.login-container {
    max-width: 450px;
    margin: 100px auto;
    padding: 0;
}

.login-box {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

.login-header h1 {
    font-size: 2em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.login-header p {
    font-size: 1em;
    opacity: 0.95;
}

.login-form {
    padding: 40px 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    border: 1px solid #f5c6cb;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    border: 1px solid #c3e6cb;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-banner {
    margin-top: 20px;
    padding: 15px;
    background: #e7f3ff;
    border-radius: 8px;
    font-size: 0.9em;
    color: #004085;
    border: 1px solid #b8daff;
}

.login-banner strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.1em;
}

.login-banner code {
    background: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.25s ease-out;
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
    padding-right: 0;
}

.password-rules {
    font-size: 0.85em;
    margin-bottom: 15px;
    padding: 10px 10px 10px 30px;
    color: #666;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #eee;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .login-container {
        margin: 50px auto 20px;
        padding: 0 10px;
        max-width: 100%;
    }

    .login-box {
        border-radius: 10px;
    }

    .login-header {
        padding: 30px 20px;
    }

    .login-header h1 {
        font-size: 1.6em;
    }

    .login-header p {
        font-size: 0.9em;
    }

    .login-form {
        padding: 25px 20px;
    }

    .login-btn {
        padding: 14px;
        font-size: 16px;
    }

    .login-banner {
        font-size: 0.85em;
        padding: 12px;
    }

    .login-banner strong {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .login-container {
        margin: 30px auto 20px;
    }

    .login-header {
        padding: 25px 15px;
    }

    .login-header h1 {
        font-size: 1.4em;
    }

    .login-form {
        padding: 20px 15px;
    }
}