/* Modern Login Page Styles */
* {
    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: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
    animation: fadeInUp 0.6s ease-out;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.logo i {
    font-size: 2.5rem;
    color: #667eea;
    margin-right: 15px;
}

.logo h1 {
    color: #333;
    font-size: 2rem;
    font-weight: 700;
}

.login-header p {
    color: #666;
    font-size: 1rem;
    line-height: 1.5;
}

.error-message {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: shake 0.5s ease-in-out;
}

.error-message i {
    font-size: 1.1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: #667eea;
    font-size: 1rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 5px;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #667eea;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: #666;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 5px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
}

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

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

.login-footer {
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 25px;
}

.login-footer p {
    margin-bottom: 10px;
    color: #666;
    font-size: 0.9rem;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 25px;
        margin: 10px;
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group input[type="email"] {
        padding: 12px 15px;
    }
    
    .login-btn {
        padding: 12px;
        font-size: 1rem;
    }
}

/* Loading State */
.login-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}