.ios-calc{--calc-bg: #000000;--calc-func: #575757;--calc-func-active: #9f9f9f;--calc-digit: color-mix(in srgb, #2b2b2b 95%, #000000 5%);--calc-digit-active: color-mix(in srgb, #626262 95%, #000000 5%);--calc-op: #ff9300;--calc-op-active: #ffc108;--calc-tool: #141414;--calc-tool-active: #686868;--calc-func-text: #ffffff;--calc-digit-text: #ffffff;--calc-op-text: #ffffff;--calc-gap: 12px;font-family:-apple-system,BlinkMacSystemFont,Inter,Helvetica Neue,sans-serif;background:var(--calc-bg);color:#fff;position:fixed;top:0;right:0;bottom:0;left:0;z-index:1;width:100%;height:100%;height:100vh;height:100dvh;height:-webkit-fill-available;min-height:100vh;min-height:100dvh;min-height:-webkit-fill-available;overflow:hidden;overscroll-behavior:none;display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;padding:max(env(safe-area-inset-top),10px) 20px 0;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}html.calc-page,body.calc-page{background:#000!important;background-image:none!important;overflow:hidden;height:100%;min-height:100%;min-height:-webkit-fill-available;overscroll-behavior:none}.ios-calc:after{content:"";position:fixed;left:0;right:0;bottom:0;height:env(safe-area-inset-bottom,0px);background:#000;pointer-events:none;z-index:2}html.env-ios-pwa .ios-calc:after{display:none}.ios-calc-shell{width:100%;max-width:420px;margin:0 auto;flex:1;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:16px;max-height:100%;--calc-grid-btn-size: calc((100% - 3 * var(--calc-gap)) / 4)}.ios-calc-display-wrap{display:flex;flex-direction:column;justify-content:space-between;min-height:0;overflow:hidden;padding-bottom:0}.ios-calc-toolbar{display:flex;justify-content:space-between;align-items:center;flex-shrink:0;margin-top:10px}.ios-calc-display-lines{display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;flex:1;min-height:0}.ios-calc-formula-history{text-align:right;color:#8d8d8d;font-weight:300;font-size:35px;line-height:1.1;white-space:nowrap;overflow:hidden;padding:0 2px 4px 0;letter-spacing:-.02em}.ios-calc-result{text-align:right;font-weight:300;line-height:1;white-space:nowrap;overflow:hidden;padding:0 2px 0 0;align-self:stretch;letter-spacing:-.02em}html.env-ios-pwa .ios-calc{height:100svh;min-height:100svh}.ios-calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--calc-gap);width:100%;flex-shrink:0;align-self:stretch;padding-bottom:5%;transform:translateY(-5%)}html.env-ios-pwa .ios-calc-grid{padding-bottom:env(safe-area-inset-bottom,0px);transform:translateY(calc(var(--calc-grid-btn-size) / 3 - 5%))}.ios-calc-grid .ios-calc-btn{transform:scale(1.03)}.ios-calc-grid .ios-calc-btn:active{transform:scale(.9785)}.ios-calc-btn,.ios-calc-icon-btn{position:relative;isolation:isolate;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .1s,background .1s;-webkit-tap-highlight-color:transparent;touch-action:manipulation;padding:0;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;outline:none;-webkit-user-modify:read-only;background:radial-gradient(circle at 50% 38%,color-mix(in srgb,var(--btn-base) 90%,white 10%),color-mix(in srgb,var(--btn-base) 95%,white 5%),color-mix(in srgb,var(--btn-base) 90%,white 10%))}.ios-calc-btn:before,.ios-calc-icon-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;padding:.75px;background:linear-gradient(135deg,#ffffff57,#ffffff1a 45%,#00000047);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:1}.ios-calc-btn:active{transform:scale(.95);background:radial-gradient(circle at 50% 38%,color-mix(in srgb,var(--btn-active) 90%,white 10%),color-mix(in srgb,var(--btn-active) 95%,white 5%),color-mix(in srgb,var(--btn-active) 90%,white 10%))}.ios-calc-icon-btn:active{transform:translateY(calc(var(--calc-grid-btn-size) / -4 - 1px)) scale(.95);background:radial-gradient(circle at 50% 38%,color-mix(in srgb,var(--btn-active) 90%,white 10%),color-mix(in srgb,var(--btn-active) 95%,white 5%),color-mix(in srgb,var(--btn-active) 90%,white 10%))}.ios-calc-icon-btn{width:43.2px;height:43.2px;--btn-base: var(--calc-tool);--btn-active: var(--calc-tool-active);cursor:default;transform:translateY(calc(var(--calc-grid-btn-size) / -4 - 1px))}.ios-calc-btn{aspect-ratio:1;width:100%;font-size:calc((clamp(1.65rem,8.5vw,2.125rem) + 5px)*.9);font-weight:400;font-family:inherit}.ios-calc-btn--func{--btn-base: var(--calc-func);--btn-active: var(--calc-func-active);color:var(--calc-func-text)}.ios-calc-btn--digit{--btn-base: var(--calc-digit);--btn-active: var(--calc-digit-active);color:var(--calc-digit-text)}.ios-calc-btn--op{--btn-base: var(--calc-op);--btn-active: var(--calc-op-active);color:var(--calc-op-text);font-size:calc((clamp(1.85rem,9vw,2.375rem) + 5px)*.9 + 10px)}.ios-calc-grid .ios-calc-btn:nth-child(3){font-size:calc((clamp(1.85rem,9vw,2.375rem) + 5px)*.9 + 10px)}.ios-calc-btn__img{position:relative;z-index:0;display:block;object-fit:contain;pointer-events:none;mix-blend-mode:screen;margin:0 auto;-webkit-user-drag:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.ios-calc-btn__img--delete{width:45.64%;height:45.64%}.ios-calc-btn__img--sign{width:39.6%;height:39.6%;transform:none}.ios-calc-icon-btn__img{position:relative;z-index:0;width:52%;height:52%;object-fit:contain;pointer-events:none;mix-blend-mode:screen;margin:0 auto;-webkit-user-drag:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}:root{--radius: 14px;--radius-sm: 10px;--font: "DM Sans", system-ui, sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace;--danger: #fa5151;--success: #07c160;--shadow: 0 24px 80px rgba(0, 0, 0, .18)}[data-mode=light]{--bg-deep: #eef1f6;--bg-panel: rgba(255, 255, 255, .92);--bg-elevated: #ffffff;--bg-hover: rgba(0, 0, 0, .04);--bg-input: rgba(0, 0, 0, .04);--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .14);--text: #1a2332;--text-muted: #6b7280;--accent-contrast: #ffffff;--modal-overlay: rgba(15, 23, 42, .45);--field-focus-ring: rgba(7, 193, 96, .2);--body-glow-1: rgba(7, 193, 96, .08);--body-glow-2: rgba(56, 189, 248, .06);--body-glow-3: rgba(129, 140, 248, .05);--shadow: 0 20px 60px rgba(15, 23, 42, .12);--im-app-bg: #e8e8e8;--im-list-bg: #f5f5f5;--im-chat-bg: #ededed;--im-chat-dot: #d8d8d8;--im-toolbar-bg: #f5f5f5;--im-composer-bg: #f5f5f5;--im-popover-bg: #ffffff;--im-panel-bg: #ffffff;--im-border: #e0e0e0;--im-text: #1a1a1a;--im-text-secondary: #555;--im-text-muted: #888;--im-text-faint: #aaa;--im-search-bg: #e8e8e8;--im-row-hover: #ebebeb;--im-row-active: #d9d9d9;--im-row-border: rgba(0, 0, 0, .04);--im-peer-bubble: #ffffff;--im-input-bg: #ffffff;--im-input-border: #e8e8e8;--im-tool-hover: rgba(0, 0, 0, .06);--im-date-bg: rgba(0, 0, 0, .06);--im-load-btn-bg: rgba(255, 255, 255, .6);--im-failed-bg: #ffe0e0;--im-mobile-tab-bg: #f7f7f7;--im-placeholder-icon: #ccc;--im-placeholder-title: #555;--im-msg-time: rgba(0, 0, 0, .35);--im-avatar-ring: #f5f5f5;--im-offline: #bbb;--im-nav-bg: #2e2e2e;--im-nav-text: #9a9a9a;--im-nav-text-hover: #e0e0e0;--im-nav-hover: rgba(255, 255, 255, .08)}[data-mode=dark]{--bg-deep: #080b10;--bg-panel: rgba(16, 22, 32, .72);--bg-elevated: rgba(24, 32, 48, .92);--bg-hover: rgba(255, 255, 255, .05);--bg-input: rgba(0, 0, 0, .28);--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .14);--text: #eef2f8;--text-muted: #8b95a8;--accent-contrast: #041018;--modal-overlay: rgba(4, 8, 14, .72);--field-focus-ring: rgba(110, 231, 255, .15);--body-glow-1: rgba(56, 189, 248, .14);--body-glow-2: rgba(129, 140, 248, .1);--body-glow-3: rgba(192, 132, 252, .06);--shadow: 0 24px 80px rgba(0, 0, 0, .45);--im-app-bg: #141414;--im-list-bg: #1c1c1c;--im-chat-bg: #181818;--im-chat-dot: #2a2a2a;--im-toolbar-bg: #222;--im-composer-bg: #222;--im-popover-bg: #2a2a2a;--im-panel-bg: #2a2a2a;--im-border: #333;--im-text: #e8e8e8;--im-text-secondary: #bbb;--im-text-muted: #888;--im-text-faint: #666;--im-search-bg: #2a2a2a;--im-row-hover: #262626;--im-row-active: #2e2e2e;--im-row-border: rgba(255, 255, 255, .04);--im-peer-bubble: #2a2a2a;--im-input-bg: #2a2a2a;--im-input-border: #3a3a3a;--im-tool-hover: rgba(255, 255, 255, .08);--im-date-bg: rgba(255, 255, 255, .08);--im-load-btn-bg: rgba(255, 255, 255, .08);--im-failed-bg: rgba(250, 81, 81, .18);--im-mobile-tab-bg: #1c1c1c;--im-placeholder-icon: #444;--im-placeholder-title: #aaa;--im-msg-time: rgba(255, 255, 255, .35);--im-avatar-ring: #222;--im-offline: #555;--im-nav-bg: #111;--im-nav-text: #888;--im-nav-text-hover: #ccc;--im-nav-hover: rgba(255, 255, 255, .06)}[data-palette=wechat]{--accent: #07c160;--accent-2: #06ad56;--accent-solid: #07c160;--accent-grad: linear-gradient(135deg, #07c160 0%, #06ad56 100%);--im-accent: #07c160;--im-accent-hover: #06ad56;--im-bubble-mine: #95ec69;--im-bubble-mine-text: #1a1a1a;--im-nav-active: #07c160;--im-nav-active-bg: rgba(7, 193, 96, .15);--im-link: #576b95;--im-online: #07c160;--im-unread: #fa5151;--conv-active-bg: rgba(7, 193, 96, .1);--conv-active-border: rgba(7, 193, 96, .22)}[data-mode=dark][data-palette=wechat]{--im-bubble-mine: #3eb575;--im-bubble-mine-text: #ffffff}[data-palette=ocean]{--accent: #0891b2;--accent-2: #06b6d4;--accent-solid: #0891b2;--accent-grad: linear-gradient(135deg, #0891b2 0%, #06b6d4 55%, #67e8f9 100%);--im-accent: #0891b2;--im-accent-hover: #0e7490;--im-bubble-mine: #a5f3fc;--im-bubble-mine-text: #0c4a6e;--im-nav-active: #22d3ee;--im-nav-active-bg: rgba(8, 145, 178, .18);--im-link: #0e7490;--im-online: #06b6d4;--im-unread: #f43f5e;--conv-active-bg: rgba(8, 145, 178, .1);--conv-active-border: rgba(8, 145, 178, .25)}[data-mode=dark][data-palette=ocean]{--im-bubble-mine: #0e7490;--im-bubble-mine-text: #e0f2fe}[data-palette=violet]{--accent: #7c3aed;--accent-2: #a78bfa;--accent-solid: #7c3aed;--accent-grad: linear-gradient(135deg, #7c3aed 0%, #a78bfa 55%, #c4b5fd 100%);--im-accent: #7c3aed;--im-accent-hover: #6d28d9;--im-bubble-mine: #ddd6fe;--im-bubble-mine-text: #3b0764;--im-nav-active: #a78bfa;--im-nav-active-bg: rgba(124, 58, 237, .18);--im-link: #6d28d9;--im-online: #8b5cf6;--im-unread: #ec4899;--conv-active-bg: rgba(124, 58, 237, .1);--conv-active-border: rgba(124, 58, 237, .25)}[data-mode=dark][data-palette=violet]{--im-bubble-mine: #6d28d9;--im-bubble-mine-text: #f5f3ff}[data-palette=sunset]{--accent: #ea580c;--accent-2: #f97316;--accent-solid: #ea580c;--accent-grad: linear-gradient(135deg, #ea580c 0%, #f97316 55%, #fdba74 100%);--im-accent: #ea580c;--im-accent-hover: #c2410c;--im-bubble-mine: #fed7aa;--im-bubble-mine-text: #7c2d12;--im-nav-active: #fb923c;--im-nav-active-bg: rgba(234, 88, 12, .18);--im-link: #c2410c;--im-online: #f97316;--im-unread: #dc2626;--conv-active-bg: rgba(234, 88, 12, .1);--conv-active-border: rgba(234, 88, 12, .25)}[data-mode=dark][data-palette=sunset]{--im-bubble-mine: #c2410c;--im-bubble-mine-text: #fff7ed}[data-palette=slate]{--accent: #475569;--accent-2: #64748b;--accent-solid: #475569;--accent-grad: linear-gradient(135deg, #334155 0%, #64748b 55%, #94a3b8 100%);--im-accent: #475569;--im-accent-hover: #334155;--im-bubble-mine: #cbd5e1;--im-bubble-mine-text: #1e293b;--im-nav-active: #94a3b8;--im-nav-active-bg: rgba(71, 85, 105, .2);--im-link: #475569;--im-online: #64748b;--im-unread: #ef4444;--conv-active-bg: rgba(71, 85, 105, .12);--conv-active-border: rgba(71, 85, 105, .28)}[data-mode=dark][data-palette=slate]{--im-bubble-mine: #475569;--im-bubble-mine-text: #f1f5f9}.theme-trigger-floating{position:fixed;top:1rem;right:1rem;z-index:50;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--bg-panel);border:1px solid var(--border);color:var(--text-muted);box-shadow:var(--shadow);transition:color .15s,border-color .15s}.theme-trigger-floating:hover{color:var(--accent);border-color:var(--border-strong)}.theme-trigger-header{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:var(--im-text-muted);transition:background .12s,color .12s}.theme-trigger-header:hover{background:var(--im-tool-hover);color:var(--im-accent)}.theme-switcher{position:relative}.theme-panel--rail-fixed{position:fixed;left:auto;right:max(12px,env(safe-area-inset-right));bottom:max(72px,calc(env(safe-area-inset-bottom) + 64px));top:auto;z-index:400}.theme-panel{z-index:200;width:280px;padding:0;border-radius:14px;background:var(--bg-elevated);border:1px solid var(--border-strong);box-shadow:var(--shadow);overflow:hidden}.theme-panel--floating{position:fixed;top:4rem;right:1rem}.theme-panel--rail{position:absolute;left:calc(100% + 10px);bottom:0}.theme-panel--header{position:absolute;right:0;top:calc(100% + 8px)}.theme-panel-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border);font-size:.9rem}.theme-panel-close{width:28px;height:28px;border-radius:8px;color:var(--text-muted);display:grid;place-items:center;font-size:.85rem}.theme-panel-close:hover{background:var(--bg-hover);color:var(--text)}.theme-section{padding:12px 14px;border-bottom:1px solid var(--border)}.theme-section:last-child{border-bottom:none}.theme-section-label{font-size:.75rem;color:var(--text-muted);margin-bottom:8px}.theme-mode-toggle{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:var(--bg-input);padding:4px;border-radius:10px}.theme-mode-toggle button{padding:7px 10px;border-radius:8px;font-size:.82rem;color:var(--text-muted);transition:background .15s,color .15s}.theme-mode-toggle button.active{background:var(--bg-elevated);color:var(--text);box-shadow:0 1px 3px #0000001a;font-weight:600}.theme-quick-toggle{margin-top:8px;width:100%;padding:7px;border-radius:8px;font-size:.78rem;color:var(--accent);background:var(--bg-hover)}.theme-quick-toggle:hover{background:var(--conv-active-bg)}.theme-palette-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.theme-palette-card{display:flex;flex-direction:column;align-items:center;gap:5px;padding:8px 4px;border-radius:10px;border:2px solid transparent;transition:border-color .15s,background .15s}.theme-palette-card:hover{background:var(--bg-hover)}.theme-palette-card.active{border-color:var(--accent);background:var(--conv-active-bg)}.theme-palette-card .swatch{width:36px;height:36px;border-radius:50%;box-shadow:inset 0 1px #ffffff4d}.theme-palette-card .name{font-size:.68rem;color:var(--text-muted)}.theme-palette-card.active .name{color:var(--text);font-weight:600}@media(max-width:768px){.theme-panel--rail{position:fixed;left:auto;right:max(12px,env(safe-area-inset-right));bottom:max(72px,calc(env(safe-area-inset-bottom) + 64px));top:auto;z-index:400}}html.env-ios .theme-panel--rail,html.env-ios-pwa .theme-panel--rail{position:fixed;left:auto;right:max(12px,env(safe-area-inset-right));bottom:max(72px,calc(env(safe-area-inset-bottom) + 64px));top:auto;z-index:400}.loading-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:1.5rem;background:radial-gradient(ellipse 70% 55% at 50% 0%,var(--body-glow-1),transparent 60%),radial-gradient(ellipse 50% 40% at 80% 100%,var(--body-glow-2),transparent 55%),var(--bg-deep)}.loading-screen__card{width:min(320px,100%);padding:2rem 1.75rem 1.65rem;border-radius:calc(var(--radius) + 6px);background:var(--bg-panel);border:1px solid var(--border);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);text-align:center;display:grid;gap:.65rem;animation:loading-card-in .45s ease-out both}@keyframes loading-card-in{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.loading-screen__logo{position:relative;width:64px;height:64px;margin:0 auto .35rem}.loading-screen__mark{position:relative;z-index:1;width:64px;height:64px;border-radius:18px;display:grid;place-items:center;font-weight:700;font-size:1.55rem;background:var(--accent-grad);color:var(--accent-contrast);box-shadow:0 12px 32px color-mix(in srgb,var(--accent) 35%,transparent)}.loading-screen__orbit{position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:22px;border:2px solid transparent;border-top-color:var(--accent);border-right-color:color-mix(in srgb,var(--accent) 40%,transparent);animation:spin 1.1s cubic-bezier(.45,.05,.55,.95) infinite}.loading-screen__title{font-size:1.05rem;font-weight:600;letter-spacing:-.02em;color:var(--text)}.loading-screen__hint{font-size:.82rem;color:var(--text-muted);line-height:1.45}.loading-shimmer-bar{height:3px;margin-top:.5rem;border-radius:999px;background:var(--bg-input);overflow:hidden;position:relative}.loading-shimmer-bar:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;width:40%;border-radius:inherit;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 55%,transparent),transparent);animation:loading-shimmer 1.4s ease-in-out infinite}@keyframes loading-shimmer{0%{transform:translate(-120%)}to{transform:translate(320%)}}.loading-dots{display:inline-flex;align-items:center;justify-content:center;gap:6px;margin-top:.15rem}.loading-dots span{width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.35;animation:loading-dot 1.2s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.15s}.loading-dots span:nth-child(3){animation-delay:.3s}@keyframes loading-dot{0%,80%,to{opacity:.3;transform:scale(.85)}40%{opacity:1;transform:scale(1)}}.loading-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:2.5rem 1.25rem;text-align:center}.loading-panel--tight{padding:1.25rem 1rem}.loading-panel__spinner{width:36px;height:36px;border-radius:50%;border:2.5px solid color-mix(in srgb,var(--accent) 18%,transparent);border-top-color:var(--accent);animation:spin .85s linear infinite}.loading-panel__message{font-size:.88rem;font-weight:500;color:var(--text)}.loading-panel__hint{font-size:.78rem;color:var(--text-muted);max-width:220px;line-height:1.4}.loading-inline{display:inline-flex;align-items:center;gap:.55rem;padding:.65rem 0;color:var(--text-muted);font-size:.84rem}.loading-inline__spinner{width:16px;height:16px;flex-shrink:0;border-radius:50%;border:2px solid color-mix(in srgb,var(--accent) 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1.25rem;min-height:132px;border-radius:16px;border:1px solid var(--im-border);background:var(--im-surface);box-shadow:0 8px 24px color-mix(in srgb,var(--im-text) 4%,transparent);transition:transform .25s ease,box-shadow .25s ease}.admin-stat-card:before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:3px;background:var(--admin-stat-accent, var(--im-accent));opacity:.85}.admin-stat-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px color-mix(in srgb,var(--im-text) 8%,transparent)}.admin-stat-card--green{--admin-stat-accent: var(--im-online)}.admin-stat-card--blue{--admin-stat-accent: var(--im-accent)}.admin-stat-card--amber{--admin-stat-accent: #e8a317}.admin-stat-card--violet{--admin-stat-accent: #7c6cf0}.admin-stat-card-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.75rem}.admin-stat-label{font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--im-text-muted)}.admin-stat-live{width:8px;height:8px;border-radius:50%;background:var(--im-online);box-shadow:0 0 color-mix(in srgb,var(--im-online) 45%,transparent);animation:adminLivePulse 2s ease-out infinite}.admin-stat-value{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.admin-stat-value small{margin-left:.35rem;font-size:1rem;font-weight:500;color:var(--im-text-muted)}.admin-stat-hint{margin:.65rem 0 0;font-size:.78rem;color:var(--im-text-muted)}.admin-stat-enter{animation:adminStatFadeUp .55s cubic-bezier(.22,1,.36,1) both}.admin-stat-card--skeleton{pointer-events:none}.admin-skeleton{border-radius:8px;background:linear-gradient(90deg,color-mix(in srgb,var(--im-border) 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var(--im-border)}.admin-pagination-info{font-size:.85rem;color:var(--im-text-muted)}.admin-group-row{align-items:flex-start}.admin-group-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.admin-password-hint{font-size:.82rem;line-height:1.45}.msg-recalled-row{display:flex;justify-content:center;padding:6px 12px}.msg-recalled-text{font-size:.78rem;color:var(--im-text-muted);background:var(--im-row-hover);border-radius:4px;padding:4px 10px}.msg-reedit-link{border:none;background:none;padding:0;margin:0;color:var(--im-accent);cursor:pointer;font-size:inherit}.msg-reedit-link:hover{text-decoration:underline}.admin-log-row{padding:10px;border-bottom:1px solid var(--border);display:grid;gap:4px}.msg-reply-quote{display:block;width:100%;max-width:100%;padding:6px 10px;margin-top:6px;margin-bottom:0;border:none;border-left:3px solid var(--im-accent);border-radius:4px;background:#0000000f;font-size:.78rem;line-height:1.35;text-align:left;cursor:pointer;transition:background .15s 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10px;border-radius:999px;background:var(--im-surface-2);color:var(--im-text-muted);white-space:nowrap}.emoji-picker-wrap{position:relative}.emoji-picker-wrap .tool-btn.active{color:var(--im-accent);background:color-mix(in srgb,var(--im-accent) 12%,transparent)}.emoji-picker-popover{position:absolute;left:0;bottom:calc(100% + 8px);z-index:30;width:min(360px,calc(100vw - 32px));border-radius:12px;overflow:hidden;box-shadow:0 8px 32px #0000002e;border:1px solid var(--im-border);background:var(--im-popover-bg)}.cn-emoji-picker{display:flex;flex-direction:column;height:360px;background:var(--im-popover-bg)}.cn-emoji-picker-search{flex-shrink:0;padding:10px 10px 6px;background:var(--im-popover-bg)}.cn-emoji-picker-search-input{width:100%;padding:8px 12px;border-radius:8px;border:1px solid var(--im-input-border);background:var(--im-input-bg);color:var(--im-text);font-size:.85rem;outline:none}.cn-emoji-picker-search-input:focus{border-color:var(--im-accent)}.cn-emoji-picker-grid{flex:1;min-height:0;overflow:auto;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;padding:4px 8px 8px;align-content:start;background:var(--im-popover-bg)}.cn-emoji-picker-empty{grid-column:1 / -1;text-align:center;padding:24px 8px;font-size:.85rem}.cn-emoji-picker-cell{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:1;border:none;border-radius:6px;background:transparent;cursor:pointer;padding:4px}.cn-emoji-picker-cell:hover{background:var(--im-hover)}.cn-emoji-picker-cell img{width:28px;height:28px;pointer-events:none}.cn-emoji-picker-tabs{flex-shrink:0;display:flex;gap:0;overflow-x:auto;border-top:1px solid var(--im-border);background:var(--im-toolbar-bg);scrollbar-width:none}.cn-emoji-picker-tabs::-webkit-scrollbar{display:none}.cn-emoji-picker-tab{flex:1 0 auto;min-width:52px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px 4px;border:none;background:transparent;color:var(--im-text-muted);font-size:.62rem;cursor:pointer}.cn-emoji-picker-tab img{width:22px;height:22px}.cn-emoji-picker-tab.active{color:var(--im-accent);background:color-mix(in srgb,var(--im-accent) 12%,var(--im-popover-bg))}.cn-emoji-picker-tab:disabled{opacity:.35;cursor:default}.composer-textarea-shell{position:relative;flex:1;min-width:0;width:100%;min-height:36px;max-height:120px;border-radius:6px;background:var(--im-input-bg);box-shadow:inset 0 0 0 1px var(--im-input-border)}.composer-textarea-shell:focus-within{box-shadow:inset 0 0 0 1px var(--im-accent)}.composer-textarea-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;padding:8px 10px;font-size:.9rem;line-height:1.45;white-space:pre-wrap;word-wrap:break-word;overflow:hidden;pointer-events:none;color:var(--im-text);border-radius:6px}.composer-textarea-backdrop img.emoji{width:1.15em;height:1.15em;vertical-align:-.15em;margin:0 1px}.composer-textarea-mirror{position:relative;z-index:1;background:transparent!important;color:transparent!important;caret-color:var(--im-text);-webkit-text-fill-color:transparent}.composer-textarea-mirror::placeholder{color:var(--im-text-muted);-webkit-text-fill-color:var(--im-text-muted);opacity:.85}.msg-text img.emoji{width:1.2em;height:1.2em;vertical-align:-.18em;margin:0 1px}.chat-main{position:relative;flex:1;display:flex;flex-direction:column;min-height:0}.group-info-drawer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;justify-content:flex-end}.group-info-panel{position:relative;flex-shrink:0;width:33.333%;min-width:260px;max-width:400px;height:100%;background-color:var(--im-toolbar-bg);opacity:1;border-left:1px solid var(--im-border);box-shadow:-6px 0 24px #0000001a;display:flex;flex-direction:column;overflow:hidden;isolation:isolate}.group-info-loading,.group-info-error{padding:16px 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var(--im-border)}.group-info-row{display:flex;flex-direction:column;gap:8px}.group-info-label{font-size:.82rem;color:var(--im-text-muted)}.group-info-value{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.e2e-status-badge{display:inline-flex;align-items:center;gap:5px;margin-top:4px;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:500;line-height:1.2}.e2e-status-badge.active{background:color-mix(in srgb,#34c759 16%,transparent);color:#2ea44f}.e2e-status-badge.pending{background:color-mix(in srgb,#ff9500 16%,transparent);color:#c77700}[data-mode=dark] .e2e-status-badge.pending{color:#ffb340}[data-mode=dark] .e2e-status-badge.active{color:#5dd879}.e2e-info-row .group-info-value{align-items:stretch}.e2e-info-value{flex-direction:column;align-items:stretch}.e2e-info-copy{display:flex;flex-direction:column;gap:6px}.e2e-info-title{font-size:.92rem;font-weight:500;color:var(--im-text-muted)}.e2e-info-title.active{color:#2ea44f}[data-mode=dark] .e2e-info-title.active{color:#5dd879}.e2e-info-hint{margin:0;font-size:.78rem;line-height:1.45}.e2e-toolbar-switch{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:8px;cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--im-text-muted);transition:background .15s,color .15s}.e2e-toolbar-switch:hover:not(.disabled){background:var(--bg-hover);color:var(--im-text-secondary)}.e2e-toolbar-switch.active{color:#2ea44f}.e2e-toolbar-switch.waiting{color:#c77700}[data-mode=dark] .e2e-toolbar-switch.waiting{color:#ffb340}[data-mode=dark] .e2e-toolbar-switch.active{color:#5dd879}.e2e-toolbar-switch.disabled{opacity:.45;cursor:not-allowed}.e2e-toolbar-switch-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.e2e-toolbar-switch-track{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--bg-input)}.e2e-toolbar-switch.active .e2e-toolbar-switch-track{background:#07c1601f}.e2e-toolbar-switch-label{font-size:.75rem;font-weight:500;max-width:4.5rem;white-space:nowrap}@media(max-width:768px){.e2e-toolbar-switch-label{display:none}}.group-info-announcement{flex:1;white-space:pre-wrap;word-break:break-word;line-height:1.5}.group-info-edit{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.group-info-edit.stack{flex-direction:column;align-items:stretch}.group-info-edit-actions{display:flex;gap:8px}.group-info-actions{display:flex;flex-direction:column;gap:8px;padding-top:8px;border-top:1px solid var(--im-border)}.group-info-actions .ghost-btn{justify-content:flex-start;width:100%}@media(max-width:768px){.group-info-panel{width:min(88vw,100%);min-width:0;max-width:none}.group-info-body{padding:14px 14px 20px}.group-member-grid{grid-template-columns:repeat(4,1fr);gap:8px}.group-member-add-icon{width:44px;height:44px;font-size:1.35rem}}@media(max-width:480px){.group-info-panel{width:100%;border-left:none;box-shadow:none}.group-member-grid{grid-template-columns:repeat(4,1fr)}}.group-invite-list{max-height:320px;overflow-y:auto}.modal-title{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;font-size:1rem;font-weight:600;line-height:1.4}.group-invite-modal-title{display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px}.group-invite-code-chip{padding:2px 10px;border-radius:999px;border:1px solid var(--im-border);background:var(--im-search-bg);color:var(--im-accent);font-size:.82rem;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.group-invite-code-chip:hover{background:var(--im-row-hover);border-color:var(--im-accent)}.group-invite-card .contact-card-info strong{font-size:.95rem}.admin-empty-state{padding:40px 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(pointer:coarse){.conv-item,.ghost-btn,.primary-btn,.icon-btn,.nav-rail-btn{min-height:44px}.conv-item{padding-top:10px;padding-bottom:10px}.voice-hold-btn{min-height:48px}.chat-toolbar .tool-btn,.wx-search-back{min-width:44px;min-height:44px}}html.env-ios-pwa:not(.calc-page) .im-app{box-sizing:border-box;padding-top:env(safe-area-inset-top)}html.env-ios-pwa:not(.calc-page) .list-header{padding-top:12px}html.env-ios-pwa:not(.calc-page) .chat-toolbar{padding-top:8px}html.env-ios-pwa:not(.calc-page) .nav-rail.mobile-drawer{top:env(safe-area-inset-top);padding-top:12px;box-sizing:border-box}html.env-ios-pwa:not(.calc-page) .nav-drawer-backdrop{top:env(safe-area-inset-top)}