:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#0f172a;background:#f8fafc;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at top left,rgba(59,130,246,.08),transparent 24%),linear-gradient(180deg,#f8fafc,#eef2ff)}button,input,select{font:inherit}.page-shell{min-height:100vh;padding:32px 16px}.container{max-width:960px;margin:0 auto}.hero-card{background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(226,232,240,.9);border-radius:28px;padding:28px;box-shadow:0 20px 60px #0f172a14}.hero-head{display:flex;gap:16px;align-items:center;margin-bottom:28px}.hero-icon{width:56px;height:56px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:26px;background:#0f172a;color:#fff;flex:0 0 auto}.hero-head h1{margin:0;font-size:32px;line-height:1.15}.hero-head p{margin:8px 0 0;color:#475569}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.field{display:flex;flex-direction:column;gap:8px}.field-wide{grid-column:1 / -1}.field-label{font-weight:600;color:#0f172a}input,select{width:100%;height:48px;border-radius:14px;border:1px solid #cbd5e1;background:#fff;padding:0 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}input:focus,select:focus{border-color:#2563eb;box-shadow:0 0 0 4px #2563eb1f}input[readonly]{background:#f8fafc;color:#334155}.field-error{font-size:13px;color:#dc2626}.field-hint{font-size:13px;color:#64748b}.alert{margin-top:24px;border-radius:16px;padding:14px 16px;font-weight:500}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}.alert-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}.actions{display:flex;justify-content:flex-end;gap:12px;margin-top:28px;flex-wrap:wrap}.btn{height:48px;border-radius:16px;padding:0 18px;border:none;cursor:pointer;font-weight:600;transition:transform .15s ease,opacity .15s ease,box-shadow .2s ease}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:#0f172a;color:#fff;box-shadow:0 10px 24px #0f172a2e}.btn-secondary{background:#fff;color:#0f172a;border:1px solid #cbd5e1}@media (max-width: 768px){.hero-card{padding:20px;border-radius:24px}.hero-head{align-items:flex-start}.hero-head h1{font-size:26px}.form-grid{grid-template-columns:1fr}.field-wide{grid-column:auto}.actions{flex-direction:column}.btn{width:100%}}