/* ═══ tool-sosanh page styles ═══ */
main{position:relative;z-index:1;max-width:1000px;margin:0 auto;padding:40px 24px 80px}
    @media(max-width:640px){
      main{padding:12px 0 60px}
      .breadcrumb{padding:0 12px}
      .page-head{padding:0 12px}
      .filter-bar{padding:0 12px}
      .cmp-wrap{border-radius:0;border-left:none;border-right:none}
      .info-card{border-radius:0;border-left:none;border-right:none}
    }
    .breadcrumb{font-size:12px;color:var(--muted);margin-bottom:20px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
    .breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--text2)}
    .page-head{margin-bottom:32px}
    .page-head-row{display:flex;align-items:center;gap:14px;margin-bottom:8px}
    .page-head-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#22c97a,#059669);
      display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 4px 20px rgba(34,201,122,0.3)}
    .page-head h1{font-size:26px;font-weight:800;letter-spacing:-.4px}
    .page-head .sub{font-size:13px;color:var(--muted);margin-top:5px}

    /* FILTER BAR */
    .filter-bar{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}
    .filter-label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
    .unit-tab{padding:6px 16px;border-radius:var(--radius-sm);font-size:12.5px;font-weight:600;
      border:1px solid var(--border);background:var(--bg3);color:var(--muted2);cursor:pointer;
      transition:all .18s;font-family:'Inter',sans-serif}
    .unit-tab:hover{border-color:var(--border2);color:var(--text)}
    .unit-tab.active{background:linear-gradient(135deg,#22c97a,#059669);color:#fff;border-color:transparent}
    .live-badge{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
    .live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);
      animation:blink 1.3s infinite}
    @keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

    /* COMPARISON TABLE */
    .cmp-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);
      overflow:hidden;margin-bottom:28px;box-shadow:0 8px 40px rgba(0,0,0,0.4)}
    .cmp-table{width:100%;border-collapse:collapse}
    .cmp-table thead th{padding:12px 20px;font-size:11px;font-weight:700;text-transform:uppercase;
      letter-spacing:.07em;color:var(--muted);background:var(--bg3);text-align:left;
      border-bottom:1px solid var(--border)}
    .cmp-table tbody tr{border-bottom:1px solid var(--border);transition:background .15s}
    .cmp-table tbody tr:last-child{border-bottom:none}
    .cmp-table tbody tr:hover{background:rgba(255,255,255,0.02)}
    .cmp-table td{padding:16px 20px;vertical-align:middle}

    .cmp-brand-cell{display:flex;align-items:center;gap:10px}
    .cmp-brand-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;
      justify-content:center;flex-shrink:0;font-size:11px;font-weight:900}
    .cmp-brand-name{font-size:14px;font-weight:600;color:var(--text2)}
    .cmp-unit-badge{font-size:10px;color:var(--muted);margin-top:2px;font-weight:500}

    .cmp-price{font-family:'JetBrains Mono',monospace;font-size:17px;font-weight:700}
    .cmp-buy{color:var(--red)}.cmp-sell{color:var(--green)}
    .cmp-spread{font-size:13px;font-family:'JetBrains Mono',monospace;color:var(--muted2)}
    .cmp-time{font-size:11px;color:var(--muted)}
    .best-badge{display:inline-block;background:rgba(34,201,122,0.15);color:var(--green);
      font-size:10px;font-weight:700;padding:2px 7px;border-radius:4px;margin-left:6px;border:1px solid rgba(34,201,122,0.25)}
    .low-badge{display:inline-block;background:rgba(245,82,82,0.12);color:var(--red);
      font-size:10px;font-weight:700;padding:2px 7px;border-radius:4px;margin-left:6px;border:1px solid rgba(245,82,82,0.2)}

    /* CARDS mobile */
    @media(max-width:640px){
      .cmp-table thead{display:none}
      .cmp-table,
      .cmp-table tbody,
      .cmp-table tr,
      .cmp-table td{display:block;width:100%}
      .cmp-table tr{padding:14px 16px;border-bottom:1px solid var(--border)}
      .cmp-table td{padding:4px 0;display:flex;justify-content:space-between;align-items:center}
      .cmp-table td::before{content:attr(data-label);font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
    }

    /* INFO */
    .info-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);
      padding:24px;margin-bottom:24px}
    .info-card h2{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--text2)}
    .info-card p{font-size:14px;line-height:1.75;color:var(--muted2);margin-bottom:8px}