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var(--bl-border);border-radius:var(--bl-radius-md);width:100%;min-height:132px;color:var(--bl-fg);font-family:var(--bl-font-mono);font-size:var(--bl-fs-sm);resize:vertical;transition:border-color var(--bl-duration-fast);box-sizing:border-box;outline:none;max-width:100%;padding:10px 14px;line-height:1.5}.bl-home-pgn-textarea:focus{border-color:var(--bl-felt);background:var(--bl-bg-raised)}.bl-home-pgn-textarea--error{border-color:var(--bl-brick)}.bl-home-field-label{font-size:var(--bl-fs-sm);color:var(--bl-fg);margin-bottom:var(--bl-space-2);font-weight:600;display:block}.bl-home-field-hint{font-size:var(--bl-fs-xs);color:var(--bl-fg-muted);display:block}.bl-home-minute-note{margin-top:calc(-1 * var(--bl-space-2));font-size:var(--bl-fs-xs);color:var(--bl-fg-muted);display:block}.bl-home-import-panel{gap:var(--bl-space-3);flex-direction:column;display:flex}.bl-home-import-loading{text-align:center;padding:var(--bl-space-4) 0}.bl-home-spinner{border:2.5px solid var(--bl-border);border-top-color:var(--bl-felt);width:32px;height:32px;margin:0 auto var(--bl-space-3);border-radius:50%;animation:.8s linear infinite bl-home-spin}@keyframes bl-home-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.bl-home-spinner{animation-duration:2.4s}}.bl-home-import-loading strong{font-weight:700;font-size:var(--bl-fs-body);display:block}.bl-hero-board-card{background:var(--bl-bg-raised);border:1px solid var(--bl-border);border-radius:var(--bl-radius-lg);padding:var(--bl-space-4);position:relative}.bl-hero-board-card__meta{justify-content:space-between;align-items:center;gap:var(--bl-space-2);margin-bottom:var(--bl-space-3);display:flex}.bl-hero-board-card__pos{font-family:var(--bl-font-mono);font-size:var(--bl-fs-xs);color:var(--bl-fg-muted)}.bl-hero-board{aspect-ratio:1;border-radius:var(--bl-radius-sm);border:1px solid var(--bl-border);width:100%;position:relative;overflow:hidden}.bl-hero-board .bl-board{aspect-ratio:1;-webkit-user-select:none;user-select:none;background:var(--bl-chess-dark);border:0;grid-template-rows:repeat(8,minmax(0,1fr));grid-template-columns:repeat(8,minmax(0,1fr));width:100%;display:grid;position:relative;overflow:hidden}.bl-hero-board .bl-square{aspect-ratio:1;place-items:center;width:100%;min-width:0;height:100%;min-height:0;font-size:clamp(12px,4.5vw,40px);display:grid;overflow:hidden}.bl-hero-board .bl-square--light{background-color:var(--bl-chess-light)}.bl-hero-board .bl-square--dark{background-color:var(--bl-chess-dark)}.bl-hero-board .bl-piece{line-height:1}.bl-hero-board .coach-pen-board-overlay{pointer-events:none;z-index:10;width:100%;height:100%;position:absolute;inset:0}.bl-hero-board-card__caption{margin-top:var(--bl-space-3);font-size:var(--bl-fs-xs);color:var(--bl-fg-secondary);justify-content:space-between;align-items:center;gap:var(--bl-space-2);flex-wrap:wrap;display:flex}.bl-hero-board-card__caption strong{color:var(--bl-brick)}.bl-hero-board-card__best{color:var(--bl-felt);font-weight:600}.bl-home-method{background:var(--bl-surface);padding:var(--bl-space-10) var(--bl-gutter);border-block:1px solid var(--bl-border)}.bl-home-method__inner{max-width:var(--bl-container);text-align:center;margin:0 auto}.bl-home-method__inner>.bl-badge{margin-bottom:var(--bl-space-2)}.bl-home-method__inner h2{font-size:var(--bl-fs-h1);margin-bottom:var(--bl-space-2)}.bl-home-method__lead{color:var(--bl-fg-secondary);max-width:520px;margin:0 auto var(--bl-space-8)}.bl-loop-orbit{gap:var(--bl-space-5);max-width:920px;padding:var(--bl-space-4) 0;grid-template-columns:minmax(200px,1fr) 300px minmax(200px,1fr);grid-template-areas:".n.""w hub e"".s.";align-items:center;margin:0 auto;display:grid}.bl-loop-orbit__hub{grid-area:hub;justify-content:center;justify-self:center;align-items:center;width:240px;height:240px;display:flex;position:relative}.bl-loop-orbit__ring{width:100%;height:100%;position:absolute;inset:0}.bl-loop-orbit__hub-label{font-family:var(--bl-font-display);text-align:center}.bl-loop-orbit__title{color:var(--bl-felt);font-size:24px;font-weight:800}.bl-loop-orbit__subtitle{color:var(--bl-fg-muted);text-transform:uppercase;letter-spacing:.05em;font-size:11px}.bl-loop-node{background:var(--bl-bg-raised);border:1px solid var(--bl-border);border-radius:var(--bl-radius-md);padding:var(--bl-space-4);gap:var(--bl-space-2);flex-direction:column;display:flex}.bl-loop-node__num{font-family:var(--bl-font-mono);font-size:var(--bl-fs-xs);color:var(--bl-felt);align-items:center;gap:4px;font-weight:700;display:inline-flex}.bl-loop-node__num--brick{color:var(--bl-brick)}.bl-loop-node__head{font-size:var(--bl-fs-body)}.bl-loop-node__body{font-size:var(--bl-fs-xs);color:var(--bl-fg-secondary)}.bl-loop-orbit__node{text-align:left}.bl-loop-orbit__node--n{grid-area:n}.bl-loop-orbit__node--e{grid-area:e}.bl-loop-orbit__node--s{grid-area:s}.bl-loop-orbit__node--w{grid-area:w}@media (max-width:899px){.bl-loop-orbit{justify-content:center;gap:var(--bl-space-4);grid-template-columns:minmax(0,420px);grid-template-areas:"hub""n""e""s""w"}.bl-loop-orbit__hub{width:180px;height:180px}.bl-loop-orbit__title{font-size:17px}}