#pc-tool{--radius:10px;--err:#ff5c6a;--pc-exact:#22c55e;--pc-measured:#ffb347}[data-theme=light] #pc-tool{--err:#d92f3d}.pc-share-row{margin-top:10px;display:flex}.pc-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.pc-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.pc-panel-actions{flex-wrap:wrap;gap:8px;display:flex}.pc-panel-title{color:var(--txt-strong);margin-bottom:6px;font-size:17px;font-weight:800}.pc-panel-sub{color:var(--txt-dim);margin-bottom:14px;font-size:13px;line-height:1.6}.pc-panel-sub code,.pc-digit-controls code{font-family:var(--mono);color:var(--accent)}.pc-search-row{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.pc-search-wrap{flex:1;min-width:240px;margin-bottom:0}.pc-view-toggle{background:var(--surface2);border:1px solid var(--border);border-radius:8px;flex-shrink:0;gap:4px;padding:4px;display:flex}.pc-view-btn{width:36px;height:34px;color:var(--txt-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;font-size:15px}.pc-view-btn.active{background:var(--accent);color:#fff}.pc-cat-tabs{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.pc-cat-tab{cursor:pointer;background:var(--surface2);border:1px solid var(--border);color:var(--txt-dim);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;transition:all .2s}.pc-cat-tab:hover{border-color:var(--accent);color:var(--txt-strong)}.pc-cat-tab.active{background:color-mix(in srgb, var(--accent) 16%, transparent);border-color:color-mix(in srgb, var(--accent) 45%, transparent);color:var(--accent)}.pc-settings-row{border-top:1px dashed var(--border);flex-wrap:wrap;align-items:end;gap:18px;padding-top:14px;display:flex}.pc-field{flex-direction:column;gap:6px;min-width:160px;display:flex}.pc-field label{color:var(--txt-dim);font-size:12px;font-weight:700}.pc-field select{border:1px solid var(--border);background:var(--surface2);color:var(--txt-strong);font-family:var(--sans);border-radius:8px;padding:9px 12px;font-size:13px}.pc-field input[type=range]{accent-color:var(--accent);width:160px}.pc-check{color:var(--txt);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.pc-check input{width:16px;height:16px;accent-color:var(--accent)}.pc-results-hd{color:var(--txt-dim);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;font-size:13px;font-weight:600;display:flex}.pc-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;display:grid}.pc-card{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:12px;padding:16px;transition:border-color .2s,transform .2s;position:relative}.pc-card:hover{border-color:var(--accent);transform:translateY(-2px)}.pc-card-hd{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.pc-card-sym{font-family:var(--mono);color:var(--accent);font-size:20px;font-weight:800}.pc-card-star{color:var(--txt-dim);cursor:pointer;background:0 0;border:none;flex-shrink:0;font-size:15px}.pc-card-star.on{color:var(--warn)}.pc-card-name{color:var(--txt-strong);margin-bottom:8px;font-size:13px;font-weight:700}.pc-card-value{font-family:var(--mono);color:var(--txt);word-break:break-word;margin-bottom:8px;font-size:13px}.pc-card-meta{flex-wrap:wrap;gap:6px;display:flex}.pc-badge{text-transform:uppercase;letter-spacing:.4px;border-radius:999px;padding:3px 8px;font-size:10px;font-weight:800}.pc-badge.exact{color:var(--pc-exact);background:color-mix(in srgb, var(--pc-exact) 14%, transparent);border:1px solid color-mix(in srgb, var(--pc-exact) 30%, transparent)}.pc-badge.measured{color:var(--pc-measured);background:color-mix(in srgb, var(--pc-measured) 14%, transparent);border:1px solid color-mix(in srgb, var(--pc-measured) 30%, transparent)}.pc-badge.cat{color:var(--txt-dim);background:var(--surface);border:1px solid var(--border)}.pc-table-wrap{border:1px solid var(--border);border-radius:8px;overflow-x:auto}table.pc-table{border-collapse:collapse;width:100%;font-family:var(--mono);font-size:12.5px}table.pc-table th{background:var(--surface2);color:var(--txt-dim);text-align:left;border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.4px;padding:9px 14px;font-size:10.5px;position:sticky;top:0}table.pc-table td{border-bottom:1px solid var(--border);color:var(--txt);cursor:pointer;padding:8px 14px}table.pc-table tr:hover td{background:var(--surface2)}table.pc-table td.sym{color:var(--accent);font-weight:700}.pc-empty-state{text-align:center;color:var(--txt-dim);padding:40px 10px;font-size:13px;display:none}.pc-empty-state.show{display:block}.pc-modal{z-index:2600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;justify-content:center;align-items:flex-start;padding:60px 16px;display:flex;position:fixed;inset:0;overflow-y:auto}.pc-modal[hidden]{display:none}.pc-modal-card{background:var(--bg);border:1px solid var(--border);border-radius:16px;width:100%;max-width:680px;padding:28px;box-shadow:0 30px 80px #0006}.pc-modal-hd{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:6px;display:flex}.pc-modal-sym{font-size:34px;font-weight:900;font-family:var(--mono);color:var(--accent)}.pc-modal-name{color:var(--txt-strong);margin-top:2px;font-size:15px;font-weight:800}.pc-modal-close{border:1px solid var(--border);background:var(--surface);width:34px;height:34px;color:var(--txt);cursor:pointer;border-radius:50%;flex-shrink:0;font-size:15px}.pc-modal-close:hover{background:var(--surface2)}.pc-modal-value{font-family:var(--mono);color:var(--txt-strong);background:var(--surface2);border:1px solid var(--border);word-break:break-word;border-radius:8px;margin:14px 0;padding:12px 14px;font-size:17px}.pc-modal-desc{color:var(--txt);margin-bottom:12px;font-size:14px;line-height:1.7}.pc-modal-use{color:var(--txt-dim);background:var(--surface2);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;margin-bottom:14px;padding:10px 14px;font-size:13px;line-height:1.7}.pc-modal-section{margin-bottom:14px}.pc-modal-section h4{text-transform:uppercase;letter-spacing:.5px;color:var(--txt-dim);margin-bottom:8px;font-size:12px;font-weight:800}.pc-code-row{background:var(--surface2);border:1px solid var(--border);border-radius:7px;align-items:center;gap:8px;margin-bottom:6px;padding:8px 12px;display:flex}.pc-code-row code{font-family:var(--mono);color:var(--accent);white-space:pre;flex:1;font-size:12.5px;overflow-x:auto}.pc-related-chips{flex-wrap:wrap;gap:6px;display:flex}.pc-related-chips span{background:var(--surface2);border:1px solid var(--border);font-family:var(--mono);color:var(--txt);cursor:pointer;border-radius:999px;padding:5px 12px;font-size:12px}.pc-related-chips span:hover{border-color:var(--accent);color:var(--accent)}.pc-modal-actions{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.pc-compare-picker{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.pc-compare-chip{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:999px;padding:7px 14px;font-size:12.5px;font-weight:700}.pc-compare-chip.on{background:color-mix(in srgb, var(--accent) 16%, transparent);border-color:var(--accent);color:var(--accent)}.pc-compare-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.pc-compare-card{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:16px}.pc-compare-card h3{font-family:var(--mono);color:var(--accent);margin-bottom:8px;font-size:16px}.pc-compare-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:6px 0;font-size:12.5px;display:flex}.pc-compare-row:last-child{border-bottom:none}.pc-compare-row span:last-child{color:var(--txt-strong);font-weight:700;font-family:var(--mono)}.pc-compare-ratios{background:var(--surface2);border:1px solid var(--border);font-family:var(--mono);color:var(--txt);border-radius:10px;grid-column:1/-1;padding:14px 16px;font-size:12.5px;line-height:1.8}.pc-digit-controls{flex-wrap:wrap;gap:10px;margin-bottom:14px;display:flex}.pc-digit-controls select,.pc-digit-controls input{border:1px solid var(--border);background:var(--surface2);color:var(--txt-strong);font-family:var(--sans);border-radius:8px;padding:10px 12px;font-size:13px}.pc-digit-controls input{min-width:160px;font-family:var(--mono);flex:1}.pc-digit-display{font-family:var(--mono);color:var(--txt-strong);background:var(--surface2);border:1px solid var(--border);word-break:break-all;border-radius:10px;padding:16px;font-size:15px;line-height:2}.pc-digit-display mark{background:color-mix(in srgb, var(--warn) 55%, transparent);color:inherit;border-radius:2px}.pc-digit-result{color:var(--txt-dim);margin-top:8px;font-size:12.5px}.pc-textarea{resize:vertical;background:var(--surface2);border:1px solid var(--border);width:100%;min-height:110px;color:var(--txt);font-family:var(--mono);border-radius:8px;outline:none;margin-bottom:12px;padding:14px;font-size:13px;line-height:1.6}.pc-textarea:focus{border-color:var(--accent)}.pc-actions{flex-wrap:wrap;gap:12px;margin-bottom:14px;display:flex}.pane-btn{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:7px;padding:8px 14px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}.pane-btn:hover{background:var(--surface);color:var(--txt-strong);border-color:var(--accent)}.pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent);border-color:var(--err)}.pc-formula-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.pc-formula-card{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:16px}.pc-formula-card h4{color:var(--txt-strong);margin-bottom:4px;font-size:13px;font-weight:800}.pc-formula-expr{font-family:var(--mono);color:var(--accent);margin-bottom:8px;font-size:15px}.pc-formula-card p{color:var(--txt-dim);font-size:12.5px;line-height:1.6}.pc-formula-example{font-family:var(--mono);color:var(--txt);background:var(--surface);border-radius:6px;margin-top:8px;padding:8px 10px;font-size:12px}.pc-quiz-wrap{text-align:center}.pc-quiz-score{color:var(--txt-dim);font-size:12px;font-weight:700;font-family:var(--mono)}.pc-quiz-question{color:var(--txt-strong);min-height:26px;margin-bottom:18px;font-size:16px;font-weight:700;line-height:1.6}.pc-quiz-choices{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-bottom:18px;display:grid}.pc-quiz-choice{border:1px solid var(--border);background:var(--surface2);color:var(--txt-strong);font-family:var(--mono);cursor:pointer;word-break:break-word;border-radius:10px;padding:14px;font-size:13px;font-weight:700;transition:all .15s}.pc-quiz-choice:hover:not(:disabled){border-color:var(--accent)}.pc-quiz-choice.correct{border-color:var(--ok);background:color-mix(in srgb, var(--ok) 14%, transparent);color:var(--ok)}.pc-quiz-choice.wrong{border-color:var(--err);background:color-mix(in srgb, var(--err) 14%, transparent);color:var(--err)}.pc-quiz-choice:disabled{cursor:default;opacity:.8}.pc-quiz-actions{justify-content:center;gap:10px;display:flex}.pc-fav-list,.pc-history-list{flex-direction:column;gap:8px;max-height:340px;display:flex;overflow-y:auto}.pc-list-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.pc-fav-item,.pc-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:10px;padding:9px 14px;transition:border-color .2s;display:flex}.pc-fav-item:hover,.pc-history-item:hover{border-color:var(--accent)}.pc-item-sym{font-family:var(--mono);color:var(--accent);flex-shrink:0;font-weight:800}.pc-item-text{min-width:0;color:var(--txt);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12.5px;overflow:hidden}.pc-item-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.pc-item-del:hover{color:var(--err);border-color:var(--err)}.b64-howto{counter-reset:pc-step;flex-direction:column;gap:14px;max-width:800px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:pc-step;content:counter(pc-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.b64-howto code{font-family:var(--mono);color:var(--accent)}@media print{nav,.mobile-nav,.breadcrumb-wrap,.support-section,.browse-cats,footer,.tool-faq-section,.cat-hero,.pc-panel-actions,.pc-actions,.pc-modal,.pc-share-row,.pc-toast{display:none!important}.pc-grid{grid-template-columns:repeat(3,1fr)!important}}.pc-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:3000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.pc-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=650px){.pc-panel{padding:18px}.pc-grid{grid-template-columns:1fr 1fr}.pc-settings-row{flex-direction:column;align-items:stretch}.pc-field input[type=range]{width:100%}}@media (width<=420px){.pc-grid{grid-template-columns:1fr}}