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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.login-container {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    text-align: center;
}

.login-header {
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 2.2em;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

.login-header h1 i {
    color: #667eea;
    margin-right: 10px;
}

.login-header p {
    color: #7f8c8d;
    font-size: 1.1em;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid #fcc;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.error-message i {
    font-size: 1.2em;
}

.login-form {
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95em;
}

.form-group label i {
    margin-right: 8px;
    color: #667eea;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e6ed;
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s ease;
    background-color: #f8fafc;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background-color: white;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-footer {
    border-top: 1px solid #e0e6ed;
    padding-top: 20px;
    color: #7f8c8d;
    font-size: 0.9em;
}

.login-footer p {
    margin-bottom: 5px;
}

.login-footer strong {
    color: #2c3e50;
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    gap: 8px;
}

.back-link:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 1.8em;
    }
    
    .form-group input {
        padding: 12px;
    }
    
    .login-btn {
        padding: 12px;
    }
}