:root{--tts-primary:#3b82f6;--tts-primary-light:#60a5fa;--tts-primary-dark:#2563eb;--tts-primary-bg:#3b82f614;--tts-bg:#fff;--tts-bg-secondary:#f8fafc;--tts-bg-tertiary:#f1f5f9;--tts-bg-input:#fff;--tts-header-bg:#f8fafc;--tts-text:#0f172a;--tts-text-secondary:#475569;--tts-text-muted:#64748b;--tts-text-placeholder:#94a3b8;--tts-border:#e2e8f0;--tts-border-light:#f1f5f9;--tts-shadow-sm:0 1px 2px #0000000a;--tts-shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--tts-shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -1px #0000000a;--tts-shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -2px #0000000a;--tts-shadow-focus:0 0 0 3px #3b82f626;--tts-success:#10b981;--tts-success-bg:#10b9811a;--tts-radius:1rem;--tts-radius-md:.75rem;--tts-radius-sm:.5rem;--tts-radius-xs:.375rem}._tts-container{flex-direction:column;gap:1.25rem;width:100%;max-width:720px;margin:0 auto;display:flex}@media (max-width:768px){._tts-container{gap:1rem;padding-left:1rem;padding-right:1rem}}._tts-input-section{background:var(--tts-bg);border-radius:var(--tts-radius);border-style:solid;border-width:1px;border-color:var(--tts-border);box-shadow:var(--tts-shadow-md);flex-direction:column;transition:box-shadow .2s,border-color .2s;display:flex;overflow:hidden}._tts-input-section:focus-within{border-color:var(--tts-primary);box-shadow:var(--tts-shadow-md), var(--tts-shadow-focus)}._tts-input-wrapper{position:relative}._tts-textarea{resize:none;width:100%;height:140px;color:var(--tts-text);background:var(--tts-bg-input);border:none;padding:1.25rem;font-family:inherit;font-size:1rem;line-height:1.7;overflow-y:auto}._tts-textarea:focus{outline:none}._tts-textarea::placeholder{color:var(--tts-text-placeholder)}._tts-toolbar{background:var(--tts-bg-secondary);border-top-style:solid;border-top-width:1px;border-top-color:var(--tts-border-light);justify-content:space-between;align-items:center;padding:.75rem 1.25rem;display:flex}._tts-stats{align-items:center;gap:.75rem;display:flex}._tts-stat{color:var(--tts-text-muted);align-items:center;gap:.375rem;font-size:.8125rem;font-weight:500;display:flex}._tts-stat svg{width:14px;height:14px;color:var(--tts-primary);opacity:.7}._tts-actions{align-items:center;gap:.5rem;display:flex}._tts-action-btn{background:var(--tts-bg);height:2.125rem;color:var(--tts-text-secondary);border-radius:var(--tts-radius-sm);cursor:pointer;border:1px solid;border-color:var(--tts-border);justify-content:center;align-items:center;gap:.375rem;padding:0 .75rem;font-size:.8125rem;font-weight:500;transition:all .15s;display:flex}._tts-action-btn:hover{color:var(--tts-primary);border-color:var(--tts-primary);background:var(--tts-primary-bg)}._tts-action-btn svg{flex-shrink:0;width:14px;height:14px}._tts-action-btn span{white-space:nowrap}#_tts-clear-btn:hover{color:#ef4444;background:#ef44440f;border-color:#fca5a5}._tts-options-bar{background:var(--tts-bg);border-radius:var(--tts-radius);border-style:solid;border-width:1px;border-color:var(--tts-border);box-shadow:var(--tts-shadow);align-items:center;gap:1rem;padding:.75rem 1.25rem;display:flex}._tts-option-item{align-items:center;gap:.5rem;display:flex}._tts-option-icon{width:1.5rem;height:1.5rem;color:var(--tts-text-muted);justify-content:center;align-items:center;display:flex}._tts-option-icon svg{width:14px;height:14px}._tts-option-name{color:var(--tts-text-secondary);white-space:nowrap;font-size:.8125rem;font-weight:500}._tts-option-divider{background:var(--tts-border);width:1px;height:1.5rem}._tts-option-item:last-child{margin-left:auto}._tts-separator-input{width:3rem;font-family:var(--main-font-mono);text-align:center;color:var(--tts-primary-dark);background:var(--tts-bg-tertiary);border-style:solid;border-width:1px;border-color:var(--tts-border);border-radius:var(--tts-radius-xs);padding:.375rem .5rem;font-size:.875rem;font-weight:600;transition:all .15s}._tts-separator-input:focus{border-color:var(--tts-primary);background:var(--tts-bg);outline:none}._tts-separator-input::placeholder{color:var(--tts-text-placeholder)}._tts-case-btns{background:var(--tts-bg-tertiary);border-radius:var(--tts-radius-xs);gap:2px;padding:2px;display:flex}._tts-case-btn{border-radius:var(--tts-radius-xs);cursor:pointer;color:var(--tts-text-muted);background:0 0;border:none;justify-content:center;align-items:center;min-width:2.5rem;padding:.375rem .625rem;font-size:.8125rem;font-weight:600;transition:all .15s;display:flex}._tts-case-btn:hover{color:var(--tts-text)}._tts-case-btn.active{background:var(--tts-bg);color:var(--tts-primary);box-shadow:var(--tts-shadow-sm)}._tts-toggle-label{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:.5rem;display:flex}._tts-toggle-checkbox{display:none}._tts-toggle-switch{background:#cbd5e1;border-radius:1rem;flex-shrink:0;width:2.25rem;height:1.25rem;transition:background .2s;position:relative}._tts-toggle-switch:after{content:"";background:#fff;border-radius:50%;width:1rem;height:1rem;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000026}._tts-toggle-checkbox:checked+._tts-toggle-switch{background:var(--tts-primary)}._tts-toggle-checkbox:checked+._tts-toggle-switch:after{transform:translate(1rem)}@media (max-width:600px){._tts-action-btn span{display:none}._tts-action-btn{width:2.125rem;padding:0}._tts-options-bar{flex-wrap:wrap;gap:.75rem;padding:.75rem 1rem}._tts-option-divider,._tts-option-icon{display:none}._tts-option-name{font-size:.75rem}}@media (max-width:480px){._tts-textarea{height:120px;padding:1rem;font-size:.9375rem}._tts-toolbar{flex-wrap:wrap;gap:.5rem;padding:.625rem 1rem}._tts-stat{font-size:.75rem}._tts-actions{gap:.375rem}._tts-options-bar{justify-content:space-between}._tts-option-item:last-child{margin-left:auto}}._tts-output-section{background:var(--tts-bg);border-radius:var(--tts-radius);border-style:solid;border-width:1px;border-color:var(--tts-border);box-shadow:var(--tts-shadow-md);flex-direction:column;transition:all .2s;display:flex;overflow:hidden}._tts-output-section.copied{border-color:var(--tts-success);box-shadow:0 0 0 3px var(--tts-success-bg), var(--tts-shadow-md)}._tts-output-header{background:var(--tts-header-bg);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--tts-border-light);align-items:center;gap:.5rem;padding:.625rem 1rem;display:flex}._tts-output-badge{background:var(--tts-primary);color:#fff;border-radius:var(--tts-radius-xs);flex-shrink:0;justify-content:center;align-items:center;width:1.75rem;height:1.75rem;display:flex}._tts-output-badge svg{width:14px;height:14px}._tts-output-title{color:var(--tts-text-secondary);letter-spacing:-.01em;flex:1;font-size:.875rem;font-weight:600}._tts-output-stats{align-items:center;gap:.5rem;margin-right:.5rem;display:flex}._tts-stat-small{color:var(--tts-text-muted);font-size:.75rem;font-weight:500}._tts-copy-btn{background:var(--tts-primary-bg);height:2rem;color:var(--tts-primary);border-radius:var(--tts-radius-xs);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.375rem;padding:0 .75rem;font-size:.8125rem;font-weight:500;transition:all .15s;display:flex}._tts-copy-btn:hover{background:var(--tts-primary);color:#fff}._tts-copy-btn.copied{background:var(--tts-success);color:#fff}._tts-copy-btn svg{width:14px;height:14px}._tts-output-wrapper{padding:1rem 1.25rem}._tts-output-field{width:100%;font-size:1rem;font-family:var(--main-font-mono);color:var(--tts-primary-dark);background:var(--tts-bg-tertiary);border-style:dashed;border-width:1px;border-color:var(--tts-border);border-radius:var(--tts-radius-sm);letter-spacing:.01em;padding:.875rem 1rem;font-weight:500}._tts-output-field:focus{border-color:var(--tts-primary);background:var(--tts-bg-secondary);outline:none}._tts-output-field::placeholder{color:var(--tts-text-placeholder);font-style:italic;font-weight:400}._tts-output-textarea{width:100%;min-height:140px;max-height:300px;font-size:.9375rem;font-family:var(--main-font-mono);color:var(--tts-primary-dark);background:var(--tts-bg-tertiary);border-style:dashed;border-width:1px;border-color:var(--tts-border);border-radius:var(--tts-radius-sm);resize:vertical;padding:.875rem 1rem;font-weight:500;line-height:1.6}._tts-output-textarea:focus{border-color:var(--tts-primary);background:var(--tts-bg-secondary);outline:none}._tts-output-textarea::placeholder{color:var(--tts-text-placeholder);font-style:italic;font-weight:400}._tts-download-btn{background:var(--tts-success);color:#fff;border-radius:var(--tts-radius-xs);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.375rem;height:2rem;margin-left:.375rem;padding:0 .75rem;font-size:.8125rem;font-weight:500;transition:all .15s;display:flex}._tts-download-btn:hover{opacity:.9}._tts-download-btn svg{width:14px;height:14px}@media (max-width:600px){._tts-copy-btn span,._tts-download-btn span{display:none}._tts-copy-btn,._tts-download-btn{width:2rem;padding:0}._tts-output-stats{display:none}}@media (max-width:480px){._tts-output-header{padding:.5rem .875rem}._tts-output-badge{width:1.5rem;height:1.5rem}._tts-output-badge svg{width:12px;height:12px}._tts-output-title{font-size:.8125rem}._tts-output-wrapper{padding:.875rem 1rem}._tts-output-field{padding:.75rem .875rem;font-size:.9375rem}}