body {
    background: #0f172a;
    color: #f8fafc;
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}
.container {
    background: #1e293b;
    padding: 2rem;
    border-radius: 1rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid #334155;
}
h2 {
    text-align: center;
    color: #38bdf8;
    margin-bottom: 1.5rem;
}
.input-box {
    margin-bottom: 1rem;
}
.input-box input {
    width: 100%;
    padding: 0.75rem;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 0.5rem;
    color: white;
    box-sizing: border-box;
}
.check-box {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.btn {
    width: 100%;
    padding: 0.75rem;
    background: #0ea5e9;
    border: none;
    border-radius: 0.5rem;
    color: white;
    font-weight: 600;
    cursor: pointer;
}
.link {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
}
.link a {
    color: #38bdf8;
    text-decoration: none;
}