.feature-curtain.svelte-deg72u{position:fixed;inset:0;z-index:9990;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9 40%,#e8edf5);opacity:0;transition:opacity .24s ease;pointer-events:all}.feature-curtain.svelte-deg72u:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 15% 80%,rgba(59,130,246,.04) 0%,transparent 50%),radial-gradient(ellipse at 85% 20%,rgba(139,92,246,.03) 0%,transparent 50%)}.feature-curtain.visible.svelte-deg72u{opacity:1}.curtain-content.svelte-deg72u{position:relative;z-index:1;display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:12px;background:#ffffffc7;border:1px solid rgba(226,232,240,.9);box-shadow:0 16px 40px #0f172a14;color:#475569;font-size:14px;font-weight:700;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.curtain-content.svelte-deg72u p:where(.svelte-deg72u){margin:0}.curtain-spinner.svelte-deg72u{width:18px;height:18px;border:2.5px solid #dbeafe;border-top-color:#2563eb;border-radius:50%;animation:svelte-deg72u-spin .7s linear infinite}.feature-status.svelte-deg72u{position:fixed;right:20px;bottom:80px;z-index:10000;display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:10px;background:#0f172ae6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08);color:#e2e8f0;font-size:13px;font-weight:600;box-shadow:0 12px 32px #00000040;animation:svelte-deg72u-status-in .3s ease-out}@keyframes svelte-deg72u-status-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.status-spinner.svelte-deg72u{width:14px;height:14px;border:2px solid rgba(255,255,255,.15);border-top-color:#60a5fa;border-radius:50%;animation:svelte-deg72u-spin .7s linear infinite}@keyframes svelte-deg72u-spin{to{transform:rotate(360deg)}}.presenter-wrap.svelte-fxxlqx{position:fixed;left:0;right:0;bottom:0;z-index:10010;animation:svelte-fxxlqx-bar-in .35s ease-out}@keyframes svelte-fxxlqx-bar-in{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.progress-track.svelte-fxxlqx{height:3px;background:#ffffff1a;border-radius:0;overflow:hidden}.progress-fill.svelte-fxxlqx{height:100%;background:linear-gradient(90deg,#3b82f6,#6366f1);border-radius:3px;transition:width .4s ease}.presenter-bar.svelte-fxxlqx{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;background:#0f172aeb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-top:none;border-radius:0;box-shadow:0 -4px 20px #0000004d}.demo-pill.svelte-fxxlqx{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:#3b82f626;border:1px solid rgba(59,130,246,.25);color:#60a5fa;font-size:10px;font-weight:800;letter-spacing:.1em;white-space:nowrap}.pulse-dot.svelte-fxxlqx{width:6px;height:6px;border-radius:50%;background:#3b82f6;animation:svelte-fxxlqx-pulse 2s ease-in-out infinite}@keyframes svelte-fxxlqx-pulse{0%,to{opacity:1;box-shadow:0 0 #3b82f666}50%{opacity:.7;box-shadow:0 0 0 4px #3b82f600}}.step-meta.svelte-fxxlqx{display:flex;flex-direction:column;min-width:0}.step-meta.svelte-fxxlqx strong:where(.svelte-fxxlqx){font-size:13px;font-weight:700;color:#f1f5f9;white-space:nowrap}.step-meta.svelte-fxxlqx span:where(.svelte-fxxlqx){font-size:11px;color:#64748b;font-weight:600}.section-dots.svelte-fxxlqx{display:flex;align-items:center;gap:4px}.dot.svelte-fxxlqx{position:relative;width:10px;height:10px;border-radius:50%;border:2px solid #475569;background:transparent;padding:0;cursor:pointer;transition:all .2s}.dot.svelte-fxxlqx:hover{border-color:#94a3b8;transform:scale(1.3)}.dot.svelte-fxxlqx:hover .dot-label:where(.svelte-fxxlqx){opacity:1;transform:translate(-50%) translateY(0);pointer-events:auto}.dot.completed.svelte-fxxlqx{border-color:#3b82f6;background:#3b82f6}.dot.active.svelte-fxxlqx{border-color:#60a5fa;background:#60a5fa;box-shadow:0 0 0 3px #60a5fa40;transform:scale(1.2)}.dot-label.svelte-fxxlqx{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(4px);white-space:nowrap;padding:4px 8px;border-radius:6px;background:#1e293b;color:#e2e8f0;font-size:11px;font-weight:600;pointer-events:none;opacity:0;transition:all .15s}.controls.svelte-fxxlqx{display:flex;align-items:center;gap:5px}.divider.svelte-fxxlqx{width:1px;height:20px;background:#ffffff1a;margin:0 3px}.ctrl-btn.svelte-fxxlqx{display:inline-flex;align-items:center;gap:5px;height:32px;padding:0 10px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#ffffff0f;color:#cbd5e1;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s;white-space:nowrap}.ctrl-btn.svelte-fxxlqx:hover:not(:disabled){background:#ffffff1f;color:#f1f5f9;border-color:#ffffff2e}.ctrl-btn.svelte-fxxlqx:disabled{opacity:.3;cursor:not-allowed}.ctrl-btn.active.svelte-fxxlqx{background:#ffffff1f;border-color:#fff3;color:#f1f5f9}.ctrl-btn.primary.svelte-fxxlqx{background:linear-gradient(135deg,#3b82f6,#2563eb);border-color:#3b82f680;color:#fff;box-shadow:0 2px 8px #2563eb4d}.ctrl-btn.primary.svelte-fxxlqx:hover{background:linear-gradient(135deg,#2563eb,#1d4ed8);box-shadow:0 4px 12px #2563eb66}.ctrl-btn.teach.svelte-fxxlqx{background:linear-gradient(135deg,#7c3aed,#6d28d9);border-color:#7c3aed80;color:#fff;box-shadow:0 2px 8px #7c3aed4d}.ctrl-btn.teach.svelte-fxxlqx:hover:not(:disabled){background:linear-gradient(135deg,#6d28d9,#5b21b6);box-shadow:0 4px 12px #7c3aed66}.ctrl-btn.danger.svelte-fxxlqx{border-color:#ef444440;color:#f87171}.ctrl-btn.danger.svelte-fxxlqx:hover{background:#ef44441f;border-color:#ef444459}.section-menu.svelte-fxxlqx{position:absolute;right:0;bottom:calc(100% + 10px);width:240px;padding:6px;border-radius:12px;background:#1e293b;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px #00000080;z-index:20}.menu-header.svelte-fxxlqx{padding:6px 10px 8px;margin:0;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:#64748b}.menu-item.svelte-fxxlqx{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border:0;border-radius:8px;background:transparent;color:#cbd5e1;font-size:13px;font-weight:600;cursor:pointer;transition:all .12s}.menu-item.svelte-fxxlqx:hover{background:#ffffff14;color:#f1f5f9}.menu-item.current.svelte-fxxlqx{background:#3b82f626;color:#60a5fa}.menu-num.svelte-fxxlqx{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:#ffffff14;color:#94a3b8;font-size:11px;font-weight:800;flex-shrink:0}.current-badge.svelte-fxxlqx{margin-left:auto;padding:2px 6px;border-radius:4px;background:#3b82f633;color:#60a5fa;font-size:10px;font-weight:700}.btn-label.svelte-fxxlqx{display:inline}@media(max-width:760px){.presenter-bar.svelte-fxxlqx{flex-wrap:wrap;justify-content:center}.section-dots.svelte-fxxlqx,.btn-label.svelte-fxxlqx{display:none}.controls.svelte-fxxlqx{flex-wrap:wrap;justify-content:center}}.slide-shell.svelte-1l0jivl{--slide-max-width: min(1560px, calc(100vw - clamp(32px, 5vw, 80px)) );--slide-stage-height: min(880px, calc(100vh - var(--demo-presenter-bar-height, 72px) - clamp(72px, 9vh, 108px)));position:fixed;inset:0;z-index:9990;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:48px clamp(18px,2.5vw,40px) calc(var(--demo-presenter-bar-height, 72px) + 24px)}.slide-bg.svelte-1l0jivl{position:fixed;inset:0;z-index:-1;background:#edf2f7}.slide-bg.svelte-1l0jivl:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(15,23,42,.035) 1px,transparent 1px);background-size:3px 3px;opacity:.24}.slide-stage.svelte-1l0jivl{position:relative;box-sizing:border-box;display:flex;align-items:center;justify-content:center;width:var(--slide-max-width);height:var(--slide-stage-height);min-height:min(600px,var(--slide-stage-height));padding:clamp(32px,4vh,46px) clamp(32px,3.5vw,56px);border:1px solid rgba(148,163,184,.2);border-radius:14px;background:#fbfdff;box-shadow:0 22px 58px #0f172a1a,0 1px #fffc inset;overflow:hidden}.slide-stage.svelte-1l0jivl:after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(15,23,42,.025) 1px,transparent 1px);background-size:3px 3px;opacity:.34}.slide-chrome.svelte-1l0jivl{position:fixed;top:22px;left:50%;z-index:1;display:flex;align-items:center;justify-content:space-between;width:var(--slide-max-width);transform:translate(-50%);color:#64748b;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.11em}.chrome-left.svelte-1l0jivl,.chrome-right.svelte-1l0jivl{display:flex;align-items:center;gap:12px}.chrome-mark.svelte-1l0jivl{display:inline-flex;align-items:center;gap:8px;color:#0f172a;font-family:Georgia,Times New Roman,serif;font-size:17px;font-weight:700;letter-spacing:-.01em;text-transform:none}.mark-dot.svelte-1l0jivl{width:7px;height:7px;border-radius:999px;background:#2563eb}.chrome-sep.svelte-1l0jivl{color:#cbd5e1}.chrome-number.svelte-1l0jivl{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;color:#fff;font-size:11px;font-weight:900;letter-spacing:0}.tone-blue.svelte-1l0jivl{color:#1d4ed8}.tone-blue.svelte-1l0jivl .chrome-number:where(.svelte-1l0jivl),.tone-blue.svelte-1l0jivl .mark-dot:where(.svelte-1l0jivl){background:#2563eb}.tone-rose.svelte-1l0jivl{color:#be123c}.tone-rose.svelte-1l0jivl .chrome-number:where(.svelte-1l0jivl),.tone-rose.svelte-1l0jivl .mark-dot:where(.svelte-1l0jivl){background:#e11d48}.tone-emerald.svelte-1l0jivl{color:#047857}.tone-emerald.svelte-1l0jivl .chrome-number:where(.svelte-1l0jivl),.tone-emerald.svelte-1l0jivl .mark-dot:where(.svelte-1l0jivl){background:#059669}.slide-content.svelte-1l0jivl{position:relative;z-index:1;width:100%;height:100%;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(10px);transition:opacity .42s ease,transform .42s ease}.slide-content.visible.svelte-1l0jivl{opacity:1;transform:translateY(0)}.slide-content.svelte-1l0jivl .slide{min-height:100%!important}.slide-loading.svelte-1l0jivl{align-self:center;display:flex;align-items:center;gap:10px;color:#64748b;font-size:14px;font-weight:600}.loading-spinner.svelte-1l0jivl{width:18px;height:18px;border:2.5px solid #e2e8f0;border-top-color:#3b82f6;border-radius:50%;animation:svelte-1l0jivl-spin .7s linear infinite}@keyframes svelte-1l0jivl-spin{to{transform:rotate(360deg)}}.slide-error.svelte-1l0jivl{align-self:center;padding:12px 20px;border-radius:10px;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;font-size:14px;font-weight:600}@media(max-width:760px){.slide-shell.svelte-1l0jivl{--slide-max-width: calc(100vw - 28px) ;--slide-stage-height: calc(100vh - var(--demo-presenter-bar-height, 72px) - 92px);padding:46px 14px calc(var(--demo-presenter-bar-height, 72px) + 18px);overflow:auto}.slide-stage.svelte-1l0jivl{min-height:0;padding:32px 24px}}.fallback.svelte-14aj0w8{position:fixed;left:50%;top:50%;z-index:10030;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px;border-radius:16px;background:#fff;border:1px solid #e2e8f0;box-shadow:0 20px 50px #0f172a26;color:#64748b}.fallback.svelte-14aj0w8 p:where(.svelte-14aj0w8){margin:0;font-size:14px;font-weight:600}.fallback.svelte-14aj0w8 button:where(.svelte-14aj0w8){display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:#334155;font-size:13px;font-weight:700;cursor:pointer}.error-toast.svelte-14aj0w8{position:fixed;left:50%;top:24px;z-index:10030;transform:translate(-50%);width:min(440px,calc(100vw - 32px));padding:14px 16px;border-radius:14px;background:#0f172aeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(239,68,68,.2);box-shadow:0 20px 50px #0000004d;animation:svelte-14aj0w8-toast-in .3s ease-out}@keyframes svelte-14aj0w8-toast-in{0%{opacity:0;transform:translate(-50%) translateY(-8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.error-header.svelte-14aj0w8{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}.error-header.svelte-14aj0w8 p:where(.svelte-14aj0w8){margin:0;color:#fca5a5;font-size:13px;font-weight:600;line-height:1.4}.error-actions.svelte-14aj0w8{display:flex;gap:6px}.error-actions.svelte-14aj0w8 button:where(.svelte-14aj0w8){display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border:1px solid rgba(255,255,255,.1);border-radius:7px;background:#ffffff0f;color:#cbd5e1;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s}.error-actions.svelte-14aj0w8 button:where(.svelte-14aj0w8):hover{background:#ffffff1f;color:#f1f5f9}.error-actions.svelte-14aj0w8 .retry:where(.svelte-14aj0w8){background:#3b82f626;border-color:#3b82f640;color:#93c5fd}.error-actions.svelte-14aj0w8 .exit:where(.svelte-14aj0w8){border-color:#ef444433;color:#fca5a5}