/* CSS Variables for theming */
:root {
    /* Light theme (default) */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e9ecef;
    --text-primary: #333333;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #e9ecef;
    --border-color-light: #f8f9fa;
    --accent-primary: #007bff;
    --accent-secondary: #0056b3;
    --success: #28a745;
    --warning: #ffc107;
    --error: #dc3545;
    --info: #17a2b8;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-light: rgba(0, 0, 0, 0.05);
    --code-bg: #f8f9fa;
    --input-bg: #ffffff;
}

[data-theme="dark"] {
    /* Dark theme */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --border-color: #30363d;
    --border-color-light: #21262d;
    --accent-primary: #58a6ff;
    --accent-secondary: #1f6feb;
    --success: #3fb950;
    --warning: #d29922;
    --error: #f85149;
    --info: #79c0ff;
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-light: rgba(0, 0, 0, 0.3);
    --code-bg: #0d1117;
    --input-bg: #0d1117;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px var(--shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    transition: color 0.3s ease;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Theme toggle button */
.theme-toggle {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--shadow);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-icon {
    font-size: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(20deg) scale(1.1);
}

/* Add a subtle glow effect for dark theme */
[data-theme="dark"] .theme-toggle {
    box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.1);
}

[data-theme="dark"] .theme-toggle:hover {
    box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.3), 0 4px 12px var(--shadow);
}

/* Container layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    min-height: calc(100vh - 60px);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    box-shadow: 2px 0 4px var(--shadow-light);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.tool-nav {
    list-style: none;
}

.tool-nav li {
    margin-bottom: 5px;
}

.nav-link {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0 25px 25px 0;
    margin-right: 20px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.nav-link.active {
    background: var(--accent-primary);
    color: white;
}

/* Main content */
.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* Tool panels */
.tool-panel {
    display: none;
    background: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow);
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.tool-panel.active {
    display: block;
}

.tool-header {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.tool-header h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.tool-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Form elements */
.input-panel, .results-panel {
    padding: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.25);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group.flex-2 {
    flex: 2;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-secondary);
}

.btn-secondary {
    background: var(--text-secondary);
    color: white;
}

.btn-secondary:hover {
    background: var(--text-muted);
}

.btn-copy {
    background: var(--success);
    color: white;
    padding: 8px 16px;
    font-size: 12px;
}

.btn-copy:hover {
    background: var(--success);
    opacity: 0.8;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* Action panel */
.action-panel {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    transition: border-color 0.3s ease;
}

/* Endpoint panel */
.endpoint-panel {
    padding: 20px 30px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.url-display {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.url-display input {
    flex: 1;
    font-family: 'Monaco', 'Menlo', monospace;
    background: var(--input-bg);
    font-size: 13px;
}

/* Requests panel */
.requests-panel {
    padding: 20px 30px;
}

.requests-list {
    max-height: 500px;
    overflow-y: auto;
}

.request-item {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 15px;
}

.request-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.request-method {
    background: #007bff;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.request-time {
    color: #6c757d;
    font-size: 12px;
}

.request-details {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 12px;
    background: white;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #e9ecef;
    max-height: 200px;
    overflow-y: auto;
}

/* Results panels */
.results-panel {
    border-top: 1px solid #e9ecef;
    background: #f8f9fa;
}

.result-section {
    margin-bottom: 25px;
}

.result-section h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.result-section pre {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
    overflow-x: auto;
    font-size: 13px;
}

/* JWT sections */
.jwt-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.jwt-section {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 20px;
}

.jwt-section h3 {
    margin-bottom: 15px;
    color: #007bff;
}

.jwt-section pre {
    background: #f8f9fa;
    border: none;
    border-radius: 4px;
    padding: 15px;
    font-size: 12px;
    max-height: 300px;
    overflow-y: auto;
}

/* Stats grid for API tester */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 20px;
    text-align: center;
}

.stat-card h4 {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: #007bff;
}

/* Socket.IO Testing Interface */
.socket-config-panel {
    padding: 20px 30px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.socket-config-panel h3 {
    color: var(--accent-primary);
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.socket-container {
    display: flex;
    height: 700px;
}

.socket-sidebar {
    width: 320px;
    background: var(--bg-tertiary);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    overflow-y: auto;
    transition: all 0.3s ease;
}

.socket-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.connection-status {
    margin-top: 15px;
    padding: 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.status-connected {
    color: #28a745;
    font-weight: 500;
    margin-bottom: 5px;
}

.status-disconnected {
    color: #dc3545;
    font-weight: 500;
    margin-bottom: 5px;
}

.socket-logs {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: white;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
}

.socket-input {
    padding: 20px;
    display: flex;
    gap: 10px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.socket-input input {
    flex: 1;
}

/* Event panels */
.event-panel, .listeners-panel, .presets-panel {
    margin-bottom: 25px;
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
}

.event-panel h4, .listeners-panel h4, .presets-panel h4 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1rem;
}

.active-listeners {
    max-height: 150px;
    overflow-y: auto;
}

.listener-item {
    background: #e3f2fd;
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.listener-name {
    font-weight: 500;
    color: #007bff;
}

.listener-remove {
    color: #dc3545;
    cursor: pointer;
    font-weight: bold;
}

.preset-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

/* Log entries */
.log-entry {
    margin-bottom: 12px;
    padding: 8px 12px;
    border-radius: 4px;
    border-left: 4px solid #e9ecef;
}

.log-entry.sent {
    background: #e8f5e8;
    border-left-color: #28a745;
}

.log-entry.received {
    background: #e3f2fd;
    border-left-color: #007bff;
}

.log-entry.error {
    background: #f8d7da;
    border-left-color: #dc3545;
}

.log-entry.connection {
    background: #fff3cd;
    border-left-color: #ffc107;
}

.log-timestamp {
    font-size: 11px;
    color: #6c757d;
    margin-bottom: 4px;
}

.log-type {
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.log-type.sent { color: #28a745; }
.log-type.received { color: #007bff; }
.log-type.error { color: #dc3545; }
.log-type.connection { color: #ffc107; }

.log-event {
    font-weight: 500;
    margin-bottom: 2px;
}

.log-data {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 11px;
    white-space: pre-wrap;
    background: rgba(0,0,0,0.05);
    padding: 4px 6px;
    border-radius: 3px;
    max-height: 150px;
    overflow-y: auto;
}

/* Socket info display */
#socket-info {
    font-size: 12px;
    color: #6c757d;
    margin-top: 5px;
}

#socket-info .info-item {
    margin-bottom: 3px;
}

.welcome-message {
    text-align: center;
    color: #6c757d;
    margin-top: 50px;
}

.welcome-message ul {
    text-align: left;
    max-width: 400px;
    margin: 20px auto;
}

/* Responsive updates */
@media (max-width: 768px) {
    .socket-container {
        flex-direction: column;
        height: auto;
    }
    
    .socket-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #e9ecef;
    }
    
    .preset-buttons {
        grid-template-columns: 1fr;
    }
}

/* JSON Formatter Styles */
.json-container {
    display: flex;
    height: 800px;
    gap: 20px;
    padding: 20px;
}

.json-input-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.json-output-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.json-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.json-textarea-container {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
}

#json-input {
    flex: 1;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    resize: none;
    background: var(--code-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    line-height: 1.4;
    min-height: 300px;
}

.validation-status {
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    font-size: 12px;
    font-family: 'Monaco', 'Menlo', monospace;
}

.validation-status.valid {
    background: rgba(81, 207, 102, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.validation-status.invalid {
    background: rgba(255, 107, 107, 0.15);
    color: var(--error);
    border: 1px solid var(--error);
}

.validation-status.empty {
    display: none;
}

.json-search-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
}

.json-search-panel h4 {
    margin: 0 0 15px 0;
    color: var(--accent-primary);
    font-size: 1rem;
}

.search-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-row {
    display: flex;
    gap: 10px;
}

.search-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 12px;
}

.search-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.search-options label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.search-options input[type="checkbox"] {
    margin: 0;
    width: auto;
}

.search-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.json-display-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.display-controls {
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.display-controls label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.display-controls select {
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 12px;
}

.json-output-area {
    flex: 1;
    padding: 15px;
    overflow: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.4;
    background: var(--code-bg);
    color: var(--text-primary);
    white-space: pre;
}

.json-stats-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
}

/* JSON Syntax Highlighting */
.json-key {
    color: var(--accent-primary);
    font-weight: 500;
}

.json-string {
    color: var(--success);
}

.json-number {
    color: #ff6b6b;
}

.json-boolean {
    color: var(--warning);
    font-weight: 500;
}

.json-null {
    color: var(--text-muted);
    font-style: italic;
}

.json-punctuation {
    color: var(--text-primary);
}

.json-collapsible {
    cursor: pointer;
    user-select: none;
}

.json-collapsible:hover {
    background: var(--bg-tertiary);
    border-radius: 2px;
}

.json-collapsed {
    color: var(--text-muted);
}

.json-line-number {
    color: var(--text-muted);
    margin-right: 15px;
    user-select: none;
    text-align: right;
    display: inline-block;
    width: 30px;
}

/* Search highlighting */
.json-search-highlight {
    background: rgba(255, 235, 59, 0.3);
    border-radius: 2px;
    padding: 1px 2px;
}

.json-search-highlight.current {
    background: rgba(255, 152, 0, 0.5);
}

/* Dark theme adjustments */
[data-theme="dark"] .json-search-highlight {
    background: rgba(255, 235, 59, 0.2);
}

[data-theme="dark"] .json-search-highlight.current {
    background: rgba(255, 152, 0, 0.3);
}

/* Responsive design for JSON formatter */
@media (max-width: 768px) {
    .json-container {
        flex-direction: column;
        height: auto;
        gap: 15px;
    }
    
    .search-row {
        flex-direction: column;
    }
    
    .search-options {
        justify-content: center;
    }
    
    .control-row {
        justify-content: center;
    }
    
    .display-controls {
        justify-content: center;
    }
}

/* Templates and forwarders grids */
.templates-grid,
.forwarders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.template-card,
.forwarder-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.template-card:hover,
.forwarder-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.card-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.card-meta {
    color: #6c757d;
    font-size: 0.9rem;
}

.card-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.card-actions .btn {
    padding: 8px 16px;
    font-size: 12px;
}

/* Regex highlights */
.regex-match {
    background: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
    border: 1px solid #ffeaa7;
}

/* Empty states */
.empty-state {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 40px 20px;
    transition: color 0.3s ease;
}

/* Success/error states */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(81, 207, 102, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: rgba(255, 107, 107, 0.15);
    color: var(--error);
    border: 1px solid var(--error);
}

.alert-info {
    background: rgba(34, 211, 238, 0.15);
    color: var(--info);
    border: 1px solid var(--info);
}

/* Loading states */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        order: 2;
    }
    
    .main-content {
        order: 1;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .chat-container {
        flex-direction: column;
        height: auto;
    }
    
    .chat-sidebar {
        width: 100%;
    }
    
    .stats-grid,
    .templates-grid,
    .forwarders-grid {
        grid-template-columns: 1fr;
    }
    
    .jwt-sections {
        grid-template-columns: 1fr;
    }
}

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .sidebar {
        display: none;
    }
    
    .sidebar.active {
        display: block;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Animation utilities */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

/* Code syntax highlighting */
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.4;
    overflow-x: auto;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Status indicators */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-active {
    background: var(--success);
}

.status-inactive {
    background: var(--error);
}

.status-pending {
    background: var(--warning);
}

/* Tooltips */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
}

/* HTML Renderer Styles */
.html-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.html-editors {
    display: flex;
    flex-direction: column;
}

.editor-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 10px;
}

.tab-button {
    background: var(--bg-tertiary);
    border: none;
    padding: 10px 15px;
    margin-right: 5px;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.tab-button.active {
    background: var(--accent-primary);
    color: white;
}

.tab-button:hover:not(.active) {
    background: var(--bg-secondary);
    color: var(--accent-primary);
}

.editor-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.editor-container {
    position: relative;
    flex: 1;
}

.editor-tab {
    display: none;
}

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

.editor-tab textarea {
    width: 100%;
    height: 400px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.editor-tab textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.html-preview {
    display: flex;
    flex-direction: column;
}

.preview-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.viewport-controls {
    display: flex;
    gap: 5px;
}

.viewport-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.viewport-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.viewport-btn:hover:not(.active) {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.preview-frame {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    background: white;
}

.preview-frame iframe {
    width: 100%;
    height: 400px;
    border: none;
    background: white;
}

.preview-frame.tablet iframe {
    width: 768px;
    transform: scale(0.8);
    transform-origin: top left;
    height: calc(400px / 0.8);
}

.preview-frame.mobile iframe {
    width: 375px;
    transform: scale(0.9);
    transform-origin: top left;
    height: calc(400px / 0.9);
}

.html-console {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 10px;
    background: var(--bg-secondary);
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.console-content {
    padding: 10px;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    line-height: 1.4;
    background: #1e1e1e;
    color: #d4d4d4;
}

.console-log {
    margin: 2px 0;
    padding: 2px 0;
}

.console-error {
    color: #f48771;
}

.console-warn {
    color: #dcdcaa;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.template-btn {
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.template-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* SMTP Tester Styles */
.smtp-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.smtp-config-panel, .email-composer {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.connection-status, .send-status {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    font-weight: 500;
    display: none;
}

.connection-status.success, .send-status.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
    display: block;
}

.connection-status.error, .send-status.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
    display: block;
}

.connection-status.pending, .send-status.pending {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
    display: block;
}

.email-content-tabs {
    display: flex;
    margin: 15px 0 10px 0;
    border-bottom: 2px solid var(--border-color);
}

.email-content {
    position: relative;
}

.email-tab {
    display: none;
}

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

.email-tab textarea {
    width: 100%;
    height: 200px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.email-tab textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.smtp-history {
    margin-top: 30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 10px;
    background: var(--bg-tertiary);
    transition: all 0.3s ease;
}

.history-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 2px 8px var(--shadow);
}

.history-item .email-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.history-item .email-subject {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.history-item .email-details {
    font-size: 14px;
    color: var(--text-secondary);
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.preset-btn {
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-weight: 500;
}

.preset-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

/* Responsive design for new tools */
@media (max-width: 1024px) {
    .html-container, .smtp-container {
        grid-template-columns: 1fr;
    }
    
    .editor-controls {
        justify-content: center;
    }
    
    .viewport-controls {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .html-container, .smtp-container {
        margin-top: 10px;
    }
    
    .smtp-config-panel, .email-composer {
        padding: 15px;
    }
    
    .editor-tab textarea, .email-tab textarea {
        height: 300px;
    }
    
    .preview-frame iframe {
        height: 300px;
    }
    
    .template-grid, .preset-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* S3 Bucket Tester Styles */
.s3-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.s3-credentials-panel, .s3-operations-panel {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.s3-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.s3-tab {
    display: none;
}

.s3-tab.active {
    display: block;
}

.tab-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.bucket-selector, .path-navigator {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.bucket-selector select, .path-navigator input {
    flex: 1;
    min-width: 200px;
}

.s3-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
}

.s3-item {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.s3-item:hover {
    background: var(--bg-tertiary);
}

.s3-item:last-child {
    border-bottom: none;
}

.s3-item-info {
    flex: 1;
}

.s3-item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.s3-item-details {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    gap: 15px;
}

.s3-item-actions {
    display: flex;
    gap: 5px;
}

.s3-item-actions button {
    padding: 5px 10px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.s3-item-actions button:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.create-form {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.upload-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.upload-progress {
    margin-top: 15px;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 10px;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    margin-top: 5px;
    font-weight: 600;
    color: var(--text-primary);
}

.permissions-results {
    margin-top: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    max-height: 400px;
    overflow-y: auto;
}

.permission-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.permission-item:last-child {
    border-bottom: none;
}

.permission-name {
    font-weight: 600;
    color: var(--text-primary);
}

.permission-status {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.permission-status.allowed {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.permission-status.denied {
    background: rgba(220, 53, 69, 0.1);
    color: var(--error);
}

.permission-status.unknown {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.s3-activity-log {
    margin-top: 30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.log-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.activity-log {
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    line-height: 1.4;
}

.log-entry {
    margin-bottom: 5px;
    padding: 5px 0;
    border-bottom: 1px solid var(--border-color-light);
}

.log-entry:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.log-timestamp {
    color: var(--text-secondary);
    font-size: 10px;
}

.log-action {
    color: var(--accent-primary);
    font-weight: 600;
}

.log-success {
    color: var(--success);
}

.log-error {
    color: var(--error);
}

.s3-help-panel {
    margin-top: 30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.help-content {
    color: var(--text-primary);
    line-height: 1.6;
}

.help-content h5 {
    color: var(--accent-primary);
    margin-top: 20px;
    margin-bottom: 10px;
}

.help-content h5:first-child {
    margin-top: 0;
}

.help-content code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 11px;
}

.help-content ul, .help-content ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

.help-content li {
    margin-bottom: 5px;
}

.bucket-icon {
    display: inline-block;
    margin-right: 8px;
    font-size: 16px;
}

.object-icon {
    display: inline-block;
    margin-right: 8px;
    font-size: 14px;
}

.folder-icon::before {
    content: "📁";
}

.file-icon::before {
    content: "📄";
}

/* Responsive design for S3 tool */
@media (max-width: 1024px) {
    .s3-container {
        grid-template-columns: 1fr;
    }
    
    .bucket-selector, .path-navigator {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tab-controls {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .s3-container {
        margin-top: 10px;
    }
    
    .s3-credentials-panel, .s3-operations-panel {
        padding: 15px;
    }
    
    .s3-item {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .s3-item-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .s3-tabs {
        flex-wrap: wrap;
    }
}

/* Image Converter Styles */
.image-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.image-upload-panel, .image-preview-panel {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

.upload-area.dragover {
    border-color: var(--accent-primary);
    background: rgba(0, 123, 255, 0.1);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.upload-icon {
    font-size: 48px;
    opacity: 0.6;
}

.supported-formats {
    margin-top: 20px;
}

.format-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.format-badge {
    background: var(--accent-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.image-preview {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    overflow: hidden;
    position: relative;
}

.preview-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.image-info {
    margin-top: 15px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

.image-conversion-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.setting-group {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.setting-group h4 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 16px;
}

.format-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.format-option {
    display: flex;
    align-items: center;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.format-option:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

.format-option input[type="radio"] {
    margin-right: 8px;
}

.format-option input[type="radio"]:checked + .format-label {
    color: var(--accent-primary);
    font-weight: 600;
}

.quality-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quality-controls label {
    font-weight: 600;
    color: var(--text-primary);
}

#quality-slider {
    width: 100%;
    margin: 10px 0;
}

.quality-presets {
    display: flex;
    gap: 5px;
}

.resize-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.resize-options {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.resize-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.resize-inputs input[type="number"] {
    width: 80px;
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
}

.resize-separator {
    font-weight: bold;
    color: var(--text-secondary);
}

.resize-presets {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.conversion-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.image-output-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.output-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.output-preview {
    display: flex;
    flex-direction: column;
}

.output-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.compression-stats {
    margin-top: 15px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 700;
    font-size: 18px;
}

.stat-value.positive {
    color: var(--success);
}

.stat-value.negative {
    color: var(--error);
}

.output-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.image-presets-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.preset-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preset-card:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.preset-card h5 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 16px;
}

.preset-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.4;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-small:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Responsive design for Image Converter */
@media (max-width: 1024px) {
    .image-container, .output-container {
        grid-template-columns: 1fr;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .format-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .image-upload-panel, .image-preview-panel {
        padding: 15px;
    }
    
    .upload-area {
        padding: 30px 15px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .format-selector {
        grid-template-columns: 1fr;
    }
    
    .resize-inputs {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .preset-grid {
        grid-template-columns: 1fr;
    }
}

/* Image Processing Overlay */
.image-processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.processing-content {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.processing-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-tertiary);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.processing-message {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

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

/* AI Prompt Tester Styles */
.ai-prompt-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.provider-config-panel, .prompt-testing-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

/* Provider Configuration Styles */
.provider-tabs {
    display: flex;
    margin-bottom: 20px;
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 4px;
}

.provider-tab {
    flex: 1;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.provider-tab.active {
    background: var(--accent-primary);
    color: white;
}

.provider-tab:hover:not(.active) {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.provider-content {
    display: none;
}

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

.api-key-input {
    display: flex;
    gap: 8px;
    align-items: center;
}

.api-key-input input {
    flex: 1;
}

.range-value {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
    color: var(--accent-primary);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.provider-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

/* Prompt Testing Styles */
.prompt-editor-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.prompt-tabs {
    display: flex;
    gap: 8px;
}

.prompt-tab {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 600;
}

.prompt-tab.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.prompt-actions {
    display: flex;
    gap: 8px;
}

.prompt-content {
    display: none;
    padding: 16px;
}

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

.prompt-content label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.prompt-content textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 12px;
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.4;
    resize: vertical;
    min-height: 80px;
}

.test-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.test-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.test-options label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.test-options input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.test-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Response Panel Styles */
.response-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.response-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.response-info {
    display: flex;
    gap: 16px;
    align-items: center;
}

.provider-name {
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 14px;
}

.model-name {
    color: var(--text-secondary);
    font-size: 13px;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
}

.response-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-secondary);
}

.response-content {
    padding: 16px;
    min-height: 200px;
}

.response-text {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.response-text code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
}

.response-actions {
    padding: 12px 16px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
}

/* Comparison View Styles */
.comparison-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.comparison-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.comparison-card.success {
    border-left: 4px solid var(--success);
}

.comparison-card.error {
    border-left: 4px solid var(--error);
}

.comparison-header {
    padding: 12px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comparison-header.error {
    background: var(--error-bg);
}

.comparison-meta {
    display: flex;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
}

.comparison-response {
    padding: 16px;
    font-size: 14px;
    line-height: 1.5;
    max-height: 200px;
    overflow-y: auto;
}

.comparison-error {
    padding: 16px;
    color: var(--error);
    font-style: italic;
}

.error-badge {
    background: var(--error);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.comparison-analysis {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
}

.analysis-content {
    font-size: 14px;
    line-height: 1.5;
}

.analysis-summary p {
    margin: 8px 0;
}

/* History Panel Styles */
.history-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.history-tabs {
    display: flex;
    margin-bottom: 20px;
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 4px;
}

.history-tab {
    flex: 1;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-align: center;
}

.history-tab.active {
    background: var(--accent-primary);
    color: white;
}

.history-content {
    display: none;
}

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

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.history-actions {
    display: flex;
    gap: 8px;
}

.history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.history-item:hover {
    background: var(--bg-primary);
    border-color: var(--accent-primary);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.history-provider {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 12px;
}

.history-time {
    color: var(--text-secondary);
    font-size: 11px;
}

.history-preview {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
}

/* Template Styles */
.templates-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.template-categories {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.template-category h5 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
    font-size: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.template-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
}

.template-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.template-item:hover {
    background: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--shadow);
}

.template-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.template-desc {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.3;
}

/* Analytics Styles */
.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.analytics-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    text-align: center;
}

.analytics-title {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.analytics-value {
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.analytics-chart {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
}

.analytics-chart h5 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
}

.chart-placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Button Styles for AI Prompt Tester */
.btn-large {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
}

.btn-icon {
    margin-right: 8px;
}

.btn-success {
    background: var(--success);
    color: white;
    border: 1px solid var(--success);
}

.btn-success:hover {
    background: var(--success-hover);
    border-color: var(--success-hover);
}

.btn-danger {
    background: var(--error);
    color: white;
    border: 1px solid var(--error);
}

.btn-danger:hover {
    background: var(--error-hover);
    border-color: var(--error-hover);
}

/* Field Hints */
.field-hint {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
    font-style: italic;
}

/* Responsive Design for AI Prompt Tester */
@media (max-width: 1024px) {
    .ai-prompt-container {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .provider-config-panel, .prompt-testing-panel {
        padding: 16px;
    }
    
    .provider-tabs, .history-tabs {
        flex-direction: column;
    }
    
    .provider-tab, .history-tab {
        text-align: center;
    }
    
    .test-controls {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    
    .test-actions {
        justify-content: stretch;
        flex-direction: column;
    }
    
    .response-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .response-meta {
        align-self: flex-end;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .template-list {
        grid-template-columns: 1fr;
    }
}