@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Outfit:wght@400;600;700;800&display=swap";:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .75);--bg-card-hover: rgba(30, 41, 59, .85);--bg-glass: rgba(15, 23, 42, .65);--border-color: rgba(255, 255, 255, .1);--border-glow: rgba(99, 102, 241, .35);--accent-cyan: #00f2fe;--accent-blue: #3b82f6;--accent-indigo: #6366f1;--accent-pink: #ec4899;--accent-emerald: #10b981;--accent-amber: #f59e0b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--shadow-cyan-glow: 0 0 20px rgba(0, 242, 254, .35)}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{font-family:Outfit,Noto Sans JP,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow:hidden;background-image:radial-gradient(circle at 15% 15%,rgba(99,102,241,.12) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(0,242,254,.08) 0%,transparent 45%),radial-gradient(circle at 50% 50%,rgba(236,72,153,.05) 0%,transparent 60%)}#app{display:flex;flex-direction:column;height:100vh;width:100vw}.app-header{height:64px;background:var(--bg-glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:50}.brand{display:flex;align-items:center;gap:12px}.brand-icon{font-size:26px;filter:drop-shadow(0 0 8px var(--accent-cyan))}.brand-title{font-size:22px;font-weight:800;background:linear-gradient(135deg,#ffffff 0%,var(--accent-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.brand-badge{font-size:11px;font-weight:700;padding:2px 8px;background:#6366f133;border:1px solid var(--accent-indigo);border-radius:var(--radius-full);color:#a5b4fc}.nav-tabs{display:flex;background:#0f172a99;padding:4px;border-radius:var(--radius-md);border:1px solid var(--border-color);gap:4px}.tab-btn{background:transparent;border:none;color:var(--text-secondary);font-family:inherit;font-size:14px;font-weight:600;padding:8px 18px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s ease}.tab-btn:hover{color:var(--text-primary);background:#ffffff0d}.tab-btn.active{background:linear-gradient(135deg,var(--accent-indigo),#4338ca);color:#fff;box-shadow:0 2px 10px #6366f166}.header-actions{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;font-family:inherit;font-size:14px;font-weight:600;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:#1e293b99;color:var(--text-primary);cursor:pointer;transition:all .2s ease;text-decoration:none}.btn:hover{background:#334155cc;border-color:#fff3;transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,#00f2fe,#4facfe);color:#0b0f19;border:none;box-shadow:var(--shadow-cyan-glow)}.btn-primary:hover{background:linear-gradient(135deg,#38f9d7,#43e97b);box-shadow:0 0 25px #38f9d766}.btn-accent{background:linear-gradient(135deg,var(--accent-indigo) 0%,var(--accent-pink) 100%);color:#fff;border:none}.btn-accent:hover{filter:brightness(1.1);box-shadow:var(--shadow-glow)}.btn-sm{padding:6px 12px;font-size:12px}.btn-icon{padding:8px;border-radius:var(--radius-sm)}.main-content{flex:1;position:relative;overflow:hidden}.view-section{position:absolute;top:0;right:0;bottom:0;left:0;display:none;opacity:0;transition:opacity .25s ease}.view-section.active{display:flex;opacity:1}.create-layout{display:flex;width:100%;height:100%}.create-sidebar{width:320px;background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:20px;gap:20px;overflow-y:auto;z-index:10}.sidebar-group{display:flex;flex-direction:column;gap:10px}.group-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.image-uploader-box{border:2px dashed rgba(255,255,255,.15);border-radius:var(--radius-md);padding:16px;text-align:center;cursor:pointer;transition:all .2s ease;background:#0f172a66}.image-uploader-box:hover{border-color:var(--accent-cyan);background:#00f2fe0d}.upload-icon{font-size:28px;margin-bottom:6px}.upload-text{font-size:13px;color:var(--text-secondary)}.upload-sub{font-size:11px;color:var(--text-muted);margin-top:4px}.sample-preset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.preset-thumb{aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;border:2px solid transparent;cursor:pointer;transition:all .2s ease}.preset-thumb img{width:100%;height:100%;object-fit:cover}.preset-thumb:hover{transform:scale(1.05);border-color:var(--accent-cyan)}.preset-thumb.active{border-color:var(--accent-cyan);box-shadow:0 0 12px #00f2fe80}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.tool-btn{background:#1e293b99;border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 6px;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--text-secondary);cursor:pointer;font-family:inherit;font-size:12px;transition:all .2s ease}.tool-btn:hover{background:#334155cc;color:var(--text-primary)}.tool-btn.active{background:#00f2fe26;border-color:var(--accent-cyan);color:var(--accent-cyan);box-shadow:0 0 12px #00f2fe40}.tool-icon{font-size:18px}.setting-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-secondary)}.range-slider{width:120px;accent-color:var(--accent-cyan);cursor:pointer}.switch-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--text-secondary)}.create-workspace{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;background:radial-gradient(circle,#1e293b,#0f172a);padding:24px}.canvas-wrapper{position:relative;box-shadow:0 20px 50px #0009,0 0 0 1px var(--border-color);border-radius:var(--radius-md);overflow:hidden;background:#000;max-width:90%;max-height:80vh}#cutter-canvas{display:block;cursor:crosshair}.canvas-floating-bar{position:absolute;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-full);padding:6px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-md)}.piece-count-badge{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--accent-cyan)}.solve-layout{display:flex;flex-direction:column;width:100%;height:100%}.solve-topbar{height:52px;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:10}.stats-group{display:flex;align-items:center;gap:20px}.stat-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary)}.stat-value{font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-primary)}.stat-value.highlight{color:var(--accent-cyan)}.progress-container{display:flex;align-items:center;gap:10px;width:200px}.progress-bar-bg{flex:1;height:8px;background:#ffffff1a;border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-indigo));transition:width .3s ease}.solve-canvas-container{flex:1;position:relative;overflow:hidden;background:#090d16}.solve-canvas-container canvas{position:absolute;top:0;left:0;width:100%;height:100%}.saved-layout{padding:36px 48px;width:100%;height:100%;overflow-y:auto}.saved-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.saved-title{font-size:26px;font-weight:700}.puzzle-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.puzzle-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:all .25s ease;display:flex;flex-direction:column}.puzzle-card:hover{transform:translateY(-4px);border-color:var(--accent-indigo);box-shadow:0 12px 30px #0006,var(--shadow-glow)}.card-thumb{width:100%;height:170px;object-fit:cover;background:#1e293b}.card-body{padding:16px;display:flex;flex-direction:column;gap:12px;flex:1}.card-title{font-size:16px;font-weight:700;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-muted)}.card-actions{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:8px}.empty-state{grid-column:1 / -1;text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{font-size:48px;margin-bottom:12px;opacity:.6}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;pointer-events:none;transition:opacity .25s ease}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-box{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;width:440px;max-width:90vw;box-shadow:0 25px 60px #000c,var(--shadow-glow);text-align:center;transform:scale(.92);transition:transform .25s ease}.modal-overlay.active .modal-box{transform:scale(1)}.modal-icon{font-size:48px;margin-bottom:16px}.modal-title{font-size:22px;font-weight:700;margin-bottom:10px}.modal-desc{font-size:14px;color:var(--text-secondary);margin-bottom:24px}.modal-input{width:100%;background:#0f172acc;border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 14px;color:var(--text-primary);font-family:inherit;font-size:14px;margin-bottom:20px;outline:none}.modal-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 10px #00f2fe4d}.modal-actions{display:flex;gap:12px;justify-content:center}.victory-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;background:#0f172a99;padding:16px;border-radius:var(--radius-md);margin-bottom:24px}.v-stat-val{font-size:20px;font-weight:800;color:var(--accent-cyan)}.v-stat-lbl{font-size:11px;color:var(--text-muted);margin-top:2px}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:200}.toast{background:var(--bg-secondary);border:1px solid var(--border-color);border-left:4px solid var(--accent-cyan);border-radius:var(--radius-sm);padding:12px 18px;color:var(--text-primary);font-size:13px;box-shadow:var(--shadow-md);animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}#confetti-canvas{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:90}