/* Modern Login Page Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    margin: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

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

.login-header h1 {
    color: #2c3e50;
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
    letter-spacing: -0.5px;
}

.login-header p {
    color: #7f8c8d;
    font-size: 16px;
    margin: 0;
    font-weight: 400;
}

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

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

.form-label {
    display: block;
    color: #2c3e50;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fafbfc;
    color: #2c3e50;
}

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

.form-input::placeholder {
    color: #95a5a6;
    font-weight: 400;
}

.form-input.error {
    border-color: #e74c3c;
    background: #fdf2f2;
}

.input-error {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 6px;
    display: none;
}

.input-error.show {
    display: block;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

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

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

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-full {
    width: 100%;
    margin-bottom: 20px;
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.form-messages {
    margin-top: 20px;
}

.message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    animation: slideIn 0.3s ease;
}

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

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

.message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-success, .logout-success {
    text-align: center;
    padding: 40px;
}

.logout-success {
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #e9ecef;
}

.logout-success .success-icon {
    background: #17a2b8;
}

.logout-success h2 {
    color: #17a2b8;
    margin-bottom: 10px;
}

.logout-success p {
    color: #6c757d;
    margin-bottom: 0;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: #27ae60;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.login-success h2 {
    color: #2c3e50;
    margin: 0 0 10px 0;
    font-size: 24px;
}

.login-success p {
    color: #7f8c8d;
    margin: 0 0 30px 0;
    font-size: 16px;
}

.login-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e1e8ed;
}

.login-footer p {
    color: #95a5a6;
    font-size: 12px;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        margin: 10px;
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
    
    .login-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* Loading States */
.btn-loading .btn-text {
    display: none;
}

.btn-loading .btn-loading {
    display: flex !important;
}

/* Focus Management */
.form-input:focus {
    transform: translateY(-1px);
}

/* Error States */
.form-group.error .form-input {
    border-color: #e74c3c;
    background: #fdf2f2;
}

.form-group.error .input-error {
    display: block;
}

/* Success States */
.form-group.success .form-input {
    border-color: #27ae60;
    background: #f0f9f0;
}