:root{--font-main: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-serif: "Georgia", "Times New Roman", serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-elevated: #ffffff;--bg-dark: #0f172a;--bg-dark-secondary: #1e293b;--bg-dark-muted: #334155;--text-main: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--text-light: #94a3b8;--border-light: #e2e8f0;--border-strong: #cbd5e1;--border-focus: #3b82f6;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);--primary-light: #eff6ff;--primary-border: #bfdbfe;--primary-focus: rgba(37, 99, 235, .2);--accent: #6366f1;--accent-light: #eef2ff;--success: #10b981;--success-dark: #059669;--success-light: #ecfdf5;--success-border: #a7f3d0;--danger: #ef4444;--danger-hover: #dc2626;--danger-light: #fef2f2;--danger-border: #fecaca;--warning: #f59e0b;--warning-light: #fffbeb;--topbar-height: 56px;--toolbar-left-width: 68px;--sidebar-right-width: 360px;--shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 14px -2px rgba(15, 23, 42, .08), 0 2px 6px -1px rgba(15, 23, 42, .04);--shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, .12), 0 4px 10px -2px rgba(15, 23, 42, .04);--shadow-xl: 0 22px 36px -6px rgba(15, 23, 42, .16), 0 8px 16px -4px rgba(15, 23, 42, .06);--shadow-glow: 0 0 16px rgba(37, 99, 235, .25);--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font-main);background-color:var(--bg-secondary);color:var(--text-main);touch-action:none;-webkit-touch-callout:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.app-root{display:flex;flex-direction:column;width:100vw;height:100vh;overflow:hidden;background:var(--bg-secondary)}.topbar{height:var(--topbar-height);background:#fffffff2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;padding:0 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#00000005}.slide-counter{font-size:.8rem;font-family:var(--font-mono);font-weight:600;min-width:48px;text-align:center;color:var(--text-secondary);padding:0 4px}.styled-select{background-color:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-md);padding:6px 12px;font-size:.825rem;font-weight:600;color:var(--text-main);cursor:pointer;outline:none;transition:all var(--transition-fast);box-shadow:var(--shadow-xs)}.styled-select:hover{border-color:#94a3b8;background-color:#fff}.styled-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-focus)}.select-subject{background:#f0fdf4;color:#166534;border-color:#bbf7d0;font-weight:700;box-shadow:0 1px 3px 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8px;gap:4px;box-shadow:var(--shadow-lg);z-index:45}.hud-btn{width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary);border:none;font-weight:700;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-main);transition:all var(--transition-fast)}.hud-btn:hover{background:var(--primary-light);color:var(--primary);transform:scale(1.08)}.hud-value{font-size:.8rem;font-family:var(--font-mono);font-weight:700;min-width:48px;text-align:center;cursor:pointer;color:var(--text-secondary)}.fab-fullscreen-btn{position:absolute;bottom:20px;right:20px;width:48px;height:48px;border-radius:50%;background:#0f172a;color:#fff;border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 25px #0f172a59;cursor:pointer;z-index:45;transition:transform var(--transition-fast),background var(--transition-fast)}.fab-fullscreen-btn:hover{transform:scale(1.08);background:#1e293b}.fab-fullscreen-btn svg{width:22px;height:22px;fill:currentColor}.sidebar-right{width:var(--sidebar-right-width);background:#fffffffa;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-left:1px solid var(--border-light);display:flex;flex-direction:column;z-index:60;box-shadow:-2px 0 8px #0f172a0a;transition:transform var(--transition-normal)}.sidebar-right.collapsed{transform:translate(100%);position:absolute;right:0;height:100%}.sidebar-header{height:52px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:#fff}.sidebar-title{font-size:.95rem;font-weight:800;letter-spacing:-.01em;color:var(--text-main)}.sidebar-content{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px;background:var(--bg-secondary)}.module-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-fast),border-color var(--transition-fast)}.module-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong)}.module-card-title{font-size:.85rem;font-weight:800;color:var(--text-main);display:flex;align-items:center;justify-content:space-between;letter-spacing:-.01em}.btn-group-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.btn-group-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.module-btn{background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:10px 8px;font-size:.8rem;font-weight:700;color:var(--text-main);cursor:pointer;text-align:center;transition:all var(--transition-fast);display:flex;flex-direction:column;align-items:center;gap:4px}.module-btn:hover{background:var(--primary-light);border-color:var(--primary-border);color:var(--primary);transform:translateY(-1px)}.module-btn.active{background:var(--primary-gradient);color:#fff;border-color:transparent;box-shadow:0 4px 12px #2563eb4d}.calligraphy-char-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;max-height:160px;overflow-y:auto;padding:6px;background:var(--bg-tertiary);border-radius:var(--radius-md)}.calligraphy-btn{height:38px;font-family:Times New Roman,serif;font-size:1.2rem;font-style:italic;background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.calligraphy-btn:hover{background:#eff6ff;border-color:#93c5fd;color:#2563eb;font-weight:700;transform:scale(1.08)}.sound-chips{display:flex;gap:8px}.sound-chip{flex:1;height:42px;border-radius:var(--radius-md);border:2px dashed #cbd5e1;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;cursor:pointer;background:#fff;transition:all var(--transition-fast)}.sound-chip:hover{transform:scale(1.04)}.sound-chip[data-sound=vowel]{border-color:#ef4444;color:#ef4444;background:#fef2f2}.sound-chip[data-sound=consonant_hard]{border-color:#2563eb;color:#2563eb;background:#eff6ff}.sound-chip[data-sound=consonant_soft]{border-color:#10b981;color:#10b981;background:#ecfdf5}.periodic-table-mini-grid{display:grid;grid-template-columns:repeat(18,1fr);gap:3px;overflow-x:auto;padding:8px;background:#0f172a;border-radius:var(--radius-md)}.pt-element{width:24px;height:30px;border-radius:3px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.65rem;font-weight:800;color:#fff;cursor:pointer;transition:transform var(--transition-fast)}.pt-element:hover{transform:scale(1.35);z-index:10;box-shadow:0 0 10px #ffffffe6}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a99;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:999;display:flex;align-items:center;justify-content:center;padding:20px}.modal-dialog{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:680px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;animation:modalPop .22s cubic-bezier(.16,1,.3,1);border:1px solid var(--border-light)}@keyframes modalPop{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.modal-header{height:56px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-light);background:#fff}.modal-header h3{font-size:1.1rem;font-weight:800;color:var(--text-main);letter-spacing:-.02em}.modal-body{padding:20px;overflow-y:auto;flex:1;color:var(--text-secondary);line-height:1.6}.floating-shape-toolbar{position:absolute;z-index:280;display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid #cbd5e1;border-radius:12px;padding:6px 12px;box-shadow:0 10px 28px #0f172a29,0 2px 6px #0f172a0f;-webkit-user-select:none;user-select:none;animation:popIn .12s ease-out}@keyframes popIn{0%{opacity:0;transform:scale(.95) translateY(4px)}to{opacity:1;transform:scale(1) translateY(0)}}.fl-tool-group{display:flex;align-items:center;gap:6px}.fl-label{font-size:11px;font-weight:700;color:#64748b;text-transform:uppercase}.fl-divider{width:1px;height:22px;background:#e2e8f0}.fl-color-presets{display:flex;align-items:center;gap:4px}.fl-dot{width:18px;height:18px;border-radius:50%;border:1.5px solid #ffffff;box-shadow:0 0 0 1px #cbd5e1;cursor:pointer;padding:0;transition:transform .1s}.fl-dot:hover{transform:scale(1.2)}.fl-color-pick{width:24px;height:24px;border:none;border-radius:50%;cursor:pointer;padding:0;background:transparent}.fl-btn{background:#f1f5f9;border:1px solid #cbd5e1;border-radius:6px;padding:4px 8px;font-size:12px;font-weight:600;color:#1e293b;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .12s}.fl-btn:hover{background:#e2e8f0;color:#0f172a}.fl-btn.active{background:#dbeafe;border-color:#3b82f6;color:#1d4ed8}.fl-btn-danger{background:#fee2e2;border-color:#fca5a5;color:#dc2626}.fl-btn-danger:hover{background:#fecaca;color:#b91c1c}.sel-rotate-knob{cursor:grab}.sel-rotate-knob circle:hover{fill:#1d4ed8;stroke:#dbeafe}@media(max-width:1200px){:root{--sidebar-right-width: 320px}.sidebar-right{position:absolute;right:0;top:0;bottom:0;height:100%;z-index:90;box-shadow:-4px 0 20px #0f172a26}.topbar{padding:0 10px;gap:8px}.ruling-scale-box{display:none}}@media(max-width:1024px){:root{--sidebar-right-width: 300px;--toolbar-left-width: 60px}.tool-btn{width:42px;height:42px}.topbar{gap:6px}.brand-sub,.chip-text{display:none}.btn-chip{padding:6px 8px}}@media(max-width:768px){.topbar{padding:0 6px;gap:4px}.brand-text,.ruling-label{display:none}.sidebar-right{position:absolute;right:0;top:0;bottom:0;height:100%;width:min(320px,90vw);z-index:95}.toolbar-left{position:absolute;top:0;bottom:0;height:100%;z-index:85}}@page{size:landscape;margin:0}@media print{html,body,.app-root{background:#fff!important;color:#000!important;width:100%!important;height:100%!important;margin:0!important;padding:0!important;overflow:visible!important}.topbar,.toolbar-left,.sidebar-right,.canvas-zoom-hud,.fab-fullscreen-btn,.screen-instruments-overlay,.toast-container,.cursor-ring,.laser-dot,.selection-box,.floating-quick-toolbar,#simControlBar{display:none!important}.workspace{height:100vh!important;width:100vw!important;margin:0!important;padding:0!important;background:#fff!important}.board-container{width:100vw!important;height:100vh!important;position:absolute!important;top:0!important;left:0!important}.board-svg{width:100vw!important;height:100vh!important}.raster-canvas-container{display:block!important}}