/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
}

.hidden {
    display: none !important;
}

/* Login Screen Styles */
.login-container {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
}

.login-box {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 400px;
    max-width: 90%;
    text-align: center;
}

.login-box .logo-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.login-box .logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.login-box h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: #4285f4;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background-color: #4285f4;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-btn:hover {
    background-color: #3367d6;
}

.error-message {
    color: #d32f2f;
    margin-top: 15px;
    font-size: 14px;
}

/* Admin Panel Styles */
.admin-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Sidebar Styles */
.admin-sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    height: 100vh;
    overflow-y: auto;
}

.admin-logo {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-logo .logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.admin-logo h2 {
    font-size: 18px;
    font-weight: 500;
}

.admin-menu {
    list-style-type: none;
    padding: 20px 0;
}

.admin-menu li {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-menu li:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.admin-menu li.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-left: 4px solid #4285f4;
}

.admin-menu li i {
    width: 20px;
    text-align: center;
}

/* Content Area Styles */
.admin-content {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.admin-header h2 {
    font-size: 24px;
    color: #333;
}

.save-btn {
    padding: 10px 20px;
    background-color: #4285f4;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

.save-btn:hover {
    background-color: #3367d6;
}

.secondary-btn {
    padding: 8px 15px;
    background-color: #f1f3f4;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background-color 0.3s;
}

.secondary-btn:hover {
    background-color: #e8eaed;
}

/* Tab Content Styles */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.settings-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 25px;
    margin-bottom: 25px;
}

.settings-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.settings-card p {
    color: #666;
    margin-bottom: 20px;
    font-size: 14px;
}

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

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #4285f4;
}

.input-with-action {
    position: relative;
    display: flex;
}

.input-with-action input {
    flex-grow: 1;
    padding-right: 40px;
}

.toggle-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
}

.help-text {
    font-size: 12px;
    color: #888;
    margin-top: 5px;
}

/* Range slider styles */
input[type="range"] {
    width: 100%;
    height: 5px;
    -webkit-appearance: none;
    background: #ddd;
    outline: none;
    border-radius: 5px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4285f4;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

.slider-description {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 12px;
    color: #888;
}

/* Checkbox styles */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

/* Radio button styles */
.tone-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 5px;
}

.tone-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tone-option input[type="radio"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Model description */
.model-description {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #4285f4;
}

/* Preview container */
.preview-container {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    margin-top: 15px;
}

.preview-message {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.preview-question {
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.preview-response {
    color: #444;
    line-height: 1.5;
}

/* Analytics styles */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.analytics-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.analytics-card h4 {
    font-size: 14px;
    margin-bottom: 10px;
    color: #666;
}

.analytics-number {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.chart-container {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
}

.chart-container h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #333;
}

.placeholder-chart {
    height: 200px;
    display: flex;
    flex-direction: column;
}

.chart-bars {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 180px;
    padding: 0 10px;
}

.chart-bar {
    width: 30px;
    background-color: #4285f4;
    border-radius: 5px 5px 0 0;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    padding: 0 10px;
}

.chart-labels span {
    font-size: 12px;
    color: #888;
}

.common-questions {
    list-style-type: none;
}

.common-questions li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 15px;
}

.common-questions li:last-child {
    border-bottom: none;
}

.question-count {
    background-color: #4285f4;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* Responsive design */
@media (max-width: 1200px) {
    .analytics-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        width: 200px;
    }
    
    .settings-card {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: sticky;
        top: 0;
        z-index: 100;
    }
    
    .admin-menu {
        display: flex;
        padding: 10px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .admin-menu li {
        padding: 10px 15px;
        white-space: nowrap;
        border-left: none !important;
    }
    
    .admin-logo {
        justify-content: center;
        padding: 10px;
    }
    
    .admin-content {
        padding: 15px;
        height: calc(100vh - 120px);
    }
    
    .analytics-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .login-box {
        width: 90%;
        max-width: 350px;
        padding: 30px;
    }
}

@media (max-width: 576px) {
    .admin-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .admin-actions {
        width: 100%;
        display: flex;
        justify-content: flex-end;
    }
    
    .settings-card {
        padding: 15px;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .tone-options {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevent zoom on mobile */
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    
    .login-box,
    .settings-card,
    .admin-content {
        background-color: #2d2d2d;
        color: #ffffff;
    }
    
    .input-group input,
    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group select,
    .form-group textarea {
        background-color: #3d3d3d;
        color: #ffffff;
        border-color: #4d4d4d;
    }
    
    .admin-sidebar {
        background-color: #2d2d2d;
    }
    
    .preview-container {
        background-color: #3d3d3d;
    }
    
    .preview-message {
        background-color: #4d4d4d;
        color: #ffffff;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .admin-menu li:hover {
        background-color: transparent;
    }
    
    .admin-menu li:active {
        background-color: rgba(255, 255, 255, 0.1);
    }
}

/* Accessibility improvements */
:focus {
    outline: 2px solid #4285f4;
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 5px;
    background-color: white;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: transform 0.3s, opacity 0.3s;
    transform: translateY(0);
    opacity: 1;
}

.notification-info {
    border-left: 4px solid #4285f4;
}

.notification-success {
    border-left: 4px solid #0f9d58;
}

.notification-warning {
    border-left: 4px solid #f4b400;
}

.notification-error {
    border-left: 4px solid #db4437;
}

.notification-hide {
    transform: translateY(-20px);
    opacity: 0;
}