*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
       background: #0f172a; color: #e2e8f0; min-height: 100vh;
       display: flex; align-items: center; justify-content: center; }
.card { background: #1e293b; border-radius: 12px; padding: 2rem; width: 100%; max-width: 380px; }
h1 { font-size: 1.4rem; font-weight: 800; margin-bottom: 1.5rem; }
h1 em { color: #60a5fa; font-style: normal; }
label { display: block; font-size: 0.78rem; color: #94a3b8; margin-bottom: 0.3rem; }
input { width: 100%; background: #0f172a; border: 1px solid #334155; color: #e2e8f0;
        padding: 0.6rem 0.75rem; border-radius: 6px; font-size: 0.9rem; margin-bottom: 1rem; }
input:focus { outline: none; border-color: #60a5fa; }
button { width: 100%; background: #2563eb; color: #fff; border: none;
         padding: 0.7rem; border-radius: 6px; font-size: 0.9rem; font-weight: 600;
         cursor: pointer; margin-top: 0.5rem; }
button:hover { background: #1d4ed8; }
.err { color: #f87171; font-size: 0.82rem; margin-bottom: 1rem; }
.link { text-align: center; margin-top: 1rem; font-size: 0.82rem; color: #64748b; }
.link a { color: #60a5fa; text-decoration: none; }