:root {
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #f43f5e;
    --accent-color: #10b981;
    --accent-dark: #059669;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #f8fafc;
    --bg-dark: #f1f5f9;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --border-radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: manipulation;
}

.container {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
    width: 100%;
}

.app-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
}

.main-panel {
    width: 100%;
}

.side-panel {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.panel-section {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-section:last-child {
    border-bottom: none;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

header h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.copyright {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 2rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.agent-status-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    background-color: var(--bg-dark);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.agent-status-pill .status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    margin-right: 0.5rem;
}

.agent-status-pill .status-text {
    color: var(--text-color);
}

.upload-section {
    margin-bottom: 1.5rem;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    background-color: var(--white);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-area:hover, .upload-area.drag-over {
    border-color: var(--primary-light);
    background-color: rgba(99, 102, 241, 0.05);
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(244, 63, 94, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.upload-area:hover::before {
    opacity: 1;
}

.upload-area svg {
    color: var(--primary-color);
    margin-bottom: 1rem;
    width: 48px;
    height: 48px;
    position: relative;
    z-index: 1;
}

.upload-area h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    position: relative;
    z-index: 1;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.upload-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(99, 102, 241, 0.4);
}

.upload-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(99, 102, 241, 0.2);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.section-header.with-border {
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.section-header h3 {
    font-size: 1.25rem;
    margin: 0;
    background: linear-gradient(90deg, var(--text-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.toggle-container {
    display: flex;
    align-items: center;
}

.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    background-color: var(--bg-dark);
    border-radius: 999px;
    transition: var(--transition);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--white);
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle-label {
    margin-left: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.analysis-options,
.advanced-options {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.option-btn {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 0.875rem;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    min-height: 48px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.option-btn:hover {
    border-color: var(--primary-light);
    background-color: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

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

.option-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.option-btn.highlight-option {
    background: linear-gradient(45deg, #f3f4f6, #fff, #f3f4f6);
    border: 2px solid var(--accent-color);
    color: var(--accent-dark);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
    animation: pulse 2s infinite;
}

.option-btn.highlight-option:hover {
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    transform: translateY(-3px);
}

.option-btn.highlight-option.active {
    background: var(--accent-color);
    color: white;
    animation: none;
    border-color: var(--accent-color);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.custom-prompt-container {
    margin-top: 1.5rem;
    position: relative;
}

.pulse-animation {
    animation: border-pulse 1.5s 1;
}

@keyframes border-pulse {
    0% {
        border-color: var(--border-color);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    50% {
        border-color: var(--accent-color);
        box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.3);
    }
    100% {
        border-color: var(--border-color);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

#customPrompt {
    width: 100%;
    height: 120px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    resize: vertical;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

#customPrompt:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    outline: none;
}

#customPrompt::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
    transition: var(--transition);
}

.toggle-btn:hover {
    color: var(--primary-dark);
}

.toggle-btn svg {
    transition: var(--transition);
}

.toggle-btn.active svg {
    transform: rotate(180deg);
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
    height: 100px;
}

.feature-btn svg {
    color: var(--primary-color);
}

.feature-btn:hover {
    border-color: var(--primary-light);
    background-color: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
}

.status-section {
    margin-bottom: 1.5rem;
}

.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

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

.progress-container {
    background-color: var(--bg-dark);
    border-radius: 999px;
    height: 8px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 999px;
}

.progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-light);
}

.results-section {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.results-header h2 {
    font-size: 1.5rem;
}

.results-actions {
    display: flex;
    gap: 0.75rem;
}

.action-btn {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    min-height: 40px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-color);
}

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

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

.results-content {
    padding: 1.5rem;
    min-height: 200px;
    max-height: 600px;
    overflow-y: auto;
    line-height: 1.7;
    -webkit-overflow-scrolling: touch; 
}

.agent-status-panel {
    padding: 1rem 0;
}

.agent-status {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-dark);
}

.agent-status.connected {
    background-color: rgba(16, 185, 129, 0.1);
}

.agent-status .status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--text-light);
    margin-right: 0.5rem;
}

.agent-status.connected .status-indicator {
    background-color: var(--success);
}

.agent-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.agent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-dark);
    font-size: 0.875rem;
}

.agent-name {
    font-weight: 500;
}

.agent-id {
    font-size: 0.75rem;
    color: var(--text-light);
}

.agent-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-light);
}

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

.connect-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.connect-btn:hover {
    background-color: var(--primary-dark);
}

.connect-btn.connected {
    background-color: var(--success);
}

/* Document list */
.document-list {
    max-height: 200px;
    overflow-y: auto;
}

.doc-count {
    font-size: 0.875rem;
    color: var(--text-light);
}

.doc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

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

.doc-info {
    flex: 1;
}

.doc-name {
    font-weight: 500;
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.doc-meta {
    font-size: 0.75rem;
    color: var(--text-light);
}

.doc-actions {
    display: flex;
    gap: 0.25rem;
}

.doc-action-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--border-radius);
}

.doc-action-btn:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.saved-analyses {
    max-height: 300px;
    overflow-y: auto;
}

.no-history {
    text-align: center;
    color: var(--text-light);
    padding: 1rem 0;
    font-size: 0.875rem;
}

.history-item {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

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

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.history-item-header h4 {
    font-size: 0.9375rem;
    font-weight: 500;
    margin: 0;
}

.history-timestamp {
    font-size: 0.75rem;
    color: var(--text-light);
}

.history-item-content {
    margin-bottom: 0.5rem;
}

.analysis-type {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    background-color: var(--bg-dark);
    border-radius: 999px;
    margin-bottom: 0.25rem;
}

.history-snippet {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-actions {
    display: flex;
    gap: 0.5rem;
}

.history-action-btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-dark);
    border-radius: var(--border-radius);
    cursor: pointer;
}

.history-action-btn:hover {
    border-color: var(--primary-light);
    background-color: rgba(99, 102, 241, 0.05);
}

.multi-doc-select {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.multi-doc-select h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.doc-select-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.doc-select-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-dark);
}

.doc-select-item input[type="checkbox"] {
    margin-right: 0.5rem;
}

.visualizations-container {
    margin-bottom: 2rem;
}

.visualizations-container h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.visualizations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.visualization-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.visualization-card h4 {
    padding: 0.75rem;
    margin: 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    font-size: 1rem;
}

.viz-placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    color: var(--text-light);
}

.viz-placeholder.sentiment-chart {
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.1), rgba(16, 185, 129, 0.1));
}

.viz-placeholder.entity-network {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(249, 250, 251, 0) 70%);
}

/* Toast container styles */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.toast {
    position: relative;
    padding: 1rem 1.5rem;
    background-color: var(--white);
    color: var(--text-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transform: translateY(50px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: all;
    max-width: 350px;
    word-break: break-word;
    font-weight: 500;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

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

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

.toast.info {
    border-left: 4px solid var(--info);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

@media (max-width: 992px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
    
    .side-panel {
        margin-top: 1.5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 1rem;
        margin: 1rem auto;
    }
    
    header {
        margin-bottom: 1.5rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .options-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .advanced-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .results-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .results-actions {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    
    .action-btn {
        flex: 1;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 0.75rem;
        margin: 0.75rem auto;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .options-grid,
    .advanced-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area svg {
        width: 32px;
        height: 32px;
    }
    
    .upload-area h3 {
        font-size: 1.1rem;
    }
    
    .analysis-options,
    .advanced-options {
        padding: 1.25rem;
    }
    
    .section-header {
        margin-bottom: 1rem;
    }
    
    .section-header h3 {
        font-size: 1.1rem;
    }
    
    .loading-indicator {
        padding: 1.5rem;
    }
    
    .spinner {
        width: 40px;
        height: 40px;
    }
    
    .results-header {
        padding: 1.25rem;
    }
    
    .results-header h2 {
        font-size: 1.25rem;
    }
    
    .results-content {
        padding: 1.25rem;
        max-height: 400px;
    }
    
    .visualizations-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (device-width: 375px) and (device-height: 812px),
       screen and (device-width: 390px) and (device-height: 844px),
       screen and (device-width: 428px) and (device-height: 926px) {
    .container {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* Sample Files Section */
.sample-files {
    margin-top: 1.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.sample-files h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-color);
}

.sample-files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.sample-file {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    padding-bottom: 32px;
}

.sample-file:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.sample-file svg {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.sample-file span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* File Preview Section */
.file-preview {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-dark);
}

.preview-header h3 {
    margin: 0;
    font-size: 1.1rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 80%;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    height: 30px;
    width: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-light);
    transition: var(--transition);
}

.close-btn:hover {
    background-color: rgba(0,0,0,0.1);
    color: var(--text-color);
}

.preview-content {
    padding: 1rem;
    min-height: 300px;
    max-height: 500px;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-preview, .image-preview, .text-preview {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pdf-preview canvas {
    max-width: 100%;
    max-height: 400px;
    box-shadow: var(--shadow-sm);
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.text-preview pre {
    width: 100%;
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-dark);
    font-family: monospace;
    white-space: pre-wrap;
    overflow-x: auto;
}

.page-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
    gap: 1rem;
}

.page-btn {
    padding: 0.5rem 1rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

#pageInfo {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Analysis options cards and info */
.analysis-info {
    margin-bottom: 1.25rem;
    color: var(--text-light);
    font-size: 0.9375rem;
}

.option-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition);
}

.option-card:hover {
    transform: translateY(-2px);
}

.option-description {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.4;
}

.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: var(--primary-color);
}

.tooltip::after {
    content: "?";
    width: 16px;
    height: 16px;
    background-color: var(--primary-light);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

.tooltip:hover::before {
    content: attr(data-tip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-color);
    color: var(--white);
    text-align: center;
    border-radius: 4px;
    padding: 0.5rem;
    width: 200px;
    z-index: 1;
    font-size: 0.75rem;
    pointer-events: none;
    box-shadow: var(--shadow-md);
}

.analysis-type-toggle {
    margin-top: 1.5rem;
    display: flex;
    gap: 2rem;
    padding: 1rem;
    background-color: var(--bg-dark);
    border-radius: var(--border-radius);
}

.type-toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.type-toggle-label:hover {
    color: var(--primary-color);
}

.type-toggle-label input {
    accent-color: var(--primary-color);
    width: 16px;
    height: 16px;
}

.start-analysis-btn {
    margin-top: 1.5rem;
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.start-analysis-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.start-analysis-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
}

/* View Sample Button */
.view-sample-btn {
    background: #4f46e5;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 12px;
    cursor: pointer;
    position: absolute;
    right: 8px;
    bottom: 8px;
    transition: all 0.2s ease;
}

.view-sample-btn:hover {
    background: #4338ca;
    transform: translateY(-1px);
}

/* Confirmation Dialog */
.confirmation-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.confirmation-dialog.visible {
    opacity: 1;
}

.confirmation-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.confirmation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e5e7eb;
}

.confirmation-header h3 {
    margin: 0;
    font-size: 18px;
    color: #111827;
}

.confirmation-body {
    padding: 20px;
}

.confirmation-body p {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 15px;
}

.confirmation-details {
    background: #f9fafb;
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-weight: 500;
    color: #4b5563;
}

.detail-value {
    color: #111827;
}

.custom-prompt-preview {
    background: #f3f4f6;
    border-radius: 6px;
    padding: 12px 16px;
    margin-top: 16px;
}

.custom-prompt-preview h4 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 14px;
    color: #4b5563;
}

.custom-prompt-preview p {
    margin: 0;
    font-size: 14px;
    max-height: 100px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.confirmation-footer {
    display: flex;
    justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid #e5e7eb;
    gap: 12px;
}

.cancel-btn {
    background: #f3f4f6;
    color: #4b5563;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cancel-btn:hover {
    background: #e5e7eb;
}

.confirm-btn {
    background: #4f46e5;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.confirm-btn:hover {
    background: #4338ca;
}

/* Quick Actions Panel */
.quick-actions-panel {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 900;
}

.quick-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #4f46e5;
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    transition: all 0.2s ease;
}

.quick-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(79, 70, 229, 0.4);
}

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

/* Keyboard Shortcuts */
.keyboard-shortcuts {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.keyboard-shortcuts.visible {
    opacity: 1;
}

.shortcuts-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.shortcuts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e5e7eb;
}

.shortcuts-header h3 {
    margin: 0;
    font-size: 18px;
    color: #111827;
}

.shortcuts-body {
    padding: 16px 20px;
}

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

.shortcut-group h4 {
    margin-top: 0;
    margin-bottom: 12px;
    color: #4b5563;
    font-size: 15px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.shortcut-key {
    background: #f3f4f6;
    color: #111827;
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 13px;
    font-weight: 500;
    font-family: monospace;
}

.shortcut-desc {
    color: #4b5563;
    font-size: 14px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .confirmation-content,
    .shortcuts-content {
        background: #1f2937;
        color: #f9fafb;
    }
    
    .confirmation-header,
    .shortcuts-header,
    .confirmation-footer {
        border-color: #374151;
    }
    
    .confirmation-header h3,
    .shortcuts-header h3 {
        color: #f9fafb;
    }
    
    .confirmation-details {
        background: #111827;
    }
    
    .detail-label {
        color: #d1d5db;
    }
    
    .detail-value {
        color: #f9fafb;
    }
    
    .custom-prompt-preview {
        background: #111827;
    }
    
    .custom-prompt-preview h4 {
        color: #d1d5db;
    }
    
    .cancel-btn {
        background: #374151;
        color: #f9fafb;
    }
    
    .cancel-btn:hover {
        background: #4b5563;
    }
    
    .shortcut-key {
        background: #374151;
        color: #f9fafb;
    }
    
    .shortcut-desc,
    .shortcut-group h4 {
        color: #d1d5db;
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .quick-actions-panel {
        bottom: 16px;
        right: 16px;
    }
    
    .quick-action-btn {
        width: 40px;
        height: 40px;
    }
}

/* Dark Mode Styles */
.dark-mode {
    --bg-color: #121212;
    --bg-secondary: #1f1f1f;
    --text-color: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #2d2d2d;
    --accent-color: #6366f1;
    --accent-hover: #818cf8;
    --error-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --button-text: #ffffff;
    --button-bg: #2d2d2d;
    --button-hover: #3d3d3d;
    --viewer-bg: #1a1a1a;
    --viewer-text: #ffffff;
}

.dark-mode body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.dark-mode header h1,
.dark-mode header p {
    color: var(--text-color);
}

.dark-mode .section-header h3 {
    color: var(--text-color);
}

.dark-mode .upload-area {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .upload-area svg,
.dark-mode .upload-area h3,
.dark-mode .upload-area p {
    color: var(--text-color);
}

.dark-mode .option-btn {
    background: var(--bg-secondary);
    color: var(--text-color);
    border-color: var(--border-color);
}

.dark-mode .option-btn:hover {
    background: #2a2a2a;
}

.dark-mode .option-btn.active {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent-color);
}

.dark-mode .option-description {
    color: var(--text-secondary);
}

.dark-mode #customPrompt {
    background: var(--bg-secondary);
    color: var(--text-color);
    border-color: var(--border-color);
}

.dark-mode #customPrompt::placeholder {
    color: var(--text-secondary);
}

.dark-mode .results-content {
    background-color: var(--viewer-bg);
    color: var(--viewer-text);
    border-color: var(--border-color);
}

.dark-mode .side-panel {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .document-list, 
.dark-mode .saved-analyses {
    border-color: var(--border-color);
}

.dark-mode .doc-item, 
.dark-mode .history-item {
    border-color: var(--border-color);
}

.dark-mode .doc-name, 
.dark-mode .history-item-header h4 {
    color: var(--text-color);
}

.dark-mode .doc-meta, 
.dark-mode .history-timestamp {
    color: var(--text-secondary);
}

.dark-mode .analysis-info {
    color: var(--text-secondary);
}

.dark-mode .page-controls {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .page-btn {
    background: #2a2a2a;
    color: var(--text-color);
    border-color: var(--border-color);
}

.dark-mode .page-btn:hover {
    background: #3a3a3a;
}

.dark-mode #pageInfo {
    color: var(--text-secondary);
}

.dark-mode .text-preview pre {
    background: var(--bg-secondary);
    color: var(--text-color);
}

.dark-mode .toast {
    background: var(--bg-secondary);
    color: var(--text-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.dark-mode .toast.success {
    border-left-color: var(--success-color);
}

.dark-mode .toast.error {
    border-left-color: var(--error-color);
}

.dark-mode .toast.info {
    border-left-color: var(--info-color);
}

.dark-mode .toast.warning {
    border-left-color: var(--warning-color);
}

.dark-mode .copyright {
    color: var(--text-secondary);
}

/* Initialize dark mode based on user preference */
@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--bg-color, #121212);
        color: var(--text-color, #f9fafb);
    }
    
    .dark-mode-toggle {
        background-color: var(--bg-secondary, #1f1f1f);
    }
}

/* Settings Panel */
.settings-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100%;
    background-color: var(--white);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.settings-panel.visible {
    right: 0;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.settings-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.settings-section {
    margin-bottom: 2rem;
}

.settings-section h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-light);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.setting-item label {
    font-weight: 500;
    font-size: 0.9375rem;
}

.settings-footer {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
}

.settings-toggle-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.settings-toggle-btn:hover {
    transform: rotate(30deg);
    background-color: var(--bg-dark);
}

/* Fullscreen Preview Styles */
.fullscreen-preview {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.9);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.has-fullscreen {
    overflow: hidden;
}

.fullscreen-preview img {
    max-height: 85vh !important;
    max-width: 90vw !important;
    object-fit: contain;
}

.fullscreen-preview canvas {
    max-height: 85vh !important;
    max-width: 90vw !important;
}

.fullscreen-btn {
    position: absolute;
    right: 20px;
    bottom: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.fullscreen-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.fullscreen-preview .fullscreen-btn {
    top: 20px;
    bottom: auto;
}

.fullscreen-preview .page-controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.fullscreen-preview #pageInfo {
    color: white;
}

.fullscreen-preview .page-btn {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.fullscreen-preview .page-btn:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Dark mode improvements */
.dark-mode {
    --bg-color: #121212;
    --bg-dark: #1e1e1e;
    --text-color: #e4e4e4;
    --text-light: #a0a0a0;
    --border-color: #333333;
    --primary-color: #8183ff;
    --primary-dark: #6366f1;
    --white: #1e1e1e;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.dark-mode .option-btn {
    background-color: #2a2a2a;
    border-color: #3a3a3a;
}

.dark-mode .option-btn:hover {
    background-color: #3a3a3a;
}

.dark-mode .option-btn.active {
    background-color: var(--primary-dark);
    color: #f0f0f0;
}

.dark-mode header h1 {
    background: linear-gradient(135deg, #8183ff, #ff4d6d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dark-mode .section-header h3 {
    background: linear-gradient(90deg, #e4e4e4, #8183ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dark-mode .settings-panel {
    background-color: #1e1e1e;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.5);
}

.dark-mode .settings-toggle-btn {
    background-color: #2a2a2a;
    border-color: #3a3a3a;
}

.dark-mode .settings-toggle-btn svg {
    color: #e4e4e4;
}

.dark-mode .fullscreen-preview {
    background-color: rgba(0, 0, 0, 0.95);
}

/* Large font mode */
.large-font {
    font-size: 18px;
}

.large-font h1 {
    font-size: 3rem;
}

.large-font h2 {
    font-size: 2.25rem;
}

.large-font h3 {
    font-size: 1.75rem;
}

.large-font .option-btn {
    font-size: 1.1rem;
}

.large-font .results-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .upload-area {
        padding: 1rem;
    }
    
    .results-actions {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .action-btn {
        flex: 1;
        min-width: 120px;
    }
    
    .side-panel {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100%;
        z-index: 1000;
        transition: right 0.3s ease;
    }
    
    .side-panel.visible {
        right: 0;
    }
    
    .pdf-viewer {
        max-height: 70vh;
    }
}

/* Ensure proper contrast in dark mode for all states */
.dark-mode .doc-action-btn {
    color: var(--accent-color);
}

.dark-mode .doc-action-btn:hover {
    background-color: rgba(99, 102, 241, 0.2);
}

.dark-mode .feature-btn {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: 1px solid var(--border-color);
}

.dark-mode .feature-btn:hover {
    background-color: var(--button-hover);
    border-color: var(--accent-color);
}

.dark-mode .feature-btn svg {
    color: var(--button-text);
}

.dark-mode .pdf-viewer {
    background-color: var(--viewer-bg);
}

.dark-mode .pdf-viewer canvas {
    background-color: var(--viewer-bg);
}

.dark-mode .text-preview {
    color: var(--viewer-text);
    background-color: var(--viewer-bg);
}

.dark-mode .results-content {
    color: var(--viewer-text);
    background-color: var(--viewer-bg);
}