:root{--bg-page:#1a1a2e;--bg-overlay:rgba(0,0,0,0.85);--bg-dialog:#16213e;--bg-input:#0f3460;--bg-kbd:#0f3460;--border-subtle:#1a1a4e;--text-primary:#ffffff;--text-body:#e0e0e0;--text-muted:#7889a0;--text-faint:#4a5a70;--accent:#e8d44d;--accent-text:#1a1a2e;--danger:#e74c3c;--success:#2ecc71;--btn-secondary-border:#4a5a70;--btn-secondary-text:#7889a0;--shadow-dialog:rgba(0,0,0,0.5);--troubleshoot-bg:rgba(0,0,0,0.88);--troubleshoot-intro:#c0c8d4}:root[data-theme="light"]{--bg-page:#dce8ef;--bg-overlay:rgba(180,195,210,0.88);--bg-dialog:#f0f4f8;--bg-input:#ffffff;--bg-kbd:#e2e8f0;--border-subtle:#c5d0db;--text-primary:#1a2a3a;--text-body:#2d3e50;--text-muted:#5a6a7a;--text-faint:#8a95a3;--accent:#2a5a9e;--accent-text:#ffffff;--danger:#c0392b;--success:#1e8a50;--btn-secondary-border:#b0bcc8;--btn-secondary-text:#5a6a7a;--shadow-dialog:rgba(0,0,0,0.12);--troubleshoot-bg:rgba(220,232,239,0.95);--troubleshoot-intro:#3d4e5f}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;width:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,Roboto,sans-serif;background:var(--bg-page);color:var(--text-body)}.bg-logo{position:fixed;inset:0;z-index:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;pointer-events:none}.bg-logo-img{width:240px;opacity:0.3}.bg-logo-light{display:none}.bg-logo-dark{display:block}:root[data-theme="light"] .bg-logo-light{display:block}:root[data-theme="light"] .bg-logo-dark{display:none}.bg-logo-dots{display:flex;gap:8px}.bg-logo-dots .dot{width:10px;height:10px;border-radius:50%;background:var(--text-primary);opacity:0.15;animation:dotPulse 1.4s ease-in-out infinite}.bg-logo-dots .dot:nth-child(2){animation-delay:0.2s}.bg-logo-dots .dot:nth-child(3){animation-delay:0.4s}@keyframes dotPulse{0%,80%,100%{opacity:0.15;transform:scale(0.8)}40%{opacity:0.4;transform:scale(1)}}#ios-frame{position:fixed;top:0;left:0;width:100%;height:100%;border:none;z-index:1;display:none}#ios-frame.active{display:block}.banner{position:fixed;top:0;left:0;right:0;z-index:100;color:#fff;padding:14px 20px;text-align:center;font-size:16px;font-weight:500;letter-spacing:0.3px;transition:transform 0.4s ease,opacity 0.4s ease}#connection-status{background:rgba(218,165,32,0.92);cursor:pointer}#connection-status.banner-success{background:rgba(39,174,96,0.92);cursor:default}#connection-status.banner-error{background:rgba(231,76,60,0.92);cursor:pointer}.banner-slide-out{transform:translateY(-100%);opacity:0}.countdown-overlay{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;pointer-events:none}.countdown-ring-wrap{position:relative;width:120px;height:120px;cursor:pointer;pointer-events:auto}.countdown-ring{width:100%;height:100%;transform:rotate(-90deg)}.countdown-ring-bg{stroke:var(--border-subtle);opacity:0.4}.countdown-ring-fg{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset 1s linear}.countdown-number{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;color:var(--text-primary);font-variant-numeric:tabular-nums}.countdown-retry-label{position:absolute;inset:0;display:none;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#ffffff;text-align:center;line-height:1.2;white-space:nowrap;pointer-events:none}:root[data-theme="light"] .countdown-retry-label{color:#1a2a3a}.countdown-ring-wrap:hover .countdown-number{display:none}.countdown-ring-wrap:hover .countdown-retry-label{display:flex}.countdown-label{color:var(--text-muted);font-size:16px;font-weight:500}.countdown-hint{color:var(--text-faint);font-size:13px;text-decoration:none;pointer-events:auto;cursor:pointer}#troubleshoot-panel{position:fixed;inset:0;z-index:500;background:var(--troubleshoot-bg);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:12px}.troubleshoot-dialog{background:var(--bg-dialog);border-radius:16px;padding:24px 28px;max-width:600px;width:100%;max-height:calc(100vh - 24px);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;box-shadow:0 20px 60px var(--shadow-dialog);scrollbar-width:thin;scrollbar-color:var(--text-faint) transparent}.troubleshoot-dialog::-webkit-scrollbar{width:6px}.troubleshoot-dialog::-webkit-scrollbar-track{background:transparent;margin:16px 0}.troubleshoot-dialog::-webkit-scrollbar-thumb{background:var(--text-faint);border-radius:3px}.troubleshoot-dialog::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.troubleshoot-dialog h2{color:var(--danger);font-size:20px;margin-bottom:12px}.troubleshoot-intro{color:var(--troubleshoot-intro);font-size:14px;line-height:1.5;margin-bottom:12px}.troubleshoot-steps{list-style:decimal;padding-left:22px;margin-bottom:12px}.troubleshoot-steps li{color:var(--text-body);font-size:14px;line-height:1.5;margin-bottom:6px}.troubleshoot-steps li strong{color:var(--accent)}.troubleshoot-steps li em{color:var(--accent);font-style:normal;font-weight:600}.troubleshoot-support{color:var(--text-muted);font-size:13px;margin-bottom:16px;font-style:italic}.troubleshoot-actions{display:flex;gap:10px;flex-wrap:wrap}.troubleshoot-actions .btn{padding:10px 18px;font-size:14px;min-height:40px}.troubleshoot-config-link{font-size:11px;color:var(--text-muted);margin-top:12px}.troubleshoot-config-link a{color:var(--accent);text-decoration:underline;cursor:pointer}#config-overlay{position:fixed;inset:0;z-index:1000;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:12px}.config-dialog{background:var(--bg-dialog);border-radius:16px;padding:24px 28px;max-width:560px;width:90%;max-height:calc(100vh - 24px);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;box-shadow:0 20px 60px var(--shadow-dialog);transition:max-width 0.35s ease,padding 0.35s ease;scrollbar-width:thin;scrollbar-color:var(--text-faint) transparent}.config-dialog::-webkit-scrollbar{width:6px}.config-dialog::-webkit-scrollbar-track{background:transparent;margin:16px 0}.config-dialog::-webkit-scrollbar-thumb{background:var(--text-faint);border-radius:3px}.config-dialog::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.config-header{text-align:center;margin-bottom:16px}.config-logo{width:52px;height:52px;margin-bottom:8px}.config-header h1{color:var(--text-primary);font-size:22px;font-weight:700;margin-bottom:2px}.config-subtitle{color:var(--text-muted);font-size:13px;font-weight:400}.theme-icon-sun{display:none}.theme-icon-moon{display:block}:root[data-theme="light"] .theme-icon-sun{display:block}:root[data-theme="light"] .theme-icon-moon{display:none}.lookup-row{display:flex;gap:10px}.lookup-row input{flex:1;padding:12px;font-size:16px;text-transform:uppercase;background:var(--bg-input);border:2px solid var(--border-subtle);border-radius:10px;color:var(--text-body);outline:none;transition:border-color 0.2s}.lookup-row input:focus{border-color:var(--accent)}.lookup-row input::placeholder{color:var(--text-faint);text-transform:none}.lookup-row .btn{white-space:nowrap}.manual-toggle{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin:12px 0 0;padding:6px 0;background:none;border:none;cursor:pointer;color:var(--text-faint);font-size:13px;text-transform:uppercase;letter-spacing:1px;transition:color 0.2s;-webkit-tap-highlight-color:transparent}.manual-toggle:hover{color:#ffffff}:root[data-theme="light"] .manual-toggle:hover{color:var(--text-primary)}.manual-toggle-arrow{width:14px;height:14px;transition:transform 0.25s ease}.manual-toggle.expanded .manual-toggle-arrow{transform:rotate(180deg)}.manual-section{margin-top:12px}.manual-section.hidden{display:none}.config-body label{display:block;color:var(--text-muted);font-size:13px;text-transform:uppercase;letter-spacing:1.2px;margin-bottom:8px}.config-body input[type="url"]{width:100%;padding:12px;font-size:16px;background:var(--bg-input);border:2px solid var(--border-subtle);border-radius:10px;color:var(--text-body);outline:none;transition:border-color 0.2s}.config-body input[type="url"]:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(42,90,158,0.15)}.config-body input[type="url"]::placeholder{color:var(--text-faint)}.validation-msg{min-height:20px;font-size:13px;margin:6px 0 0;line-height:20px}.validation-msg.error{color:var(--danger)}.validation-msg.success{color:var(--success)}.config-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.config-actions .btn{padding:10px 18px;font-size:14px;min-height:40px}.btn{padding:14px 24px;font-size:16px;font-weight:600;border:none;border-radius:10px;cursor:pointer;touch-action:manipulation;min-height:48px;transition:opacity 0.15s,transform 0.1s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(0.97)}.btn-primary{flex:1 1 auto;background:var(--accent);color:var(--accent-text)}.btn-primary:hover{opacity:0.9}.btn-danger{background:transparent;border:2px solid var(--danger);color:var(--danger)}.btn-danger:hover{background:rgba(231,76,60,0.1)}.btn-secondary{background:transparent;border:2px solid var(--btn-secondary-border);color:var(--btn-secondary-text)}.btn-secondary:hover{background:rgba(120,137,160,0.1)}.config-info{margin-top:16px;padding-top:12px;border-top:1px solid var(--border-subtle)}.config-info p{font-size:14px;color:var(--text-muted);margin-bottom:8px}#current-url-display{color:var(--accent);font-family:'SF Mono','Cascadia Code','Consolas',monospace;word-break:break-all}.config-hint{font-size:13px;opacity:0.7}kbd{display:inline-block;background:var(--bg-kbd);padding:2px 7px;border-radius:4px;font-size:12px;font-family:inherit;border:1px solid var(--border-subtle)}.config-footer{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px;padding-top:8px;border-top:1px solid var(--border-subtle)}.config-footer .diag-toggle,.config-footer .ext-status{display:none}#version-display{font-size:12px;color:var(--text-faint);margin-left:auto;cursor:default;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.config-footer.dev-mode .diag-toggle{display:inline-flex;margin-left:auto}.config-footer.dev-mode .ext-status{display:inline-block;margin-left:auto}.config-footer.dev-mode .portal-status{display:inline-block}.config-footer.dev-mode #version-display{margin-left:4px}.portal-status{font-size:11px;text-align:center;display:none}.portal-ok{color:#27ae60}.portal-off{color:var(--danger)}.portal-pending{color:#daa520}.config-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 40px;gap:20px}.config-loading .spinner{width:48px;height:48px;animation:spin 1s linear infinite}.config-loading .spinner circle{stroke:var(--accent);stroke-dasharray:90,150;stroke-dashoffset:0;stroke-linecap:round;animation:spinner-dash 1.4s ease-in-out infinite}.config-loading .loading-text{color:var(--text-muted);font-size:16px;font-weight:500;letter-spacing:0.5px}@keyframes spin{100%{transform:rotate(360deg)}}@keyframes spinner-dash{0%{stroke-dasharray:1,150;stroke-dashoffset:0}50%{stroke-dasharray:90,150;stroke-dashoffset:-35}100%{stroke-dasharray:90,150;stroke-dashoffset:-124}}.config-dialog.loading-state{max-width:280px;padding:0}.config-dialog.loading-state .config-header,.config-dialog.loading-state .config-body,.config-dialog.loading-state .diag-results,.config-dialog.loading-state .config-footer{display:none}@media (max-width:480px){#config-overlay{padding:16px}.config-dialog{padding:24px 20px;width:100%;border-radius:12px}.config-header{margin-bottom:20px}.config-logo{width:56px;height:56px;margin-bottom:10px}.config-header h1{font-size:20px}.lookup-row{flex-direction:column}.lookup-row .btn{width:100%}.lookup-row input{font-size:16px;padding:14px}.config-body input[type="url"]{font-size:16px;padding:14px}.config-actions{flex-direction:column}.config-actions .btn{width:100%;text-align:center}#troubleshoot-panel{padding:16px}.troubleshoot-dialog{padding:24px 16px;border-radius:12px}.troubleshoot-dialog h2{font-size:18px}.troubleshoot-steps{padding-left:20px}.troubleshoot-steps li{font-size:14px}.troubleshoot-actions{flex-direction:column}.troubleshoot-actions .btn{width:100%;text-align:center}.banner{font-size:14px;padding:10px 16px}.countdown-ring-wrap{width:100px;height:100px}.countdown-number{font-size:28px}.countdown-label{font-size:14px}}@media (max-height:500px){#config-overlay,#troubleshoot-panel{padding:12px}.config-dialog{padding:20px 16px;max-height:calc(100vh - 24px)}.config-header{margin-bottom:12px}.config-logo{width:40px;height:40px;margin-bottom:8px}.config-header h1{font-size:18px}.troubleshoot-dialog{padding:20px 16px;max-height:calc(100vh - 24px)}}.page-theme-toggle{position:fixed;bottom:20px;left:20px;z-index:1200;background:none;border:2px solid var(--text-muted);border-radius:50%;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;pointer-events:auto;transition:border-color 0.2s,background 0.2s;-webkit-tap-highlight-color:transparent}.page-theme-toggle:hover{border-color:var(--text-muted);background:var(--bg-input)}.page-theme-toggle:active{transform:scale(0.93)}.page-theme-toggle svg{width:20px;height:20px;transition:opacity 0.2s}.diag-toggle{background:none;border:1px solid var(--border-subtle);color:var(--text-muted);font-size:0.65rem;padding:2px 6px;border-radius:4px;cursor:pointer;opacity:0.5;transition:opacity 0.2s}.diag-toggle:hover{opacity:1}.diag-results{margin:0 24px 12px;padding:12px;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:8px;font-family:monospace;font-size:0.75rem;line-height:1.6;color:var(--text-primary);max-height:200px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}.diag-pass{color:#22c55e}.diag-fail{color:#ef4444}.diag-info{color:var(--text-muted)}.ext-status{font-size:11px;text-align:center}.ext-ok{color:var(--success)}.ext-missing{color:var(--danger)}#info-panel{position:fixed;inset:0;z-index:1100;background:var(--troubleshoot-bg);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:12px}.info-dialog{background:var(--bg-dialog);border-radius:16px;padding:24px 28px;max-width:560px;width:100%;max-height:calc(100vh - 24px);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;box-shadow:0 20px 60px var(--shadow-dialog);scrollbar-width:thin;scrollbar-color:var(--text-faint) transparent}.info-dialog::-webkit-scrollbar{width:6px}.info-dialog::-webkit-scrollbar-track{background:transparent;margin:16px 0}.info-dialog::-webkit-scrollbar-thumb{background:var(--text-faint);border-radius:3px}.info-dialog::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.info-dialog h2{color:var(--text-primary);font-size:20px;margin-bottom:16px}.info-body{color:var(--troubleshoot-intro);font-size:14px;line-height:1.6;margin-bottom:14px}.info-body strong{color:var(--text-primary)}.info-body em{color:var(--accent);font-style:normal;font-weight:600}.info-inline-link{color:var(--accent);text-decoration:none;transition:text-decoration 0.2s}.info-inline-link:hover{text-decoration:underline}.info-inline-link strong{color:var(--accent)}.info-training{margin-top:18px;padding-top:14px;border-top:1px solid var(--border-subtle)}.info-tutorials-btn{display:inline-block;text-decoration:none;text-align:center;font-size:15px;padding:12px 24px;margin-top:4px}.info-actions{margin-top:18px;display:flex;gap:10px}.info-actions .btn{padding:10px 18px;font-size:14px;min-height:40px}.info-logo-img{float:right;width:110px;margin:-8px 0 0 16px;pointer-events:none}.info-logo-light{display:none}.info-logo-dark{display:block}:root[data-theme="light"] .info-logo-light{display:block}:root[data-theme="light"] .info-logo-dark{display:none}.info-toggle{background:none;border:2px solid var(--text-muted);border-radius:50%;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;font-size:18px;font-weight:700;color:var(--text-muted);transition:border-color 0.2s,background 0.2s,color 0.2s;-webkit-tap-highlight-color:transparent}.info-toggle:hover{border-color:var(--text-muted);background:var(--bg-input);color:var(--text-primary)}.info-toggle:active{transform:scale(0.93)}@media (max-width:480px){#info-panel{padding:16px}.info-dialog{padding:24px 16px;border-radius:12px}.info-dialog h2{font-size:18px}.info-actions{flex-direction:column}.info-actions .btn{width:100%;text-align:center}.info-logo-img{width:70px;margin:-4px 0 0 12px}}.copyright-link{color:var(--text-muted);text-decoration:none;transition:color 0.2s}.copyright-link:hover{color:var(--accent);text-decoration:underline}.page-copyright{position:fixed;bottom:16px;left:0;right:0;z-index:1200;text-align:center;font-size:11px;color:var(--text-faint);pointer-events:none}.page-copyright .copyright-link{pointer-events:auto}.hidden{display:none !important}