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6px);top:auto}.qbk-like{display:inline-flex;align-items:center;gap:5px;min-height:32px;padding:4px 10px;flex-shrink:0;border:1px solid var(--line);border-radius:var(--r-full);background:var(--paper);font-size:12.5px;font-weight:600;color:var(--ink-3);cursor:pointer}.qbk-like:hover,.qbk-like[data-on=true]{color:var(--red);border-color:var(--red-line)}.qbk-like[data-on=true]{background:var(--red-soft)}.qbk-empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-md);text-align:center;color:var(--ink-2)}.qbk-empty p{margin:0;max-width:56ch;line-height:1.6;font-size:14px}.qbk-empty-actions{gap:8px;flex-wrap:wrap}.qbk-empty-actions,.qbk-pager{display:flex;justify-content:center}.qbk-pager{align-items:center;gap:14px;margin-top:6px;font-size:13px;color:var(--ink-3)}.qbk-toast{position:fixed;left:50%;bottom:24px;z-index:120;transform:translateX(-50%);max-width:calc(100vw - 32px);padding:10px 16px;border-radius:var(--r-sm);background:var(--ink);color:#fff;font-size:14px;box-shadow:var(--sh-2)}.qbk-preview{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;background:var(--paper-2)}.qbk-preview-bar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--paper)}.qbk-preview-title{display:flex;flex-direction:column;min-width:0;flex:1 1}.qbk-preview-title strong{font-size:15px}.qbk-preview-title span,.qbk-preview-title strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qbk-preview-title span{font-size:12.5px;color:var(--ink-3)}.qbk-preview-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.qbk-preview-scroll{flex:1 1;overflow-y:auto;outline:none}.qbk-preview-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:80px 20px;color:var(--ink-3)}.qbk-preview-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-gap:24px;gap:24px;max-width:1180px;margin:0 auto;padding:24px 20px 64px}.qbk-paper{min-width:0;padding:22px 26px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper)}.qbk-paper-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.qbk-toggle{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:550;color:var(--ink-2);cursor:pointer}.qbk-toggle input{width:16px;height:16px;accent-color:var(--blue)}.qbk-paper .qp-opt[data-correct=true]{color:var(--green);font-weight:600}.qbk-paper .qp-opt[data-correct=true] .qp-opt-l{color:var(--green)}.qbk-expl{margin:10px 0 0 2.4rem;font-size:14px}.qbk-preview-rail{display:flex;flex-direction:column;gap:14px;min-width:0}.qbk-facts{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin:0}.qbk-facts dt{font-size:11.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em}.qbk-facts dd{margin:2px 0 0;font-size:15px;font-weight:600}.qbk-rail-actions{display:flex;flex-direction:column;gap:8px;margin-top:16px}.qbk-rail-actions .btn{justify-content:flex-start}.qbk-rail-title{margin:0 0 10px;font-size:14px}.qbk-related{list-style:none;margin:0;padding:0;gap:4px}.qbk-related,.qbk-related button{display:flex;flex-direction:column}.qbk-related button{gap:2px;width:100%;padding:8px 10px;border-radius:var(--r-sm);border:0;background:none;text-align:left;cursor:pointer}.qbk-related button:hover{background:var(--paper-2)}.qbk-related strong{font-size:13.5px;color:var(--ink);line-height:1.35}.qbk-related span{font-size:12px;color:var(--ink-3)}@media (max-width:1000px){.qbk-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.qbk-preview-layout{grid-template-columns:1fr}}@media (max-width:640px){.qbk-head{flex-direction:column}.qbk-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.qbk-preview-bar{flex-wrap:wrap;padding:8px 12px}.qbk-preview-title{order:3;flex-basis:100%}.qbk-preview-actions{margin-left:auto}.qbk-paper{padding:16px 14px}.qbk-preview-layout{padding:12px 10px 48px}}.btn.qb-btn-blue,.btn.qb-btn-teal{color:#fff;border:0;box-shadow:var(--sh-1)}.btn.qb-btn-blue{background:var(--blue)}.btn.qb-btn-blue:hover{background:var(--blue-dark);box-shadow:var(--sh-2)}.btn.qb-btn-teal{background:var(--teal)}.btn.qb-btn-teal:hover:not(:disabled){background:#0b5f54;box-shadow:var(--sh-2)}.btn.qb-btn-teal:disabled{opacity:.7;cursor:default}.qp-toolbar{display:inline-flex;flex-wrap:wrap;align-items:stretch;max-width:100%;border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}.qb-tool{--tone:var(--ink-2);--tone-soft:var(--paper-2);display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 14px;border:0;background:transparent;color:var(--ink-2);font-size:13.5px;font-weight:600;text-decoration:none;cursor:pointer}.qb-tool svg{color:var(--tone)}.qb-tool:hover{background:var(--tone-soft);color:var(--ink)}.qb-tool:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}.qb-tool[data-tone=like]{--tone:#d6336c;--tone-soft:#fff0f5}.qb-tool[data-tone=like][data-on=true]{background:#ffe3ec;color:#b0245a}.qb-tool[data-tone=share]{--tone:var(--blue);--tone-soft:var(--blue-soft)}.qb-tool[data-tone=whatsapp]{--tone:#1a9d54;--tone-soft:#e8f7ee}.qb-tool[data-tone=link]{--tone:var(--ink-3)}.qb-tool[data-tone=report]{--tone:var(--ink-4);color:var(--ink-3)}.qb-tool[data-tone=report]:hover{--tone:var(--red);--tone-soft:var(--red-soft);color:var(--red)}.qb-tool+.qb-tool{border-left:1px solid var(--line-soft)}.qb-tool-sep{width:1px;background:var(--line);margin:8px 4px 8px 0}.qb-tool-sep+.qb-tool{border-left:0}.qb-tool .qb-count{background:rgba(0,0,0,.06)}@media (max-width:560px){.qp-toolbar{display:grid;grid-template-columns:repeat(3,1fr);width:100%}.qb-tool{justify-content:center;padding:0 6px;border-top:1px solid var(--line-soft)}.qb-tool:nth-child(-n+3){border-top:0}.qb-tool+.qb-tool{border-left:1px solid var(--line-soft)}.qb-tool:nth-child(4){border-left:0}.qb-tool-sep{display:none}}.qb-tool[data-tone=report]{grid-column:auto}@media (max-width:560px){.qb-tool[data-tone=report]{grid-column:span 2}}.qbk-preview-btn{color:var(--blue-dark);border-color:var(--blue-line)}.qbk-preview-btn:hover{background:var(--blue-soft);border-color:var(--blue)}.qbk-pdf{color:var(--blue)}.qbk-pdf:hover{background:var(--blue-soft);color:var(--blue-dark)}.qbk-card-actions .btn{flex:1 1;min-width:0;padding-left:8px;padding-right:8px}.qbk-like{--like:#d6336c}.qbk-like:hover{color:#d6336c;border-color:#f4b8cf;background:#fff0f5}.qbk-like[data-on=true]{color:#b0245a;border-color:#f4b8cf;background:#ffe3ec}.qp-page .qp-browse{padding-top:1.5rem;padding-bottom:4.5rem;border-top:1px solid var(--line);margin-top:1rem}.qp-browse-head{margin:1.75rem 0 1.4rem}.qp-browse-head h2{margin:0 0 .35rem;font-size:1.5rem;letter-spacing:-.02em}.qp-browse-head p{margin:0;color:var(--ink-3);font-size:.95rem}.qp-browse-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:1rem;gap:1rem;align-items:start}.qp-facet{padding:1.15rem 1.25rem 1.3rem;border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:var(--sh-1)}.qp-facet h3{margin:0 0 .85rem;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-family:var(--font-mono-stack)}.qp-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.qp-chip{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 6px 0 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper-2);color:var(--ink);font-size:.9rem;font-weight:550;text-decoration:none;transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease)}.qp-chip b{min-width:26px;padding:3px 8px;border-radius:999px;background:var(--paper);border:1px solid var(--line-soft);color:var(--ink-3);font-size:.78rem;font-weight:600;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.qp-chip:hover{background:var(--blue-soft)}.qp-chip:hover,.qp-chip:hover b{border-color:var(--blue-line);color:var(--blue-dark)}.qp-chip:focus-visible{outline:3px solid var(--blue);outline-offset:2px}@media (max-width:760px){.qp-browse-grid{grid-template-columns:1fr}}