/* ===== Top Bar ===== */
.main-area{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
.top-bar{height:56px;background:rgba(255,255,255,.82);backdrop-filter:blur(16px) saturate(1.8);-webkit-backdrop-filter:blur(16px) saturate(1.8);border-bottom:1px solid rgba(232,233,240,.6);display:flex;align-items:center;padding:0 20px;gap:12px;flex-shrink:0;position:relative;z-index:10}
.top-bar-title{display:flex;align-items:center;gap:8px;font-family:'Google Sans',sans-serif;font-size:16px;font-weight:600;color:var(--md-on-surface)}
.top-bar-title .material-symbols-outlined{font-size:22px;color:var(--md-primary)}
.top-bar-spacer{flex:1}
.org-selector,.customer-selector{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid var(--md-surface-3)}
.org-selector{background:var(--md-surface-1);color:var(--md-on-surface)}.org-selector:hover{background:var(--md-surface-2)}
.customer-selector{background:var(--md-primary-container);color:var(--md-on-primary-container)}.customer-selector:hover{box-shadow:var(--shadow-1)}
.ch-badges{display:flex;gap:4px}
.ch-badge{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff}
.ch-badge.ch-t{background:var(--ch-tencent)}.ch-badge.ch-o{background:var(--ch-ocean)}.ch-badge.ch-m{background:var(--ch-meta)}
.time-chip{display:flex;align-items:center;gap:4px;padding:6px 12px;border-radius:20px;background:var(--md-surface-1);font-size:12px;color:var(--md-on-surface-variant);border:1px solid var(--md-surface-3)}
.time-chip .material-symbols-outlined{font-size:16px}
.topbar-logout-btn{width:36px;height:36px;border-radius:50%;border:none;background:var(--md-surface-1);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s var(--ease-spring),transform .25s var(--ease-spring)}
.topbar-logout-btn:hover{background:var(--md-error-container);transform:scale(1.08)}
.topbar-logout-btn .material-symbols-outlined{font-size:20px;color:var(--md-on-surface-variant);transition:color .2s}
.topbar-logout-btn:hover .material-symbols-outlined{color:var(--md-error)}
/* Top Bar v2 */
.top-bar-divider{width:1px;height:24px;background:var(--md-surface-3);margin:0 4px}
.channel-status{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;background:var(--md-surface-1);border:1px solid var(--md-surface-3);font-size:12px;color:var(--md-on-surface-variant);cursor:pointer;transition:all .2s;position:relative}
.channel-status:hover{background:var(--md-surface-2);border-color:var(--md-outline)}
.channel-status .status-dot{width:8px;height:8px;border-radius:50%;background:var(--md-success);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.5}}
.channel-status-mini{display:flex;gap:3px}
.channel-status-mini .mini-dot{width:6px;height:6px;border-radius:50%}
.notify-btn{position:relative;width:36px;height:36px;border-radius:50%;border:none;background:var(--md-surface-1);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s var(--ease-spring),transform .25s var(--ease-spring)}
.notify-btn:hover{background:var(--md-surface-2);transform:scale(1.08)}
.notify-btn .material-symbols-outlined{font-size:20px;color:var(--md-on-surface-variant)}
.notify-btn .notify-badge{position:absolute;top:4px;right:4px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--md-error);color:#fff;font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center}
.top-notify-panel{position:absolute;top:calc(100% + 8px);right:56px;width:360px;max-height:420px;background:rgba(255,255,255,.96);backdrop-filter:blur(16px) saturate(1.8);-webkit-backdrop-filter:blur(16px) saturate(1.8);border-radius:14px;box-shadow:0 16px 40px rgba(0,82,217,.1),0 4px 12px rgba(0,0,0,.06);border:1px solid rgba(232,233,240,.75);z-index:120;opacity:0;transform:translateY(-8px) scale(.97);pointer-events:none;transition:opacity .25s var(--ease-spring),transform .25s var(--ease-spring);display:flex;flex-direction:column;overflow:hidden}
.top-notify-panel.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.top-notify-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--md-surface-3)}
.top-notify-title{font-size:13px;font-weight:700;color:var(--md-on-surface)}
.top-notify-clear{border:none;background:transparent;color:var(--md-primary);font-size:11px;font-weight:600;cursor:pointer}
.top-notify-tabs{display:flex;gap:6px;padding:8px 12px;border-bottom:1px solid var(--md-surface-3)}
.top-notify-tab{border:1px solid var(--md-surface-3);background:var(--md-surface-1);border-radius:999px;padding:4px 10px;font-size:11px;font-weight:600;color:var(--md-on-surface-variant);cursor:pointer}
.top-notify-tab.active{background:var(--md-primary-container);border-color:var(--md-primary-container);color:var(--md-primary)}
.top-notify-list{padding:8px 10px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:7px}
.top-notify-item{padding:9px;border-radius:10px;border:1px solid var(--md-surface-3);background:var(--md-surface-1);display:flex;gap:8px;align-items:flex-start}
.top-notify-item.unread{box-shadow:inset 2px 0 0 var(--md-primary)}
.top-notify-icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.top-notify-main{min-width:0;flex:1}
.top-notify-line1{font-size:12px;font-weight:600;color:var(--md-on-surface);line-height:1.3}
.top-notify-line2{font-size:11px;color:var(--md-on-surface-variant);line-height:1.4;margin-top:2px}
.top-notify-row{display:flex;align-items:center;gap:6px;margin-top:6px}
.top-notify-action{padding:2px 8px;border-radius:999px;border:1px solid var(--md-surface-3);background:var(--md-surface);font-size:10px;color:var(--md-primary);cursor:pointer}
.top-notify-read{padding:2px 6px;border:none;background:transparent;font-size:10px;color:var(--md-on-surface-variant);cursor:pointer}
.top-notify-time{font-size:9px;color:var(--md-outline);margin-top:3px}
.top-notify-empty{font-size:12px;color:var(--md-outline);text-align:center;padding:16px}
.top-notify-foot{padding:10px 12px;border-top:1px solid var(--md-surface-3)}
.top-notify-foot-btn{width:100%;padding:7px 10px;border-radius:10px;border:1px dashed var(--md-outline-variant);background:transparent;color:var(--md-primary);font-size:12px;font-weight:600;cursor:pointer}
.channel-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:280px;background:rgba(255,255,255,.95);backdrop-filter:blur(16px) saturate(1.8);-webkit-backdrop-filter:blur(16px) saturate(1.8);border-radius:var(--radius-sm);box-shadow:0 16px 40px rgba(0,82,217,.1),0 4px 12px rgba(0,0,0,.06);border:1px solid rgba(232,233,240,.6);z-index:100;opacity:0;transform:translateY(-8px) scale(.97);pointer-events:none;transition:opacity .25s var(--ease-spring),transform .25s var(--ease-spring)}
.channel-dropdown.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.channel-dropdown-head{padding:12px 16px;border-bottom:1px solid var(--md-surface-3);font-size:11px;font-weight:600;color:var(--md-on-surface-variant);text-transform:uppercase;letter-spacing:.5px}
.channel-dropdown-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;transition:background .15s}
.channel-dropdown-item:hover{background:var(--md-surface-1)}
.channel-dropdown-item:last-child{border-radius:0 0 var(--radius-sm) var(--radius-sm)}
.channel-dropdown-icon{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}
.channel-dropdown-info{flex:1;min-width:0}
.channel-dropdown-name{font-size:13px;font-weight:500;color:var(--md-on-surface)}
.channel-dropdown-accounts{font-size:11px;color:var(--md-outline);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.channel-dropdown-status{font-size:11px;font-weight:500;display:flex;align-items:center;gap:4px}
.channel-dropdown-status.online{color:var(--md-success)}
.channel-dropdown-status.offline{color:var(--md-error)}

/* Alert Banner */
.alert-banner{padding:0 20px;display:flex;align-items:center;gap:10px;font-size:13px;transition:max-height .35s var(--ease-spring),opacity .35s var(--ease-spring),padding .35s var(--ease-spring);overflow:hidden;max-height:0;opacity:0;border-bottom:1px solid transparent}
.alert-banner.show{max-height:60px;opacity:1;padding:10px 20px;animation:floatUp .4s var(--ease-spring)}
.alert-banner .material-symbols-outlined{font-size:20px;flex-shrink:0}
.alert-banner.alert-warn{background:var(--md-warning-container);color:#7A4100;border-bottom-color:#E3C68A}
.alert-banner.alert-error{background:var(--md-error-container);color:#8B1A10;border-bottom-color:#E8A9A3}
.alert-banner.alert-success{background:var(--md-success-container);color:#0D652D;border-bottom-color:#8BC9A0}
.alert-dismiss{margin-left:auto;cursor:pointer;opacity:.6}.alert-dismiss:hover{opacity:1}

/* Theme Toggle Button */
.theme-toggle{position:relative;width:36px;height:36px;border-radius:50%;border:none;background:var(--md-surface-1);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s var(--ease-spring),transform .25s var(--ease-spring)}
.theme-toggle:hover{background:var(--md-surface-2);transform:scale(1.08)}
.theme-toggle .material-symbols-outlined{font-size:20px;color:var(--md-on-surface-variant);transition:transform .35s var(--ease-spring)}
.theme-toggle:hover .material-symbols-outlined{transform:rotate(30deg)}
.theme-toggle .icon-dark,.theme-toggle .icon-light{position:absolute;transition:opacity .3s,transform .3s}
.theme-toggle .icon-light{opacity:0;transform:rotate(-90deg) scale(.5)}
[data-theme="dark"] .theme-toggle .icon-dark{opacity:0;transform:rotate(90deg) scale(.5)}
[data-theme="dark"] .theme-toggle .icon-light{opacity:1;transform:rotate(0) scale(1)}

/* User Menu Dropdown */
.user-menu-header{display:flex;align-items:center;gap:10px;padding:14px 16px}
.user-menu-avatar{width:36px;height:36px;border-radius:50%;background:var(--md-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}
.user-menu-info{flex:1;min-width:0}
.user-menu-name{font-size:14px;font-weight:600;color:var(--md-on-surface);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-menu-email{font-size:11px;color:var(--md-outline);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-menu-divider{height:1px;background:var(--md-surface-3);margin:0 12px}
.user-menu-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;font-size:13px;font-weight:500;color:var(--md-on-surface);transition:background .15s}
.user-menu-item:hover{background:var(--md-surface-2)}
.user-menu-item .material-symbols-outlined{font-size:18px;color:var(--md-on-surface-variant)}
.user-menu-logout{color:var(--md-error)}
.user-menu-logout .material-symbols-outlined{color:var(--md-error)}
.user-menu-logout:hover{background:var(--md-error-container)}

/* Theme Transition — smooth dark/light switch */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after{
  transition:background-color .35s ease,
             background .35s ease,
             color .35s ease,
             border-color .35s ease,
             box-shadow .35s ease,
             fill .35s ease,
             stroke .35s ease,
             opacity .35s ease,
             filter .35s ease !important
}