:root{--bg: #f5f6f8;--surface: #ffffff;--ink: #131720;--muted: #5c6573;--border: #e5e8ed;--brand: #4f46e5;--brand-dark: #4338ca;--header: #0f1422;--radius: 12px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}.topbar{background:var(--header);color:#fff}.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:56px}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;letter-spacing:.2px}.brand .wave{display:flex;align-items:flex-end;gap:2px;height:18px}.brand .wave i{width:3px;border-radius:2px;background:var(--brand);display:block}.container{max-width:720px;margin:0 auto;padding:0 20px}main.container{padding-top:28px;padding-bottom:56px}h2.section{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 12px;font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.stack{display:grid;gap:24px}.badge{display:inline-block;font-size:12px;padding:2px 9px;border-radius:20px;background:#eef0f4;color:var(--muted)}.badge.brand{background:#ecebfd;color:var(--brand-dark)}.muted{color:var(--muted)}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}audio{width:100%;margin-top:14px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:20px;padding:6px 13px;font-size:14px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .12s ease}.chip:hover{border-color:#cfd4dc}.chip.active{border-color:var(--brand);background:#f0effe;color:var(--brand-dark);font-weight:500}.chip input{display:none}.btn{font:inherit;font-size:14px;border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:8px;padding:9px 16px;cursor:pointer;transition:all .12s ease}.btn:hover{background:#f7f8fa}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-dark)}.btn.ghost{background:transparent;border-color:#ffffff40;color:#fff}.btn.ghost:hover{background:#ffffff1a}.field{display:grid;gap:5px}.field label{font-size:13px;color:var(--muted)}input,select{font:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--ink);width:100%}input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #ecebfd}.login-wrap{max-width:360px;margin:64px auto 0}.login-wrap h1{font-size:22px;margin:0 0 4px}.login-wrap .sub{color:var(--muted);margin:0 0 24px;font-size:14px}.error{color:#b42318;font-size:13px}@keyframes db-eq{0%,to{transform:scaleY(.16)}50%{transform:scaleY(1)}}@keyframes db-pulse{0%{box-shadow:0 0 #6366f173}70%{box-shadow:0 0 0 13px #6366f100}to{box-shadow:0 0 #6366f100}}.beta-badge{font-size:10px;font-weight:500;letter-spacing:.4px;text-transform:uppercase;background:#ecebfd;color:var(--brand-dark);padding:1px 6px;border-radius:6px;margin-left:7px}.hero{display:grid;grid-template-columns:1.02fr .98fr;gap:28px;align-items:center}@media (max-width: 680px){.hero{grid-template-columns:1fr;gap:26px}}.admin-shell{display:grid;grid-template-columns:176px 1fr;gap:28px;align-items:start}.admin-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:20px}.admin-nav a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none}.admin-nav a:hover{background:#f0f1f4;color:var(--ink)}.admin-nav a.active{background:#ecebfd;color:var(--brand-dark);font-weight:500}@media (max-width: 640px){.admin-shell{grid-template-columns:1fr;gap:14px}.admin-nav{flex-direction:row;flex-wrap:wrap;position:static}}