* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;

    min-height: 100vh;

    font-family: Arial, sans-serif;

    background: #111827;

    color: #ffffff;

    display: flex;
    justify-content: center;
    align-items: center;
}

.account-container {
    width: 100%;
    max-width: 450px;

    padding: 20px;
}

.account-box {
    background: #1f2937;

    padding: 35px;

    border-radius: 12px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.account-box h1 {
    margin-top: 0;
    margin-bottom: 8px;

    text-align: center;

    font-size: 30px;
}

.account-subtitle {
    margin-top: 0;
    margin-bottom: 30px;

    text-align: center;

    color: #9ca3af;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;

    margin-bottom: 7px;

    font-size: 14px;

    color: #d1d5db;
}

.input-group input {
    width: 100%;

    padding: 13px 14px;

    border: 1px solid #374151;

    border-radius: 7px;

    background: #111827;

    color: #ffffff;

    font-size: 16px;

    outline: none;
}

.input-group input:focus {
    border-color: #60a5fa;
}

.account-box button {
    width: 100%;

    padding: 14px;

    border: none;

    border-radius: 7px;

    background: #2563eb;

    color: white;

    font-size: 16px;

    font-weight: bold;

    cursor: pointer;
}

.account-box button:hover {
    background: #1d4ed8;
}

.account-link {
    margin-top: 25px;

    text-align: center;

    color: #9ca3af;
}

.account-link a {
    color: #60a5fa;

    text-decoration: none;
}

.account-link a:hover {
    text-decoration: underline;
}