* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f3f5f7;

    min-height: 100vh;

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

.login-container {
    width: 100%;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;

    margin: auto;

    background: white;

    border-radius: 12px;

    padding: 40px;

    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.08);
}

.brand {
    text-align: center;
    margin-bottom: 35px;
}

.brand h1 {
    margin: 0;
    font-size: 30px;
    color: #1f2937;
}

.brand p {
    margin-top: 8px;
    color: #6b7280;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;

    font-size: 14px;
    font-weight: 600;

    color: #374151;
}

.form-group input {
    width: 100%;

    padding: 12px 14px;

    border: 1px solid #d1d5db;
    border-radius: 7px;

    font-size: 15px;

    outline: none;
}

.form-group input:focus {
    border-color: #374151;
}

button {
    width: 100%;

    padding: 13px;

    border: none;
    border-radius: 7px;

    background: #1f2937;
    color: white;

    font-size: 15px;
    font-weight: bold;

    cursor: pointer;
}

button:hover {
    background: #111827;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;

    border-radius: 6px;

    padding: 12px;

    margin-bottom: 20px;

    font-size: 14px;
}

.footer-login {
    text-align: center;

    margin-top: 25px;

    color: #9ca3af;

    font-size: 12px;
}