*{margin:0;padding:0;box-sizing:border-box}:root{--font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--bg-deep: #07090d;--bg-base: #0c1017;--bg-raised: #121822;--surface: #161d28;--surface-hover: #1c2533;--border-subtle: rgba(255, 255, 255, .07);--border-strong: rgba(255, 255, 255, .12);--accent: #f59e51;--accent-dim: #c9792e;--accent-glow: rgba(245, 158, 81, .35);--accent-2: #5ec8c8;--accent-2-dim: #3d9a9a;--danger-color: #f87171;--danger-hover: #ef4444;--success-color: #4ade80;--success-dim: #22c55e;--text-color: #e9edf2;--text-secondary: #8b97a8;--text-muted: #5c6775;--shadow-soft: 0 18px 48px rgba(0, 0, 0, .45);--shadow-card: 0 4px 24px rgba(0, 0, 0, .35);--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1.125rem;--radius-full: 9999px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-color);min-height:100vh;line-height:1.55;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse 120% 80% at 15% -20%,rgba(245,158,81,.14),transparent 55%),radial-gradient(ellipse 90% 70% at 92% 10%,rgba(94,200,200,.1),transparent 50%),radial-gradient(circle at 50% 120%,rgba(12,16,23,.9),var(--bg-base))}#root{min-height:100vh;position:relative;z-index:1}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button{cursor:pointer;border:none;padding:.7rem 1.35rem;border-radius:var(--radius-sm);font-size:.9375rem;font-weight:600;font-family:inherit;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .12s ease,border-color .18s ease}button:active:not(:disabled){transform:scale(.98)}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-glow)}.flip-card:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-glow),var(--shadow-card)}.btn-primary{background:linear-gradient(165deg,var(--accent) 0%,var(--accent-dim) 100%);color:#0a0c10;box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 6px 28px var(--accent-glow)}.btn-danger{background:#f8717126;color:#fecaca;border:1px solid rgba(248,113,113,.35)}.btn-danger:hover:not(:disabled){background:#f8717147;color:#fff}.btn-secondary{background:var(--surface);color:var(--text-color);border:1px solid var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--surface-hover);border-color:#ffffff2e}input{padding:.75rem 1rem;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:1rem;width:100%;font-family:inherit;background:var(--bg-raised);color:var(--text-color);transition:border-color .15s ease,box-shadow .15s ease}input::placeholder{color:var(--text-muted)}input:focus{outline:none;border-color:#f59e518c;box-shadow:0 0 0 3px #f59e511f}.card{background:linear-gradient(160deg,#161d28eb,#121822e0);border-radius:var(--radius-lg);padding:2rem;border:1px solid var(--border-subtle);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.container{max-width:1120px;margin:0 auto;padding:1rem 1.25rem}.page-center{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:2rem;padding:1.5rem}.hero-brand{text-align:center;animation:hero-in .7s ease both}.hero-brand .hero-kicker{font-size:.7rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--accent-2);margin-bottom:.65rem}.hero-brand h1{font-size:clamp(2.25rem,6vw,3.25rem);font-weight:900;letter-spacing:-.03em;line-height:1.1;background:linear-gradient(110deg,#fff 10%,rgba(233,237,242,.82) 45%,var(--accent) 110%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:center;animation:hero-in .75s ease .08s both}.form-card h2,.card h2{font-size:1.35rem;font-weight:700;letter-spacing:-.02em;margin-bottom:1.35rem}.form-field{margin-bottom:1.1rem}.form-field label{display:block;margin-bottom:.45rem;font-weight:600;font-size:.875rem;color:var(--text-secondary)}.form-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.25rem}.text-error{color:var(--danger-color);font-weight:500}.text-muted-block{color:var(--text-secondary);margin-bottom:1rem;font-size:.9375rem}.app-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.25rem;gap:1rem;flex-wrap:wrap;padding-bottom:1rem;border-bottom:1px solid var(--border-subtle)}.canvas-container{position:relative;width:100%;max-width:1280px;aspect-ratio:16 / 9;background-color:#f4f1ea;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid var(--border-subtle)}.canvas-container canvas{width:100%;height:100%;touch-action:none}.toolbar{display:flex;gap:1rem;padding:1rem 1.15rem;background:var(--surface);border-radius:var(--radius-md);flex-wrap:wrap;align-items:center;border:1px solid var(--border-subtle)}.toolbar-cluster{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}.toolbar-spacer{margin-left:auto;display:flex;gap:.5rem;flex-wrap:wrap}.color-palette{display:flex;gap:.45rem;flex-wrap:wrap}.color-btn{width:2.4rem;height:2.4rem;border-radius:50%;border:2px solid rgba(255,255,255,.2);cursor:pointer;transition:transform .12s ease,box-shadow .15s ease;padding:0}.color-btn:hover{transform:scale(1.08);box-shadow:0 0 0 2px #ffffff26}.color-btn.active{box-shadow:0 0 0 3px var(--accent-glow);border-color:var(--accent)}.width-selector{display:flex;gap:.4rem;align-items:center}.width-btn{width:2.35rem;height:2.35rem;border-radius:50%;background:var(--bg-raised);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;transition:background .15s ease}.width-btn:hover{background:var(--surface-hover)}.width-btn.active{background:#f59e5133;border-color:var(--accent);color:var(--accent)}.width-dot{background-color:currentColor;border-radius:50%}.flip-grid{display:grid;gap:1rem;padding:1rem 0}.flip-grid.grid-1{grid-template-columns:1fr}.flip-grid.grid-2,.flip-grid.grid-3,.flip-grid.grid-4{grid-template-columns:repeat(2,1fr)}.flip-grid.grid-5,.flip-grid.grid-6,.flip-grid.grid-7,.flip-grid.grid-8,.flip-grid.grid-9{grid-template-columns:repeat(3,1fr)}.flip-grid.grid-10{grid-template-columns:repeat(4,1fr)}.flip-card{aspect-ratio:16 / 9;background-color:#f4f1ea;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);position:relative;border:1px solid var(--border-subtle)}.flip-card-name{position:absolute;bottom:0;left:0;right:0;padding:.55rem .75rem;background:linear-gradient(transparent,#07090dd1);color:#f4f7fb;font-size:.8125rem;font-weight:600;text-align:center}.flip-card-mask{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#151a22,#0a0c10);color:var(--text-secondary);font-size:clamp(1rem,2.5vw,1.35rem);font-weight:700;letter-spacing:.12em}.flip-card-back{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;background:repeating-linear-gradient(-12deg,#1a2230,#1a2230 8px,#141a24 8px,#141a24 16px);color:var(--text-secondary)}.flip-card-back-mark{font-size:clamp(.95rem,2.2vw,1.2rem);font-weight:800;letter-spacing:.35em;opacity:.55}.writing-done-summary{margin:0 0 .5rem;font-size:.875rem;font-weight:600;color:var(--text-secondary)}.writing-progress{margin:0 0 .75rem;padding:.65rem .8rem;background:#ffffff08;border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;box-sizing:border-box}.writing-progress-row{display:flex;align-items:center;gap:.65rem;width:100%;min-width:0}.writing-progress-picto{flex-shrink:0;display:block}.writing-progress-picto-back{fill:#8b97a859}.writing-progress-picto-front{fill:#f59e5124;stroke:#f59e518c;stroke-width:1.35}.writing-progress-picto-check{stroke:var(--accent-2)}.writing-progress-bar-wrap{flex:1 1 auto;min-width:0}.writing-progress-value{flex-shrink:0;font-family:var(--font-mono);font-size:.875rem;color:#c9f7d4;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.writing-progress-track{width:100%;height:.55rem;border-radius:var(--radius-full);background:#ffffff1a;overflow:hidden}.writing-progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,#5ec8c8,#4ade80);transition:width .45s cubic-bezier(.22,1,.36,1)}.writing-progress-fill[data-dir=shrink]{transition:width .3s cubic-bezier(.4,0,.6,1)}.member-writing-done{color:#7dd3a0;font-weight:700}.writing-finished-row{display:flex;justify-content:center;margin-top:1rem}.member-list{display:flex;flex-wrap:wrap;gap:.5rem;padding:.35rem 0}.member-badge{display:inline-flex;align-items:center;gap:.3rem;padding:.35rem .85rem;background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:.8125rem;font-weight:500}.member-badge.is-host{background:#f59e512e;border-color:#f59e5166;color:#ffe8c8}.host-controls{display:flex;gap:.6rem;flex-wrap:wrap;padding:1rem 1.1rem;background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--border-subtle);align-items:center}.host-controls .check-label{display:flex;align-items:center;gap:.55rem;font-size:.9rem;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none}.host-controls input[type=checkbox]{width:auto;accent-color:var(--accent);cursor:pointer}.status-badge{display:inline-flex;align-items:center;padding:.32rem .85rem;border-radius:var(--radius-full);font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;animation:ui-badge-pop .42s cubic-bezier(.22,1,.36,1) both}.status-badge.lobby{background:#5ec8c82e;color:#9ee9e0;border:1px solid rgba(94,200,200,.35)}.status-badge.writing{background:#f59e5133;color:#fcd9a6;border:1px solid rgba(245,158,81,.35)}.status-badge.revealed{background:#4ade8029;color:#b9f5cc;border:1px solid rgba(74,222,128,.35)}.status-badge.open_screen{background:#5ec8c826;color:#9ee9e0;border:1px solid rgba(94,200,200,.45)}.status-badge.hidden{background:#8b97a826;color:#c8d0da;border:1px solid rgba(139,151,168,.3)}.conn-indicator{display:inline-flex;align-items:center;gap:.35rem;font-size:.75rem;font-weight:600;color:var(--text-secondary)}.conn-indicator .conn-dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--text-muted)}.conn-indicator.online .conn-dot{background:var(--success-color);box-shadow:0 0 8px #4ade808c}.conn-indicator.offline{color:var(--danger-color)}.conn-indicator.offline .conn-dot{background:var(--danger-color)}.room-id-block{display:flex;flex-direction:column;gap:.35rem}.room-id-heading{font-size:.68rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--text-muted)}.room-id-caption{font-size:.8125rem;color:var(--text-secondary);margin:0;line-height:1.45}.room-id-toolbar{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap}.room-id-value-btn{margin:0;font:inherit;font-family:var(--font-mono);font-size:1.2rem;font-weight:700;letter-spacing:.14em;line-height:1;background:var(--bg-raised);padding:0 .65rem;border-radius:var(--radius-sm);border:1px solid var(--border-strong);color:var(--text-color);cursor:pointer;text-align:center;width:13.75rem;height:2.875rem;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .2s ease}.room-id-value-btn:hover{background:var(--surface-hover);border-color:#f59e5180}.room-id-value-btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-glow)}.room-id-value-btn:active{transform:scale(.98)}.room-id-value-text{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-id-value-done{font-family:var(--font-sans);font-size:.875rem;font-weight:800;letter-spacing:.04em;line-height:1;color:var(--success-color);white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.room-id-value-btn.copied{border-color:#4ade808c;background:#4ade801f;animation:ui-copy-pulse .4s cubic-bezier(.22,1,.36,1) both}.invite-link-cluster{display:inline-flex;align-items:center;gap:.4rem;flex-wrap:nowrap;min-height:44px}.invite-link-done-label{font-family:var(--font-sans);font-size:.8125rem;font-weight:800;letter-spacing:.02em;color:var(--success-color);white-space:nowrap;line-height:1.2}.invite-toolbar-hint{font-size:.78rem;color:var(--text-muted);line-height:1.45;margin:.25rem 0 0}.btn-invite-link{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin:0;padding:0;border-radius:var(--radius-sm);background:#5ec8c824;color:var(--accent-2);border:1px solid rgba(94,200,200,.42);cursor:pointer;flex-shrink:0;transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .2s ease}.btn-invite-link:hover{background:#5ec8c842;color:#c5f4f4;border-color:#5ec8c894}.btn-invite-link:focus-visible{outline:none;box-shadow:0 0 0 3px #5ec8c859}.btn-invite-link:active{transform:scale(.96)}.btn-invite-link.copied{background:#4ade802e;color:var(--success-color);border-color:#4ade807a;animation:ui-copy-pulse .4s cubic-bezier(.22,1,.36,1) both}.btn-copy-room-id{padding:.5rem 1rem;font-size:.8125rem;font-weight:700;border-radius:var(--radius-sm);background:#f59e5133;color:#ffd8a8;border:1px solid rgba(245,158,81,.45);white-space:nowrap}.btn-copy-room-id:hover:not(:disabled){background:#f59e5152;color:#fff5e6}.btn-copy-room-id.copied{background:#4ade8033;color:#c9f7d4;border-color:#4ade8073}.btn-copy-room-id.copied:hover:not(:disabled){filter:brightness(1.05)}.copy-hint{font-size:.8125rem;color:var(--success-color);font-weight:600;margin:0}.obs-url-card h3{font-size:1rem;font-weight:700;margin-bottom:.65rem;color:var(--accent-2)}.btn-obs-open{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem .9rem;font-size:.825rem;font-weight:700;letter-spacing:.04em;border-radius:var(--radius-sm);background:#5ec8c81f;color:var(--accent-2);border:1px solid rgba(94,200,200,.38);cursor:pointer;white-space:nowrap;transition:background-color .18s ease,border-color .18s ease,color .18s ease}.btn-obs-open:hover{background:#5ec8c838;border-color:#5ec8c88c;color:#c5f4f4}.btn-obs-open:focus-visible{outline:none;box-shadow:0 0 0 3px #5ec8c852}.obs-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#07090db8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:1.25rem;animation:ui-fade-in .18s ease both}.obs-modal-card{width:100%;max-width:580px;background:linear-gradient(160deg,#161d28fa,#121822fa);border-radius:var(--radius-lg);border:1px solid var(--border-strong);box-shadow:var(--shadow-soft);padding:1.35rem 1.5rem 1.5rem;animation:ui-panel-rise .28s cubic-bezier(.22,1,.36,1) both}.obs-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.1rem}.obs-modal-title-row{display:flex;align-items:center;gap:.55rem;color:var(--accent-2)}.obs-modal-title-row h3{margin:0;font-size:1rem;font-weight:700;color:var(--accent-2)}.obs-modal-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);border:1px solid transparent;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.obs-modal-close:hover{background:#ffffff14;color:var(--text-color);border-color:var(--border-subtle)}.obs-modal-close:focus-visible{outline:none;box-shadow:0 0 0 3px #ffffff26}@keyframes ui-fade-in{0%{opacity:0}to{opacity:1}}.obs-url-list{display:flex;flex-direction:column;gap:.65rem}.obs-url-row{display:flex;align-items:flex-start;justify-content:space-between;gap:.65rem;flex-wrap:wrap}.obs-url-line{flex:1;min-width:0;margin:0;font-size:.8125rem;word-break:break-all;color:var(--text-secondary);line-height:1.45}.obs-url-line strong{color:var(--text-color);font-weight:700;margin-right:.35rem}.lobby-member-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem}.lobby-member-card{position:relative;min-height:4.25rem;padding:.85rem .75rem;background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;text-align:center}.lobby-member-card-body{padding-right:.25rem}.btn-copy-obs-url{position:absolute;top:.35rem;right:.35rem;width:1.75rem;height:1.75rem;padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;line-height:1;border-radius:var(--radius-sm);background:#f59e512e;color:#ffd8a8;border:1px solid rgba(245,158,81,.45);cursor:pointer}.btn-copy-obs-url:hover{background:#f59e514d;color:#fff5e6}.btn-copy-obs-url.copied{background:#4ade8033;color:#c9f7d4;border-color:#4ade8073}.lobby-member-name{font-size:.875rem;font-weight:600;color:var(--text-color);word-break:break-word}.lobby-reorder-controls{position:absolute;top:.35rem;left:.35rem;display:inline-flex;gap:.25rem}.btn-reorder{width:1.75rem;height:1.75rem;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:#5ec8c81f;color:var(--accent-2);border:1px solid rgba(94,200,200,.35);cursor:pointer}.btn-reorder:hover:not(:disabled){background:#5ec8c83d;color:#c5f4f4}.btn-reorder:disabled{opacity:.3}.btn-transfer-host{position:absolute;top:.35rem;right:2.5rem;width:1.75rem;height:1.75rem;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:#ffc8501f;color:#ffd080;border:1px solid rgba(255,200,80,.35);cursor:pointer;font-size:.75rem}.btn-transfer-host:hover{background:#ffc8503d}.btn-transfer-host-inline{margin-left:.35rem;padding:.1rem .4rem;font-size:.7rem;border-radius:var(--radius-sm);background:#ffc8501f;color:#ffd080;border:1px solid rgba(255,200,80,.35);cursor:pointer;vertical-align:middle}.btn-transfer-host-inline:hover{background:#ffc8503d}.confirm-dialog-card{width:100%;max-width:420px;background:linear-gradient(160deg,#161d28fa,#121822fa);border-radius:var(--radius-lg);border:1px solid var(--border-strong);box-shadow:var(--shadow-soft);padding:1.5rem 1.6rem;animation:ui-panel-rise .24s cubic-bezier(.22,1,.36,1) both}.confirm-dialog-card h3{font-size:1.1rem;font-weight:700;margin-bottom:.6rem}.confirm-dialog-detail{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:1.25rem}.confirm-dialog-actions{display:flex;justify-content:flex-end;gap:.6rem;flex-wrap:wrap}.lobby-member-name.is-host{color:#ffe8c8}.lobby-panel{text-align:center;padding:3rem 2rem!important}.lobby-panel h2{font-size:1.5rem;margin-bottom:.25rem}.lobby-panel .lobby-lead{color:var(--text-secondary);margin-top:1rem;max-width:36ch;margin-left:auto;margin-right:auto}.lobby-panel .lobby-count{margin-top:1.35rem;font-family:var(--font-mono);font-size:.9375rem;color:var(--accent-2)}.page-center>.card.form-card{animation:ui-panel-rise .52s cubic-bezier(.22,1,.36,1) both}.room-view>.app-header{animation:ui-fade-up .48s ease both}.room-members-block{animation:ui-fade-up .42s ease .06s both}.room-view .host-controls{animation:ui-fade-up .44s ease .1s both}.room-view .card.obs-url-card{animation:ui-fade-up .48s ease .12s both}.writing-workspace{animation:ui-panel-rise .55s cubic-bezier(.22,1,.36,1) both}.lobby-panel{animation:ui-panel-rise .5s cubic-bezier(.22,1,.36,1) both}.lobby-member-grid .lobby-member-card{animation:ui-card-pop .44s cubic-bezier(.22,1,.36,1) both}.lobby-member-grid .lobby-member-card:nth-child(1){animation-delay:0ms}.lobby-member-grid .lobby-member-card:nth-child(2){animation-delay:45ms}.lobby-member-grid .lobby-member-card:nth-child(3){animation-delay:90ms}.lobby-member-grid .lobby-member-card:nth-child(4){animation-delay:135ms}.lobby-member-grid .lobby-member-card:nth-child(5){animation-delay:.18s}.lobby-member-grid .lobby-member-card:nth-child(6){animation-delay:225ms}.lobby-member-grid .lobby-member-card:nth-child(7){animation-delay:.27s}.lobby-member-grid .lobby-member-card:nth-child(8){animation-delay:315ms}.lobby-member-grid .lobby-member-card:nth-child(9){animation-delay:.36s}.lobby-member-grid .lobby-member-card:nth-child(10){animation-delay:405ms}.member-list .member-badge{animation:ui-badge-in .38s cubic-bezier(.22,1,.36,1) both}.member-list .member-badge:nth-child(1){animation-delay:0ms}.member-list .member-badge:nth-child(2){animation-delay:40ms}.member-list .member-badge:nth-child(3){animation-delay:80ms}.member-list .member-badge:nth-child(4){animation-delay:.12s}.member-list .member-badge:nth-child(5){animation-delay:.16s}.member-list .member-badge:nth-child(6){animation-delay:.2s}.member-list .member-badge:nth-child(7){animation-delay:.24s}.member-list .member-badge:nth-child(8){animation-delay:.28s}.member-list .member-badge:nth-child(9){animation-delay:.32s}.member-list .member-badge:nth-child(10){animation-delay:.36s}.flip-grid .flip-card{animation:ui-card-pop .5s cubic-bezier(.22,1,.36,1) both;transition:transform .22s ease,box-shadow .24s ease}.flip-grid .flip-card:nth-child(1){animation-delay:0ms}.flip-grid .flip-card:nth-child(2){animation-delay:55ms}.flip-grid .flip-card:nth-child(3){animation-delay:.11s}.flip-grid .flip-card:nth-child(4){animation-delay:165ms}.flip-grid .flip-card:nth-child(5){animation-delay:.22s}.flip-grid .flip-card:nth-child(6){animation-delay:275ms}.flip-grid .flip-card:nth-child(7){animation-delay:.33s}.flip-grid .flip-card:nth-child(8){animation-delay:385ms}.flip-grid .flip-card:nth-child(9){animation-delay:.44s}.flip-grid .flip-card:nth-child(10){animation-delay:495ms}.flip-grid .flip-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px #00000061}.btn-copy-room-id{transition:transform .2s ease,background-color .18s ease,border-color .18s ease,color .18s ease}.btn-copy-room-id.copied{animation:ui-copy-pulse .4s cubic-bezier(.22,1,.36,1) both}@keyframes ui-panel-rise{0%{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes ui-fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes ui-card-pop{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes ui-badge-in{0%{opacity:0;transform:translateY(6px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes ui-badge-pop{0%{opacity:0;transform:scale(.88)}to{opacity:1;transform:scale(1)}}@keyframes ui-copy-pulse{0%{transform:scale(1)}40%{transform:scale(1.06)}to{transform:scale(1)}}.writing-intro-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:45;display:flex;align-items:center;justify-content:center;pointer-events:auto}.writing-intro-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 70% 55% at 50% 42%,rgba(245,158,81,.22),transparent 62%),radial-gradient(ellipse 90% 80% at 50% 100%,#0c1017e0,#07090df0);animation:writing-intro-pulse 1.1s ease-in-out infinite alternate}.writing-intro-content{position:relative;text-align:center;padding:2rem 1.5rem}.writing-intro-kicker{font-size:clamp(.95rem,2.8vw,1.15rem);font-weight:700;letter-spacing:.28em;text-transform:none;color:var(--accent-2);text-shadow:0 0 28px rgba(94,200,200,.35);margin-bottom:.75rem;animation:writing-intro-fade-up .45s ease-out both}.writing-intro-hint{margin-top:1rem;font-size:clamp(.8rem,2.2vw,.95rem);color:var(--text-secondary);animation:writing-intro-fade-up .5s ease-out .12s both}.writing-intro-number{font-family:var(--font-mono);font-size:clamp(4.5rem,22vw,9rem);font-weight:800;line-height:1;background:linear-gradient(165deg,#fff8f0 0%,var(--accent) 45%,var(--accent-dim) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 6px 36px var(--accent-glow));animation:writing-intro-pop .72s cubic-bezier(.22,1,.36,1) both}.writing-intro-go{font-size:clamp(2rem,9vw,3.25rem);font-weight:800;letter-spacing:.06em;background:linear-gradient(105deg,var(--accent-2) 0%,#8ee8e8 40%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 28px rgba(94,200,200,.45));animation:writing-intro-go-in .55s cubic-bezier(.22,1,.36,1) both}@keyframes writing-intro-pulse{0%{opacity:.92}to{opacity:1}}@keyframes writing-intro-fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes writing-intro-pop{0%{opacity:0;transform:scale(.35)}55%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}@keyframes writing-intro-go-in{0%{opacity:0;transform:scale(.85) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}.toast-error{position:fixed;bottom:1.15rem;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:.75rem;background:linear-gradient(165deg,#7f1d1df5,#581c1cfa);color:#fecaca;padding:.85rem 1.35rem;border-radius:var(--radius-md);border:1px solid rgba(248,113,113,.45);box-shadow:var(--shadow-soft);font-size:.9rem;font-weight:600;max-width:min(92vw,520px);z-index:60;animation:ui-toast-in .4s cubic-bezier(.22,1,.36,1) both}.toast-error-text{min-width:0}.toast-close{flex-shrink:0;width:1.75rem;height:1.75rem;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:#ffffff14;color:#fecaca;border:1px solid rgba(248,113,113,.35)}.toast-close:hover{background:#ffffff29;color:#fff}@keyframes ui-toast-in{0%{opacity:0;transform:translate(-50%) translateY(14px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes hero-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
