:root{--bg: #f4f6f8;--surface: #ffffff;--surface-2: #f8fafb;--text: #1c2530;--muted: #5d6b7a;--border: #dfe5ea;--primary: #2f6f73;--primary-strong: #245659;--primary-weak: #e3f1f1;--success: #2b7a3d;--success-weak: #e5f4e8;--warn: #9a5b00;--warn-weak: #fff4e0;--danger: #b42727;--danger-weak: #fdeaea;--info: #2f5aa8;--info-weak: #e8effb;--radius: 14px;--radius-sm: 10px;--shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 2px 8px rgb(16 24 40 / 5%);--focus: 0 0 0 3px rgb(47 111 115 / 35%);color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}h1,h2,h3{line-height:1.25;margin:0}h1{font-size:1.6rem}h2{font-size:1.2rem}h3{font-size:1.02rem}p{margin:0}a{color:var(--primary)}img{max-width:100%;display:block}.muted{color:var(--muted)}.small{font-size:.875rem}.icon{flex-shrink:0}.stack{display:flex;flex-direction:column;gap:16px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.spacer{flex:1}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-sm);font:inherit;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,transform .05s;white-space:nowrap}.btn:focus-visible{outline:none;box-shadow:var(--focus)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled,.btn.is-disabled{opacity:.55;cursor:not-allowed}.btn.is-disabled{pointer-events:none}.btn-md{padding:9px 16px;font-size:.95rem}.btn-sm{padding:6px 11px;font-size:.85rem}.btn-lg{padding:16px 24px;font-size:1.15rem;border-radius:var(--radius)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-strong)}.btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.btn-secondary:hover:not(:disabled){border-color:#c4ced7;background:var(--surface-2)}.btn-ghost{background:transparent;color:var(--muted)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-danger{background:var(--surface);border-color:#efc4c4;color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-weak)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#23642f}.spinner-wrap{display:inline-flex;align-items:center;gap:8px}.spinner{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card>h2+*{margin-top:12px}.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:600;white-space:nowrap}.badge-neutral{background:#eef1f4;color:#44515e}.badge-success{background:var(--success-weak);color:var(--success)}.badge-warn{background:var(--warn-weak);color:var(--warn)}.badge-danger{background:var(--danger-weak);color:var(--danger)}.badge-info{background:var(--info-weak);color:var(--info)}.notice{border-radius:var(--radius-sm);padding:12px 14px;display:flex;flex-direction:column;gap:4px;font-size:.93rem}.notice ul{margin:4px 0 0;padding-left:20px}.notice-info{background:var(--info-weak);color:#233f70}.notice-warn{background:var(--warn-weak);color:#6b4100}.notice-danger{background:var(--danger-weak);color:#7f1d1d}.notice-success{background:var(--success-weak);color:#1d5a2c}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:20px}.page-header p{margin-top:4px}.page-actions{display:flex;gap:10px;flex-wrap:wrap}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-weight:600;font-size:.9rem}.field-hint{color:var(--muted);font-size:.82rem}input[type=text],input[type=number],select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;width:100%}textarea{resize:vertical;min-height:90px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:var(--focus)}input[type=range]{width:100%;accent-color:var(--primary)}.checkbox{display:flex;align-items:center;gap:10px;font-weight:500;cursor:pointer}.checkbox input{width:18px;height:18px;accent-color:var(--primary)}.segmented{display:inline-flex;background:#e9eef1;border-radius:var(--radius-sm);padding:4px;gap:4px}.segmented button{border:0;background:transparent;padding:8px 14px;border-radius:8px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;display:inline-flex;gap:8px;align-items:center}.segmented button[aria-pressed=true]{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.segmented button:disabled{opacity:.5;cursor:not-allowed}.connection{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;color:var(--muted)}.connection .dot{width:9px;height:9px;border-radius:50%;background:#c2a400}.connection.is-online .dot{background:#2fb344}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}.landing{max-width:980px;margin:0 auto;padding:48px 20px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.15rem;color:var(--primary-strong);text-decoration:none}.brand img{width:34px;height:34px}.landing h1{font-size:2.1rem;margin-top:28px}.landing .lead{font-size:1.1rem;max-width:640px;margin-top:10px}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:32px}.tile{display:flex;flex-direction:column;gap:10px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);text-decoration:none;color:var(--text);transition:border-color .15s,transform .15s}.tile:hover{border-color:var(--primary);transform:translateY(-2px)}.tile-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--primary-weak);color:var(--primary)}.parent-shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100vh}.nav{display:flex;flex-direction:column;gap:4px}.nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--muted);text-decoration:none;font-weight:600}.nav a:hover{background:var(--surface-2);color:var(--text)}.nav a.active{background:var(--primary-weak);color:var(--primary-strong)}.parent-main{padding:28px 32px 60px;min-width:0}.parent-content{max-width:1060px;margin:0 auto}.toast-stack{position:fixed;top:16px;right:16px;z-index:50;display:flex;flex-direction:column;gap:10px;max-width:360px}.toast{display:flex;gap:12px;align-items:flex-start;background:#1f2a33;color:#fff;border-radius:var(--radius-sm);padding:12px 14px;box-shadow:0 8px 24px #00000038;animation:toast-in .2s ease-out}.toast .btn{color:#cfd8df;padding:2px}@keyframes toast-in{0%{opacity:0;transform:translateY(-6px)}}.mission-list{display:grid;gap:14px}.mission-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;text-decoration:none;color:inherit}.mission-row:hover{border-color:var(--primary)}.thumbs{display:flex;gap:6px;margin-top:10px}.thumb{width:44px;height:44px;border-radius:8px;background:var(--surface-2);border:1px solid var(--border);object-fit:cover}.step-editor{display:grid;grid-template-columns:180px 1fr;gap:18px}.step-card-image{width:180px;aspect-ratio:1;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);display:grid;place-items:center;overflow:hidden;color:var(--muted);text-align:center;font-size:.85rem;padding:0}.step-card-image img{width:100%;height:100%;object-fit:cover}.step-head{display:flex;align-items:center;gap:10px}.step-number{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--primary-weak);color:var(--primary-strong);font-weight:700;flex-shrink:0}.step-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.step-fields .wide{grid-column:1 / -1}.save-bar{position:sticky;bottom:0;z-index:5;margin-top:20px;padding:14px 18px;background:#fffffff2;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 -4px 18px #10182814;display:flex;align-items:center;gap:12px;flex-wrap:wrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.level-bar{display:inline-flex;gap:3px;vertical-align:middle}.level-bar span{width:14px;height:8px;border-radius:3px;background:#e1e7ec}.level-bar span.on{background:var(--primary)}.board-admin{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}.board-admin figure{margin:0;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}.board-admin .step-card-image{width:100%}.simulator{max-width:980px;margin:0 auto;padding:28px 20px 60px}.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.room-button{text-align:left;border:2px solid var(--border);background:var(--surface);border-radius:var(--radius);padding:16px;cursor:pointer;font:inherit;display:flex;flex-direction:column;gap:8px}.room-button:hover{border-color:var(--primary)}.room-button.is-here{border-color:var(--primary);background:var(--primary-weak)}.camera-state{display:flex;align-items:center;gap:14px;padding:16px;border-radius:var(--radius);font-weight:700;font-size:1.1rem}.camera-state.is-on{background:var(--info-weak);color:var(--info)}.camera-state.is-off{background:#ecebf6;color:#463d8a}.light-toggle{display:flex;align-items:center;gap:12px}.bulb{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#e5e9ed;color:#7b8794;transition:background .2s}.bulb.is-on{background:#ffe28a;color:#8a5a00;box-shadow:0 0 18px #ffcd3cb3}.child{--child-bg: #eef5f4;--child-ink: #173436;min-height:100vh;min-height:100dvh;background:var(--child-bg);color:var(--child-ink);display:flex;flex-direction:column;font-size:1.1rem}.child-top{display:flex;align-items:center;gap:12px;padding:12px 18px;flex-wrap:wrap}.child-main{flex:1;width:100%;max-width:720px;margin:0 auto;padding:8px 18px 28px;display:flex;flex-direction:column;gap:18px}.child-gate{flex:1;display:grid;place-items:center;text-align:center;padding:24px}.child-gate h1{font-size:2.2rem;margin-bottom:8px}.child-gate .btn{margin-top:24px;font-size:1.5rem;padding:22px 48px}.privacy-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:.9rem;font-weight:700}.privacy-chip.is-off{background:#e4e1f7;color:#3f3685}.privacy-chip.is-on{background:#dbe8fb;color:#244b8e}.progress-dots{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.progress-dots span{width:14px;height:14px;border-radius:50%;background:#c8dad8}.progress-dots span.done{background:#4f9a94}.progress-dots span.current{background:var(--primary);outline:3px solid #a7d0cb}.step-card{background:#fff;border-radius:24px;padding:22px;box-shadow:0 4px 18px #1734361a;display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}.step-picture{width:min(100%,340px);aspect-ratio:1;border-radius:20px;background:#f2f7f6;display:grid;place-items:center;overflow:hidden}.step-picture img{width:100%;height:100%;object-fit:cover}.step-picture .placeholder{font-size:1.6rem;font-weight:800;padding:18px;color:var(--primary-strong)}.step-title{font-size:2rem;font-weight:800}.step-prompt{font-size:1.25rem}.hint-box{background:#fff7e2;color:#5c4100;border-radius:16px;padding:14px 18px;font-size:1.15rem;width:100%}.safety-note{font-size:.95rem;color:#6b4100}.child-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.child-btn{border:0;border-radius:20px;padding:16px 10px;font:inherit;font-weight:800;font-size:1.1rem;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;background:#fff;color:var(--child-ink);box-shadow:0 2px 8px #1734361a}.child-btn:focus-visible{outline:4px solid #8cc7c1}.child-btn:disabled{opacity:.5}.child-btn.done{grid-column:1 / -1;background:#2e8b57;color:#fff;font-size:1.6rem;padding:22px}.child-btn.help{background:#fff1d6;color:#7a4b00}.camera-panel{position:relative;width:100%;border-radius:18px;overflow:hidden;background:#0f1d1e}.camera-panel video,.camera-panel img{width:100%;height:100%;display:block;object-fit:fill}.camera-box{position:absolute;border:4px solid #ffd166;border-radius:12px;box-shadow:0 0 0 9999px #00000047;transition:all .25s ease}.camera-overlay{position:absolute;left:10px;bottom:10px;right:10px;display:flex;gap:8px;justify-content:space-between;align-items:center}.camera-status{background:#0000008c;color:#fff;font-size:.85rem;border-radius:999px;padding:4px 10px}.mission-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.mission-tile{border:0;background:#fff;border-radius:20px;padding:12px;display:flex;flex-direction:column;gap:10px;align-items:center;font:inherit;font-weight:800;color:var(--child-ink);cursor:pointer;box-shadow:0 2px 8px #1734361a}.mission-tile .step-picture{width:100%;border-radius:14px}.mission-tile .placeholder{font-size:1.05rem}.board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.board-tile{border:0;background:#fff;border-radius:16px;padding:8px;font:inherit;font-weight:700;font-size:.95rem;color:var(--child-ink);display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;box-shadow:0 2px 6px #1734361a}.board-tile img,.board-tile .board-fallback{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;background:#e5f1ef}.board-fallback{display:grid;place-items:center;font-size:1.05rem}.board-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.celebrate{background:#e3f4e6;color:#1d5a2c;border-radius:18px;padding:16px 20px;font-weight:800;font-size:1.3rem;text-align:center}.break-view{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;text-align:center;padding:24px;background:#e7f0fb}.breath{width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,#9ec5f0,#5e95d6);display:grid;place-items:center;color:#fff;font-size:1.4rem;font-weight:800;animation:breathe 10s ease-in-out infinite}@keyframes breathe{0%,to{transform:scale(.72)}50%{transform:scale(1)}}.child-banner{background:#fff3cd;color:#5c4100;padding:10px 18px;text-align:center;font-weight:700}@media(max-width:860px){.parent-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;border-right:0;border-bottom:1px solid var(--border)}.nav{flex-direction:row;flex-wrap:wrap}.parent-main{padding:20px 16px 60px}.step-editor,.step-fields{grid-template-columns:1fr}}@media(max-width:480px){.board{grid-template-columns:repeat(3,1fr)}.step-title{font-size:1.6rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.breath{animation:none;transform:scale(.9)}}