:root{--deck-gold:#d97706;--deck-gold-soft:#d9770624;--deck-gold-dim:#d9770614;--deck-teal:#14b8a6;--deck-teal-soft:#14b8a624;--bg-deep:#0f172a;--bg-surface:#1e293b;--bg-input:#050510eb;--border-dim:#ffffff0f;--border-mid:#334155;--border-hover:#475569;--text-main:#f8fafc;--text-dim:#94a3b8;--text-muted:#64748b;--radius:14px;--radius-sm:10px}*,:before,:after{box-sizing:border-box}body{background-color:var(--bg-deep);color:var(--text-main);background-image:linear-gradient(#ffffff06 1px,#0000 1px),linear-gradient(90deg,#ffffff06 1px,#0000 1px),linear-gradient(#ffffff03 1px,#0000 1px),linear-gradient(90deg,#ffffff03 1px,#0000 1px);background-size:100px 100px,100px 100px,20px 20px,20px 20px;margin:0;padding:0;font-family:Inter,sans-serif;line-height:1.5}.main-container{max-width:1440px;margin:0 auto;padding:28px 20px}.page-title{text-align:center;letter-spacing:-.5px;color:var(--text-main);margin:0 0 6px;font-size:1.9rem;font-weight:800}.section-desc{color:var(--text-dim);text-align:center;margin-bottom:1.6rem;font-size:.95rem}.top-tab-control{border:1px solid var(--border-dim);background:#00000059;border-radius:16px;gap:4px;margin-bottom:18px;padding:4px;display:flex}.top-tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:7px;padding:11px 14px;font-family:Inter,sans-serif;font-size:.82rem;font-weight:600;transition:all .2s;display:flex}.top-tab-btn .tab-icon{font-size:1rem}.top-tab-btn:hover:not(.active){color:var(--text-dim);background:#ffffff0a}.top-tab-btn.active{background:linear-gradient(135deg, var(--deck-gold-dim) 0%, #14b8a60f 100%);color:var(--deck-gold);border-color:#d977064d}.tab-panel{display:none}.tab-panel.active{display:block}.dashboard-panel{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius);grid-template-columns:minmax(280px,1fr) minmax(380px,1.4fr) minmax(300px,1fr);gap:0;display:grid;overflow:hidden;box-shadow:0 4px 24px #0006}.column-panel{border-right:1px solid var(--border-mid);flex-direction:column;display:flex}.column-panel:last-child{border-right:none}.column-specs{background:#050510eb}.column-design{background:#0d1526}.column-summary{background:#050510eb}.panel-header{color:var(--text-muted);text-transform:uppercase;letter-spacing:1.5px;border-bottom:1px solid var(--border-mid);background:#0006;padding:10px 18px;font-size:.7rem;font-weight:800}.column-panel .card{box-shadow:none;background:0 0;border:none;border-radius:0;padding:20px}.input-group{margin-bottom:14px}.input-row{gap:14px;display:flex}.half-width{flex:1}label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px;font-size:.75rem;font-weight:600;display:block}input,select{border:1px solid var(--border-hover);width:100%;color:var(--text-main);border-radius:var(--radius-sm);box-sizing:border-box;background:#050510eb;padding:10px 14px;font-family:Inter,sans-serif;font-size:.95rem;transition:border-color .2s,box-shadow .2s}input::placeholder{color:var(--text-muted)}input:focus,select:focus{border-color:var(--deck-gold);box-shadow:0 0 0 3px var(--deck-gold-soft);outline:none}select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:36px}select option{background:var(--bg-surface);color:var(--text-main)}.board-size-chips{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.bs-chip{border:1px solid var(--border-hover);min-width:80px;color:var(--text-dim);cursor:pointer;text-align:center;background:#050510eb;border-radius:8px;flex:1;padding:8px 10px;font-family:Inter,sans-serif;font-size:.78rem;font-weight:600;transition:all .2s}.bs-chip:hover:not(.active){border-color:var(--deck-gold);color:var(--text-main)}.bs-chip.active{background:var(--deck-gold-dim);border-color:var(--deck-gold);color:var(--deck-gold)}.bs-chip .chip-sub{color:var(--text-muted);margin-top:2px;font-size:.65rem;font-weight:400;display:block}.bs-chip.active .chip-sub{color:#d97706b3}.card-header-gold{color:var(--text-main);text-transform:uppercase;letter-spacing:1px;border-bottom:2px solid var(--deck-gold);margin-bottom:16px;padding-bottom:7px;font-size:.85rem;font-weight:700;display:inline-block}.toggle-group{border:1px solid var(--border-hover);border-radius:var(--radius-sm);background:#050510eb;gap:3px;padding:3px;display:flex}.toggle-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:7px;flex:1;justify-content:center;align-items:center;gap:6px;padding:8px 10px;font-family:Inter,sans-serif;font-size:.8rem;font-weight:600;transition:all .2s;display:flex}.toggle-btn svg{opacity:.7;width:16px;height:16px}.toggle-btn.active{background:var(--deck-gold-dim);color:var(--deck-gold)}.toggle-btn.active svg{opacity:1}.toggle-btn:hover:not(.active){color:var(--text-main);background:#ffffff0a}.precision-settings-compact{border-top:1px solid var(--border-dim);background:#050510eb;padding:0 20px 20px}.advanced-section-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:1.5px;border-bottom:1px solid var(--border-dim);margin-top:18px;margin-bottom:10px;padding-bottom:6px;font-size:.7rem;font-weight:700}.compact-row{align-items:flex-end;gap:10px;margin-bottom:10px;display:flex}.compact-row .input-group{margin-bottom:0}.compact-select{padding:7px 30px 7px 10px;font-size:.82rem}.compact-toggle .toggle-btn{padding:5px 8px;font-size:.72rem}.flex-grow{flex:1}.pattern-group{margin-top:10px}.visualizer-container{flex-direction:column;flex:1;min-height:380px;padding:20px;display:flex;position:relative}.visualizer-header{z-index:10;pointer-events:none;justify-content:space-between;display:flex;position:absolute;top:14px;left:18px;right:18px}.vis-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;border:1px solid var(--border-mid);background:#0d1526e0;border-radius:6px;padding:5px 10px;font-size:.7rem;font-weight:600}.vis-dimensions{color:var(--text-main);border:1px solid var(--border-mid);background:#0d1526e0;border-radius:6px;padding:5px 10px;font-size:.82rem;font-weight:700}.canvas-wrapper{flex:1;justify-content:center;align-items:center;width:100%;display:flex}#deckCanvas{width:100%;height:100%;display:block}.results-layout{flex-direction:column;display:flex}.cost-hero-card{border-left:4px solid var(--deck-gold);border-bottom:1px solid var(--border-dim);background:linear-gradient(135deg,#050510f2,#1a2235);flex-direction:row;justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.cost-hero-left{flex-direction:column;gap:3px;display:flex}.cost-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);font-size:.7rem;font-weight:600}.cost-amount{color:var(--deck-gold);text-shadow:0 0 24px #d9770640;font-size:2rem;font-weight:800;line-height:1.1}.cost-sqft{color:var(--text-dim);font-size:.8rem}.cost-price-input{max-width:160px}.price-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:5px;font-size:.7rem;font-weight:600;display:block}.input-with-prefix{align-items:center;display:flex;position:relative}.input-prefix{color:var(--text-muted);pointer-events:none;font-weight:600;position:absolute;left:12px}.input-with-prefix input{text-align:right;padding-left:26px;font-weight:700}.action-bar{border-bottom:1px solid var(--border-dim);background:#0003;gap:6px;padding:10px 20px;display:flex}.action-btn{border:1px solid var(--border-dim);color:var(--text-muted);cursor:pointer;background:#ffffff0a;border-radius:8px;flex:1;padding:9px 10px;font-family:Inter,sans-serif;font-size:.78rem;font-weight:600;transition:all .2s}.action-btn:hover{color:var(--text-main);border-color:var(--border-hover);background:#ffffff17}.action-btn--share{color:#d97706cc;border-color:#d9770659}.action-btn--share:hover{background:var(--deck-gold-dim);color:var(--deck-gold);border-color:var(--deck-gold)}.bom-card{padding:16px 20px 20px}.lumber-efficiency-inline{border-radius:var(--radius-sm);border:1px solid var(--border-dim);background:#050510eb;margin-bottom:16px;padding:12px 14px}.eff-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px;font-size:.7rem;font-weight:600;display:block}.bom-table{border-collapse:collapse;width:100%;margin-top:6px}.bom-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid var(--border-mid);padding:9px 12px;font-size:.65rem}.bom-table td{border-bottom:1px solid var(--border-dim);color:var(--text-main);padding:13px 12px;font-size:.9rem}.bom-table tr:last-child td{border-bottom:none}.bom-table td:nth-child(2){color:var(--deck-teal);font-weight:700}.bom-table td:nth-child(3){color:var(--text-dim);font-size:.8rem}.stats-section{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius);margin-top:14px;padding:16px 20px 20px;box-shadow:0 2px 12px #0000004d}.stats-grid{grid-template-columns:repeat(6,1fr);gap:8px;display:grid}.stat-cell{border:1px solid var(--border-dim);border-radius:var(--radius-sm);text-align:center;background:#050510b3;padding:10px 8px;transition:border-color .2s}.stat-cell:hover{border-color:#d977064d}.stat-cell .sv{color:#fff;font-family:JetBrains Mono,Roboto Mono,monospace;font-size:.95rem;font-weight:700;line-height:1.1}.stat-cell .sl{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-top:3px;font-size:.55rem}.sv.gold{color:var(--deck-gold)}.sv.teal{color:var(--deck-teal)}.sv.purple{color:#a78bfa}.formula-strip{background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:var(--radius);flex-wrap:wrap;gap:8px;margin-top:12px;padding:12px 20px;display:flex}.formula-pill{border:1px solid var(--border-dim);background:#ffffff0a;border-radius:8px;align-items:center;gap:6px;padding:7px 12px;font-size:.75rem;display:flex}.pill-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.pill-eq{color:var(--text-dim)}.pill-val{color:var(--deck-teal);font-family:JetBrains Mono,monospace;font-weight:700}.alert-stack{flex-direction:column;gap:6px;margin-top:10px;display:flex}.dk-alert{border-radius:var(--radius-sm);border-left:3px solid;align-items:flex-start;gap:10px;padding:10px 14px;font-size:.8rem;line-height:1.5;display:none}.dk-alert-icon{flex-shrink:0;margin-top:1px;font-size:1rem}.dk-alert-text{color:var(--text-dim)}.dk-alert-text strong{color:var(--text-main)}.dk-alert.info{border-color:var(--deck-teal);background:#14b8a612}.dk-alert.warn{border-color:var(--deck-gold);background:#d9770617}.dk-alert.tip{background:#a78bfa12;border-color:#a78bfa}.dk-alert.large{background:#6366f112;border-color:#818cf8}.tab2-layout{flex-direction:column;gap:16px;display:flex}.cost-summary-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.cost-summary-card{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius-sm);text-align:center;padding:14px 16px;box-shadow:0 2px 8px #0000004d}.cs-label{text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:4px;font-size:.65rem;font-weight:600}.cs-val{font-family:JetBrains Mono,monospace;font-size:1.05rem;font-weight:700}.cs-val.gold{color:var(--deck-gold)}.cs-val.teal{color:var(--deck-teal)}.cs-val.purple{color:#a78bfa}.cs-val.white{color:var(--text-main)}.chart-cost-card{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius);align-items:center;gap:24px;padding:20px;display:flex;box-shadow:0 2px 12px #0000004d}.chart-cost-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;font-size:.75rem;font-weight:700}.chart-wrap-doughnut{flex-shrink:0;width:220px;height:220px;position:relative}.chart-legend{flex-direction:column;gap:10px;display:flex}.legend-row{align-items:center;gap:10px;display:flex}.legend-dot{border-radius:50%;flex-shrink:0;width:12px;height:12px}.legend-label{color:var(--text-dim);flex:1;font-size:.82rem}.legend-val{color:var(--text-main);font-family:JetBrains Mono,monospace;font-size:.85rem;font-weight:700}.mat-table-card{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 12px #0000004d}.mat-table-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border-mid);background:#0003;padding:14px 18px;font-size:.75rem;font-weight:700}.mat-compare-table{border-collapse:collapse;width:100%}.mat-compare-table th{text-align:left;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid var(--border-mid);background:#00000026;padding:10px 14px;font-size:.65rem;font-weight:700}.mat-compare-table td{color:var(--text-dim);border-bottom:1px solid var(--border-dim);padding:12px 14px;font-size:.85rem}.mat-compare-table tr:last-child td{border-bottom:none}.mat-compare-table td:first-child{color:var(--text-main);font-weight:600}.mat-row-active td{background:#d977060d}.mat-row-active td:first-child{color:var(--deck-gold)}.mat-badge{background:var(--deck-gold-dim);color:var(--deck-gold);text-transform:uppercase;letter-spacing:.5px;vertical-align:middle;border:1px solid #d9770659;border-radius:4px;margin-left:6px;padding:1px 5px;font-size:.6rem;font-weight:700;display:inline-block}.planner-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.save-slots-card{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 12px #0000004d}.planner-card-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border-mid);background:#0003;padding:12px 18px;font-size:.72rem;font-weight:700}.save-slots-list{flex-direction:column;display:flex}.save-slot{border-bottom:1px solid var(--border-dim);align-items:center;min-height:72px;padding:14px 18px;display:flex}.save-slot:last-child{border-bottom:none}.slot-empty{align-items:center;gap:12px;width:100%;display:flex}.slot-empty-icon{opacity:.4;font-size:1.2rem}.slot-empty-label{color:var(--text-muted);flex:1;font-size:.82rem}.slot-btn-save,.slot-btn-load,.slot-btn-clear{cursor:pointer;border:none;border-radius:7px;padding:6px 12px;font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;transition:all .2s}.slot-btn-save{background:var(--deck-gold-dim);color:var(--deck-gold);border:1px solid #d977064d}.slot-btn-save:hover{background:#d9770640}.slot-btn-load{background:var(--deck-teal-soft);color:var(--deck-teal);border:1px solid #14b8a64d}.slot-btn-load:hover{background:#14b8a638}.slot-btn-clear{border:1px solid var(--border-dim);color:var(--text-muted);background:#ffffff0a}.slot-btn-clear:hover{color:var(--text-main);background:#ffffff14}.slot-filled{flex-direction:column;gap:4px;width:100%;display:flex}.slot-name{color:var(--text-main);font-size:.88rem;font-weight:700}.slot-meta{color:var(--text-muted);font-size:.75rem}.slot-btns{gap:6px;margin-top:6px;display:flex}.checklist-card{background:var(--bg-surface);border:1px solid var(--border-mid);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 12px #0000004d}.checklist-row{border-bottom:1px solid var(--border-dim);cursor:pointer;align-items:center;gap:10px;padding:10px 16px;transition:background .15s;display:flex}.checklist-row:last-child{border-bottom:none}.checklist-row:hover{background:#ffffff08}.ck-check{cursor:pointer;width:15px;height:15px;accent-color:var(--deck-teal);flex-shrink:0}.ck-badge{text-transform:uppercase;letter-spacing:.5px;border:1px solid;border-radius:4px;flex-shrink:0;padding:2px 6px;font-size:.6rem;font-weight:700}.ck-qty{color:var(--deck-gold);flex-shrink:0;min-width:60px;font-family:JetBrains Mono,monospace;font-size:.8rem;font-weight:700}.ck-label{color:var(--text-dim);font-size:.8rem}.no-data-msg{color:var(--text-muted);text-align:center;margin:0;padding:16px;font-size:.82rem}.timeline-grid{gap:14px;margin-bottom:12px;display:flex}.timeline-card{border:1px solid var(--border-dim);border-radius:var(--radius-sm);text-align:center;background:#050510b3;flex:1;padding:14px}.timeline-icon{margin-bottom:6px;font-size:1.5rem}.timeline-label{text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:4px;font-size:.7rem;font-weight:600}.timeline-val{color:var(--text-main);font-size:.95rem;font-weight:700}.timeline-note{color:var(--text-muted);margin:0;font-size:.78rem;line-height:1.5}.permit-card{border-radius:var(--radius);background:#a78bfa0f;border:1px solid #a78bfa33;padding:16px 18px}.permit-card-title{color:#a78bfa;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-size:.75rem;font-weight:700}.permit-card p{color:var(--text-dim);margin:0 0 6px;font-size:.82rem;line-height:1.6}.permit-card p:last-child{margin-bottom:0}.dk-toast{z-index:9999;background:var(--bg-surface);color:var(--text-main);border-left:3px solid var(--deck-gold);opacity:0;pointer-events:none;border-radius:10px;align-items:center;gap:8px;padding:11px 18px;font-size:.82rem;font-weight:500;transition:opacity .25s,transform .25s;display:flex;position:fixed;bottom:24px;right:24px;transform:translateY(8px);box-shadow:0 8px 24px #00000080}.dk-toast.dk-toast-show{opacity:1;transform:translateY(0)}.dk-toast strong{margin-right:4px;font-weight:700}.dk-toast-success{border-left-color:var(--deck-teal)}.dk-toast-warn{border-left-color:var(--deck-gold)}.dk-toast-error{border-left-color:#f87171}.dk-toast-info{border-left-color:#818cf8}.page-sections-outer{max-width:1440px;margin:0 auto;padding:0 1.5rem 3rem}.calc-breadcrumb{max-width:1440px;color:var(--text-muted);margin:0 auto;padding:10px 20px 4px;font-size:.8rem}.calc-breadcrumb a{color:var(--text-muted);text-decoration:none}.calc-breadcrumb a:hover{color:var(--deck-gold)}.calc-breadcrumb .sep{margin:0 6px}.calc-content-wrapper,.calc-section{max-width:900px;margin-left:auto;margin-right:auto}.calc-section{padding:28px 0 12px}.calc-section__title{text-transform:uppercase;letter-spacing:2px;color:var(--text-main);text-align:center;margin-bottom:20px;font-size:1.15rem;font-weight:800}.calc-section__title:after{content:"";background:var(--deck-gold);border-radius:2px;width:36px;height:3px;margin:10px auto 0;display:block}.calc-howto-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.calc-howto-card{background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:var(--radius);padding:24px 20px;transition:border-color .25s,transform .25s;position:relative}.calc-howto-card:hover{border-color:var(--deck-gold);transform:translateY(-4px)}.calc-howto-card__number{background:var(--deck-gold);color:#000;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;margin-bottom:12px;font-size:.8rem;font-weight:800;display:flex}.calc-howto-card__title{color:var(--text-main);margin-bottom:8px;font-size:.95rem;font-weight:700}.calc-howto-card__body{color:var(--text-dim);margin:0;font-size:.82rem;line-height:1.6}.calc-formula-box{background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:var(--radius);margin-bottom:12px;padding:16px 20px}.calc-formula-box h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin:0 0 6px;font-size:.85rem;font-weight:700}.calc-formula-box__equation{color:var(--deck-teal);padding:8px 0;font-family:JetBrains Mono,monospace;font-size:.9rem}.calc-formula-box__description{color:var(--text-dim);margin:0;font-size:.8rem}.calc-glossary 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