:root{--bg:#f5f5f7;--surface:rgba(255,255,255,.75);--text:#1d1d1f;--muted:#6e6e73;--border:rgba(0,0,0,.08);--radius:18px;--shadow:0 10px 30px rgba(0,0,0,.06);--logo-color:#000000;--logo-accent:#C6322C}[data-theme=dark]{--bg:#050505;--surface:rgba(28,28,30,.78);--text:#f5f5f7;--muted:#a1a1a6;--border:rgba(255,255,255,.12);--shadow:0 20px 50px rgba(0,0,0,.45);--logo-color:#ffffff;--logo-accent:#ff6b61}*{box-sizing:border-box}html{transition:background .3s ease}body{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 15%,rgba(59,130,246,.18),transparent 35%),radial-gradient(circle at 85% 25%,rgba(14,165,233,.14),transparent 30%),radial-gradient(circle at 50% 90%,rgba(168,85,247,.1),transparent 35%),linear-gradient(135deg,#fff,#f5f7fb);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;transition:background .3s ease,color .3s ease}[data-theme=dark] body{background:radial-gradient(circle at 20% 20%,rgba(59,130,246,.25),transparent 35%),radial-gradient(circle at 80% 30%,rgba(14,165,233,.18),transparent 30%),linear-gradient(135deg,#050505,#111)}.navbar,.side-menu a{display:flex;align-items:center}.navbar{position:fixed;top:0;left:0;right:0;height:64px;justify-content:center;background:rgba(255,255,255,.75);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:1000}[data-theme=dark] .navbar{background:rgba(20,20,22,.75)}.logo{font-size:20px;font-weight:600;letter-spacing:-.3px}.logo svg{height:30px;margin-top:5px}.menu-button{position:absolute;left:20px;border:0;background:0 0;font-size:22px;cursor:pointer;color:var(--text)}.menu-button:hover{opacity:.65}.side-menu{position:fixed;top:64px;left:0;width:260px;height:calc(100vh - 64px);background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(20px);padding:20px;transform:translateX(-110%);transition:transform .25s ease;z-index:999;border-right:1px solid var(--border)}.side-menu.open{transform:translateX(0)}.side-menu a{gap:14px;padding:14px;margin-bottom:8px;border-radius:12px;text-decoration:none;color:var(--text);font-size:16px}.side-menu a:hover{background:rgba(0,0,0,.05)}[data-theme=dark] .side-menu a:hover{background:rgba(255,255,255,.08)}.side-menu i,.theme-label i{width:22px;text-align:center}.content{padding-top:100px;padding-left:20px;padding-right:20px;max-width:900px;margin:auto}.card{background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(20px);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);margin-bottom:32px}.card h1{margin-top:0;font-size:28px;letter-spacing:-.5px}.card p{color:var(--muted);font-size:16px;line-height:1.6}.menu-divider{height:1px;background:var(--border);margin:20px 0}.theme-label,.theme-switch{display:flex;align-items:center}.theme-switch{justify-content:space-between;padding:12px 14px;color:var(--text)}.theme-label{gap:14px;font-size:15px}.switch{position:relative;width:44px;height:26px}.switch input{opacity:0;width:0;height:0}.slider,.slider:before{position:absolute;transition:.25s}.slider{inset:0;background:#d1d1d6;border-radius:30px;cursor:pointer}.slider:before{content:"";width:22px;height:22px;left:2px;top:2px;background:#fff;border-radius:50%;box-shadow:0 2px 5px rgba(0,0,0,.2)}.switch input:checked+.slider{background:#007aff}.switch input:checked+.slider:before{transform:translateX(18px)}@media screen and (orientation:landscape){body::before{content:"Prosím otočte zařízení na výšku";position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text);font-size:20px;text-align:center;padding:30px}}.camera-box{max-width:400px;margin:auto}#cameraPreview{width:100%;border-radius:18px;background:#000}#photoCanvas{display:none}