:root{--dec-blue-primary:#009fe3;--dec-blue-dark:#0077a9;--dec-blue-glow:#009fe340;--dec-orange-safety:#ff671f;--dec-orange-dark:#d64b00;--dec-dark-bg:#f0f2f5;--dec-panel-bg:#fff;--dec-text-main:#111827;--dec-text-muted:#6b7280;--dec-border:#e5e7eb;--dec-border-active:#9ca3af;--font-sans:"Inter", system-ui, sans-serif;--font-mono:"JetBrains Mono", monospace;--ease-punch:cubic-bezier(.34, 1.56, .64, 1);--shadow-card:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-float:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-sans);background-color:var(--dec-dark-bg);color:var(--dec-text-main);-webkit-font-smoothing:antialiased;font-size:13px}.app{flex-direction:column;height:100vh;display:flex;overflow:hidden}.app-body{flex:1;min-height:0;display:flex;overflow:hidden}.app-header{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--dec-border);background:#ffffffd9;flex-shrink:0;justify-content:space-between;align-items:center;height:52px;padding:0 1.5rem;display:flex;position:sticky;top:0}.header-brand{font-family:var(--font-sans);letter-spacing:-.03em;color:var(--dec-text-main);-webkit-user-select:none;user-select:none;align-items:center;gap:.5rem;font-size:1rem;font-weight:900;display:flex}.header-brand span{background:var(--dec-orange-safety);color:#fff;font-family:var(--font-mono);letter-spacing:.04em;border-radius:4px;padding:2px 6px;font-size:.6rem;font-weight:700;display:inline-block;transform:rotate(-5deg)}.header-actions{align-items:center;gap:.5rem;display:flex}.header-btn{border:1.5px solid var(--dec-border);color:var(--dec-text-muted);font-family:var(--font-sans);cursor:pointer;background:0 0;border-radius:6px;padding:.4rem .9rem;font-size:.78rem;font-weight:600;transition:border-color .15s,color .15s}.header-btn:hover{border-color:var(--dec-text-main);color:var(--dec-text-main)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:300;background:#11182780;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--dec-panel-bg);border:1px solid var(--dec-border);width:90vw;max-width:480px;box-shadow:var(--shadow-float);border-radius:12px;padding:2rem}.modal-title{letter-spacing:-.03em;color:var(--dec-text-main);border-bottom:3px solid var(--dec-orange-safety);margin-bottom:1.25rem;padding-bottom:.75rem;font-size:1.1rem;font-weight:900;display:inline-block}.modal-content{margin-bottom:1.25rem}.modal-content h3{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--dec-text-muted);margin:1rem 0 .5rem;font-size:.65rem;font-weight:700}.help-table{border-collapse:collapse;width:100%;font-size:.8rem}.help-table td{border-bottom:1px solid var(--dec-border);font-family:var(--font-mono);padding:.3rem .5rem}.help-table td:first-child{color:var(--dec-text-muted)}.help-table td:last-child{color:var(--dec-blue-primary);font-weight:700}.help-tips{flex-direction:column;gap:.4rem;list-style:none;display:flex}.help-tips li{color:var(--dec-text-muted);padding-left:1rem;font-size:.8rem;line-height:1.5;position:relative}.help-tips li:before{content:"→";color:var(--dec-blue-primary);position:absolute;left:0}.help-github{font-family:var(--font-mono);color:var(--dec-blue-primary);border-bottom:1px solid var(--dec-blue-glow);margin-top:1rem;font-size:.75rem;text-decoration:none;transition:border-color .15s;display:inline-block}.help-github:hover{border-color:var(--dec-blue-primary)}.btn-primary-full{background:var(--dec-blue-primary);color:#fff;width:100%;box-shadow:0 3px 0 var(--dec-blue-dark);font-family:var(--font-sans);cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.8rem;font-weight:700;transition:transform .1s,box-shadow .1s;display:block}.btn-primary-full:active{box-shadow:none;transform:translateY(3px)}.control-panel{background:var(--dec-panel-bg);border-left:1px solid var(--dec-border);scrollbar-width:thin;scrollbar-color:var(--dec-border) transparent;width:380px;box-shadow:var(--shadow-card);flex-direction:column;flex-shrink:0;order:1;min-height:0;display:flex;overflow-y:auto}.panel-section{border-bottom:1px solid var(--dec-border);flex-direction:column;gap:12px;padding:1rem 1.25rem;display:flex}.section-label{font-family:var(--font-mono);color:var(--dec-text-muted);text-transform:uppercase;letter-spacing:.08em;justify-content:space-between;align-items:center;font-size:.65rem;display:flex}.section-badge{color:var(--dec-blue-primary);font-family:var(--font-mono);letter-spacing:.06em;font-size:.6rem;font-weight:700}.field{flex-direction:column;gap:5px;display:flex}.field-label{font-family:var(--font-mono);color:var(--dec-text-muted);font-size:.72rem;font-weight:400}.field-input{width:100%;font-family:var(--font-mono);border:1px solid var(--dec-border);background:var(--dec-dark-bg);color:var(--dec-text-main);-moz-appearance:textfield;border-radius:6px;outline:none;padding:.5rem .75rem;font-size:.8rem;transition:border-color .2s,box-shadow .2s}.field-input::-webkit-outer-spin-button{-webkit-appearance:none}.field-input::-webkit-inner-spin-button{-webkit-appearance:none}.field-input:focus{border-color:var(--dec-blue-primary);box-shadow:0 0 0 3px var(--dec-blue-glow)}.stat-row{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.stat-label{font-size:.75rem;font-family:var(--font-mono);color:var(--dec-text-muted)}.stat-value{font-family:var(--font-mono);color:var(--dec-blue-primary);font-size:.8rem;font-weight:700}.export-btn{background:var(--dec-blue-primary);color:#fff;width:100%;box-shadow:0 3px 0 var(--dec-blue-dark);font-family:var(--font-sans);cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;padding:.55rem 1rem;font-size:.8rem;font-weight:700;transition:transform .1s,box-shadow .1s,opacity .15s;display:inline-flex}.export-btn:hover:not(:disabled){filter:brightness(1.08)}.export-btn:active:not(:disabled){box-shadow:none;transform:translateY(3px)}.export-btn:disabled{opacity:.35;cursor:not-allowed}.board-preview{background:var(--dec-dark-bg);-webkit-user-select:none;user-select:none;flex:1;min-width:0;min-height:0;position:relative;overflow:hidden}.dim-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--dec-border);border-left:3px solid var(--dec-blue-primary);font-family:var(--font-mono);color:var(--dec-text-main);pointer-events:none;z-index:50;background:#ffffffe0;border-radius:8px;padding:.5rem .75rem;font-size:.7rem;line-height:1.8;position:absolute;bottom:1rem;left:1rem}.dim-overlay .dim-label{color:var(--dec-text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.15rem;font-size:.6rem;display:block}.dim-overlay .dim-value{color:var(--dec-blue-primary);font-weight:700}.dim-overlay .dim-row{gap:1rem;display:flex}.dim-overlay .dim-item{flex-direction:column;display:flex}.reset-btn{color:#0006;font-family:var(--font-sans);letter-spacing:.06em;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffffe0;border:1px solid #0000001f;border-radius:4px;padding:4px 10px;font-size:11px;font-weight:400;transition:color .12s,border-color .12s,background .12s;position:absolute;top:12px;right:12px}.reset-btn:hover{color:#000000b3;border-color:#00000040}.view-toggle{z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffffe0;border:1px solid #0000001f;gap:1px;padding:2px;display:flex;position:absolute;top:12px;left:12px}.view-toggle-btn{color:#00000059;font-family:var(--font-sans);letter-spacing:.12em;cursor:pointer;background:0 0;border:none;padding:3px 11px;font-size:10px;font-weight:600;transition:background .1s,color .1s}.view-toggle-btn:hover{color:#000000a6}.view-toggle-btn.active{color:#fff;background:#000}.mobile-fab{z-index:200;background:var(--dec-blue-primary);color:#fff;width:52px;height:52px;box-shadow:0 4px 0 var(--dec-blue-dark), var(--shadow-float);cursor:pointer;transition:transform .15s var(--ease-punch);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:22px;display:none;position:fixed;bottom:1.25rem;right:1.25rem}.mobile-fab:active{transform:scale(.92)}.mobile-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:149;background:#11182766;display:none;position:fixed;inset:0}@media (width<=768px){.control-panel{z-index:150;width:90vw;max-width:380px;height:calc(100vh - 52px);box-shadow:var(--shadow-float);border-left:1px solid var(--dec-border);transition:right .3s;position:fixed;top:52px;right:-420px}.control-panel.is-open{right:0}.mobile-fab{display:flex}.mobile-backdrop{display:block}.dim-overlay{bottom:5rem}}