:root {
  --bg: #0b1020;
  --panel: #121933;
  --panel-2: #1a2347;
  --text: #e8ecf8;
  --muted: #9aa6c8;
  --brand: #5b8cff;
  --brand-2: #7a5bff;
  --accent: #22d3a6;
  --danger: #ff5b7a;
  --border: #26315a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #17224a 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

header.site {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(11,16,32,.72);
  border-bottom: 1px solid var(--border);
}
header.site .bar { display: flex; align-items: center; gap: 18px; height: 62px; }
.logo { font-weight: 800; font-size: 20px; letter-spacing: .3px; display: flex; align-items: center; gap: 9px; }
.logo .dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent)); box-shadow: 0 0 14px var(--brand); }
header.site nav { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
header.site nav a { color: var(--muted); font-size: 14px; }
header.site nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 64px 0 30px; }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.08; margin: 0 0 14px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 680px; }
.badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.badge { font-size: 13px; color: var(--text); background: var(--panel-2); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; }

.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.tool-card { display: block; transition: transform .12s ease, border-color .12s ease; }
.tool-card:hover { transform: translateY(-3px); border-color: var(--brand); text-decoration: none; }
.tool-card .ico { font-size: 26px; }

.section { padding: 34px 0; }
.section h2 { font-size: 26px; margin: 0 0 6px; }
.section .sub { color: var(--muted); margin: 0 0 22px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  color: #fff; border: 0; border-radius: 10px; padding: 12px 18px;
  font-weight: 600; font-size: 15px;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 40px 20px; text-align: center; color: var(--muted);
  background: rgba(255,255,255,.02); transition: border-color .15s, background .15s;
  cursor: pointer;
}
.dropzone.drag { border-color: var(--brand); background: rgba(91,140,255,.08); color: var(--text); }
.dropzone strong { color: var(--text); }

.controls { display: flex; gap: 14px; flex-wrap: wrap; align-items: end; margin: 18px 0; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 10px 12px; font-size: 14px; min-width: 120px;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--brand); }

.filelist { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.fileitem { display: flex; align-items: center; gap: 12px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.fileitem .thumb { width: 46px; height: 46px; border-radius: 8px; object-fit: cover; background: var(--panel-2); flex: none; }
.fileitem .meta { flex: 1; min-width: 0; }
.fileitem .meta .name { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fileitem .meta .sub { font-size: 12px; color: var(--muted); }
.fileitem .status { font-size: 12px; color: var(--accent); }
.fileitem .status.err { color: var(--danger); }

.presets { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.preset { font-size: 13px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel); cursor: pointer; color: var(--muted); }
.preset.active, .preset:hover { border-color: var(--brand); color: var(--text); }

textarea.code {
  width: 100%; min-height: 220px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 13px;
}

.note { font-size: 13px; color: var(--muted); }
.privacy { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-size: 13px; font-weight: 600; }

.faq details { border: 1px solid var(--border); border-radius: 10px; padding: 4px 16px; margin-bottom: 10px; background: var(--panel); }
.faq summary { cursor: pointer; padding: 12px 0; font-weight: 600; }
.faq details p { color: var(--muted); padding-bottom: 12px; }

.ad-slot { margin: 26px 0; min-height: 90px; border: 1px dashed var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #4a5680; font-size: 12px; }

footer.site { border-top: 1px solid var(--border); margin-top: 50px; padding: 30px 0; color: var(--muted); font-size: 14px; }
footer.site .cols { display: flex; gap: 40px; flex-wrap: wrap; }
footer.site a { color: var(--muted); display: block; padding: 3px 0; }
footer.site a:hover { color: var(--text); }

.crumbs { font-size: 13px; color: var(--muted); margin: 22px 0 4px; }
.crumbs a { color: var(--muted); }

.pill-list { display: flex; gap: 8px; flex-wrap: wrap; }
.pill-list a { font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel); color: var(--muted); }
.pill-list a:hover { border-color: var(--brand); color: var(--text); text-decoration: none; }

.hidden { display: none !important; }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }