:root{
  --bg:#f4f6fb; --card:#fff; --ink:#0A0405; --muted:#5b6470;
  --red:#DB350F; --blue:#2282AF; --line:#e6e9f0; --radius:14px;
  --shadow:0 6px 24px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
a{color:inherit;text-decoration:none}

.site-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand-mark{font-size:24px;font-weight:800;letter-spacing:-.5px}
.brand-mark b{color:var(--red)}
.nav{display:flex;gap:22px;align-items:center}
.nav a{color:var(--muted);font-weight:600;font-size:15px}
.nav a:hover{color:var(--ink)}
.pro-link{background:linear-gradient(90deg,var(--red),var(--blue));color:#fff!important;padding:8px 16px;border-radius:999px}

.ad-slot{display:flex;align-items:center;justify-content:center;background:#eef1f7;border:1px dashed #c8cfdd;color:#9aa3b2;border-radius:10px;margin:16px auto;font-size:13px}
.ad-leaderboard{max-width:970px;height:90px}
.ad-sidebar{width:300px;min-height:600px;flex:0 0 300px;align-self:flex-start;position:sticky;top:90px}
.ad-label{text-transform:uppercase;letter-spacing:1px;font-size:11px}

.hero{max-width:880px;margin:36px auto 8px;text-align:center;padding:0 20px}
.hero h1{font-size:38px;line-height:1.15;margin:0 0 10px}
.hero h1 span{background:linear-gradient(90deg,var(--red),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:18px;margin:0}

.layout{display:flex;gap:24px;max-width:1280px;margin:24px auto;padding:0 24px;align-items:flex-start}
.tools-wrap{flex:1 1 auto;min-width:0}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;cursor:pointer;transition:transform .12s,box-shadow .12s,border-color .12s;display:flex;flex-direction:column;gap:8px}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d3d9e6}
.tool-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;background:linear-gradient(135deg,var(--red),var(--blue))}
.tool-card h3{margin:4px 0 0;font-size:17px}
.tool-card p{margin:0;color:var(--muted);font-size:14px}

.work-overlay{position:fixed;inset:0;background:rgba(10,4,5,.55);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.work-card{background:#fff;border-radius:18px;max-width:560px;width:100%;padding:28px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.3);max-height:92vh;overflow:auto}
.work-close{position:absolute;top:14px;right:16px;border:0;background:none;font-size:28px;line-height:1;color:#aab;cursor:pointer}
.work-card h2{margin:0 0 4px}
.work-desc{margin:0 0 16px;color:var(--muted)}

.dropzone{display:block;border:2px dashed #cbd3e1;border-radius:14px;padding:28px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
.dropzone.drag{border-color:var(--blue);background:#eef7fb}
.drop-icon{font-size:30px;color:var(--blue)}
.drop-inner{display:flex;flex-direction:column;gap:6px;align-items:center}
.drop-hint{font-size:13px;color:var(--muted)}
.link{color:var(--blue);text-decoration:underline}

.file-list{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.file-list li{display:flex;align-items:center;justify-content:space-between;background:#f6f8fc;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px}
.file-list .rm{border:0;background:none;color:var(--red);cursor:pointer;font-size:18px}

.params{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.params label{font-size:14px;font-weight:600;display:flex;flex-direction:column;gap:5px}
.params input,.params select{padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:15px}

.work-actions{margin-top:18px}
.btn-primary{width:100%;border:0;border-radius:11px;padding:14px;font-size:16px;font-weight:700;color:#fff;cursor:pointer;background:linear-gradient(90deg,var(--red),var(--blue))}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}

.status{margin-top:14px;padding:12px;border-radius:10px;font-size:14px}
.status.info{background:#eef7fb;color:#1d6c8a}
.status.ok{background:#eaf7ee;color:#1c7a3e}
.status.err{background:#fdecea;color:#b3261e}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid #bcd;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-3px;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}
.dl-link{display:inline-block;margin-top:8px;color:var(--blue);font-weight:700}

.upsell{margin-top:16px;font-size:13px;color:var(--muted);text-align:center}
.upsell a{color:var(--red);font-weight:700}

.site-footer{display:flex;justify-content:space-between;align-items:center;padding:24px;max-width:1280px;margin:30px auto 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
.foot-links{display:flex;gap:18px}

@media(max-width:900px){.ad-sidebar{display:none}.hero h1{font-size:30px}}