* {
    box-sizing: border-box;
}

body {

    margin: 0;

    min-height: 100vh;

    font-family:
        Arial,
        sans-serif;

    background: #0b1120;

    color: #ffffff;

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 20px;
}


.auth-container {

    width: 100%;

    max-width: 420px;
}


.auth-card {

    background: #111827;

    border: 1px solid #1f2937;

    border-radius: 16px;

    padding: 30px;

    box-shadow:
        0 20px 50px
        rgba(0, 0, 0, 0.35);
}


h1 {

    margin: 0;

    text-align: center;

    font-size: 25px;
}


.subtitle {

    text-align: center;

    color: #94a3b8;

    margin:
        8px 0 25px;
}


label {

    display: block;

    margin-bottom: 7px;

    font-size: 14px;

    font-weight: 600;
}


input {

    width: 100%;

    padding: 13px;

    margin-bottom: 18px;

    border:
        1px solid #374151;

    border-radius: 10px;

    background: #0f172a;

    color: #ffffff;

    font-size: 15px;

    outline: none;
}


input:focus {

    border-color: #64748b;
}


button {

    width: 100%;

    padding: 13px;

    border: none;

    border-radius: 10px;

    background: #2563eb;

    color: #ffffff;

    font-size: 15px;

    font-weight: 700;

    cursor: pointer;
}


button:disabled {

    opacity: 0.6;

    cursor: not-allowed;
}


.message {

    margin-top: 18px;

    text-align: center;

    font-size: 14px;
}


.message.success {

    color: #22c55e;
}


.message.error {

    color: #ef4444;
}