* {
    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;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.admin-login .login-header {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.login-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 700;
}

.login-header h2 {
    font-size: 20px;
    margin-bottom: 8px;
    font-weight: 500;
}

.login-header p {
    font-size: 14px;
    opacity: 0.9;
}

form {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e6ed;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.admin-login .form-group input:focus {
    border-color: #f5576c;
    box-shadow: 0 0 0 4px rgba(245, 87, 108, 0.1);
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
    border: 1px solid #fcc;
}

.error-message:not(:empty) {
    display: block;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.admin-login .btn-login {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.admin-login .btn-login:hover {
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.4);
}

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

.login-footer {
    padding: 20px 30px;
    text-align: center;
    border-top: 1px solid #e0e6ed;
    background: #f8f9fa;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

.admin-login .login-footer a {
    color: #f5576c;
}

.login-footer a:hover {
    text-decoration: underline;
}

.separator {
    color: #ccc;
    margin: 0 10px;
}

@media (max-width: 600px) {
    .login-container {
        padding: 15px;
    }
    
    .login-header {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 26px;
    }
    
    .login-header h2 {
        font-size: 18px;
    }
    
    form {
        padding: 30px 20px;
    }
}