@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap";:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#ffffffe6;--bg-base:#0b0e13;--bg-surface:#161a22a6;--bg-surface-hover:#212631d9;--border-muted:#333c4d73;--border-glow:#955eed33;--text-primary:#f3f4f7;--text-muted:#b6bcc9;--text-dim:#818898;--accent-purple:#7425f4;--accent-pink:#f20d93;--accent-blue:#0080ff;--accent-teal:#0bdac9;--shadow-sm:0 2px 8px -2px #00000080;--shadow-md:0 8px 20px -6px #000000b3;--shadow-lg:0 20px 40px -12px #000000e6;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Outfit,Inter,system-ui,-apple-system,sans-serif;font-weight:400;line-height:1.5}body{background:radial-gradient(circle at 50% 0%, #171b26 0%, var(--bg-base) 100%);min-width:320px;min-height:100vh;color:var(--text-primary);margin:0;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#333c4d99;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#525f7acc}.app-container{flex-direction:column;max-width:1200px;min-height:100vh;margin:0 auto;padding:24px 16px;display:flex}.app-header{border-bottom:1px solid #333c4d40;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:16px;display:flex}.app-title-group{flex-direction:column;display:flex}.app-title{letter-spacing:-.5px;background:linear-gradient(135deg, var(--text-primary) 0%, #c5adeb 50%, #8cbff2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:28px;font-weight:800}.app-subtitle{color:var(--text-dim);margin:4px 0 0;font-size:13px;font-weight:500}.app-footer{border-t:1px solid #333c4d40;text-align:center;color:var(--text-dim);justify-content:center;align-items:center;gap:4px;margin-top:32px;padding-top:16px;font-size:12px;display:flex}.layout-grid{flex:1;grid-template-columns:repeat(3,1fr);align-items:stretch;gap:24px;display:grid}.layout-column{flex-direction:column;gap:20px;display:flex}.glass-panel{background:var(--bg-surface);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-muted);box-shadow:var(--shadow-lg);border-radius:16px;flex-direction:column;padding:20px;transition:border-color .3s,box-shadow .3s;display:flex}.glass-panel:hover{border-color:var(--border-glow);box-shadow:0 20px 40px -8px #7c3aed14, var(--shadow-lg)}.panel-title{color:var(--text-primary);margin:0 0 16px;font-size:16px;font-weight:600}.board-editor-container{flex-direction:column;align-items:center;display:flex}.board-grid-wrapper{box-sizing:border-box;background:#0000004d;border:1px solid #333c4d33;border-radius:12px;grid-template-columns:repeat(9,1fr);gap:3.5px;width:252px;height:252px;padding:10px;display:grid}.grid-cell{aspect-ratio:1;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:4px;transition:transform .15s,background-color .2s,box-shadow .2s}.grid-cell:hover{transform:scale(1.08)}.grid-cell-active{background:linear-gradient(135deg,#fff 0%,#cbd5e1 100%);box-shadow:0 0 8px 1px #ffffff4d}.grid-cell-inactive{background:#06070a;border:1px solid #3d475c14}.board-area-badge{color:var(--text-muted);align-items:center;gap:6px;margin-top:16px;font-size:13px;font-weight:600;display:flex}.area-number{color:var(--accent-pink);font-size:16px;font-weight:700}.button-row{justify-content:center;gap:10px;width:100%;margin-top:16px;display:flex}.config-group{flex-direction:column;gap:12px;display:flex}.config-item{justify-content:space-between;align-items:center;gap:12px;display:flex}.config-label{color:var(--text-muted);font-size:13px;font-weight:500}.config-input-number{border:1px solid var(--border-muted);text-align:center;color:#fff;background:#0006;border-radius:8px;width:68px;padding:6px 8px;font-size:13px;font-weight:700;transition:border-color .2s}.config-input-number:focus{border-color:var(--accent-purple);outline:none}.config-checkbox{width:16px;height:16px;accent-color:var(--accent-purple);cursor:pointer}.calculate-btn-wrapper{margin-top:8px}.shape-selector-container{flex-direction:column;flex:1;display:flex}.shapes-scroll-area{max-h:360px;flex:1;grid-template-columns:repeat(2,1fr);gap:8px;padding-right:4px;display:grid;overflow-y:auto}.shape-card{border:1px solid var(--border-muted);background:#00000040;border-radius:12px;justify-content:space-between;align-items:center;gap:6px;padding:8px 10px;transition:border-color .2s,background-color .2s,opacity .2s;display:flex}.shape-card-active{background:#1f242e66;border-color:#47536b66}.shape-card-inactive{opacity:.65}.shape-card-inactive:hover{opacity:1}.shape-card-left{align-items:center;gap:8px;min-width:0;display:flex}.lock-toggle-btn{cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:4px;transition:background-color .2s,color .2s;display:flex}.lock-toggle-btn-locked{color:var(--accent-blue);background:#3b82f61f}.lock-toggle-btn-unlocked{color:var(--text-dim)}.lock-toggle-btn-unlocked:hover{color:var(--text-muted);background:#ffffff0d}.shape-card-right{flex:1;justify-content:flex-end;align-items:center;display:flex}.quantity-control{border:1px solid var(--border-muted);background:#0006;border-radius:8px;align-items:center;padding:1px;display:flex}.quantity-btn{width:30px;height:30px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;transition:background-color .2s,color .2s;display:flex}.quantity-btn:hover{color:#fff;background:#ffffff14}.quantity-input{text-align:center;color:#fff;background:0 0;border:none;width:24px;padding:0;font-size:13px;font-weight:700}.quantity-input:focus{outline:none}.actions-row-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px;display:grid}.visualizer-container{flex-direction:column;flex:1;justify-content:space-between;align-items:center;display:flex}.status-badge{border:1px solid #0000;border-radius:9999px;align-items:center;gap:6px;width:fit-content;margin-bottom:16px;padding:6px 14px;font-size:11px;font-weight:600;display:flex}.status-optimal{color:#22c35d;background:#22c35d1a;border-color:#22c35d26}.status-feasible{color:#f59f0a;background:#f59f0a1a;border-color:#f59f0a26}.status-infeasible{color:#f43e5c;background:#f43e5c1a;border-color:#f43e5c26}.status-unknown{color:var(--text-dim);background:#ffffff0a;border-color:#ffffff14}.board-output-wrapper{border:1px solid var(--border-muted);background:#00000073;border-radius:16px;padding:12px;position:relative;box-shadow:inset 0 2px 10px #000c}.infeasible-overlay{background:#0009;border-radius:16px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.infeasible-banner{color:#f43e5c;letter-spacing:1px;text-transform:uppercase;box-shadow:var(--shadow-lg);background:#000000d9;border:1px solid #f43e5c33;border-radius:12px;padding:8px 24px;font-size:18px;font-weight:800}.unplaced-drawer{border-top:1px solid #333c4d26;flex-direction:column;width:100%;margin-top:20px;padding-top:12px;display:flex}.unplaced-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.unplaced-label{color:var(--text-muted);font-size:12px;font-weight:700}.unplaced-deduct-btn{color:var(--accent-pink);cursor:pointer;background:#f20d9314;border:1px solid #f20d9326;border-radius:6px;align-items:center;gap:4px;padding:3px 8px;font-size:10px;font-weight:700;transition:background-color .2s;display:flex}.unplaced-deduct-btn:hover{background:#f20d9326}.unplaced-shapes-list{max-h:80px;flex-wrap:wrap;gap:8px;padding:4px 0;display:flex;overflow-y:auto}.unplaced-shape-card{border:1px solid var(--border-muted);background:#0006;border-radius:8px;align-items:center;gap:8px;padding:5px 8px;font-size:11px;display:flex}.unplaced-shape-info{flex-direction:column;display:flex}.unplaced-shape-name{color:#ffffffe6;text-overflow:ellipsis;white-space:nowrap;max-width:50px;font-weight:600;overflow:hidden}.unplaced-shape-count{color:#f59f0a;font-size:9px;font-weight:700}.btn-primary{background:linear-gradient(135deg, var(--accent-purple) 0%, #9311d4 100%);color:#fff;cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:transform .15s,filter .2s,box-shadow .2s;display:flex;box-shadow:0 4px 15px -3px #7c3aed66}.btn-primary:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 20px -2px #7c3aed99}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{color:var(--text-dim);cursor:not-allowed;box-shadow:none;background:#393e4680}.btn-metal{color:#f1f5f9;cursor:pointer;background:linear-gradient(135deg,#5a6372 0%,#40454f 50%,#2f3237 100%);border:1px solid #7e899a4d;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:transform .15s,filter .2s,box-shadow .2s;display:flex;box-shadow:0 4px 12px -3px #00000080,inset 0 1px 1px #ffffff26}.btn-metal:hover:not(:disabled){filter:brightness(1.15);border-color:#98a2b366;transform:translateY(-2px);box-shadow:0 6px 16px -2px #0009,inset 0 1px 1px #ffffff40}.btn-metal:active:not(:disabled){transform:translateY(0)}.btn-metal:disabled{color:var(--text-dim);cursor:not-allowed;box-shadow:none;background:#2e313899;border-color:#0000}.btn-danger{color:#fff;cursor:pointer;background:linear-gradient(135deg,#df2040 0%,#bd0f2c 100%);border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:transform .15s,filter .2s,box-shadow .2s;display:flex;box-shadow:0 4px 15px -3px #ef444466}.btn-danger:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 20px -2px #ef444499}.btn-danger:active{transform:translateY(0)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-muted);cursor:pointer;background:#252b3799;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:12px;font-weight:600;transition:background-color .2s,border-color .2s,transform .15s;display:flex}.btn-secondary:hover:not(:disabled){background:#313949cc;border-color:#5c6b8a66;transform:translateY(-1px)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(10px);background:#000000a6;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-container{background:#131720;border:1px solid #ffffff1a;border-radius:18px;flex-direction:column;width:100%;max-width:440px;display:flex;overflow:hidden;box-shadow:0 25px 50px -12px #000000d9}.modal-container-large{max-width:820px}.modal-header{background:#00000026;border-bottom:1px solid #333c4d33;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{align-items:center;gap:8px;margin:0;font-size:16px;font-weight:700;display:flex}.modal-close-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:4px;transition:background-color .2s,color .2s;display:flex}.modal-close-btn:hover{color:#fff;background:#ffffff14}.modal-body{flex-direction:column;padding:20px;display:flex}.modal-desc{color:var(--text-muted);margin:0 0 16px;font-size:12px;line-height:1.5}.modal-textarea{border:1px solid var(--border-muted);color:#fff;resize:vertical;box-sizing:border-box;background:#00000073;border-radius:12px;width:100%;padding:12px;font-family:monospace;font-size:12px}.modal-textarea:focus{border-color:var(--accent-purple);outline:none}.modal-footer{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.shape-manager-split-content{grid-template-columns:1fr 1.1fr;gap:24px;max-height:480px;display:grid;overflow-y:auto}.shape-manager-left,.shape-manager-right{border:1px solid var(--border-muted);background:#0003;border-radius:14px;flex-direction:column;height:380px;padding:14px;display:flex}.manager-list-header{color:var(--text-muted);justify-content:space-between;margin-bottom:12px;font-size:12px;font-weight:700;display:flex}.manager-shapes-list{flex-direction:column;flex:1;gap:8px;display:flex;overflow-y:auto}.manager-shape-card{cursor:pointer;background:#ffffff08;border:1px solid #ffffff0d;border-radius:10px;justify-content:space-between;align-items:center;padding:8px;transition:background-color .2s,transform .1s;display:flex}.manager-shape-card:hover{background:#ffffff12;transform:translateY(-1px)}.manager-shape-card-left{align-items:center;gap:10px;display:flex}.manager-shape-details{flex-direction:column;display:flex}.manager-shape-name{color:var(--text-primary);font-size:13px;font-weight:600}.manager-shape-area{color:var(--text-dim);font-size:11px}.manager-shape-delete-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px;transition:color .2s,background-color .2s}.manager-shape-delete-btn:hover{color:var(--accent-pink);background:#ef44441a}.form-field{flex-direction:column;gap:4px;margin-bottom:12px;display:flex}.form-label{color:var(--text-dim);font-size:11px;font-weight:600}.form-input-text{border:1px solid var(--border-muted);color:#fff;background:#0006;border-radius:8px;padding:8px 12px;font-size:13px;font-weight:600;transition:border-color .2s}.form-input-text:focus{border-color:var(--accent-purple);outline:none}.designer-workspace{flex:1;grid-template-columns:1.1fr 1fr;align-items:center;gap:12px;display:grid}.drawing-grid-container{box-sizing:border-box;background:#00000059;border:1px solid #333c4d33;border-radius:10px;grid-template-columns:repeat(6,1fr);gap:4px;width:140px;height:140px;padding:8px;display:grid}.palette-wrapper{flex-direction:column;gap:6px;display:flex}.preset-colors-grid{grid-template-columns:repeat(4,1fr);gap:6px;max-height:120px;padding-right:2px;display:grid;overflow-y:auto}.color-swatch-btn{aspect-ratio:1;cursor:pointer;border-radius:6px;width:22px;height:22px;transition:transform .1s}.color-swatch-btn:hover{transform:scale(1.15)}.pulse-glow{animation:2s ease-in-out infinite pulse-glow}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px -2px #ef444466}50%{box-shadow:0 0 20px 2px #ef4444b3}}@media (width<=1024px){.layout-grid{grid-template-columns:1fr;gap:16px}.app-header{text-align:center;flex-direction:column}.app-title-group{align-items:center}}@media (width<=600px){.shapes-scroll-area{grid-template-columns:1fr}.shape-manager-split-content{grid-template-columns:1fr;max-height:600px}.shape-manager-left,.shape-manager-right{height:300px}}