/* ═══════════════════════════════════════════════════════════════════════════
   Avatar Renderer MCP — Enterprise UI Theme
   ═══════════════════════════════════════════════════════════════════════════ */
:root {
  --primary: rgba(0,150,255,0.85);
  --secondary: rgba(138,43,226,0.75);
  --accent: rgba(0,255,200,0.65);
  --bg: #07071e;
  --bg-card: rgba(20,20,38,0.95);
  --border: rgba(34,211,238,0.12);
  --text: #fff;
  --text-dim: #94a3b8;
  --radius: 12px;
  --shadow: 0 12px 26px rgba(0,0,0,.45), 0 -12px 26px rgba(255,255,255,.03);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:
    radial-gradient(1200px 600px at 10% 10%,rgba(0,150,255,.12),transparent 60%),
    radial-gradient(900px 500px at 90% 20%,rgba(138,43,226,.10),transparent 55%),
    linear-gradient(135deg,#07071e,#000);
  color:var(--text);min-height:100vh;overflow-x:hidden;
}

/* ── Utilities ────────────────────────────────────────────────────────────── */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.text-center{text-align:center}
.gradient-text{background:linear-gradient(135deg,#22d3ee,#818cf8,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.divider{height:1px;max-width:800px;margin:5rem auto;background:linear-gradient(90deg,transparent,rgba(34,211,238,.4),transparent)}
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}.fade-in.visible{opacity:1;transform:none}

/* ── Navbar ───────────────────────────────────────────────────────────────── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 0;background:rgba(0,0,0,.3);backdrop-filter:blur(16px);border-bottom:1px solid rgba(34,211,238,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.5rem}
.brand-icon{width:2rem;height:2rem;border-radius:.5rem;background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.brand-text{font-size:1.15rem;font-weight:700;background:linear-gradient(90deg,#22d3ee,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:2rem}.nav-link{color:var(--text-dim);text-decoration:none;font-size:.9rem;transition:color .2s}.nav-link:hover{color:#22d3ee}
@media(max-width:768px){.nav-links{display:none}}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.5rem;border-radius:.5rem;border:none;cursor:pointer;font-weight:600;font-size:.9rem;transition:all .2s;text-decoration:none;color:#fff}
.btn-sm{padding:.5rem 1.25rem;font-size:.85rem}
.btn-lg{padding:1rem 2.5rem;font-size:1.1rem;border-radius:.75rem}
.btn-primary{background:linear-gradient(135deg,#0891b2,#3b82f6)}
.btn-primary:hover{filter:brightness(1.15);transform:translateY(-1px)}
.btn-secondary{background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.25);color:#a5f3fc}
.btn-secondary:hover{background:rgba(34,211,238,.15)}
.btn-success{background:linear-gradient(135deg,#059669,#06b6d4);color:#fff}
.btn-success:hover{filter:brightness(1.15)}
.btn-success:disabled{opacity:.5;cursor:not-allowed;filter:none}
.btn-purple{background:linear-gradient(135deg,#7c3aed,#db2777);color:#fff}
.btn-purple:hover{filter:brightness(1.15)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;margin-left:1rem}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-danger-outline{background:transparent;border:1px solid rgba(239,68,68,.4);color:#f87171}
.btn-danger-outline:hover{background:rgba(239,68,68,.1)}
.btn-generate{padding:1.25rem 3rem;border-radius:1rem;font-weight:700;font-size:1.15rem;background:linear-gradient(135deg,#059669,#0891b2);color:#fff;border:none;cursor:pointer;transition:all .2s}
.btn-generate:hover{filter:brightness(1.15);transform:scale(1.03)}
.btn-generate:disabled{opacity:.5;cursor:not-allowed;filter:none;transform:none}
.btn-row{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}
.glow-effect{position:relative}.glow-effect::after{content:'';position:absolute;inset:-2px;border-radius:inherit;background:linear-gradient(45deg,var(--primary),var(--secondary));z-index:-1;filter:blur(14px);opacity:0;transition:opacity .25s}.glow-effect:hover::after{opacity:.6}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding-top:5rem}
.hero-title{font-size:clamp(2.5rem,7vw,4.5rem);font-weight:800;line-height:1.1;margin-bottom:1.5rem}
.hero-subtitle{font-size:clamp(1rem,2.5vw,1.25rem);color:var(--text-dim);max-width:700px;margin:0 auto 3rem}
.hero-mockup{max-width:800px;margin:0 auto 3rem}
.mockup-frame{position:relative;border-radius:1rem;overflow:hidden;box-shadow:0 0 50px rgba(0,150,255,.25);border:1px solid rgba(34,211,238,.2)}
.mockup-content{aspect-ratio:16/9;background:linear-gradient(135deg,#111827,#000);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1rem}
.mockup-label{color:#6b7280;font-size:.9rem}
.waveform-bars{display:flex;align-items:flex-end;gap:3px;height:30px}
.waveform-bars span{width:4px;background:linear-gradient(to top,#22d3ee,#818cf8);border-radius:2px;animation:wave 1.5s ease-in-out infinite}
.waveform-bars span:nth-child(1){animation-delay:0s}.waveform-bars span:nth-child(2){animation-delay:.1s}
.waveform-bars span:nth-child(3){animation-delay:.2s}.waveform-bars span:nth-child(4){animation-delay:.3s}
.waveform-bars span:nth-child(5){animation-delay:.4s}.waveform-bars span:nth-child(6){animation-delay:.5s}
.waveform-bars span:nth-child(7){animation-delay:.6s}
@keyframes wave{0%,100%{height:5px}50%{height:25px}}
.hero-particle{position:absolute;border-radius:50%;filter:blur(1px);opacity:.4}
.p1{top:25%;left:3%;width:12px;height:12px;background:#22d3ee}
.p2{bottom:25%;right:3%;width:18px;height:18px;background:#818cf8}

/* ── Status Bar ───────────────────────────────────────────────────────────── */
.status-bar{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;padding:1rem 0}
.sys-badge{display:inline-flex;padding:.3rem .75rem;border-radius:20px;font-size:.8rem;font-weight:600}
.sys-badge.ok{background:rgba(16,185,129,.15);color:#34d399;border:1px solid rgba(16,185,129,.3)}
.sys-badge.warn{background:rgba(234,179,8,.15);color:#fbbf24;border:1px solid rgba(234,179,8,.3)}
.sys-badge.err{background:rgba(239,68,68,.15);color:#f87171;border:1px solid rgba(239,68,68,.3)}
.sys-badge.loading{background:rgba(100,116,139,.15);color:#94a3b8;border:1px solid rgba(100,116,139,.3)}

/* ── Sections ─────────────────────────────────────────────────────────────── */
.section{padding:5rem 0}
.section-header{text-align:center;margin-bottom:3rem}
.section-title{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:1rem}
.section-desc{font-size:1.15rem;color:var(--text-dim);max-width:600px;margin:0 auto}

/* ── Steps ────────────────────────────────────────────────────────────────── */
.step{margin-bottom:4rem}
.step-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}
.step-number{width:3rem;height:3rem;border-radius:50%;background:linear-gradient(135deg,#0891b2,#3b82f6);display:flex;align-items:center;justify-content:center;font-size:1.15rem;font-weight:700;flex-shrink:0}
.step-header h3{font-size:1.4rem;font-weight:600}
.step-hint{color:var(--text-dim);font-size:.85rem;margin-left:auto}

/* ── Avatar Grid ──────────────────────────────────────────────────────────── */
.avatar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem;margin-bottom:1.5rem}
.avatar-tile{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--bg-card);cursor:pointer;transition:all .25s;padding:.75rem}
.avatar-tile:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.3);box-shadow:0 12px 36px rgba(0,0,0,.4)}
.avatar-tile.selected{border-color:rgba(34,211,238,.6);box-shadow:0 0 0 2px rgba(34,211,238,.2),0 16px 48px rgba(0,0,0,.5)}
.avatar-tile img{width:100%;height:120px;object-fit:cover;border-radius:8px;margin-bottom:.5rem;background:#1e293b}
.avatar-tile .name{font-weight:600;font-size:.85rem;text-align:center}
.avatar-tile .desc{color:var(--text-dim);font-size:.75rem;text-align:center}

/* ── Upload Zone ──────────────────────────────────────────────────────────── */
.upload-divider{text-align:center;position:relative;padding:1rem 0}.upload-divider::before,.upload-divider::after{content:'';position:absolute;top:50%;width:calc(50% - 200px);height:1px;background:rgba(34,211,238,.2)}.upload-divider::before{left:0}.upload-divider::after{right:0}
.upload-divider span{color:var(--text-dim);font-size:.85rem;padding:0 1rem;background:transparent}
.upload-zone{display:flex;align-items:center;justify-content:center;width:100%;max-width:600px;margin:1.5rem auto;height:8rem;border:2px dashed rgba(34,211,238,.25);border-radius:var(--radius);cursor:pointer;transition:all .2s}
.upload-zone:hover{border-color:#22d3ee;background:rgba(34,211,238,.03)}
.upload-content{text-align:center;color:var(--text-dim)}
.upload-icon{color:#22d3ee;margin-bottom:.5rem}
.upload-content small{color:#64748b;font-size:.75rem}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:1.25rem;padding:2rem;box-shadow:var(--shadow)}
textarea{width:100%;height:8rem;resize:vertical;background:rgba(0,0,0,.3);border:1px solid rgba(34,211,238,.2);border-radius:.75rem;padding:1rem;color:#fff;font-family:inherit;font-size:.95rem;margin-bottom:1.5rem}
textarea:focus{outline:none;border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
.form-group label{display:block;color:var(--text-dim);font-size:.85rem;margin-bottom:.5rem}
select,.file-input{width:100%;padding:.65rem 1rem;background:rgba(0,0,0,.3);border:1px solid rgba(34,211,238,.2);border-radius:.5rem;color:#fff;font-size:.9rem}
select:focus,.file-input:focus{outline:none;border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.file-label{color:#22d3ee;font-size:.8rem;margin-top:.3rem;min-height:1.2em}
.hint-text{color:var(--text-dim);font-size:.85rem;margin-top:1rem}

/* ── Enhancements ─────────────────────────────────────────────────────────── */
.enh-section{margin-bottom:1.5rem}
.enh-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}
.enh-header label{color:var(--text-dim);font-size:.85rem}
#enh-count{color:var(--text-dim);font-size:.8rem}
.enh-grid{display:flex;flex-wrap:wrap;gap:.5rem}
.enh-toggle{cursor:pointer;display:inline-block}
.enh-toggle input{display:none}
.enh-chip{display:inline-block;padding:.35rem .85rem;border-radius:20px;font-size:.8rem;font-weight:500;color:var(--enh-color,#94a3b8);border:1px solid var(--enh-color,#333);opacity:.45;transition:all .2s;background:transparent}
.enh-toggle input:checked+.enh-chip{opacity:1;background:color-mix(in srgb,var(--enh-color) 15%,transparent);box-shadow:0 0 8px color-mix(in srgb,var(--enh-color) 20%,transparent)}
.enh-toggle:hover .enh-chip{opacity:.75}

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner{width:1.25rem;height:1.25rem;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Video Result ─────────────────────────────────────────────────────────── */
.result-frame{max-width:800px;margin:0 auto}
.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1.5rem;overflow:hidden;padding:.5rem;box-shadow:0 0 50px rgba(0,150,255,.2)}
.video-container{aspect-ratio:16/9;border-radius:1rem;overflow:hidden;position:relative;background:linear-gradient(135deg,#111827,#000)}
#video-player{width:100%;height:100%;object-fit:cover}
.video-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;color:#6b7280}
.progress-overlay{position:absolute;inset:0;background:rgba(0,0,0,.85);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10}
.progress-ring-wrap{position:relative;width:8rem;height:8rem;margin-bottom:1.5rem}
.progress-ring{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(34,211,238,.15);stroke-width:8}
.ring-fg{fill:none;stroke:#22d3ee;stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .4s}
.progress-pct{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700}
.progress-status{color:#67e8f9;font-size:1.05rem;font-weight:500}
.result-actions{display:flex;gap:1rem;justify-content:center;margin-top:1.5rem;flex-wrap:wrap}

/* ── Use Cases ────────────────────────────────────────────────────────────── */
.usecase-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}
.usecase-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1.25rem;padding:2rem;transition:all .25s}
.usecase-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.4),0 0 30px color-mix(in srgb,var(--card-color) 10%,transparent);border-color:color-mix(in srgb,var(--card-color) 25%,transparent)}
.usecase-icon{width:3.5rem;height:3.5rem;border-radius:.75rem;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem}
.usecase-card h3{font-size:1.15rem;font-weight:600;margin-bottom:.5rem}
.usecase-card p{color:var(--text-dim);font-size:.9rem;line-height:1.5}

/* ── Tech ─────────────────────────────────────────────────────────────────── */
.tech-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:2rem;max-width:800px;margin:0 auto}
.tech-item{text-align:center;padding:1.5rem}
.tech-icon{width:3rem;height:3rem;border-radius:.5rem;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.tech-item h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem}
.tech-item p{color:var(--text-dim);font-size:.9rem}
.cta-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer{padding:3rem 0;border-top:1px solid rgba(34,211,238,.15)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-copy{color:#64748b;font-size:.85rem;margin-top:.5rem}
.footer-links{display:flex;gap:1.5rem}
.footer-link{color:#64748b;transition:color .2s}.footer-link:hover{color:#22d3ee}