/* ============================================================
 * qunfabot2 · 商业版后台 · 玻璃拟态暗色主题 v3
 * 特效：渐变边框 · 悬浮升起 · 脉冲状态灯 · 数字滚动 · 磨砂玻璃
 * ============================================================ */

:root {
  --bg-0: #05070d;
  --bg-1: #0d1220;
  --bg-2: rgba(20, 26, 44, 0.72);
  --bg-3: rgba(28, 36, 58, 0.68);
  --line: rgba(140, 158, 220, 0.14);
  --line-2: rgba(140, 158, 220, 0.26);
  --fg: #eef2ff;
  --fg-2: #a4b0d0;
  --muted: #6b7594;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --success: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;

  --grad-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --grad-success: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --grad-danger: linear-gradient(135deg, #ef4444 0%, #f59e0b 100%);
  --grad-panel: linear-gradient(145deg, rgba(28, 36, 58, 0.72) 0%, rgba(16, 22, 40, 0.72) 100%);
  --grad-glow: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.18), transparent 60%),
               radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.12), transparent 55%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 32px rgba(99, 102, 241, 0.32);

  --radius: 10px;
  --radius-lg: 14px;
  --dur: 0.28s;
  --ease: cubic-bezier(0.22, 0.9, 0.36, 1);
}

* { box-sizing: border-box; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: rgba(140, 158, 220, 0.18); border-radius: 4px; }
*::-webkit-scrollbar-thumb:hover { background: rgba(140, 158, 220, 0.32); }

html, body {
  margin: 0; padding: 0;
  background: var(--bg-0);
  color: var(--fg);
  font: 14px/1.55 -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  letter-spacing: 0.1px;
  min-height: 100vh;
}

/* 全局背景光晕层 */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: var(--grad-glow);
  animation: bg-drift 24s ease-in-out infinite alternate;
}
@keyframes bg-drift {
  0%   { transform: translate(0, 0) scale(1); opacity: 0.85; }
  100% { transform: translate(-3%, 2%) scale(1.06); opacity: 1; }
}

a { color: var(--accent); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--accent-2); }
code {
  background: rgba(140, 158, 220, 0.08);
  padding: 1px 6px; border-radius: 4px; font-size: 11px;
  border: 1px solid var(--line); color: var(--fg-2);
  font-family: "JetBrains Mono", Consolas, monospace;
}

/* ============================================================
 * 认证页（登录 / 首启）
 * ============================================================ */
body.auth {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.auth-card {
  width: 380px;
  background: var(--grad-panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: grid; gap: 14px;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: card-in 0.6s var(--ease);
}
.auth-card.wide { width: 540px; }
.auth-card::before {
  content: ""; position: absolute; inset: -1px;
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  z-index: -1; opacity: 0.4; filter: blur(12px);
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-brand {
  font-size: 22px; font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.auth-title { font-size: 14px; color: var(--fg-2); margin-top: -4px; }
.auth-err {
  background: rgba(239, 68, 68, 0.12); color: var(--danger);
  padding: 10px 14px; border-radius: var(--radius); font-size: 13px;
  border: 1px solid rgba(239, 68, 68, 0.32);
  animation: shake 0.35s var(--ease);
}
.auth-ok {
  background: rgba(16, 185, 129, 0.14); color: var(--success);
  padding: 12px 14px; border-radius: var(--radius); font-size: 13px;
  border: 1px solid rgba(16, 185, 129, 0.34);
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.auth-hint { font-size: 12px; color: var(--muted); }

.field { display: grid; gap: 6px; }
.field > span { font-size: 12px; font-weight: 500; color: var(--fg-2); }
.field input, .field textarea, .field select {
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--fg); font-size: 13px;
  transition: all var(--dur) var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(15, 20, 36, 0.85);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}
.req { color: var(--danger); font-style: normal; font-size: 10px; margin-left: 4px; }
.opt { color: var(--muted); font-style: normal; font-size: 10px; margin-left: 4px; }
.hint { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ============================================================
 * 主布局
 * ============================================================ */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100vh; overflow: hidden;
}

/* ---- 侧边栏 ---- */
.side {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  overflow-y: auto;
  position: relative;
}
.side::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.12), transparent);
  pointer-events: none;
}
.side-brand {
  padding: 22px 20px 18px;
  font-weight: 700; font-size: 16px;
  border-bottom: 1px solid var(--line);
  position: relative; z-index: 1;
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.side-nav { flex: 1; padding: 12px 0; position: relative; z-index: 1; }
.side-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; margin: 2px 12px;
  color: var(--fg-2); font-size: 13px; font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--dur) var(--ease);
  position: relative;
}
.side-item::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%) scaleY(0);
  width: 3px; height: 60%;
  background: var(--grad-primary); border-radius: 0 3px 3px 0;
  transition: transform var(--dur) var(--ease);
}
.side-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--fg);
  text-decoration: none;
  transform: translateX(2px);
}
.side-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--fg); font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.28);
}
.side-item.active::before { transform: translateY(-50%) scaleY(1); }
.side-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.85; }
.side-item.sub { padding-left: 44px; font-size: 12.5px; }

.side-group-title {
  padding: 16px 20px 6px;
  font-size: 10px; text-transform: uppercase;
  color: var(--muted); font-weight: 700; letter-spacing: 1.2px;
  margin-top: 8px;
}
.side-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  position: relative; z-index: 1;
}
.side-logout {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 12.5px;
  padding: 6px 10px; border-radius: 6px;
  transition: all var(--dur) var(--ease);
}
.side-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  text-decoration: none;
}

/* ---- 主区 ---- */
.main {
  display: flex; flex-direction: column; overflow: hidden;
  background: linear-gradient(180deg, rgba(13, 18, 32, 0.5), transparent);
}
.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(16px);
}
.top-title { font-size: 17px; font-weight: 700; letter-spacing: 0.3px; }
.top-user {
  font-size: 13px; color: var(--fg-2);
  display: flex; align-items: center; gap: 14px;
}
.top-user .badge {
  padding: 4px 10px; border-radius: 999px;
  background: rgba(99, 102, 241, 0.14);
  border: 1px solid rgba(99, 102, 241, 0.32);
  color: var(--accent); font-weight: 600; font-size: 11.5px;
}

/* 状态灯 · 脉冲 */
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  position: relative; display: inline-block;
}
.status-dot.on {
  background: var(--success);
  box-shadow: 0 0 0 0 var(--success);
  animation: pulse-green 2s infinite;
}
.status-dot.warn {
  background: var(--warn);
  animation: pulse-warn 2.4s infinite;
}
.status-dot.off { background: var(--muted); opacity: 0.6; }
@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
@keyframes pulse-warn {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.content {
  flex: 1; overflow-y: auto; padding: 24px;
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  align-content: start;
}

/* ============================================================
 * 组件：按钮、面板、KPI、表格
 * ============================================================ */

/* 按钮 */
.btn {
  background: rgba(28, 36, 58, 0.6);
  border: 1px solid var(--line-2);
  color: var(--fg);
  padding: 9px 18px; border-radius: var(--radius);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  display: inline-flex; align-items: center; gap: 6px;
  position: relative; overflow: hidden;
}
.btn::before {
  content: ""; position: absolute; inset: 0;
  background: var(--grad-primary); opacity: 0;
  transition: opacity var(--dur) var(--ease);
  z-index: -1;
}
.btn:hover {
  border-color: transparent; color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn:hover::before { opacity: 1; }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: var(--grad-primary); border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.42);
}
.btn.primary::before { display: none; }
.btn.primary:hover { box-shadow: 0 6px 22px rgba(99, 102, 241, 0.6); }
.btn.danger {
  background: var(--grad-danger); border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.42);
}
.btn.danger::before { display: none; }

/* KPI 卡片 · 悬浮升起 + 渐变边框 */
.kpis {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; grid-column: 1 / -1;
}
.kpi {
  background: var(--grad-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  cursor: default;
  animation: kpi-in 0.5s var(--ease) both;
}
.kpi:nth-child(1) { animation-delay: 0.02s; }
.kpi:nth-child(2) { animation-delay: 0.06s; }
.kpi:nth-child(3) { animation-delay: 0.1s; }
.kpi:nth-child(4) { animation-delay: 0.14s; }
.kpi:nth-child(5) { animation-delay: 0.18s; }
.kpi:nth-child(6) { animation-delay: 0.22s; }
.kpi:nth-child(7) { animation-delay: 0.26s; }
@keyframes kpi-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.kpi::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-primary);
  opacity: 0.7;
}
.kpi::after {
  content: ""; position: absolute; top: -20%; right: -20%;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.14), transparent 70%);
  pointer-events: none;
}
.kpi:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(99, 102, 241, 0.28);
}
.kpi.accent::before { background: var(--grad-success); }
.kpi.accent::after { background: radial-gradient(circle, rgba(16, 185, 129, 0.16), transparent 70%); }
.kpi-label {
  color: var(--fg-2); font-size: 12px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.6px;
}
.kpi-value {
  font-size: 28px; font-weight: 700; margin-top: 6px;
  background: linear-gradient(180deg, #fff 0%, #b4bde0 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

/* 面板 · 玻璃拟态 */
.panel {
  background: var(--grad-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease);
  animation: panel-in 0.5s var(--ease) both;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.panel:hover { box-shadow: var(--shadow-md); }
.panel-title {
  margin: 0 0 14px; font-size: 13px; color: var(--fg-2);
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px;
  display: flex; align-items: center; gap: 8px;
}
.panel-title::before {
  content: ""; width: 3px; height: 14px;
  background: var(--grad-primary); border-radius: 2px;
}

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left; vertical-align: top;
}
.tbl th {
  color: var(--fg-2); font-weight: 600; font-size: 11.5px;
  background: rgba(28, 36, 58, 0.4);
  text-transform: uppercase; letter-spacing: 0.6px;
  position: sticky; top: 0;
}
.tbl tr { transition: background var(--dur) var(--ease); }
.tbl tr:hover td { background: rgba(99, 102, 241, 0.06); }
.muted { color: var(--muted); }
.pre {
  background: rgba(10, 14, 26, 0.6); padding: 12px 14px;
  border-radius: var(--radius); overflow: auto;
  font: 12px/1.55 "JetBrains Mono", Consolas, monospace;
  border: 1px solid var(--line); color: var(--fg-2);
}

/* 表单行内 */
.form-inline { display: inline-flex; gap: 8px; align-items: center; }
.form-inline input { width: 110px; }

/* 开关 · 现代化 */
.switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(28, 36, 58, 0.8);
  border: 1px solid var(--line-2);
  border-radius: 26px; transition: all var(--dur) var(--ease);
}
.slider:before {
  position: absolute; content: "";
  height: 18px; width: 18px; left: 3px; bottom: 3px;
  background: linear-gradient(145deg, #d4dbf5, #8894c0);
  border-radius: 50%;
  transition: all var(--dur) var(--ease);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.32);
}
input:checked + .slider {
  background: var(--grad-primary);
  border-color: transparent;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.48);
}
input:checked + .slider:before {
  transform: translateX(20px);
  background: linear-gradient(145deg, #fff, #d8dff8);
}

/* Toast / Alert */
.alert {
  padding: 12px 16px; border-radius: var(--radius);
  border: 1px solid var(--line-2);
  font-size: 13px;
  animation: alert-in 0.35s var(--ease);
}
@keyframes alert-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.alert.success {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.36);
  color: var(--success);
}
.alert.error {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.36);
  color: var(--danger);
}

/* 设置页专用：网格化 */
.settings-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.settings-actions {
  grid-column: 1 / -1;
  display: flex; gap: 12px; align-items: center;
  margin-top: 8px; padding-top: 16px;
  border-top: 1px solid var(--line);
}

/* 响应式 */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { display: none; }
  .content { padding: 16px; grid-template-columns: 1fr; }
}