:root{--bg: #f8fafc;--surface: #ffffff;--ink: #0f172a;--ink-soft: #475569;--line: #e2e8f0;--accent: #0f172a;--accent-ink: #ffffff;--accent-soft: #1e293b;--danger: #b91c1c;--ok: #047857;--radius: 16px;--tap: 52px;--max-w: 480px;--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";--shadow: 0 4px 24px rgba(15, 23, 42, .08);--shadow-strong: 0 12px 40px rgba(15, 23, 42, .12);--transition: .28s cubic-bezier(.4, 0, .2, 1)}@media (prefers-reduced-motion: reduce){:root{--transition: 1ms}}*,*:before,*:after{box-sizing:border-box}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}html,body,#root{height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:env(safe-area-inset-top,24px) 16px env(safe-area-inset-bottom,32px)}.progress-bar{position:fixed;top:0;left:0;right:0;height:4px;background:var(--line);z-index:100;transform-origin:left center}.progress-bar__fill{height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform var(--transition)}.card{width:100%;max-width:var(--max-w);background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px 24px;position:relative;z-index:10;margin-top:16px}h1{font-size:26px;font-weight:700;line-height:1.2;margin:0 0 8px;color:var(--ink)}h2{font-size:20px;font-weight:600;line-height:1.3;margin:0 0 6px;color:var(--ink)}h3{font-size:17px;font-weight:600;line-height:1.4;margin:0 0 4px;color:var(--ink)}p{font-size:15px;line-height:1.6;margin:0 0 16px;color:var(--ink-soft)}.lead{font-size:16px;line-height:1.55;color:var(--ink);font-weight:500}.muted{color:var(--ink-soft);font-size:14px;line-height:1.5}.small{font-size:13px;line-height:1.5}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:var(--tap);padding:0 24px;border-radius:12px;font-size:16px;font-weight:600;font-family:inherit;border:none;cursor:pointer;transition:all var(--transition);text-decoration:none}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{background:var(--accent);color:var(--accent-ink)}.btn--primary:not(:disabled):hover{background:var(--accent-soft)}.btn--secondary{background:var(--surface);color:var(--accent);border:2px solid var(--accent)}.btn--secondary:not(:disabled):hover{background:#f1f5f9}.btn--ghost{background:transparent;color:var(--ink-soft);border:none}.btn--ghost:not(:disabled):hover{color:var(--ink)}.btn--danger{background:var(--danger);color:#fff}.field{margin-bottom:24px}.field__label{display:block;font-size:15px;font-weight:600;margin-bottom:8px;color:var(--ink)}.field__label .req{color:var(--danger);margin-left:2px}.field__input,.field__select,.field__textarea{width:100%;min-height:var(--tap);padding:14px 16px;border-radius:12px;border:2px solid var(--line);font:inherit;font-size:16px;background:var(--surface);color:var(--ink);transition:border-color var(--transition),box-shadow var(--transition)}.field__input:focus,.field__select:focus,.field__textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #0f172a1a}.field__input::placeholder{color:#94a3b8}.field__input--textarea{min-height:120px;resize:vertical}.field__error{color:var(--danger);font-size:13px;margin-top:6px}.option-card{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border:2px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;transition:all var(--transition);margin-bottom:12px;position:relative}.option-card:hover{border-color:#cbd5e1}.option-card input[type=checkbox]{position:absolute;opacity:0;pointer-events:none}.option-card__checkbox{width:22px;height:22px;flex:0 0 22px;border:2px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);background:#fff}.option-card--selected{border-color:var(--accent);background:#f8fafc}.option-card__checkbox:after{content:"✓";color:#fff;font-size:12px;font-weight:700;transform:scale(0);transition:transform var(--transition)}.option-card input:checked+.option-card__checkbox{border-color:var(--accent);background:var(--accent)}.option-card input:checked+.option-card__checkbox:after{transform:scale(1)}.option-card__text{flex:1;font-size:14px;line-height:1.5;color:var(--ink)}.radio-group{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.radio-option{display:flex;align-items:center;gap:12px;padding:14px 16px;border:2px solid var(--line);border-radius:12px;cursor:pointer;transition:all var(--transition);font-size:15px;font-weight:500;background:var(--surface);position:relative}.radio-option:hover{border-color:#cbd5e1}.radio-option input[type=radio]{width:20px;height:20px;flex:0 0 20px;accent-color:var(--accent);margin:0}.radio-option input[type=radio]:checked{border-color:var(--accent)}.radio-option input:checked+span{color:var(--accent)}.radio-option--long{align-items:flex-start}.radio-option--long input{margin-top:2px}@keyframes stepFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.step-transition{animation:stepFadeIn .18s cubic-bezier(.16,1,.3,1) forwards;width:100%}@media (prefers-reduced-motion: reduce){.step-transition{animation:none}}.rank-list{display:flex;flex-direction:column;gap:12px;margin-bottom:12px;width:100%}.rank-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border:2px solid var(--line);border-radius:14px;background:var(--surface);width:100%;box-sizing:border-box;cursor:grab;user-select:none;-webkit-user-select:none;touch-action:none;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,opacity .12s ease}.rank-item:hover{border-color:#cbd5e1}.rank-item:active{cursor:grabbing}.rank-item--dragging{opacity:.85;border-color:var(--accent);border-width:2.5px;box-shadow:var(--shadow-strong);background:#eef2ff;transform:scale(1.02);z-index:10}.rank-handle{display:flex;align-items:center;justify-content:center;min-width:28px;min-height:36px;padding:4px;cursor:grab;opacity:.75;touch-action:none}.rank-handle:hover{opacity:1}.rank-badge{width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.rank-content{flex:1 1 0%;min-width:0}.rank-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.35}.rank-subtitle{font-size:12px;color:var(--ink-soft);line-height:1.35;margin-top:2px}.rank-controls{display:flex;gap:4px;flex:0 0 auto}.icon-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line);background:#f8fafc;cursor:pointer;font-size:14px;font-weight:700;transition:all var(--transition)}.icon-btn:not(:disabled):hover{background:#e2e8f0;border-color:#cbd5e1}.icon-btn:disabled{opacity:.25;cursor:not-allowed}.alert{padding:16px;border-radius:12px;font-size:14px;line-height:1.5;margin-bottom:20px}.alert--error{background:#fef2f2;color:#991b1b;border:1px solid #fee2e2}.alert--warning{background:#fffbeb;color:#92400e;border:1px solid #fef3c7}.alert--success{background:#ecfdf5;color:#065f46;border:1px solid #d1fae5}.consent-block{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:24px;font-size:14px;line-height:1.65;color:var(--ink-soft);white-space:pre-wrap;max-height:280px;overflow-y:auto}.signature-pad{width:100%;height:160px;border:2px dashed var(--line);border-radius:12px;background:#fafafa;touch-action:none;display:block}.signature-pad--active{border-style:solid;border-color:var(--accent);background:#fff}.admin-card{max-width:1040px;width:100%}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}.table th{background:#f8fafc;font-weight:600}.pill{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600}.pill--ok{background:#ecfdf5;color:#065f46}.pill--no{background:#fef2f2;color:#991b1b}.pill--pending{background:#fef3c7;color:#92400e}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -8px;padding:0 8px}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th{padding:12px 16px;text-align:left;border-bottom:2px solid var(--line);background:#f8fafc;font-weight:600;white-space:nowrap;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}.admin-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}.admin-table tbody tr:hover{background:#f8fafc}.admin-header{width:100%;max-width:1040px;display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.admin-header__left{flex:1;min-width:0}.admin-header__action{flex-shrink:0;width:auto;white-space:nowrap}.admin-form-row{display:flex;gap:12px;margin-bottom:16px}.admin-field-session{flex:1;min-width:160px;margin-bottom:0}.admin-field-letter{flex:1;min-width:100px;margin-bottom:0}.admin-actions-row{display:flex;gap:12px}.admin-section-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.admin-sign-out{width:auto;font-size:13px;color:var(--ink-soft);flex-shrink:0;margin-top:4px}.admin-sign-out:hover{color:var(--danger);text-decoration:underline}.alert-retry{width:auto;font-size:13px;margin-top:8px;color:var(--danger);text-decoration:underline;padding:4px 0;min-height:auto;display:inline;background:none;border:none}.alert-retry:hover{color:#7f1d1d}.empty-state{text-align:center;padding:32px 16px}.empty-state__icon{width:48px;height:48px;color:var(--ink-soft);opacity:.4;margin-bottom:16px;display:inline-block}.empty-state__title{font-size:17px;font-weight:600;color:var(--ink);margin:0 0 8px}.empty-state__desc{font-size:14px;color:var(--ink-soft);line-height:1.5;max-width:320px;margin:0 auto}.table-skeleton{padding:8px 0}.skeleton-row{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.skeleton-row:last-child{border-bottom:none}.skeleton-line{height:14px;border-radius:6px;background:var(--line);position:relative;overflow:hidden}.skeleton-line:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:skeletonPulse 1.5s infinite}.skeleton-line--short{width:30%}.skeleton-line--medium{width:50%}.skeleton-line--long{width:80%}@keyframes skeletonPulse{0%{transform:translate(0)}to{transform:translate(300%)}}@media (prefers-reduced-motion: reduce){.skeleton-line:after{animation:none;display:none}}@media (max-width: 640px){.admin-header{flex-direction:column;align-items:stretch}.admin-header__action{width:100%;text-align:center}.admin-table{font-size:12px}.admin-table th,.admin-table td{padding:8px 10px;white-space:nowrap}.admin-card{padding:20px 16px}.card{padding:24px 16px}.admin-section-header{flex-direction:column}.admin-sign-out{align-self:flex-start}}@media (max-width: 400px){.admin-form-row{flex-direction:column;gap:0}.admin-field-session,.admin-field-letter{min-width:100%}.admin-actions-row{flex-direction:column}.admin-table,.admin-table thead,.admin-table tbody,.admin-table th,.admin-table td,.admin-table tr{display:block}.admin-table thead{display:none}.admin-table td{padding:6px 12px;border-bottom:none;text-align:right;display:flex;justify-content:space-between;align-items:center;gap:8px}.admin-table td:before{content:attr(data-label);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);text-align:left}.admin-table tr{padding:12px;margin-bottom:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.admin-table tr:hover{background:var(--surface)}.admin-table tbody tr:last-child{margin-bottom:0}}.admin-header .btn{width:auto;min-height:40px;padding:0 16px;font-size:14px;white-space:nowrap}.admin-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex-shrink:0}.admin-card+.admin-card{margin-top:24px}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px}.tabbar{display:flex;flex-wrap:wrap;gap:8px}.tabbar__tab{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--transition)}.tabbar__tab:hover{border-color:#cbd5e1;color:var(--ink)}.tabbar__tab--active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.tabbar__count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:#f1f5f9;color:var(--ink-soft);font-size:11px;font-weight:700}.tabbar__tab--active .tabbar__count{background:#ffffff38;color:#fff}.admin-search{flex:1 1 220px;max-width:300px}.admin-search .field__input{min-height:40px;font-size:14px}.admin-table th.admin-table__actions,.admin-table td.admin-table__actions{text-align:right;white-space:nowrap}.row-actions{display:flex;gap:6px;justify-content:flex-end}.btn--danger-ghost{width:auto;min-height:30px;padding:0 12px;font-size:12px;background:transparent;color:var(--danger);border:1px solid #fecaca;border-radius:8px}.btn--danger-ghost:not(:disabled):hover{background:#fef2f2}@media (min-width: 640px){.app-shell{padding:40px 24px}.card{padding:40px 32px}h1{font-size:30px}h2{font-size:22px}}