*{box-sizing:border-box;margin:0;padding:0}
:root{--teal:#0f766e;--teal-d:#0d665f;--teal-l:#14b8a6;--ink:#102a43;--muted:#5c6b75;--line:#cbdde3;--bg:#f5fafb;--card:#fff}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
header{display:flex;align-items:center;gap:14px;padding:14px 20px;background:#fff;border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:18px;text-decoration:none;color:var(--ink)}.brand span{color:var(--teal)}
header b{color:var(--muted);font-weight:600;font-size:14px}
.hero{text-align:center;padding:30px 20px 10px}
.hero small{color:var(--teal);font-weight:700;letter-spacing:.5px;font-size:12px}
.hero h2{font-size:28px;margin:8px 0 6px}
.hero p{color:var(--muted);max-width:600px;margin:0 auto}
.app{max-width:900px;margin:0 auto;padding:18px 16px 30px}
.dropzone{border:2px dashed #79a7b1;border-radius:14px;background:#f0f9fa;padding:44px 20px;text-align:center;cursor:pointer;transition:.15s}
.dropzone.drag{background:#e2f4f6;border-color:var(--teal)}
.dz-icon{font-size:48px}.dz-inner h3{margin:10px 0 4px;font-size:20px}.dz-inner p{color:var(--muted);margin-bottom:16px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 10px 30px rgba(16,38,51,.06)}
.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;align-items:end;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.ctl{display:flex;flex-direction:column;gap:6px}
.ctl label{font-weight:600;font-size:14px}
.ctl select,.ctl input[type=number]{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.ctl input[type=range]{width:100%}
.resize-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.resize-row input{width:90px}
.resize-row .hint{color:var(--muted);font-size:12px}
.ctl.actions{flex-direction:row;gap:10px;align-items:center}
.btn{border:none;border-radius:8px;padding:10px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.15s}
.btn.primary{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,118,110,.22)}
.btn.primary:hover{background:var(--teal-d);transform:translateY(-1px)}
.btn.primary:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.big{padding:12px 24px;font-size:15px}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--muted)}
.btn.ghost:hover{border-color:var(--teal-l);color:var(--teal)}
.status{color:var(--muted);font-size:14px;margin-bottom:10px}
.status.err{color:#b3261e}.status.ok{color:#0a7d33}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;position:relative}
.card .thumb{width:100%;height:120px;object-fit:cover;display:block;background:#eef5f7}
.card .meta{padding:8px 10px;font-size:12px}
.card .meta .nm{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .meta .sz{color:var(--muted)}
.card .dl{display:block;text-align:center;background:var(--teal);color:#fff;text-decoration:none;padding:7px;font-size:13px;font-weight:700}
.card .dl:hover{background:var(--teal-d)}
.card .spin{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.7);font-size:12px;color:var(--muted)}
.card .rm{position:absolute;top:6px;right:6px;background:#b3261e;color:#fff;border:none;border-radius:50%;width:22px;height:22px;cursor:pointer;font-size:13px;line-height:1;z-index:2}
.bulk{text-align:center;margin-top:18px}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:760px;margin:10px auto 0;padding:20px 16px}
.benefits div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center}
.benefits b{display:block;color:var(--ink)}.benefits span{color:var(--muted);font-size:13px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px 16px}
@media(max-width:600px){.benefits{grid-template-columns:1fr}.hero h2{font-size:23px}}

/* Premium (PRO) button */
.btn.pro{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;display:inline-flex;align-items:center;gap:6px}
.btn.pro em{background:#f0b849;color:#1a2332;font-style:normal;font-weight:800;font-size:10px;padding:1px 6px;border-radius:4px;letter-spacing:.3px}
.btn.pro:hover{transform:translateY(-1px)}