:root{--bg:#f6f7fb;--surface:#fff;--text:#14161c;--muted:#6b7280;--border:#e5e7eb;--primary:#5b5bf6;--primary-h:#4646e0;--ok-bg:#ecfdf3;--ok:#067647;--err-bg:#fef3f2;--err:#b42318;--radius:14px;--shadow:0 1px 2px rgba(16,24,40,.06),0 4px 16px rgba(16,24,40,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0e1015;--surface:#171a21;--text:#eef0f4;--muted:#9aa3b2;--border:#262b35;--primary:#7c7cff;--primary-h:#6969f5;--ok-bg:#0f2a1d;--ok:#6ce9a6;--err-bg:#2d1414;--err:#fda29b;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35)}}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem clamp(1rem,4vw,2.5rem);background:var(--surface);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.1rem}
.logo{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#c06cff)}
nav{display:flex;align-items:center;gap:.5rem}
.navlink{padding:.5rem .8rem;border-radius:10px;color:var(--muted);font-weight:500}
.navlink:hover,.navlink.active{color:var(--text);background:var(--bg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1.1rem;border-radius:10px;font-weight:600;font-size:.95rem;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;transition:.15s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-h)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:2rem clamp(1rem,4vw,2.5rem);flex:1}
.flashes{display:grid;gap:.5rem;margin-bottom:1.5rem}
.flash{padding:.8rem 1rem;border-radius:var(--radius);font-weight:500}
.flash-success{background:var(--ok-bg);color:var(--ok)}
.flash-error{background:var(--err-bg);color:var(--err)}
.footer{text-align:center;color:var(--muted);font-size:.85rem;padding:2rem 1rem}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}
.page-head h1{margin:0;font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.02em}
.page-head p{margin:.25rem 0 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.card{position:relative;display:block;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}
.card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.card:hover img{transform:scale(1.04)}
.empty{text-align:center;padding:4rem 1rem;border:2px dashed var(--border);border-radius:var(--radius);color:var(--muted)}
.empty h2{color:var(--text);margin:0 0 .5rem}
.panel{max-width:640px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(1.25rem,4vw,2rem)}
.panel h1{margin:0 0 .25rem;font-size:1.6rem}
.muted{color:var(--muted)}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;text-align:center;padding:2.5rem 1rem;margin:1.5rem 0;border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,transparent)}
.drop input{display:none}
.drop-icon{font-size:2rem}
.previews{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:.5rem;margin-bottom:1rem}
.previews img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px}
.full{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.viewer{display:flex;flex-direction:column;align-items:center;gap:1.25rem}
.viewer img{max-width:100%;max-height:75vh;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--surface)}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}
.narrow{max-width:420px;margin-top:6vh}
.form{display:grid;gap:1rem;margin-top:1.5rem}
.form label{display:grid;gap:.4rem;font-weight:600;font-size:.9rem}
.form input{font:inherit;padding:.75rem .9rem;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);outline:none;transition:.15s}
.form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 25%,transparent)}
.inline{display:inline;margin:0}
.user{color:var(--muted);font-size:.9rem;padding:0 .4rem}