.intro-text{font-size:1.05rem;color:var(--text-muted);margin-bottom:var(--spacing-lg);text-align:center;line-height:1.5}.options-container{display:flex;flex-direction:column;gap:10px;margin-bottom:var(--spacing-lg)}.options-container details{border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--gray-200);overflow:hidden;transition:background-color .2s ease,opacity .3s ease}.options-container details[open]{background-color:var(--gray-100)}.options-container details summary{padding:10px 15px;cursor:pointer;font-weight:600;color:var(--text-color);outline:none;user-select:none;list-style-position:inside;transition:background-color .2s ease;border-bottom:1px solid transparent}.options-container details[open]>summary{background-color:var(--gray-300);border-bottom-color:var(--border-color)}.options-container details summary:hover{background-color:var(--gray-300)}.controls-content,.listening-options-content{padding:15px;display:flex;align-items:center;gap:10px 20px;flex-wrap:wrap;background-color:var(--gray-100);border-top:1px solid var(--border-color)}.controls-content label{margin-right:5px;font-weight:500;white-space:nowrap;color:var(--text-color);flex-shrink:0}.controls-content #language-select,.controls-content #voice-select{padding:8px 10px;min-width:180px;border:1px solid var(--input-border-color);border-radius:var(--border-radius-sm);background-color:var(--input-bg-color);color:var(--text-color);font-size:.95em;flex-grow:1;max-width:300px}.listening-options-content .option-group{display:flex;align-items:center;gap:8px;flex-grow:1;flex-basis:220px}.listening-options-content label{font-weight:400;margin:0;white-space:nowrap;color:var(--text-color)}.listening-options-content select,.listening-options-content input[type=number]{flex-grow:1;min-width:80px;padding:8px 10px;border:1px solid var(--input-border-color);border-radius:var(--border-radius-sm);background-color:var(--input-bg-color);color:var(--text-color);font-size:.95em}.listening-options-content .checkbox-group{flex-basis:auto;flex-grow:0}.listening-options-content #discrete-chunks-toggle{margin:0;width:1.1em;height:1.1em;vertical-align:middle;cursor:pointer;flex-shrink:0}.listening-options-content .checkbox-label{margin:0 0 0 5px;white-space:normal;vertical-align:middle;font-weight:400;cursor:pointer}details#listening-options-details.disabled{opacity:.65;pointer-events:none;background-color:var(--gray-200)}details#listening-options-details.disabled summary{cursor:not-allowed;background-color:var(--gray-200)}details#listening-options-details.disabled summary:hover{background-color:var(--gray-200)}details#listening-options-details.disabled[open]>summary{border-bottom-color:transparent}.tab-container{background-color:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--box-shadow);overflow:hidden;border:1px solid var(--border-color);margin-bottom:var(--spacing-lg)}.tab-nav{border-bottom:2px solid var(--primary);display:flex;padding-left:0;background-color:var(--gray-200)}button.tab-link{background-color:transparent;border:none;border-bottom:3px solid transparent;padding:12px 20px;cursor:pointer;margin-bottom:-2px;font-size:1.05em;font-weight:500;color:var(--text-muted);transition:var(--transition);white-space:nowrap;flex-grow:1;text-align:center}button.tab-link:hover{background-color:var(--gray-300);color:var(--text-color)}button.tab-link.active{background-color:var(--card-bg);border-bottom-color:var(--primary);color:var(--gray-800);font-weight:600}.tab-content{display:none;padding:25px}.tab-content.active{display:block;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.tab-content h2{margin-top:0;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid var(--border-color);color:var(--gray-800);font-size:1.4em;font-weight:600}#speak-input{width:100%;padding:12px 15px;font-size:1em;border:1px solid var(--input-border-color);border-radius:var(--border-radius-sm);background-color:var(--input-bg-color);color:var(--text-color)}#speak-input:focus{border-color:var(--primary);outline:0;box-shadow:0 0 0 .2rem #4361ee40}.speak-options{margin-top:10px;margin-bottom:20px;padding-left:2px;display:flex;align-items:center}#auto-speak-toggle{margin:0;width:1.1em;height:1.1em;vertical-align:middle;cursor:pointer;flex-shrink:0}.speak-options .checkbox-label{margin:0 0 0 8px;vertical-align:middle;font-weight:400;color:var(--text-color);cursor:pointer;line-height:1.3}.listen-controls-primary{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}#listen-status{font-style:italic;color:var(--text-muted);white-space:nowrap;padding:5px 0;align-self:center;flex-shrink:0}p.info-note{font-size:.85em;color:var(--text-muted);margin:15px 0;line-height:1.4}p.info-note.warning{color:var(--danger)}.list-container{margin-top:20px;min-height:140px;max-height:45vh;overflow:hidden;border:1px solid var(--border-color);background-color:var(--card-bg);border-radius:var(--border-radius-sm);display:flex;flex-direction:column}.list-header{display:flex;justify-content:space-between;align-items:center;padding:10px 15px;border-bottom:1px solid var(--border-color);background-color:var(--gray-100);border-top-left-radius:3px;border-top-right-radius:3px;flex-shrink:0}.list-header h3{padding:0;margin:0 15px 0 0;border-bottom:none;font-size:1.1em;font-weight:600;color:var(--text-color);background-color:transparent;white-space:nowrap}.list-actions{margin:0;display:flex;gap:6px;flex-wrap:nowrap;flex-shrink:0;align-items:center}.list-actions .btn-danger{margin-left:1.2em}.list-actions button{padding:5px 10px;font-size:.85em;line-height:1.2;min-width:auto;font-weight:500;cursor:pointer;color:#fff;border:1px solid transparent;border-radius:var(--border-radius-sm);transition:var(--transition);white-space:nowrap;display:inline-flex;align-items:center;justify-content:center}.list-actions button:focus{outline:0;box-shadow:0 0 0 .2rem rgba(var(--btn-focus-shadow-rgb, 13, 110, 253),.5)}.list-actions button .icon{margin-right:4px;font-size:1em;vertical-align:middle;user-select:none}.list-actions button .button-text-label{vertical-align:middle}#speak-selected-btn,#listen-speak-selected-btn{background-color:var(--secondary);border-color:var(--secondary);color:#fff!important}#speak-selected-btn:hover,#listen-speak-selected-btn:hover{filter:brightness(1.1)}#listen-toggle-btn{background-color:var(--success);border-color:var(--success);color:#fff!important;padding:10px 18px;font-size:.95em}#listen-toggle-btn:hover{filter:brightness(.9)}#listen-toggle-btn.listening{background-color:var(--danger);border-color:var(--danger);color:#fff!important}#listen-toggle-btn.listening:hover{filter:brightness(.9)}.btn-danger,#speak-delete-selected-btn,#listen-delete-selected-btn{background-color:var(--danger);border-color:var(--danger);color:#fff!important}.btn-danger:hover,#speak-delete-selected-btn:hover,#listen-delete-selected-btn:hover{filter:brightness(.9)}.btn-warning,#speak-clear-all-btn,#listen-clear-all-btn{background-color:var(--warning);border-color:var(--warning);color:#212529!important}.btn-warning:hover,#speak-clear-all-btn:hover,#listen-clear-all-btn:hover{filter:brightness(1.05)}.selectable-list{list-style:none;padding:0;margin:0;overflow-y:auto;flex-grow:1;min-height:50px}.selectable-list li{display:flex;align-items:center;padding:10px 15px;border-bottom:1px solid var(--border-color);cursor:default;transition:background-color .15s ease;color:var(--text-color)}.selectable-list li:last-child{border-bottom:none}.selectable-list li:hover{background-color:var(--gray-100)}.selectable-list input[type=checkbox]{margin-right:15px;flex-shrink:0;cursor:pointer;width:1.1em;height:1.1em;vertical-align:middle}.selectable-list li span{flex-grow:1;word-break:break-word;line-height:1.45;cursor:pointer;vertical-align:middle}@media (max-width: 768px){.options-container{gap:6px}.options-container summary{padding:10px 15px}.controls-content,.listening-options-content{padding:12px 15px;gap:8px 12px}.controls-content #language-select,.controls-content #voice-select{min-width:150px;max-width:250px}.listening-options-content .option-group{flex-basis:100%}.tab-content{padding:20px}.tab-content h2{font-size:1.3em}button.tab-link{padding:10px 15px;font-size:1em}.list-header{padding:8px 12px}.list-header h3{font-size:1.05em}.list-actions{gap:6px}.list-actions button{padding:4px 8px;font-size:.8em}.list-actions button .icon{margin-right:3px}.list-actions .btn-danger{margin-left:1em}#listen-toggle-btn{font-size:.9em;padding:9px 15px}.list-container{min-height:120px;max-height:40vh}}@media (max-width: 600px){.controls-content,.listening-options-content{flex-direction:column;align-items:stretch;gap:12px}.controls-content label,.listening-options-content label:not(.checkbox-label){margin-bottom:3px;font-weight:700;text-align:left}.controls-content #language-select,.controls-content #voice-select{width:100%;min-width:auto;max-width:none}.listening-options-content .option-group{flex-basis:auto;flex-direction:column;align-items:flex-start}.listening-options-content select,.listening-options-content input[type=number]{width:100%;flex-grow:0}.listening-options-content .checkbox-group{flex-direction:row;align-items:center}.listening-options-content .checkbox-label{font-weight:400}.options-container{gap:8px}.options-container summary{padding:10px 15px;font-size:1em}.tab-nav{padding:0}button.tab-link{padding:10px;font-size:.95em}.tab-content{padding:15px}.tab-content h2{font-size:1.2em;margin-bottom:15px;padding-bottom:10px}.listen-controls-primary{flex-direction:column;align-items:stretch;gap:10px;margin-bottom:20px}#listen-status{order:2;margin-left:0;text-align:center}#listen-toggle-btn{order:1;font-size:.9em;padding:9px 12px}.list-header{padding:8px 10px;flex-wrap:wrap}.list-header h3{font-size:1em;margin-right:10px;margin-bottom:8px;width:100%;text-align:center}.list-actions{gap:5px;width:100%;justify-content:center;flex-wrap:wrap}.list-actions button .button-text-label{display:none}.list-actions button{padding:5px 8px}.list-actions button .icon{margin-right:0;font-size:1.1em}.list-actions .btn-danger{margin-left:0}.list-container{min-height:100px;max-height:35vh;margin-top:15px}.selectable-list li{padding:8px 12px}.selectable-list input[type=checkbox]{margin-right:12px}}