:root {
    --bg: #09090b;
    --card: #18181b;
    --text-main: #fcfcfc;
    --text-muted: #a1a1aa;
    --border: #27272a;
    --accent: #ffffff;
    --accent-fg: #000000;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg); color: var(--text-main); line-height: 1.6;
    margin: 0; padding: 60px 20px; display: flex; flex-direction: column; align-items: center;
    -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: 440px; }

.card {
    background: var(--card); border: 1px solid var(--border); border-radius: 20px;
    padding: 40px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); margin-bottom: 24px;
}

h1 { font-size: 2rem; font-weight: 800; text-align: center; margin-top: 0; margin-bottom: 30px; letter-spacing: -0.02em; }

label { display: block; font-weight: 500; margin-bottom: 8px; font-size: 0.9em; color: var(--text-muted); }

input[type="text"], input[type="email"], input[type="password"], select, textarea {
    width: 100%; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px;
    margin-bottom: 20px; box-sizing: border-box; font-size: 1rem; font-family: inherit;
    transition: all 0.2s; background: rgba(255,255,255,0.03); color: white;
}

input:focus, select:focus, textarea:focus { outline: none; border-color: var(--text-main); background: rgba(255,255,255,0.06); }

button, .btn {
    display: inline-block; width: 100%; background: var(--accent); color: var(--accent-fg); border: none;
    padding: 16px 24px; border-radius: 999px; font-weight: 700; font-size: 1rem; cursor: pointer;
    text-align: center; text-decoration: none; transition: transform 0.2s, background 0.2s; box-sizing: border-box;
}

button:hover, .btn:hover { background: #e4e4e7; transform: scale(1.02); }