:root {
    --primary: #003B73;
    --secondary: #0074B7;
    --accent: #00C4FF;
    --neutral: #F5F7FA;
    --success: #00C897;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: #ffffff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 420px;
    align-items: center;
    justify-items: center;
}

.login-container h1 {
    margin-bottom: 10px;
    color: var(--primary);
    text-align: center;
}

.login-container p {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.login-container input[type="email"],
.login-container input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 10px 0 20px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

.login-container button {
    width: 100%;
    padding: 12px;
    background-color: var(--success);
    color: #fff;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-container button:hover {
    background-color: #00b387;
}

.footer-text {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9em;
    color: #999;
}

.alert-error {
    background-color: #ffe0e0;
    border: 1px solid #ff4e4e;
    color: #b30000;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
}