@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;700;900&display=swap";:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--primary-light:#6366f11f;--secondary-bg:#ffffffa6;--secondary-hover:#ffffffd9;--bg-gradient:linear-gradient(135deg, #e0e7ff 0%, #fae8ff 50%, #e0f2fe 100%);--glass-bg:#ffffffb8;--glass-card:#ffffffd1;--glass-border:#fff9;--text-primary:#1e1b4b;--text-secondary:#4b5563;--text-muted:#6b7280;--danger-color:#ef4444;--danger-hover:#dc2626;--success-color:#10b981;--card-shadow:0 12px 36px -4px #6366f11f, 0 4px 16px -2px #0000000a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-primary);background-attachment:fixed;min-height:100vh;font-family:Plus Jakarta Sans,Noto Sans SC,system-ui,-apple-system,sans-serif;overflow-x:hidden}.app-viewport{flex-direction:column;min-height:100vh;display:flex}.app-navbar{-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);z-index:50;background:#ffffffd9;justify-content:space-between;align-items:center;padding:1rem 2.5rem;display:flex;position:relative}.navbar-brand{align-items:center;gap:.75rem;display:flex}.brand-icon{background:linear-gradient(135deg,#6366f1,#a855f7);border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;display:flex;box-shadow:0 4px 12px #6366f14d}.navbar-brand h1{background:linear-gradient(135deg,#3730a3,#7e22ce);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.35rem;font-weight:700}.navbar-actions{align-items:center;gap:.75rem;display:flex}.btn-nav{color:var(--text-primary);cursor:pointer;background:#ffffffb3;border:1px solid #00000014;border-radius:10px;align-items:center;gap:.4rem;padding:.5rem .9rem;font-size:.88rem;font-weight:600;transition:all .2s;display:flex}.btn-nav:hover{background:#fff;transform:translateY(-1px);box-shadow:0 4px 12px #0000000f}.main-content-container{flex-direction:column;flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2rem;display:flex}.upload-container{flex-direction:column;align-items:center;gap:2rem;width:100%;max-width:680px;margin:4rem auto;display:flex}.app-badge{color:var(--primary-color);background:#6366f126;border-radius:9999px;align-items:center;gap:.5rem;padding:.4rem 1rem;font-size:.9rem;font-weight:600;display:inline-flex}.upload-dropzone{background:var(--glass-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);text-align:center;cursor:pointer;width:100%;box-shadow:var(--card-shadow);border:2px dashed #6366f166;border-radius:28px;padding:4rem 2rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.upload-dropzone:hover,.upload-dropzone.dragover{border-color:var(--primary-color);background:#fffffff2;transform:translateY(-4px);box-shadow:0 20px 40px -8px #6366f133}.upload-icon-wrapper{background:var(--primary-light);border-radius:24px;justify-content:center;align-items:center;width:88px;height:88px;margin:0 auto 1.5rem;display:flex}.upload-content h3{margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.upload-hint{color:var(--text-muted);margin-bottom:2rem;font-size:.95rem}.btn-upload-cta{margin:0 auto}.feature-hints{flex-wrap:wrap;justify-content:center;gap:1.5rem;display:flex}.hint-item{color:var(--text-secondary);align-items:center;gap:.4rem;font-size:.9rem;font-weight:500;display:flex}.workspace-split-layout{grid-template-columns:1fr 1fr;align-items:start;gap:2rem;display:grid}@media (width<=992px){.workspace-split-layout{grid-template-columns:1fr}}.pdf-preview-card{background:var(--glass-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:var(--card-shadow);border-radius:24px;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex}.pdf-preview-header{justify-content:space-between;align-items:center;display:flex}.page-badge{color:var(--text-primary);background:#0000000d;border-radius:8px;padding:.35rem .8rem;font-size:.9rem;font-weight:700}.selected-badge{color:var(--success-color);background:#10b9811a;border-radius:8px;align-items:center;gap:.3rem;padding:.35rem .75rem;font-size:.82rem;font-weight:600;display:flex}.canvas-wrapper{background:#f8fafc;border:1px solid #00000014;border-radius:16px;justify-content:center;align-items:center;min-height:480px;display:flex;position:relative;overflow:hidden}.pdf-canvas{max-width:100%;display:block;box-shadow:0 4px 20px #0000000d;height:auto!important}.rendering-overlay{color:var(--primary-color);background:#ffffffb3;justify-content:center;align-items:center;font-size:.9rem;font-weight:600;display:flex;position:absolute;inset:0}.page-nav-controls{justify-content:space-between;align-items:center;gap:1rem;display:flex}.thumbnail-dots{flex:1;align-items:center;display:flex}.page-slider{cursor:pointer;width:100%}.quick-page-actions{border-top:1px solid #0000000f;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;padding-top:1rem;display:flex}.word-list-card{background:var(--glass-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:var(--card-shadow);border-radius:24px;flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.range-selector-box{background:#fff9;border:1px solid #0000000f;border-radius:16px;padding:1rem 1.25rem}.section-title{align-items:center;gap:.5rem;margin-bottom:.75rem;display:flex}.section-title h3{font-size:1rem;font-weight:700}.range-inputs-row{align-items:center;gap:1rem;display:flex}.range-field{align-items:center;gap:.5rem;display:flex}.range-field label{color:var(--text-secondary);font-size:.88rem;font-weight:600}.range-field input{text-align:center;border:1px solid #00000026;border-radius:8px;width:70px;padding:.4rem .6rem;font-size:.95rem;font-weight:600}.range-divider{color:var(--text-muted);font-weight:600}.words-header{justify-content:space-between;align-items:center;display:flex}.words-header h3{font-size:1.1rem;font-weight:700}.words-counter{color:var(--primary-color);font-size:.85rem;font-weight:600}.click-edit-hint{color:var(--text-muted);align-items:center;gap:.3rem;margin-top:.2rem;font-size:.78rem;display:flex}.words-grid{background:#ffffff80;border:1px solid #0000000d;border-radius:16px;flex-wrap:wrap;gap:.5rem;max-height:320px;padding:.75rem;display:flex;overflow-y:auto}.word-chip{color:var(--text-primary);-webkit-user-select:none;user-select:none;background:#fff;border:1px solid #6366f133;border-radius:10px;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:1.15rem;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:0 2px 6px #0000000a}.word-chip:hover{border-color:var(--primary-color);transform:translateY(-1px);box-shadow:0 4px 10px #6366f126}.word-chip.is-editing{border-color:var(--primary-color);box-shadow:0 0 0 2px #6366f140}.word-chip .word-text{cursor:pointer;border-bottom:1px dashed #0000;padding:0 .15rem;transition:all .2s}.word-chip .word-text:hover{color:var(--primary-color);border-bottom-color:var(--primary-color)}.chip-edit-input{color:var(--text-primary);text-align:center;border:1px solid var(--primary-color);background:#fff;border-radius:6px;outline:none;width:2.5rem;padding:.1rem .25rem;font-family:inherit;font-size:1.15rem;font-weight:700}.chip-remove-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:2px;transition:all .2s;display:flex}.chip-remove-btn:hover{color:var(--danger-color);background:#ef44441a}.add-word-form{gap:.5rem;display:flex}.add-word-input{background:#fffc;border:1px solid #0000001a;border-radius:12px;outline:none;flex:1;padding:.6rem 1rem;font-size:.95rem}.add-word-input:focus{border-color:var(--primary-color);background:#fff}.empty-words-state,.extracting-state{text-align:center;color:var(--text-muted);padding:3rem 1rem;font-size:.95rem}.spin-icon{color:var(--primary-color);margin-bottom:.5rem;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.player-modal-card{background:var(--glass-card);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid var(--glass-border);text-align:center;border-radius:32px;flex-direction:column;gap:1.75rem;width:100%;max-width:800px;margin:2rem auto;padding:2.5rem;display:flex;box-shadow:0 20px 50px -10px #6366f133}.back-icon-btn{color:var(--primary-color);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;margin-left:-.5rem;padding:.25rem;transition:all .2s;display:flex}.back-icon-btn:hover{background:#6366f11a;transform:translate(-2px)}.player-top-bar{justify-content:space-between;align-items:center;display:flex}.progress-info{color:var(--text-secondary);font-size:1rem;font-weight:700}.mic-badge{color:var(--success-color);background:#10b9811f;border-radius:9999px;align-items:center;gap:.4rem;padding:.35rem .85rem;font-size:.85rem;font-weight:600;display:flex}.mic-pulse-dot{background:var(--success-color);border-radius:50%;width:8px;height:8px;animation:1.5s infinite pulse}.progress-bar-track{background:#0000000f;border-radius:9999px;width:100%;height:6px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg,#6366f1,#a855f7);height:100%;transition:width .3s}.speech-prompt-banner{color:var(--primary-color);background:#6366f114;border-radius:12px;padding:.6rem 1.2rem;font-size:.95rem;font-weight:600}.word-presentation-area{justify-content:center;align-items:center;min-height:220px;margin:1rem 0;display:flex;position:relative}.active-word-text{color:var(--text-primary);text-shadow:0 4px 16px #00000014;letter-spacing:.1em;font-size:7rem;font-weight:900;transition:all .3s}.active-word-text.blind-hidden{opacity:0;transform:scale(.9)}.blind-mask-overlay{letter-spacing:.3em;color:var(--text-muted);font-size:4rem;position:absolute}.player-control-dock{flex-wrap:wrap;justify-content:center;align-items:center;gap:1rem;display:flex}.dock-btn{cursor:pointer;border:none;border-radius:16px;align-items:center;gap:.5rem;padding:.85rem 1.5rem;font-size:1rem;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.dock-btn:active{transform:scale(.95)}.dock-btn.primary{background:var(--primary-color);color:#fff;box-shadow:0 8px 20px -4px #6366f166}.dock-btn.primary:hover{background:var(--primary-hover)}.dock-btn.highlight{color:#fff;background:linear-gradient(135deg,#8b5cf6,#ec4899);box-shadow:0 8px 20px -4px #ec48994d}.dock-btn.secondary{color:var(--text-primary);background:#ffffffd9;border:1px solid #00000014}.dock-btn.secondary:hover{background:#fff;box-shadow:0 4px 12px #0000000d}.finish-card{padding:3.5rem 2rem}.finish-icon{background:var(--primary-light);border-radius:24px;justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto;display:flex}.finish-summary{color:var(--text-muted);margin-bottom:1.5rem;font-size:1.1rem}.completed-words-review{background:#ffffff80;border-radius:16px;flex-wrap:wrap;justify-content:center;gap:.5rem;max-height:200px;margin-bottom:2rem;padding:1rem;display:flex;overflow-y:auto}.reviewed-word-chip{background:#fff;border-radius:8px;padding:.3rem .6rem;font-size:.95rem;font-weight:600;box-shadow:0 2px 4px #00000008}.finish-actions{justify-content:center;gap:1rem;display:flex}.btn-primary{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:14px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:0 4px 14px #6366f14d}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 20px #6366f159}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary.btn-large{width:100%;padding:1rem;font-size:1.1rem}.btn-secondary{color:var(--text-primary);cursor:pointer;background:#fffc;border:1px solid #0000001a;border-radius:12px;align-items:center;gap:.4rem;padding:.6rem 1.2rem;font-size:.95rem;font-weight:600;display:inline-flex}.btn-secondary:hover:not(:disabled){background:#fff}.btn-secondary-sm{color:var(--text-primary);cursor:pointer;background:#ffffffb3;border:1px solid #00000014;border-radius:8px;align-items:center;gap:.3rem;padding:.35rem .7rem;font-size:.82rem;font-weight:600;display:inline-flex}.btn-secondary-sm:hover{background:#fff}.btn-icon-sm{cursor:pointer;background:#ffffffb3;border:1px solid #00000014;border-radius:8px;align-items:center;gap:.3rem;padding:.35rem .65rem;font-size:.85rem;font-weight:600;display:inline-flex}.btn-icon-sm:disabled{opacity:.4;cursor:not-allowed}.spinner{border:3px solid #6366f133;border-top-color:var(--primary-color);border-radius:50%;width:36px;height:36px;margin:0 auto 1rem;animation:.8s linear infinite spin}.modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background:#0f172a80;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.batch-modal-card{background:#fff;border-radius:24px;flex-direction:column;gap:1rem;width:100%;max-width:520px;padding:2rem;display:flex;box-shadow:0 25px 50px -12px #00000040}.batch-modal-card h3{font-size:1.25rem;font-weight:700}.modal-hint{color:var(--text-muted);font-size:.9rem}.batch-textarea{resize:vertical;border:1px solid #00000026;border-radius:12px;outline:none;width:100%;padding:.75rem 1rem;font-family:inherit;font-size:1rem}.batch-textarea:focus{border-color:var(--primary-color)}.modal-actions{justify-content:flex-end;gap:.75rem;display:flex}.btn-icon-sm.active-tab{background:var(--primary-color);color:#fff}.tts-settings-panel{text-align:left;background:#ffffffb3;border:1px solid #6366f133;border-radius:18px;flex-direction:column;gap:1rem;padding:1.25rem 1.5rem;animation:.2s fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.tts-setting-row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.tts-setting-row label{color:var(--text-primary);align-items:center;gap:.3rem;font-size:.88rem;font-weight:700;display:inline-flex}.engine-options-group{flex-wrap:wrap;gap:.5rem;display:flex}.engine-pill-btn{color:var(--text-primary);cursor:pointer;background:#fff;border:1px solid #0000001a;border-radius:10px;padding:.4rem .85rem;font-size:.85rem;font-weight:600;transition:all .2s}.engine-pill-btn:hover{border-color:var(--primary-color)}.engine-pill-btn.selected{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 2px 8px #6366f14d}.voice-select{cursor:pointer;text-overflow:ellipsis;background:#fff;border:1px solid #00000026;border-radius:10px;outline:none;max-width:320px;padding:.4rem .8rem;font-size:.88rem;font-weight:600;overflow:hidden}.voice-select:focus{border-color:var(--primary-color)}.model-loading-indicator{color:var(--primary-color);background:#6366f11f;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1rem;font-size:.9rem;font-weight:600;animation:1.5s infinite pulse;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;background:#0006;justify-content:center;align-items:center;animation:.25s fadeIn;display:flex;position:fixed;inset:0}.volc-settings-card{background:#fff;border:1px solid #fffc;border-radius:20px;width:90%;max-width:480px;animation:.3s cubic-bezier(.34,1.56,.64,1) scaleUp;overflow:hidden;box-shadow:0 12px 36px #00000026}.modal-header{border-bottom:1px solid #00000014;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-header h3{color:var(--text-primary);margin:0;font-size:1.15rem;font-weight:700}.close-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:.2rem;font-size:1.5rem;line-height:1;transition:color .2s}.close-btn:hover{color:var(--danger-color)}.modal-body{padding:1.5rem}.settings-desc{color:var(--text-secondary);border-left:4px solid var(--primary-color);background:#f3f4f699;border-radius:12px;margin-bottom:1.25rem;padding:.8rem 1rem;font-size:.85rem;line-height:1.5}.form-field{flex-direction:column;gap:.4rem;margin-bottom:1.25rem;display:flex}.form-field label{color:var(--text-primary);font-size:.85rem;font-weight:600}.form-field input{background:#fdfdfd;border:1px solid #00000026;border-radius:12px;outline:none;padding:.65rem .9rem;font-size:.9rem;transition:all .2s}.form-field input:focus{border-color:var(--primary-color);background:#fff;box-shadow:0 0 0 3px #6366f11f}.modal-footer{background:#f9fafb;border-top:1px solid #0000000d;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;display:flex}.btn-nav.active-badge{border-color:var(--success-color);color:var(--success-color);background:#10b98114;box-shadow:0 0 10px #10b98126}.btn-nav.active-badge:hover{background:#10b9811f}@keyframes scaleUp{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@media (width<=768px){.app-viewport{padding-bottom:2rem}.main-content-container{margin-top:0;padding:1rem}.app-navbar{gap:.5rem;padding:.75rem 1rem}.navbar-brand h1{font-size:1.1rem}.btn-nav span{display:none}.btn-nav{padding:.5rem}.player-modal-card{border-radius:20px;gap:1.2rem;margin:1rem auto;padding:1.25rem}.player-top-bar{background:#f8fafc;border-bottom:1px solid #0000000f;border-radius:20px 20px 0 0;flex-direction:column;align-items:center;gap:.75rem;margin:-1.25rem -1.25rem 1rem;padding:1rem 1.25rem;display:flex;position:relative}.back-icon-btn{margin:0;position:absolute;top:.75rem;left:1rem}.mic-badge{padding:.4rem .6rem;font-size:.8rem}.progress-info{text-align:center;width:100%;font-size:.95rem}.word-presentation-area{min-height:150px;margin:.5rem 0}.active-word-text{font-size:4.5rem}.blind-mask-overlay{font-size:2.5rem}.player-control-dock{gap:.5rem}.dock-btn{white-space:nowrap;flex:auto;justify-content:center;padding:.65rem 1rem;font-size:.9rem}.tts-settings-panel{gap:1rem;padding:1rem}.tts-setting-row{flex-direction:column;align-items:flex-start;gap:.5rem}.engine-options-group{flex-wrap:wrap;justify-content:flex-start;width:100%}.engine-pill-btn{text-align:center;flex:calc(50% - .5rem);justify-content:center;padding:.6rem .5rem;font-size:.85rem}.voice-select,.speed-select{width:100%}.upload-dropzone{padding:2.5rem 1rem}.words-grid{max-height:250px}.word-chip{padding:.35rem .6rem;font-size:1rem}.range-inputs-row{flex-wrap:wrap;justify-content:center;gap:.5rem}.range-inputs-row button{justify-content:center;width:100%;margin-top:.25rem}.words-header{flex-direction:column;align-items:flex-start;gap:.75rem}.words-header>div:first-child h3{white-space:normal}.words-header>div:last-child{justify-content:space-between;width:100%;display:flex}.words-header>div:last-child button{white-space:nowrap;flex:1;justify-content:center}.quick-page-actions button{white-space:nowrap;flex:calc(50% - .5rem);justify-content:center}}.global-lock-screen{background:var(--bg-gradient);z-index:9999;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lock-card{background:var(--glass-card);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid var(--glass-border);box-shadow:var(--card-shadow);text-align:center;border-radius:20px;width:90%;max-width:400px;padding:3rem 2rem;animation:.5s ease-out slideUpFade}.lock-icon{margin-bottom:1rem;font-size:3rem}.lock-card h2{color:var(--text-primary);margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.lock-card p{color:var(--text-secondary);margin-bottom:2rem;font-size:.95rem;line-height:1.5}.lock-form{flex-direction:column;gap:1rem;display:flex}.lock-form input{text-align:center;border:2px solid #0000001a;border-radius:12px;outline:none;padding:.8rem 1rem;font-size:1rem;transition:all .2s}.lock-form input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-light)}.lock-form button{border-radius:12px;padding:.8rem;font-size:1rem}