:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--primary:#6d4aff;--danger:#d9363e;--border:#e5e7eb}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}header{height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}
header nav{display:flex;gap:18px}main{max-width:1200px;margin:0 auto;padding:28px}.toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:26px}.toolbar h1{margin:0 0 4px}.actions{display:flex;gap:10px}
.btn{appearance:none;border:0;background:var(--primary);color:#fff;border-radius:10px;padding:11px 16px;font-weight:700;cursor:pointer;display:inline-block}.btn.secondary{background:#eef0f5;color:#20263a}.btn.danger{background:var(--danger)}.btn.small{padding:8px 10px;font-size:12px}
.muted{color:var(--muted)}section{margin-top:28px}h2{font-size:18px}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.folder-card{background:#fff;border:1px solid var(--border);padding:18px;border-radius:14px;font-weight:700;color:var(--text)}
.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.image-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}.image-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#eef1f5}.image-meta{padding:12px;display:flex;flex-direction:column;gap:4px}.image-meta strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-actions{padding:0 12px 12px;display:flex;gap:8px}.card-actions form{margin:0}
.auth-body{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(460px,100%);background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:0 15px 50px rgba(22,27,45,.08)}
label{display:flex;flex-direction:column;gap:7px;font-weight:700;margin-bottom:14px}input{width:100%;border:1px solid #d7dbe3;border-radius:10px;padding:12px;font:inherit}.auth-card .btn{width:100%}
.alert{padding:12px;border-radius:10px;margin:14px 0}.alert.error{background:#ffe8e9;color:#a3171d}.alert.success{background:#e9f9ee;color:#147a35}
dialog{border:0;border-radius:16px;padding:24px;width:min(420px,92vw)}dialog::backdrop{background:rgba(0,0,0,.35)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px}
.panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:20px}.inline-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}.inline-form label{margin:0}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--border)}
@media(max-width:700px){header{padding:0 16px}main{padding:18px}.toolbar{align-items:flex-start;flex-direction:column}.inline-form{grid-template-columns:1fr}.image-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card-actions{flex-direction:column}}