*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0b0f;--bg2:#11131a;--card:#161922;--card2:#1a1e28;--border:#232733;--border2:#2d3340;--text:#e8eaf0;--dim:#7a8190;--accent:#9b59b6;--hover:#b370e0;--green:#2ecc71;--red:#ff3b3b;--gold:#fdcb6e;--blue:#4f8cff;--pink:#e84393;--r:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.7;overflow-x:hidden}
.navbar{display:flex;justify-content:space-between;align-items:center;padding:.75rem 2rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(10,11,15,.92);backdrop-filter:blur(12px);z-index:50}
.navbar .brand{font-weight:800;color:var(--text);text-decoration:none;font-size:1.05rem;display:flex;align-items:center;gap:.4rem}
.navbar .nav-links{display:flex;gap:1rem}
.navbar .nav-links a{color:var(--dim);text-decoration:none;font-size:.82rem;transition:color .2s;min-height:44px;display:inline-flex;align-items:center}
.navbar .nav-links a:hover,.navbar .nav-links a.active{color:var(--hover)}
main{max-width:1040px;margin:0 auto;padding:2.5rem 2rem 3rem}
h1{font-size:2.2rem;margin-bottom:.4rem;text-align:center;background:linear-gradient(135deg,#9b59b6,#e84393,#4f8cff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.subtitle{color:var(--dim);font-size:1rem;margin-bottom:1.5rem;text-align:center}
h2{font-size:1.15rem;margin:1.5rem 0 .6rem;color:var(--hover)}
p{margin-bottom:.75rem}a{color:var(--hover)}
ul{margin:0 0 1rem 1.25rem}li{margin-bottom:.4rem}

/* Status banner */
.status-banner{background:var(--card);border:1px solid var(--border2);border-left:4px solid var(--blue);border-radius:12px;padding:1rem 1.25rem;margin-bottom:1.5rem;font-size:.85rem;color:var(--dim)}
.status-banner strong{color:var(--text)}
.status-banner .check{color:var(--green)}
.status-banner .cross{color:var(--red)}

/* Upload areas */
.upload-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}
.upload-area{border:2px dashed var(--border2);border-radius:var(--r);padding:2rem 1rem;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;background:var(--card);position:relative;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.upload-area:hover,.upload-area.dragover{border-color:var(--accent);background:var(--card2)}
.upload-area .icon{font-size:2.5rem;margin-bottom:.5rem}
.upload-area .text{font-size:.95rem;color:var(--text);font-weight:600;margin-bottom:.2rem}
.upload-area .hint{font-size:.75rem;color:var(--dim)}
.upload-area img{max-width:100%;max-height:200px;border-radius:8px;margin-top:.5rem}
.upload-area .face-box{position:absolute;border:2px solid var(--green);border-radius:4px}
.upload-area .label-tag{position:absolute;top:.5rem;left:.5rem;font-size:.7rem;background:var(--accent);color:#fff;padding:.15rem .5rem;border-radius:4px;font-weight:600}

/* Controls */
.controls{background:var(--card);border:1px solid var(--border2);border-radius:var(--r);padding:1.5rem;margin-bottom:1.5rem;display:none}
.controls.show{display:block;animation:fade .2s}
.control-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.control-group label{display:block;font-size:.78rem;color:var(--dim);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.control-group input[type="range"]{width:100%;-webkit-appearance:none;appearance:none;height:6px;background:var(--bg2);border-radius:3px;outline:none}
.control-group input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--accent);border-radius:50%;cursor:pointer}
.control-group input[type="range"]::-moz-range-thumb{width:20px;height:20px;background:var(--accent);border-radius:50%;cursor:pointer;border:none}
.control-label{display:flex;justify-content:space-between;align-items:center}
.control-label .val{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;font-family:"Courier New",monospace}

.btn-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem;justify-content:center}
.btn{background:linear-gradient(135deg,var(--accent),#8e44ad);color:#fff;border:none;border-radius:10px;padding:.75rem 1.8rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:transform .1s,box-shadow .15s;font-family:inherit;min-height:44px;box-shadow:0 4px 14px rgba(155,89,182,.3)}
.btn:hover{box-shadow:0 6px 20px rgba(155,89,182,.45)}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.btn-success{background:linear-gradient(135deg,var(--green),#27ae60);box-shadow:0 4px 14px rgba(46,204,113,.3)}
.btn-secondary{background:var(--bg2);border:1px solid var(--border2);box-shadow:none;color:var(--dim)}
.btn-secondary:hover{background:var(--card);color:var(--text);box-shadow:none}

/* Progress */
.progress-bar{height:4px;background:var(--bg2);border-radius:2px;overflow:hidden;margin:1rem 0;display:none}
.progress-bar.show{display:block}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--pink));border-radius:2px;transition:width .3s;width:0}

/* Result */
.result-wrap{background:var(--card);border:1px solid var(--border2);border-radius:var(--r);padding:1.5rem;margin-bottom:1.5rem;text-align:center;display:none}
.result-wrap.show{display:block;animation:fade .3s}
.result-wrap .label{font-size:.78rem;color:var(--dim);text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:.75rem}
.result-wrap canvas{max-width:100%;border-radius:8px;background:var(--bg)}
.result-wrap img{max-width:100%;border-radius:8px}

/* Loading spinner */
.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-right:.5rem;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{0%{opacity:0}100%{opacity:1}}

.stats-footer{text-align:center;margin:1.5rem 0;font-size:.78rem;color:var(--dim)}
.stats-footer strong{color:var(--hover);font-variant-numeric:tabular-nums}
.stat-divider{margin:0 .6rem;opacity:.4}
footer{text-align:center;padding:1.5rem 2rem;color:var(--dim);font-size:.75rem;border-top:1px solid var(--border)}
footer a{color:var(--hover);text-decoration:none}
.seo-section{color:var(--dim);font-size:.88rem;margin-top:2.5rem;line-height:1.8}
.seo-section h2{color:var(--text)}

.warning-box{background:rgba(255,59,59,.08);border:1px solid rgba(255,59,59,.2);border-radius:12px;padding:1rem 1.25rem;margin-bottom:1.5rem;font-size:.82rem;color:var(--text)}
.warning-box strong{color:var(--red)}

@media(max-width:760px){
  main{padding:2rem 1rem 3rem}
  h1{font-size:1.6rem}
  .navbar{padding:.75rem 1rem}
  .navbar .nav-links{gap:.6rem}
  .upload-row{grid-template-columns:1fr}
  .control-row{grid-template-columns:1fr}
}