* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-container {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 2.5rem;
    z-index: 10;
    position: relative;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #ecf0f1;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.form-group.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.5rem;
    cursor: pointer;
}

.form-group.checkbox label {
    margin: 0;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
    min-height: 1.2rem;
}

.btn-login {
    width: 100%;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.login-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #ecf0f1;
    text-align: center;
    color: #7f8c8d;
    font-size: 0.85rem;
}

.login-footer p {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.login-footer small {
    display: block;
    color: #95a5a6;
    font-size: 0.8rem;
}

.login-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    border-radius: 12px;
    z-index: -1;
    filter: blur(40px);
}

.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

@media (max-width: 600px) {
    .login-box {
        padding: 2rem;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }
}