/* Catalog and ranking presentation; lesson controls keep their existing styles. */
.trc-page,.trc-ranking{--tc-ink:var(--text-primary,#edf1fa);--tc-muted:var(--text-secondary,#b5bfd1);--tc-panel:var(--card-bg,#1d2338);--tc-line:var(--border-color,#3e4b68);color:var(--tc-ink)}.trc-page .trc-icon,.trc-ranking .trc-icon{display:inline-block;vertical-align:middle;flex-shrink:0}.trc-page .trc-hero{grid-template-columns:minmax(0,1.2fr) minmax(330px,.85fr);gap:48px;padding:24px 0 36px}.trc-page .tr-eyebrow{color:var(--tc-muted);font-size:10px;letter-spacing:1.5px}.trc-page .tr-hero h1{font-size:clamp(32px,3.7vw,46px);line-height:1.12;margin:16px 0 18px;letter-spacing:-1.5px}.trc-page .tr-hero h1 span{color:var(--tc-ink)}.trc-page .tr-hero p{font-size:14px;color:var(--tc-muted);line-height:1.85}.trc-hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px}.trc-hero-actions .tr-primary{display:inline-flex;gap:10px;align-items:center;font-size:13px;border-radius:12px;min-height:48px}.trc-hero-actions .trc-icon{width:19px;height:19px}.trc-hero-actions>span{font-size:10px;color:var(--tc-muted)}.trc-shortcuts{display:grid;gap:10px}.trc-page .trc-shortcut{display:flex;gap:12px;align-items:center;padding:18px;border:1px solid var(--tc-line);border-radius:18px;background:var(--tc-panel);color:var(--tc-ink);text-decoration:none;transition:transform .17s,border-color .17s}.trc-page .trc-shortcut:hover{border-color:#7b9ecd;transform:translateY(-2px)}.trc-shortcut>span:nth-child(2){flex:1}.trc-shortcut b{display:block;font-size:13px;line-height:1.4}.trc-shortcut small{display:block;color:var(--tc-muted);font-size:10px;line-height:1.5;margin-top:4px}.trc-shortcut .trc-shortcut-icon{display:grid;place-items:center;width:46px;height:46px;background:#f8e6bb;border-radius:14px;color:#7f540d;flex-shrink:0}.trc-shortcut-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.trc-shortcut-pair .trc-shortcut{flex-direction:column;align-items:flex-start;padding:17px;gap:12px}.trc-shortcut-pair .trc-shortcut-icon{width:37px;height:37px;border-radius:11px;background:#dceaff;color:#245a9e}.trc-shortcut-pair .trc-shortcut:last-child .trc-shortcut-icon{background:#f8e6d6;color:#92511f}.trc-shortcut-pair .trc-icon{width:21px;height:21px}.trc-page .trc-shortcut-rating{background:linear-gradient(120deg,#d5a64b10,var(--tc-panel));border-color:color-mix(in srgb,var(--tc-line),#b79450 25%)}.trc-catalog-title{display:flex;justify-content:space-between;align-items:end;gap:20px;border-top:1px solid var(--tc-line);padding-top:26px;margin:0 0 24px}.trc-kicker{font-size:9px;color:var(--tc-muted);letter-spacing:1.5px;font-weight:750;margin:0 0 9px}.trc-catalog-title h2{font-size:25px;line-height:1.25;letter-spacing:-.6px;margin:0;color:var(--tc-ink)}.trc-catalog-title>p{font-size:12px;color:var(--tc-muted);line-height:1.7;margin:0}.trc-page .tr-controls{gap:14px;margin-bottom:12px}.trc-page .tr-controls label{color:var(--tc-muted);font-size:11px}.trc-page .tr-controls input,.trc-page .tr-controls select{color:var(--tc-ink);background:var(--tc-panel);border-color:var(--tc-line);border-radius:12px;margin-bottom:0;height:48px}.trc-search-wrap{display:block;position:relative}.trc-search-wrap>.trc-icon{position:absolute;left:15px;top:14px;width:20px;height:20px;color:var(--tc-muted);pointer-events:none}.trc-page .tr-controls input{padding-left:45px}.trc-filterbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:16px 0 24px;flex-wrap:wrap}.trc-filters{display:flex;gap:7px;flex-wrap:wrap}.trc-filters button{font:inherit;font-size:11px;min-height:40px;padding:9px 13px;background:var(--tc-panel);border:1px solid var(--tc-line);border-radius:22px;color:var(--tc-ink);cursor:pointer}.trc-filters button[aria-pressed=true]{color:#fff!important;background:#275ca8;border-color:#275ca8}.trc-filters button:hover:not([aria-pressed=true]){border-color:#7b9ecd}.trc-filterbar>span{font-size:10px;color:var(--tc-muted)}.trc-page .tr-grid{gap:18px}.trc-page .trc-card{--tc-accent:#5c95d6;--tc-soft:#dbeaff;--tc-dark:#245b94;border:1px solid var(--tc-line);border-radius:21px;background:var(--tc-panel);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,border-color .18s,box-shadow .18s}.trc-page .trc-code{--tc-accent:#8f8bce;--tc-soft:#e7e7fc;--tc-dark:#4c4988}.trc-page .trc-logic{--tc-accent:#c89a52;--tc-soft:#f9ebcd;--tc-dark:#815814}.trc-page .trc-practice{--tc-accent:#c28c78;--tc-soft:#f9e4d9;--tc-dark:#8b5137}.trc-page .trc-all{--tc-accent:#659dac;--tc-soft:#dceff2;--tc-dark:#2c6573}.trc-page .trc-card:hover{border-color:var(--tc-accent);box-shadow:0 12px 32px #00000014;transform:translateY(-3px)}.trc-page .trc-card a.tr-card{background:none;border:0;border-radius:0;padding:0;transform:none;color:var(--tc-ink);flex:1;min-height:0;box-shadow:none}.trc-card-art{position:relative;padding:20px;display:flex;align-items:center;gap:12px;min-height:105px;background:linear-gradient(130deg,color-mix(in srgb,var(--tc-panel),var(--tc-accent) 17%),var(--tc-panel));border-bottom:1px solid color-mix(in srgb,var(--tc-line),transparent 45%)}.trc-page .trc-card .tr-badge{width:56px;height:56px;border-radius:17px;background:var(--tc-soft);color:var(--tc-dark);font-size:21px;position:relative;z-index:1;box-shadow:0 3px 8px #00000005}.trc-category{font-size:10px;font-weight:650;color:var(--tc-ink);position:relative;z-index:1}.trc-card-motif{position:absolute;right:5px;bottom:-8px;opacity:.12;color:var(--tc-accent);transform:rotate(-10deg);transition:transform .2s}.trc-card-motif .trc-icon{width:106px;height:106px;stroke-width:1}.trc-card:hover .trc-card-motif{transform:rotate(0deg)}.trc-card-body{padding:18px 20px 16px;display:flex;flex-direction:column;flex:1}.trc-card-body h3{font-size:17px;line-height:1.3;margin:0 0 10px;letter-spacing:-.35px;min-height:44px;color:var(--tc-ink)}.trc-page .trc-card-body p{color:var(--tc-muted);font-size:12px;line-height:1.65;margin:0 0 18px;min-height:40px;flex:1}.trc-page .trc-card-body .tr-card-foot{font-size:10px;color:var(--tc-muted);display:block;margin-bottom:15px}.trc-start{display:flex;align-items:center;justify-content:space-between;color:var(--tc-ink);font-size:12px;font-weight:750}.trc-start .trc-icon{width:28px;height:28px;padding:5px;background:var(--tc-soft);color:var(--tc-dark);border-radius:50%;transition:transform .18s}.trc-card:hover .trc-start .trc-icon{transform:translateX(3px)}.trc-card-rating{display:flex;align-items:center;gap:8px;justify-content:space-between;border-top:1px solid var(--tc-line);padding:7px 15px;min-height:53px}.trc-card-rating>span{font-size:10px;color:var(--tc-muted)}.trc-page .trc-card-rating a{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;min-height:36px;border-radius:9px;font-size:11px;color:var(--tc-ink);font-weight:650;text-decoration:none}.trc-card-rating a:hover{background:#7496c521}.trc-card-rating .trc-icon{width:16px;height:16px}.trc-card-rating .trc-icon:last-child{width:13px}.trc-ranking-note{display:flex;gap:9px;align-items:center;justify-content:center;margin:20px 0;color:var(--tc-muted);font-size:11px}.trc-ranking-note .trc-icon{width:17px;height:17px}.trc-empty{text-align:center;border:1px dashed var(--tc-line);padding:30px;border-radius:18px;background:var(--tc-panel)}.trc-empty>span{color:var(--tc-muted)}.trc-empty h3{font-size:18px;margin:12px 0}.trc-empty p{font-size:13px;color:var(--tc-muted)}.trc-empty button,.trc-ranking .trc-link-button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--tc-line);background:var(--tc-panel);color:var(--tc-ink);padding:12px 16px;border-radius:11px;min-height:44px;font:inherit;font-size:12px;text-decoration:none;cursor:pointer}.trc-rank-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:28px}.trc-ranking .trc-rank-nav .tr-back{margin-right:auto;margin-bottom:0}.trc-ranking .trc-rank-nav .trc-icon{width:18px;height:18px}.trc-ranking h1{font-size:clamp(25px,4vw,39px);letter-spacing:-1px}.trc-ranking .tr-eyebrow{color:var(--tc-muted)}.trc-ranking .tr-rank-filters{background:var(--tc-panel);border:1px solid var(--tc-line);padding:18px;border-radius:16px;gap:14px;margin-top:25px}.trc-ranking .tr-rank-filters label{font-size:11px;color:var(--tc-muted)}.trc-ranking .tr-rank-filters select{background:var(--bg-secondary,var(--tc-panel));color:var(--tc-ink);border-color:var(--tc-line)}.trc-ranking .tr-rank-stats>div{border:1px solid var(--tc-line);border-radius:16px;background:var(--tc-panel);padding:20px}.trc-ranking .tr-rank-stats strong{color:var(--tc-ink);font-size:32px}.trc-ranking .tr-rank-stats span{color:var(--tc-muted);font-size:11px}.trc-ranking .tr-leaders li{border-radius:13px;margin-bottom:8px;border:1px solid var(--tc-line);background:var(--tc-panel)}.trc-ranking .tr-leaders li.is-mine{border-color:#6293d5;background:color-mix(in srgb,var(--tc-panel),#5c95d6 13%)}.trc-ranking .tr-player,.trc-ranking .tr-points{color:var(--tc-ink)}.trc-page :focus-visible,.trc-ranking :focus-visible{outline:3px solid #649deb;outline-offset:3px}
@media(max-width:900px){.trc-page .trc-hero{grid-template-columns:1fr .95fr;gap:26px}.trc-page .tr-hero h1{font-size:35px}.trc-page .tr-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.trc-shortcut b{font-size:12px}.trc-shortcut small{font-size:9px}.trc-shortcut-pair .trc-shortcut{padding:13px}}
@media(max-width:620px){.trc-page,.trc-ranking{padding:20px 15px 40px}.trc-page .trc-hero{grid-template-columns:1fr;gap:23px;padding:10px 0 27px}.trc-page .tr-hero h1{font-size:35px;letter-spacing:-1px;margin:13px 0}.trc-page .tr-hero p{font-size:12px}.trc-hero-actions{margin-top:17px;gap:7px}.trc-hero-actions .tr-primary{font-size:12px}.trc-hero-actions>span{font-size:9px}.trc-page .trc-shortcut{padding:14px;border-radius:15px}.trc-shortcut b{font-size:12px}.trc-shortcut small{font-size:10px}.trc-shortcut-pair .trc-shortcut{flex-direction:row;gap:9px;padding:12px}.trc-shortcut-pair .trc-shortcut-icon{width:31px;height:35px;background:none!important}.trc-shortcut-pair .trc-shortcut small{display:none}.trc-shortcut-pair .trc-shortcut-icon{color:var(--tc-ink)!important}.trc-catalog-title{padding-top:22px;margin-bottom:18px}.trc-catalog-title h2{font-size:23px}.trc-catalog-title>p{display:none}.trc-page .tr-controls{flex-wrap:wrap;gap:12px}.trc-page .tr-controls label{width:100%}.trc-page .tr-controls label:first-child{flex-basis:100%}.trc-page .tr-controls input,.trc-page .tr-controls select{font-size:15px}.trc-filterbar{margin:15px 0 18px;gap:9px}.trc-filters{gap:6px}.trc-filters button{font-size:10px;min-height:39px;padding:9px 12px}.trc-page .tr-grid{grid-template-columns:1fr;gap:13px}.trc-card-art{min-height:79px;padding:15px 18px}.trc-page .trc-card .tr-badge{width:46px;height:46px;border-radius:14px;font-size:18px}.trc-category{font-size:10px}.trc-card-motif .trc-icon{width:85px;height:85px}.trc-card-body{padding:16px 18px 12px}.trc-card-body h3{min-height:0;font-size:19px;margin-bottom:8px}.trc-page .trc-card-body p{min-height:0;font-size:12px;margin-bottom:14px}.trc-page .trc-card-body .tr-card-foot{margin-bottom:11px}.trc-card-rating{padding:6px 13px;min-height:49px}.trc-card-rating a{min-height:40px}.trc-start{font-size:12px}.trc-ranking-note{justify-content:flex-start;font-size:10px;align-items:flex-start;line-height:1.65}.trc-rank-nav{gap:7px;margin-bottom:22px}.trc-ranking .trc-rank-nav .tr-back{width:100%;text-align:center}.trc-ranking .trc-link-button{flex:1;justify-content:center;font-size:11px;padding:10px 8px}.trc-ranking .tr-rank-filters{padding:14px;display:grid;grid-template-columns:1fr}.trc-ranking .tr-rank-filters .tr-primary{width:100%}.trc-ranking .tr-rank-stats{gap:8px}.trc-ranking .tr-rank-stats>div{padding:14px 10px}.trc-ranking .tr-rank-stats strong{font-size:25px}.trc-ranking .tr-rank-stats span{font-size:10px}}
@media(hover:none),(prefers-reduced-motion:reduce){.trc-page .trc-card,.trc-page .trc-shortcut,.trc-card-motif,.trc-start .trc-icon{transition:none}.trc-page .trc-card:hover,.trc-page .trc-shortcut:hover,.trc-card:hover .trc-card-motif,.trc-card:hover .trc-start .trc-icon{transform:none}}
.trc-rank-options{margin-top:22px}.trc-rank-options>summary{cursor:pointer;font-size:12px;color:var(--tc-ink);padding:12px 15px;background:var(--tc-panel);border:1px solid var(--tc-line);border-radius:12px;line-height:1.6}.trc-rank-options[open]>.tr-rank-filters{margin-top:10px}.trc-ranking .tr-rank-stats{margin-top:20px}