:root{--font-khmer: "Kantumruy Pro", "Siemreap", "Battambang", system-ui, -apple-system, sans-serif;--font-khmer-title: "Moul", "Kantumruy Pro", serif;--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--bg-primary: #F8FAFC;--bg-secondary: #FFFFFF;--bg-tertiary: #F1F5F9;--bg-glass: rgba(255, 255, 255, .85);--bg-card: #FFFFFF;--text-primary: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--text-inverse: #FFFFFF;--border-color: #E2E8F0;--border-light: #F1F5F9;--border-focus: #6366F1;--primary-50: #EEF2FF;--primary-100: #E0E7FF;--primary-500: #6366F1;--primary-600: #4F46E5;--primary-700: #4338CA;--success-bg: #ECFDF5;--success-text: #059669;--success-border: #A7F3D0;--warning-bg: #FFFBEB;--warning-text: #D97706;--warning-border: #FDE68A;--danger-bg: #FEF2F2;--danger-text: #DC2626;--danger-border: #FECACA;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .03);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .04)}.dark{--bg-primary: #090D16;--bg-secondary: #111827;--bg-tertiary: #1E293B;--bg-glass: rgba(17, 24, 39, .85);--bg-card: #111827;--text-primary: #F8FAFC;--text-secondary: #94A3B8;--text-muted: #64748B;--text-inverse: #0F172A;--border-color: #1E293B;--border-light: #1E293B;--border-focus: #818CF8;--primary-50: #1E1B4B;--primary-100: #312E81;--primary-500: #6366F1;--primary-600: #818CF8;--primary-700: #A5B4FC;--success-bg: rgba(6, 78, 59, .4);--success-text: #34D399;--success-border: #065F46;--warning-bg: rgba(120, 53, 15, .4);--warning-text: #FBBF24;--warning-border: #92400E;--danger-bg: rgba(127, 29, 29, .4);--danger-text: #F87171;--danger-border: #991B1B;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .5);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-khmer),var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden;transition:background-color .2s ease,color .2s ease}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-500)}.font-khmer{font-family:var(--font-khmer);line-height:1.75}.font-khmer-title{font-family:var(--font-khmer-title);line-height:1.8}.font-sans{font-family:var(--font-sans)}.font-mono{font-family:var(--font-mono)}.app-container{min-height:100vh;display:flex;flex-direction:column}.max-w-7xl{max-width:1280px;margin:0 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ease}.choice-card:hover{border-color:var(--primary-500);background:var(--bg-tertiary);transform:translateY(-1px)}.choice-card.active{border-color:var(--primary-600);background:var(--primary-50);box-shadow:0 0 0 1px var(--primary-600)}.choice-radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;transition:all .2s ease}.choice-card.active .choice-radio,.mode-card.selected .choice-radio{border-color:var(--primary-600)}.choice-radio-dot{width:9px;height:9px;border-radius:50%;background:var(--primary-600)}.choice-badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--primary-100);color:var(--primary-600)}.quality-pill{padding:12px 14px;border-radius:14px;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);font-weight:600;text-align:center;cursor:pointer;font-size:13px;transition:all .2s ease}.quality-pill:hover{border-color:var(--primary-500);background:var(--bg-tertiary)}.quality-pill.active{background:var(--primary-600);border-color:var(--primary-600);color:#fff;font-weight:700;box-shadow:0 4px 12px #4f46e54d}.switch-track{width:38px;height:22px;border-radius:9999px;background:var(--border-color);position:relative;transition:background .2s ease;cursor:pointer}.switch-track.active{background:var(--primary-600)}.switch-thumb{width:16px;height:16px;border-radius:50%;background:#fff;position:absolute;top:3px;left:3px;transition:transform .2s cubic-bezier(.16,1,.3,1);box-shadow:0 1px 3px #0003}.switch-track.active .switch-thumb{transform:translate(16px)}.processing-glow-icon{width:68px;height:68px;margin:0 auto 18px;border-radius:22px;background:var(--primary-50);color:var(--primary-600);display:flex;align-items:center;justify-content:center;box-shadow:0 0 24px #6366f133;animation:pulseGlow 2s ease infinite}@keyframes pulseGlow{0%,to{transform:scale(1);box-shadow:0 0 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var(--border-color)}.sample-cards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media(max-width:768px){.sample-cards-grid{grid-template-columns:1fr}}.sample-icon-box{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center}.site-header{position:sticky;top:0;z-index:40;width:100%;height:64px;display:flex;align-items:center;border-bottom:1px solid var(--border-color);background:var(--bg-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:0 24px}.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}.brand-wrapper{display:flex;align-items:center;gap:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.brand-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#4f46e5,#06b6d4);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px 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var(--border-color);background:var(--bg-secondary);color:var(--text-primary);font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .15s ease}.ctrl-btn:hover{border-color:var(--primary-500)}.stepper-wrapper{width:100%;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:12px 24px;display:flex;justify-content:center;position:relative;z-index:30}.stepper-inner{display:flex;align-items:center;justify-content:center;max-width:800px;width:100%;gap:8px}.stepper-node{display:flex;align-items:center;gap:8px;background:transparent;border:none;padding:6px 12px;border-radius:9999px;cursor:default;transition:all .2s 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.stepper-label{color:var(--text-primary);font-weight:600}.stepper-line{flex:1;height:2px;background:var(--border-color);max-width:60px;min-width:20px;border-radius:2px;transition:background .3s ease}.stepper-line.filled{background:linear-gradient(90deg,#10b981,#4f46e5)}@media(max-width:640px){.stepper-label{display:none}.stepper-line{max-width:30px}}.btn-primary{background:linear-gradient(135deg,var(--primary-600),var(--primary-700));color:#fff;font-weight:700;border-radius:12px;padding:12px 24px;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 14px #4f46e559;transition:all .2s ease;font-size:15px}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #4f46e573;filter:brightness(1.05)}.btn-express-glow{background:linear-gradient(135deg,#4f46e5,#7c3aed,#06b6d4);background-size:200% auto;color:#fff;font-weight:800;box-shadow:0 4px 20px #6366f173;animation:gradientShift 4s ease 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var(--primary-100);color:var(--primary-600);font-size:13px;font-weight:700;margin-bottom:20px}.hero-title{font-size:42px;font-weight:800;color:var(--text-primary);letter-spacing:-.5px;line-height:1.3}.hero-subtitle{font-size:16px;color:var(--text-secondary);max-width:680px;margin:16px auto 0;line-height:1.7}.upload-tabs{display:flex;gap:8px;justify-content:center;margin:32px 0 16px}.tab-button{padding:10px 20px;border-radius:12px;font-size:14px;font-weight:600;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .15s ease}.tab-button.active{background:var(--primary-600);color:#fff;border-color:var(--primary-600);box-shadow:0 4px 12px #4f46e54d}.drop-zone{width:100%;max-width:768px;border:2px dashed var(--border-color);border-radius:28px;padding:56px 32px;background:var(--bg-card);cursor:pointer;transition:all .2s 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var(--border-color)}.drop-chip-highlight{background:var(--primary-50);color:var(--primary-600);border-color:var(--primary-100)}.upload-action-stack{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:420px;margin:18px auto 6px}.btn-browse-main{width:100%;background:#3b66d1;color:#fff;font-weight:600;font-size:16px;padding:13px 24px;border-radius:8px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #00000014;transition:all .15s ease}.btn-browse-main:hover{background:#3054b2;box-shadow:0 4px 8px #00000024;transform:translateY(-1px)}.btn-paste-clipboard{width:100%;background:var(--bg-card);color:#3b66d1;font-weight:600;font-size:16px;padding:12px 24px;border-radius:8px;border:1.5px solid #CBD5E1;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 1px 2px #0000000a;transition:all .15s ease}.btn-paste-clipboard:hover{background:var(--bg-tertiary);border-color:#3b66d1;transform:translateY(-1px)}.paste-btn-icon{color:#3b66d1;flex-shrink:0}.btn-secondary-action{background:var(--bg-secondary);color:var(--text-primary);font-weight:700;border-radius:12px;padding:12px 20px;border:1.5px solid var(--border-color);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:var(--shadow-sm);transition:all .2s cubic-bezier(.16,1,.3,1);font-size:14px}.btn-secondary-action:hover{background:var(--primary-50);border-color:var(--primary-500);color:var(--primary-600);transform:translateY(-1px);box-shadow:var(--shadow-md)}.kbd-shortcut{font-size:11px;font-family:var(--font-mono);font-weight:700;padding:2px 6px;border-radius:6px;background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color);margin-left:4px}.kbd-shortcut-light{font-size:11px;font-family:var(--font-mono);font-weight:700;padding:2px 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var(--border-color);border-radius:18px;padding:16px 20px;text-align:left;box-shadow:var(--shadow-sm)}.paste-text-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.paste-text-label{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--text-primary)}.paste-text-count{font-size:11px;color:var(--text-muted);font-weight:600}.paste-textarea{width:100%;border-radius:12px;border:1.5px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-primary);padding:12px 14px;font-size:14px;line-height:1.7;resize:vertical;min-height:100px;transition:all .2s ease;outline:none}.paste-textarea:focus{border-color:var(--primary-500);background:var(--bg-secondary);box-shadow:0 0 0 3px #6366f126}.clipboard-toast{position:fixed;top:76px;left:50%;transform:translate(-50%);z-index:100;display:flex;align-items:center;gap:10px;padding:12px 22px;border-radius:9999px;font-size:14px;font-weight:600;box-shadow:var(--shadow-xl);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.toast-success{background:#064e3b;color:#ecfdf5;border:1px solid #059669}.toast-warning{background:#78350f;color:#fef3c7;border:1px solid #D97706}.animate-fade-in{animation:toastFadeIn .3s cubic-bezier(.16,1,.3,1)}@keyframes toastFadeIn{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}.feature-pill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;width:100%;max-width:768px;margin-top:24px}.feature-pill{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 14px;border-radius:14px;background:var(--bg-card);border:1px solid var(--border-color);font-size:13px;font-weight:600;color:var(--text-secondary);box-shadow:var(--shadow-sm)}.sample-section{width:100%;max-width:960px;margin-top:48px}.sample-header{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;color:var(--text-secondary);margin-bottom:16px}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.sample-card{padding:18px;border-radius:18px;background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;text-align:left;transition:all .2s ease;box-shadow:var(--shadow-sm)}.sample-card:hover{border-color:var(--primary-500);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.sample-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.sample-type-badge{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--primary-600)}.sample-acc-badge{font-size:11px;font-weight:700;padding:2px 6px;border-radius:6px;background:var(--success-bg);color:var(--success-text)}.sample-title{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.sample-desc{font-size:12px;color:var(--text-secondary);line-height:1.5;margin-bottom:14px}.sample-link{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:700;color:var(--primary-600)}.page-screen{padding:40px 24px;width:100%}.screen-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.back-button{background:transparent;border:none;color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px}.back-button:hover{color:var(--primary-600)}.screen-title{font-size:22px;font-weight:800;color:var(--text-primary)}.analysis-layout{display:grid;grid-template-columns:320px 1fr;gap:24px}.detail-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border-light);font-size:13px}.detail-label{color:var(--text-secondary)}.detail-value{font-weight:700;color:var(--text-primary)}.lang-bar{margin:14px 0}.lang-bar-label{display:flex;justify-content:space-between;font-size:13px;font-weight:700;margin-bottom:6px}.lang-progress-track{width:100%;height:10px;background:var(--bg-tertiary);border-radius:9999px;overflow:hidden}.lang-progress-fill{height:100%;background:linear-gradient(90deg,#4f46e5,#06b6d4);border-radius:9999px;transition:width .4s ease}.checklist-box{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;border:1px solid var(--border-color);margin-bottom:10px;cursor:pointer;background:var(--bg-card);transition:all .15s ease}.checklist-box:hover{border-color:var(--primary-500);background:var(--bg-tertiary)}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.mode-card{padding:18px;border-radius:18px;border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;transition:all .15s ease}.mode-card.selected{border-color:var(--primary-600);background:var(--primary-50);box-shadow:0 0 0 1px var(--primary-600)}.toggle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.toggle-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:14px;border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;font-size:13px;font-weight:600;transition:all .15s ease}.toggle-item:hover{background:var(--bg-tertiary)}.pipeline-box{max-width:680px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border-color);border-radius:24px;padding:32px;box-shadow:var(--shadow-lg);text-align:left}.pipeline-step-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:12px;margin-bottom:8px;font-size:14px;transition:all .15s ease}.pipeline-step-item.active{background:var(--primary-50);color:var(--primary-600);font-weight:700;border:1px solid var(--primary-100)}.pipeline-step-item.finished{color:var(--text-primary)}.pipeline-step-item.pending{color:var(--text-muted);opacity:.6}.editor-workspace{display:flex;flex-direction:column;height:calc(100vh - 64px);width:100%;overflow:hidden}.editor-topbar{height:56px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary);padding:0 20px;display:flex;align-items:center;justify-content:space-between;z-index:10}.editor-main-area{flex:1;display:flex;overflow:hidden}.sidebar-pages{width:180px;border-right:1px solid var(--border-color);background:var(--bg-secondary);padding:16px 12px;overflow-y:auto}.page-thumb-box{padding:8px;border-radius:12px;border:1px solid var(--border-color);background:var(--bg-primary);margin-bottom:12px;cursor:pointer;transition:all .15s ease}.page-thumb-box.active{border-color:var(--primary-600);box-shadow:0 0 0 2px var(--primary-500);background:var(--primary-50)}.panes-wrapper{flex:1;display:flex;overflow:hidden;position:relative}.pane-view{height:100%;overflow:hidden;display:flex;flex-direction:column}.pane-header{height:48px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary);padding:0 16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700}.pane-content-scroll{flex:1;overflow:auto;padding:24px;display:flex;justify-content:center;background:var(--bg-primary)}.split-resizer{width:8px;background:var(--border-color);cursor:col-resize;position:relative;-webkit-user-select:none;user-select:none;transition:background .15s ease}.split-resizer:hover,.split-resizer:active{background:var(--primary-500)}.split-resizer:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:4px;height:32px;border-radius:2px;background:var(--text-muted)}.word-document-paper{width:100%;max-width:780px;background:#fff;border-radius:12px;box-shadow:var(--shadow-xl);border:1px solid var(--border-color);padding:48px;min-height:900px;color:#1e293b;font-family:var(--font-khmer)}.dark .word-document-paper{background:#111827;color:#f8fafc;border-color:#1e293b}.ocr-high-confidence{border-bottom:2px solid transparent;padding:1px 2px}.ocr-medium-confidence{border-bottom:2px dashed #F59E0B;background-color:#f59e0b1f;border-radius:3px;padding:1px 4px;cursor:pointer;transition:all .15s ease}.ocr-medium-confidence:hover{background-color:#f59e0b40}.ocr-low-confidence{border-bottom:2px solid #EF4444;background-color:#ef444426;border-radius:3px;padding:1px 4px;cursor:pointer;font-weight:600;transition:all .15s ease}.ocr-low-confidence:hover{background-color:#ef444447;outline:1px solid #EF4444}.editable-word-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}.editable-word-table th,.editable-word-table td{border:1px solid var(--border-color);padding:10px 14px;text-align:left;outline:none}.editable-word-table th{background:var(--bg-tertiary);font-weight:700;color:var(--text-primary)}.editable-word-table td:focus,.editable-word-table th:focus{background:#6366f114;box-shadow:inset 0 0 0 2px var(--primary-500)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:16px}.modal-card{width:100%;max-width:560px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:24px;box-shadow:var(--shadow-xl);overflow:hidden;display:flex;flex-direction:column}.modal-header{padding:16px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-tertiary)}.modal-body{padding:24px;overflow-y:auto;max-height:70vh}.modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-tertiary)}.khmer-palette-box{display:flex;flex-wrap:wrap;gap:6px;padding:12px;background:var(--bg-tertiary);border-radius:14px;border:1px solid var(--border-color);max-height:140px;overflow-y:auto}.khmer-key-btn{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);border-radius:8px;padding:6px 10px;font-family:var(--font-khmer);font-size:15px;cursor:pointer;transition:all .15s ease}.khmer-key-btn:hover{background:var(--primary-50);border-color:var(--primary-500);color:var(--primary-600);transform:scale(1.08)}.format-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0}.format-card{padding:24px;border-radius:20px;border:1px solid var(--border-color);background:var(--bg-card);display:flex;flex-direction:column;justify-content:space-between;transition:all .2s ease;box-shadow:var(--shadow-sm)}.format-card.primary{border:2px solid var(--primary-600);background:var(--primary-50);box-shadow:var(--shadow-lg)}.history-table-box{width:100%;overflow-x:auto;border-radius:16px;border:1px solid var(--border-color);background:var(--bg-card);box-shadow:var(--shadow-sm)}.history-table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}.history-table th{padding:14px 18px;background:var(--bg-tertiary);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.history-table td{padding:16px 18px;border-bottom:1px solid var(--border-light);color:var(--text-primary)}.history-table tr:hover td{background:#6366f10a}@media(max-width:900px){.analysis-layout,.sample-grid,.mode-grid,.format-card-grid{grid-template-columns:1fr}.feature-pill-grid{grid-template-columns:repeat(2,1fr)}.toggle-grid{grid-template-columns:1fr}}