.lang-toggle{display:inline-flex;align-items:center;justify-content:center;padding:4px;background:transparent;border:1px solid transparent;border-radius:4px;cursor:pointer;transition:transform .15s,border-color .15s;line-height:0}.lang-toggle:hover{transform:scale(1.15);border-color:#e2e8f0}.lang-flag{display:block;width:20px;height:14px;object-fit:cover}.header{position:sticky;top:0;z-index:100;background-color:#fff;border-bottom:1px solid #e2e8f0}.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px;height:64px}.header-logo{font-size:24px;font-weight:700;color:#4f46e5;text-decoration:none}.header-logo:hover{color:#4338ca}.header-right{display:flex;align-items:center;gap:12px}.header-guide-link{font-size:14px;font-weight:500;color:#64748b;text-decoration:none;transition:color .15s}.header-guide-link:hover{color:#4f46e5}.footer{background-color:#f8fafc;border-top:1px solid #e2e8f0;padding:24px;text-align:center}.footer-text{color:#94a3b8;font-size:14px}.home{display:flex;flex-direction:column;min-height:100vh}.home-main{flex:1}.hero{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;text-align:center;padding:80px 24px}.hero-title{font-size:40px;font-weight:700;margin-bottom:16px}.hero-subtitle{font-size:18px;opacity:.9;margin-bottom:40px}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn-primary{padding:14px 32px;background-color:#fff;color:#4f46e5;border:none;border-radius:10px;font-size:16px;font-weight:600;transition:transform .15s,box-shadow .15s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.btn-outline{padding:14px 32px;background-color:transparent;color:#fff;border:2px solid #ffffff;border-radius:10px;font-size:16px;font-weight:600;transition:background-color .15s}.btn-outline:hover{background-color:#ffffff26}.premium-section{max-width:800px;margin:48px auto;padding:0 24px;text-align:center}.premium-features{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;margin-bottom:20px}.premium-feature-item{display:flex;align-items:center;gap:8px;font-size:15px;color:#475569}.premium-feature-icon{font-size:20px}.premium-feature-label{font-weight:500}.service-section{max-width:1200px;margin:0 auto;padding:64px 24px}.service-title{text-align:center;font-size:28px;font-weight:700;color:#1e293b;margin-bottom:40px}.service-highlight{text-align:center;background:linear-gradient(135deg,#ede9fe,#e0e7ff);border:1px solid #c7d2fe;border-radius:16px;padding:40px 32px;margin-bottom:40px}.service-highlight-icon{margin-bottom:14px;display:flex;justify-content:center}.service-highlight-title{font-size:22px;font-weight:700;color:#3730a3;margin-bottom:10px}.service-highlight-desc{font-size:15px;color:#4338ca;line-height:1.7;max-width:500px;margin:0 auto}.service-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}.service-card{background-color:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:28px;box-shadow:0 2px 8px #0000000a;transition:box-shadow .15s}.service-card:hover{box-shadow:0 4px 16px #00000014}.service-card-icon{margin-bottom:14px}.service-card-title{font-size:18px;font-weight:600;color:#1e293b;margin-bottom:8px}.service-card-desc{font-size:14px;color:#64748b;line-height:1.6}@media(max-width:640px){.hero-title{font-size:28px}.hero-subtitle{font-size:16px}.hero{padding:48px 20px}.premium-features{gap:16px}}.join-page{display:flex;flex-direction:column;min-height:100vh}.join-main{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 24px;background-color:#f8fafc}.join-form{width:100%;max-width:440px;background-color:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:40px 32px;box-shadow:0 2px 8px #0000000a}.join-title{font-size:24px;font-weight:700;color:#1e293b;text-align:center;margin-bottom:28px}.join-error{background-color:#fef2f2;color:#dc2626;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:20px;text-align:center}.join-field{margin-bottom:20px}.join-label{display:block;font-size:14px;font-weight:500;color:#475569;margin-bottom:6px}.join-input{width:100%;padding:12px 16px;border:1px solid #cbd5e1;border-radius:8px;font-size:15px;color:#1e293b;outline:none;transition:border-color .15s}.join-input:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51a}.join-input::placeholder{color:#94a3b8}.join-submit{width:100%;padding:14px;background-color:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;margin-top:8px;transition:background-color .15s}.join-submit:hover{background-color:#4338ca}.canvas-container{width:100%;height:100%;position:relative;overflow:hidden;touch-action:none}.canvas-container canvas{box-shadow:0 4px 20px #0000004d;border-radius:4px;touch-action:none}.canvas-drag-over{outline:3px dashed #6c5ce7;outline-offset:-3px;border-radius:12px}.toolbar{display:flex;flex-direction:column;gap:10px;padding:12px}.toolbar-row{display:flex;align-items:center;gap:6px}.toolbar-spacer{flex:1}.tool-btn{width:40px;height:40px;border:none;border-radius:10px;background:#2a2a3e;color:#8b8ba3;cursor:pointer;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0;line-height:1;font-family:inherit;transition:all .2s}.tool-btn:hover{background:#3a3a52;color:#c4c4dc}.tool-btn.active{background:#6c5ce7;color:#fff;box-shadow:0 2px 8px #6c5ce766}.toolbar-label{font-size:12px;color:#8b8ba3;font-weight:500;white-space:nowrap;flex-shrink:0}.color-picker{width:32px;height:32px;border:2px solid #3a3a52;border-radius:8px;padding:2px;cursor:pointer;background:#2a2a3e;flex-shrink:0}.stroke-slider{width:100px;cursor:pointer;accent-color:#6c5ce7;flex-shrink:0}.stroke-value{font-size:12px;color:#8b8ba3;min-width:18px;text-align:center}.action-btn{display:flex;align-items:center;gap:4px;padding:6px 12px;border:none;border-radius:8px;background:#2a2a3e;color:#8b8ba3;font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .2s}.action-btn:hover{background:#3a3a52;color:#c4c4dc}.clear-btn:hover{background:#5c2a2a;color:#f5a5a5}.mic-btn.mic-on{background:#1a4a3a;color:#6ee7b7}.mic-btn.mic-on:hover{background:#5c2a2a;color:#f5a5a5}.chat-panel{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.chat-header{display:flex;justify-content:flex-end;padding:4px 8px 0;flex-shrink:0}.chat-lang-toggle{padding:2px}.chat-lang-toggle:hover{border-color:#3a3a52}.chat-messages{flex:1;overflow-y:auto;overflow-x:hidden;padding:10px;display:flex;flex-direction:column;gap:8px}.chat-message{padding:8px 12px;border-radius:10px;background-color:#2a2a3e}.chat-message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.chat-sender{font-size:12px;font-weight:600;color:#a78bfa}.chat-time{font-size:11px;color:#6b6b85}.chat-content{font-size:14px;color:#c4c4dc;line-height:1.4;word-break:break-word}.system-message{background-color:transparent;text-align:center;padding:4px 0}.chat-system-text{font-size:12px;color:#8b8ba3;line-height:1.5;word-break:break-word}.chat-link-copy-btn{display:inline-flex;align-items:center;gap:6px;margin:8px auto 0;padding:6px 12px;background-color:#2a2a3e;color:#a78bfa;border:1px solid #3a3a52;border-radius:8px;font-size:12px;font-family:monospace;word-break:break-all;cursor:pointer}.chat-link-copy-btn:hover{background-color:#3a3a52;color:#c4b5fd}.chat-input-area{display:flex;gap:6px;padding:8px 10px;flex-shrink:0}.chat-input{flex:1;min-width:0;padding:10px 12px;border:1px solid #3a3a52;border-radius:10px;background-color:#2a2a3e;color:#e2e2f0;font-size:13px;outline:none}.chat-input:focus{border-color:#6c5ce7}.chat-input::placeholder{color:#6b6b85}.chat-send-btn{padding:10px 14px;background-color:#6c5ce7;color:#fff;border:none;border-radius:10px;font-size:13px;font-weight:500;white-space:nowrap;flex-shrink:0;cursor:pointer}.chat-send-btn:hover{background-color:#5a4bd6}.participant-list{display:flex;flex-direction:column}.participant-tabs{display:flex;padding:0 4px}.participant-tab{flex:1;padding:10px;border:none;background-color:transparent;color:#8b8ba3;font-size:13px;font-weight:500;transition:color .2s;cursor:pointer}.participant-tab.active{color:#e2e2f0;border-bottom:2px solid #6c5ce7}.participant-tab:hover{color:#c4c4dc}.participant-content{max-height:200px;overflow-y:auto}.peer-list,.file-list{list-style:none;padding:0;margin:0}.peer-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid #2a2a3e}.peer-audio-indicator{width:8px;height:8px;border-radius:50%;background-color:#4a4a62;flex-shrink:0}.peer-audio-indicator.active{background-color:#22c55e}.peer-name{font-size:14px;color:#c4c4dc}.file-item{padding:4px 10px;border-bottom:1px solid #2a2a3e;display:flex;align-items:center;gap:4px}.file-delete-btn{background:none;border:none;color:#6b6b85;cursor:pointer;padding:2px;border-radius:4px;display:flex;align-items:center;flex-shrink:0;transition:color .15s}.file-delete-btn:hover{color:#e74c3c}.file-link{font-size:13px;color:#a78bfa;background:none;border:none;padding:0;cursor:pointer;text-align:left;width:100%;display:flex;align-items:center;gap:6px}.file-link:hover{color:#c4b5fd}.file-icon{font-size:12px;color:#6b6b85;flex-shrink:0}.file-drop-area{min-height:60px;transition:outline .15s}.file-drag-over{outline:2px dashed #6c5ce7;outline-offset:-2px;border-radius:8px}.file-empty{padding:24px 14px;font-size:13px;color:#6b6b85;text-align:center}.participant-panel{position:relative}.view-mode-toggle{position:absolute;top:2px;right:4px;z-index:1;background:#2a2a3e;border:1px solid #3a3a52;color:#c4c4dc;border-radius:4px;padding:2px 6px;font-size:12px;cursor:pointer;line-height:1}.view-mode-toggle:hover{background:#3a3a52;color:#e2e2f0}.peer-item.is-self .peer-name{color:#a78bfa}.peer-grid{display:grid;gap:4px;padding:4px;overflow-y:auto}.peer-grid.qqvga{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.peer-grid.qvga{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.peer-video-card{display:flex;flex-direction:column;background:#2a2a3e;border-radius:6px;overflow:hidden}.peer-video-card.is-self{border:1px solid #6c5ce7}.video-placeholder{width:100%;aspect-ratio:4 / 3;background:#1a1a2e;display:flex;align-items:center;justify-content:center;color:#4a4a62;font-size:20px;font-weight:600}.peer-video{width:100%;height:100%;object-fit:cover;display:block}.peer-video-card.is-self .video-placeholder{cursor:pointer}.peer-video-card.is-self .video-placeholder:hover{background:#252540}.video-placeholder svg{color:#4a4a62}.peer-card-footer{display:flex;align-items:center;gap:6px;padding:3px 6px}.peer-card-footer .peer-name{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.participant-content[data-view-mode=qqvga],.participant-content[data-view-mode=qvga]{max-height:320px}@media(orientation:landscape){.participant-panel:not(.active),.file-panel:not(.active){display:none}}@media(orientation:portrait)and (max-width:767px){.participant-panel:not(.active),.file-panel:not(.active){display:none}}@media(orientation:portrait)and (min-width:768px){.participant-tabs{display:none}.participant-content,.participant-content[data-view-mode]{display:flex;flex-direction:row;max-height:none;flex:1;min-height:0}.participant-panel,.file-panel{display:flex;flex-direction:column;width:50%;overflow-y:auto;min-height:0}.participant-panel{border-right:1px solid #2a2a3e}.participant-panel:before,.file-panel:before{content:attr(data-label);display:block;padding:6px 10px;font-size:11px;font-weight:600;color:#8b8ba3;border-bottom:1px solid #2a2a3e;flex-shrink:0}.file-drop-area{min-height:auto}.view-mode-toggle{top:2px;right:2px;z-index:2}}.pdf-control-bar{display:flex;align-items:center;gap:4px;padding:4px 8px;background:#1a1a2e80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:6px;position:absolute;bottom:8px;left:50%;transform:translate(-50%);z-index:10;transition:opacity .15s}.pdf-control-bar:hover{background:#1a1a2ed9}.pdf-control-bar button{padding:3px 8px;border:1px solid rgba(58,58,82,.6);border-radius:5px;background:#22223a80;cursor:pointer;font-size:11px;color:#e2e2f0;transition:background .15s}.pdf-control-bar:hover button{background:#22223a;border-color:#3a3a52}.pdf-control-bar button:hover:not(:disabled){background:#2e2e4a}.pdf-control-bar button:disabled{opacity:.3;cursor:default}.pdf-close-btn{color:#f5a5a5!important;border-color:#5c2a2a99!important}.pdf-close-btn:hover:not(:disabled){background:#5c2a2a!important}.pdf-page-info{font-size:11px;color:#b0b0cc;min-width:48px;text-align:center}.pdf-control-separator{width:1px;height:14px;background:#3a3a5299;margin:0 1px}.classroom{display:flex;height:100dvh;overflow:hidden;background:#12121e;position:fixed;top:0;left:0;width:100%}.classroom-canvas-area{flex:1;background-color:#16162a;position:relative;margin:8px;border-radius:12px;overflow:hidden;min-width:0;min-height:0}.classroom-sidebar{width:380px;display:flex;flex-direction:column;background-color:#1a1a2e;overflow:hidden;flex-shrink:0;padding:8px;gap:8px}.sidebar-toolbar{background:#22223a;border-radius:12px;flex-shrink:0}.sidebar-section{background:#22223a;border-radius:12px;overflow:hidden}.sidebar-section-title{font-size:14px;font-weight:600;color:#e2e2f0;padding:12px 14px 8px}.classroom-error{padding:8px 12px;background-color:#5c2a2a;color:#f5a5a5;border-radius:8px;font-size:13px;text-align:center}.hidden-audio-players{position:absolute;width:0;height:0;overflow:hidden}.classroom-name-overlay{display:flex;align-items:center;justify-content:center;height:100dvh;background-color:#12121e;position:fixed;top:0;left:0;width:100%}.classroom-name-lang{position:absolute;top:12px;right:12px}.classroom-name-form{background-color:#22223a;padding:40px 32px;border-radius:16px;width:100%;max-width:360px;text-align:center}.classroom-name-title{color:#e2e2f0;font-size:20px;font-weight:600;margin-bottom:24px}.classroom-name-error{color:#f5a5a5;font-size:13px;margin-bottom:16px;line-height:1.4}.classroom-name-input{width:100%;padding:12px 16px;border:1px solid #3a3a52;border-radius:10px;background-color:#1a1a2e;color:#e2e2f0;font-size:15px;outline:none;margin-bottom:16px}.classroom-name-input:focus{border-color:#6c5ce7}.classroom-name-input::placeholder{color:#6b6b85}.classroom-name-btn{width:100%;padding:12px;background-color:#6c5ce7;color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600}.classroom-name-btn:hover{background-color:#5a4bd6}@media(orientation:portrait){.classroom{flex-direction:column}.classroom-canvas-area{flex:none;width:calc(100% - 8px);aspect-ratio:4 / 3;max-height:45dvh;margin:4px}.classroom-sidebar{width:100%;flex:1;min-height:0;padding:4px 8px;gap:4px}.classroom-sidebar .sidebar-section:first-of-type{display:flex;flex-direction:column;min-height:0}.participant-list{flex:1;min-height:0}}.guide-page{display:flex;flex-direction:column;min-height:100vh}.guide-main{flex:1;max-width:800px;margin:0 auto;padding:48px 24px;width:100%}.guide-page-title{font-size:32px;font-weight:700;color:#1e293b;text-align:center;margin-bottom:12px}.guide-page-subtitle{font-size:16px;color:#64748b;text-align:center;margin-bottom:48px}.guide-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.guide-card{display:block;padding:32px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;text-decoration:none;transition:box-shadow .15s,transform .15s}.guide-card:hover{box-shadow:0 4px 16px #00000014;transform:translateY(-2px)}.guide-card-icon{font-size:36px;display:block;margin-bottom:16px}.guide-card-title{font-size:20px;font-weight:600;color:#1e293b;margin-bottom:8px}.guide-card-desc{font-size:14px;color:#64748b;line-height:1.6}.guide-detail{display:flex;flex-direction:column;min-height:100vh}.guide-detail-main{flex:1;max-width:800px;margin:0 auto;padding:48px 24px;width:100%}.guide-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:#64748b;text-decoration:none;margin-bottom:32px}.guide-back:hover{color:#4f46e5}.guide-detail-title{font-size:28px;font-weight:700;color:#1e293b;margin-bottom:8px}.guide-detail-subtitle{font-size:16px;color:#64748b;margin-bottom:40px}.guide-step{margin-bottom:48px}.guide-step-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.guide-step-number{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:#4f46e5;color:#fff;border-radius:50%;font-size:16px;font-weight:700;flex-shrink:0}.guide-step-title{font-size:18px;font-weight:600;color:#1e293b}.guide-step-desc{font-size:15px;color:#475569;line-height:1.7;margin-bottom:16px}.guide-step-img{width:100%;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 2px 8px #0000000f}.guide-tip{background:#f0f9ff;border-left:4px solid #4f46e5;padding:16px 20px;border-radius:0 8px 8px 0;margin-top:16px}.guide-tip-label{font-size:13px;font-weight:600;color:#4f46e5;margin-bottom:4px}.guide-tip-text{font-size:14px;color:#475569;line-height:1.6}@media(max-width:640px){.guide-page-title{font-size:24px}.guide-detail-title{font-size:22px}}.recording-list{display:flex;flex-direction:column;max-height:300px;overflow-y:auto}.recording-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid #3a3a52;border-radius:6px;transition:background-color .15s}.recording-item:hover{background-color:#2a2a45}.recording-info{display:flex;flex-direction:column;gap:2px}.recording-name{font-size:13px;color:#e2e2f0}.recording-duration{font-size:12px;color:#9898b0}.recording-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.recording-download-btn{background:none;border:none;color:#6c5ce7;font-size:13px;cursor:pointer;padding:4px 8px;border-radius:4px;transition:background-color .15s;flex-shrink:0}.recording-download-btn:hover{background-color:#6c5ce71a}.recording-delete-btn{background:none;border:none;color:#6b6b85;cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;transition:color .15s,background-color .15s}.recording-delete-btn:hover{color:#e74c3c;background-color:#e74c3c1a}.recording-empty{padding:24px 14px;font-size:13px;color:#6b6b85;text-align:center}.record{display:flex;height:100dvh;overflow:hidden;background:#12121e;position:fixed;top:0;left:0;width:100%}.record-canvas-area{flex:1;background-color:#16162a;position:relative;margin:8px;border-radius:12px;overflow:hidden;min-width:0;min-height:0}.record-sidebar{width:380px;display:flex;flex-direction:column;background-color:#1a1a2e;overflow:hidden;flex-shrink:0;padding:8px;gap:8px}.record-controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:#22223a;border-radius:12px}.record-btn{width:56px;height:56px;border-radius:50%;border:3px solid #e74c3c;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.record-btn:hover{border-color:#ff6b6b}.record-btn-dot{width:24px;height:24px;border-radius:50%;background:#e74c3c}.record-btn.recording{border-color:#e74c3c;animation:record-pulse 1.5s ease-in-out infinite}.record-btn-stop{width:20px;height:20px;border-radius:3px;background:#e74c3c}.record-btn.processing{border-color:#9898b0;cursor:not-allowed}.record-btn-spinner{width:20px;height:20px;border:2px solid #9898b0;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}.record-elapsed{font-size:20px;font-weight:600;color:#e74c3c;font-variant-numeric:tabular-nums}.record-processing{font-size:13px;color:#9898b0}@keyframes record-pulse{0%,to{box-shadow:0 0 #e74c3c66}50%{box-shadow:0 0 0 12px #e74c3c00}}@keyframes spin{to{transform:rotate(360deg)}}.record-tabs{display:flex;padding:0 4px}.record-tab{flex:1;padding:10px;border:none;background-color:transparent;color:#8b8ba3;font-size:13px;font-weight:500;transition:color .2s;cursor:pointer}.record-tab.active{color:#e2e2f0;border-bottom:2px solid #6c5ce7}.record-tab:hover{color:#c4c4dc}.record-materials{min-height:60px;transition:outline .15s;overflow-y:auto;flex:1}.record .sidebar-toolbar{background:#22223a;border-radius:12px;flex-shrink:0}.record .sidebar-section{background:#22223a;border-radius:12px;overflow:hidden}.record .file-list{list-style:none;padding:0;margin:0}.record .file-item{padding:4px 10px;border-bottom:1px solid #2a2a3e;display:flex;align-items:center;gap:4px}.record .file-delete-btn{background:none;border:none;color:#6b6b85;cursor:pointer;padding:2px;border-radius:4px;display:flex;align-items:center;flex-shrink:0;transition:color .15s}.record .file-delete-btn:hover{color:#e74c3c}.record .file-link{font-size:13px;color:#a78bfa;background:none;border:none;padding:0;cursor:pointer;text-align:left;width:100%;display:flex;align-items:center;gap:6px}.record .file-link:hover{color:#c4b5fd}.record .file-icon{font-size:12px;color:#6b6b85;flex-shrink:0}.record .file-drag-over{outline:2px dashed #6c5ce7;outline-offset:-2px;border-radius:8px}.record .file-empty{padding:24px 14px;font-size:13px;color:#6b6b85;text-align:center}@media(orientation:portrait){.record{flex-direction:column;overflow:hidden}.record-canvas-area{flex:none;width:calc(100% - 8px);aspect-ratio:4 / 3;max-height:40dvh;margin:4px}.record-sidebar{width:100%;flex:1;min-height:0;padding:4px 8px;gap:4px;overflow:hidden}}.analytics-page{max-width:960px;margin:0 auto;padding:32px 16px;min-height:100dvh;background:#0f141a;color:#dee3eb;overflow-y:auto}body:has(.analytics-page){background-color:#0f141a}.analytics-title{font-size:28px;font-weight:700;margin:0 0 4px;color:var(--primary, #59de9b)}.analytics-subtitle{font-size:14px;color:var(--text-muted, #869489);margin:0 0 24px}.analytics-loading{display:flex;align-items:center;justify-content:center;height:100dvh;font-size:16px;color:var(--text-muted, #869489)}.analytics-error{padding:12px 16px;background:var(--error-container-20, rgba(147, 0, 10, .2));color:var(--error, #ffb4ab);border-radius:8px;font-size:14px}.analytics-empty{padding:40px 16px;text-align:center;color:var(--text-muted, #869489);font-size:14px}.analytics-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}.stat-card{background:var(--surface-container-high, #252a31);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:4px}.stat-label{font-size:12px;color:var(--text-muted, #869489);font-weight:500}.stat-value{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}.analytics-section{background:var(--surface-container, #1b2026);border-radius:10px;padding:16px;margin-bottom:16px}.section-title{font-size:15px;font-weight:600;margin:0 0 12px}.url-table-wrapper{overflow-x:auto}.url-table{width:100%;border-collapse:collapse;font-size:13px}.url-table thead th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--surface-container-high, #252a31);color:var(--text-muted, #869489);font-weight:500;font-size:12px}.url-table tbody td{padding:6px 10px;border-bottom:1px solid var(--surface-container-low, #171c22)}.url-cell{font-family:monospace;color:var(--secondary, #e1c299)}.count-cell{text-align:right;font-variant-numeric:tabular-nums}.analytics-timestamp{font-size:12px;color:var(--text-muted, #869489);margin-top:16px}@media(max-width:640px){.analytics-summary{grid-template-columns:repeat(2,1fr)}.stat-value{font-size:18px}}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;color:#1e293b;background-color:#fff;min-height:100dvh;overscroll-behavior:none;-webkit-text-size-adjust:100%;touch-action:manipulation}#root{min-height:100dvh}a{color:#4f46e5;text-decoration:none}a:hover{color:#4338ca}button{cursor:pointer;font-family:inherit}input{font-family:inherit;font-size:inherit}