600); cursor: pointer; transition: var(--transition);
}
.page-btn:hover:not(:disabled) { background: var(--gray-50); border-color: var(--gray-300); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ========== 模态框 ========== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp .3s ease;
}
.modal.modal-lg { max-width: 720px; }
.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 17px; font-weight: 700; }
.modal-header .close-btn {
  width: 32px; height: 32px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-400); font-size: 20px;
  background: none; cursor: pointer; transition: var(--transition);
}
.modal-header .close-btn:hover { background: var(--gray-100); color: var(--gray-600); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ========== 详情视图 ========== */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.detail-item .label { font-size: 12px; color: var(--gray-400); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 4px; }
.detail-item .value { font-size: 14px; color: var(--gray-800); font-weight: 500; }
.detail-item .value.mono { font-family: 'SF Mono', monospace; font-size: 13px; }
.detail-item.full { grid-column: 1 / -1; }

/* ========== 开关组件 ========== */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0;
  background: var(--gray-300);
  border-radius: 24px;
  transition: var(--transition);
}
.switch .slider::before {
  content: ''; position: absolute;
  width: 18px; height: 18px; left: 3px; bottom: 3px;
  background: #fff; border-radius: 50%; transition: var(--transition);
}
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(20px); }

/* ========== 功能特性列表 ========== */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.feature-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.feature-item:hover { border-color: var(--gray-300); }
.feature-item .feature-name { font-size: 13px; font-weight: 500; color: var(--gray-700); display: flex; align-items: center; gap: 8px; }
.feature-item .feature-icon { font-size: 16px; }

/* ========== 活动日志 ========== */
.activity-list { max-height: 320px; overflow-y: auto; }
.activity-item {
  display: flex; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
}
.activity-item:last-child { border-bottom: none; }
.activity-dot {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
}
.activity-content .activity-title { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.activity-content .activity-detail { font-size: 12px; color: var(--gray-400); margin-top: 2px; }
.activity-content .activity-time { font-size: 11px; color: var(--gray-400); margin-top: 2px; }

/* ========== Toast 提示 ========== */
.toast-container {
  position: fixed; top: 20px; right: 20px; z-index: 300;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 12px 18px;
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 500;
  animation: toastIn .3s ease;
  border-left: 4px solid var(--primary);
  min-width: 280px;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--primary); }
.toast .toast-icon { font-size: 18px; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--primary); }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

/* ========== 空状态 ========== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ========== 版本管理 ========== */
.version-latest-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}
.version-field-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.version-field-value {
  display: flex;
  align-items: center;
  background: var(--gray-50);
  border-radius: 8px;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
}

/* ========== 响应式 ========== */
.mobile-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}
@media (max-width: 768px) {
  .login-card { width: calc(100vw - 32px); padding: 36px 24px 28px; }
  .login-title { font-size: 19px; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .mobile-overlay.show { display: block; }
  .main-area { margin-left: 0; }
  .topbar .menu-toggle { display: block; }
  .content { padding: 16px; }
  .dash-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; gap: 0; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 14px; }
  .stat-icon { width: 40px; height: 40px; font-size: 18px; }
  .stat-info .stat-value { font-size: 20px; }
  .table-toolbar { padding: 12px; gap: 8px; }
  .table-toolbar .search-box { max-width: 100%; }
  .chart-container { height: 220px; }
  .modal { max-width: 100%; }
  .topbar-right .icon-btn { display: none; }
  .topbar-right #notifBtn, .topbar-right #logoutBtn { display: flex; }
  .notif-panel { width: calc(100vw - 32px); right: -8px; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .pagination { flex-direction: column; gap: 10px; }
  .chart-container { height: 180px; }
  .dash-grid .card .card-body { padding: 12px; }
}

/* ========== 工具类 ========== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.w-full { width: 100%; }
.text-sm { font-size: 13px; } .text-xs { font-size: 12px; }
.text-gray { color: var(--gray-400); } .text-danger { color: var(--danger); }
.font-mono { font-family: 'SF Mono', 'Fira Code', monospace; }