.tradeup-hero {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: end;
      padding: 8px 2px 4px;
    }
    .tradeup-hero h1 {
      max-width: 760px;
      color: #f8fafc;
      font-size: clamp(30px, 4vw, 42px);
      line-height: 1;
      letter-spacing: 0;
    }
    .tradeup-hero p {
      max-width: 720px;
      color: #a8b6c8;
      line-height: 1.45;
      margin-top: 8px;
      font-size: 13px;
    }
    .tradeup-toolnav {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      align-items: center;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
      margin-bottom: 12px;
    }
    .tradeup-toolnav a {
      min-height: 34px;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-bottom: 2px solid transparent;
      color: #9fb0c7;
      padding: 0 12px;
      font-size: 13px;
      font-weight: 850;
      text-decoration: none;
    }
    .tradeup-toolnav a.active {
      border-color: #22d3ee;
      color: #22d3ee;
      background: rgba(34, 211, 238, 0.08);
    }
    .tradeup-badge,
    .tradeup-pill {
      width: fit-content;
      min-height: 24px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      border: 1px solid rgba(245, 158, 11, 0.34);
      background: rgba(245, 158, 11, 0.1);
      color: #fbbf24;
      padding: 0 9px;
      font-size: 11px;
      font-weight: 950;
      text-transform: uppercase;
    }
    .tradeup-hero-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .tradeup-layout {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      align-items: start;
    }
    .tradeup-builder {
      display: grid;
      gap: 12px;
      min-width: 0;
    }
    .tradeup-browser-panel,
    .tradeup-results-panel {
      min-width: 0;
    }
    .tradeup-results-panel {
      display: grid;
      grid-column: 1 / -1;
      grid-template-columns: minmax(260px, 0.42fr) minmax(260px, 0.42fr) minmax(560px, 1.16fr);
      gap: 12px;
      align-items: start;
      position: static;
    }
    .tradeup-browser-panel,
    .tradeup-results-panel .panel-section,
    .contract-panel {
      background:
        linear-gradient(180deg, rgba(12, 20, 32, 0.94), rgba(4, 9, 17, 0.94)),
        rgba(3, 7, 18, 0.62);
    }
    .tradeup-browser-panel,
    .contract-panel {
      border-color: rgba(34, 211, 238, 0.16);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 18px 48px rgba(0,0,0,0.18);
    }
    .tradeup-browser-panel {
      display: grid;
      align-content: start;
    }
    .browser-controls {
      display: grid;
      gap: 8px;
      margin-bottom: 10px;
    }
    .browser-search {
      width: 100%;
      min-height: 40px;
      border: 1px solid rgba(245, 158, 11, 0.1);
      border-radius: 8px;
      background: rgba(245, 158, 11, 0.08);
      color: #f8fafc;
      padding: 0 12px;
      font: inherit;
      outline: none;
    }
    .browser-filter-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }
    .browser-filter-grid .browser-select:last-child {
      grid-column: auto;
    }
    .browser-select {
      width: 100%;
      min-height: 40px;
      border: 1px solid rgba(148, 163, 184, 0.18);
      border-radius: 8px;
      background: rgba(3, 7, 18, 0.72);
      color: #f8fafc;
      padding: 0 10px;
      font: inherit;
      outline: none;
    }
    .browser-select option {
      color: #0f172a;
    }
    .browser-footer {
      display: flex;
      justify-content: center;
      padding-top: 12px;
    }
    .browser-load-more {
      min-height: 38px;
      border: 1px solid rgba(34, 211, 238, 0.24);
      border-radius: 8px;
      background: rgba(14, 23, 38, 0.84);
      color: #67e8f9;
      padding: 0 14px;
      font: inherit;
      font-weight: 950;
      cursor: pointer;
    }
    .browser-load-more:hover,
    .browser-load-more:focus {
      border-color: rgba(34, 211, 238, 0.58);
      color: #f8fafc;
    }
    .browser-search:focus,
    .browser-select:focus,
    .slot-float:focus {
      border-color: rgba(34, 211, 238, 0.52);
      box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.08);
    }
    .browser-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
      gap: 10px;
      max-height: 520px;
      overflow: auto;
      padding-right: 4px;
    }
    .browser-card {
      position: relative;
      min-height: 202px;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      grid-template-rows: 92px auto minmax(22px, auto) auto;
      gap: 7px;
      align-items: start;
      border: 1px solid rgba(96, 165, 250, 0.22);
      border-radius: 8px;
      background:
        radial-gradient(circle at 78% 6%, rgba(96, 165, 250, 0.2), transparent 24%),
        radial-gradient(circle at 16% 52%, var(--rarity-glow, rgba(96, 165, 250, 0.2)), transparent 54%),
        linear-gradient(180deg, rgba(42, 64, 88, 0.9), rgba(29, 45, 64, 0.92));
      color: inherit;
      text-align: left;
      padding: 9px;
      cursor: pointer;
      min-width: 0;
      overflow: hidden;
    }
    .browser-card::after,
    .tradeup-slot::after,
    .output-card::after {
      content: "";
      position: absolute;
      top: 10px;
      right: 10px;
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: #60a5fa;
      opacity: 0.9;
      pointer-events: none;
    }
    .browser-card:hover,
    .browser-card:focus {
      border-color: rgba(34, 211, 238, 0.52);
      transform: translateY(-1px);
    }
    .browser-card.selected {
      border-color: rgba(16, 185, 129, 0.74);
      box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.18);
      cursor: default;
    }
    .browser-card > img {
      grid-column: 1 / -1;
      width: 100%;
      height: 92px;
      object-fit: contain;
      border-radius: 7px;
      background: rgba(15, 23, 42, 0.26);
    }
    .browser-card > div {
      min-width: 0;
      grid-column: 1 / -1;
    }
    .browser-card strong {
      display: block;
      color: #f8fafc;
      font-size: 12px;
      line-height: 1.15;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }
    .browser-card span,
    .browser-card em {
      display: block;
      color: #91a3ba;
      font-size: 11px;
      font-style: normal;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .browser-card span {
      color: #c5d1df;
    }
    .browser-card em {
      color: #07111f;
      font-weight: 950;
      grid-column: 1 / -1;
      align-self: start;
      justify-self: start;
      white-space: nowrap;
      font-size: 11px;
      border-radius: 999px;
      background: #f59e0b;
      padding: 4px 7px;
    }
    .tradeup-attachments {
      display: flex;
      gap: 4px;
      align-items: center;
      min-height: 24px;
      overflow: hidden;
    }
    .browser-card > .tradeup-attachments {
      grid-column: 1 / -1;
      min-height: 22px;
    }
    .tradeup-attachment {
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border: 1px solid rgba(148, 163, 184, 0.16);
      border-radius: 4px;
      background: rgba(3, 7, 18, 0.62);
      overflow: hidden;
    }
    .tradeup-attachment img {
      width: 20px;
      height: 20px;
      object-fit: contain;
    }
    .tradeup-attachment.charm {
      border-color: rgba(34, 211, 238, 0.28);
    }
    .tradeup-more {
      color: #9fb0c7;
      font-size: 11px;
      font-weight: 950;
    }
    .slot-picked .tradeup-attachments {
      grid-column: 1 / -1;
      padding-left: 2px;
    }
    .tradeup-slots {
      display: grid;
      grid-template-columns: repeat(5, minmax(118px, 1fr));
      gap: 10px;
      border: 0;
      border-radius: 0;
      background:
        linear-gradient(90deg, rgba(245, 158, 11, 0.22), rgba(34, 211, 238, 0.2)) top / 100% 1px no-repeat;
      padding: 12px 0 0;
    }
    .tradeup-browser-panel .browser-controls {
      background:
        linear-gradient(90deg, rgba(245, 158, 11, 0.22), rgba(34, 211, 238, 0.2)) top / 100% 1px no-repeat;
      padding-top: 12px;
    }
    .tradeup-slot {
      position: relative;
      display: grid;
      grid-template-rows: minmax(112px, 1fr) auto;
      gap: 8px;
      border: 1px solid rgba(96, 165, 250, 0.2);
      border-radius: 10px;
      background:
        radial-gradient(circle at 78% 6%, rgba(96, 165, 250, 0.2), transparent 24%),
        linear-gradient(180deg, rgba(42, 64, 88, 0.9), rgba(29, 45, 64, 0.92));
      padding: 9px;
      min-width: 0;
      overflow: hidden;
    }
    .tradeup-slot [hidden] {
      display: none !important;
    }
    .slot-head {
      position: absolute;
      top: 8px;
      left: 8px;
      right: 8px;
      z-index: 2;
      display: flex;
      justify-content: space-between;
      gap: 8px;
      align-items: center;
      pointer-events: none;
    }
    .slot-head strong {
      min-width: 25px;
      min-height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(148, 163, 184, 0.16);
      border-radius: 999px;
      background: rgba(3, 7, 18, 0.72);
      color: #f8fafc;
      font-size: 11px;
    }
    .slot-rarity {
      color: #93a4bb;
      font-size: 9px;
      font-weight: 900;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 62px;
      text-align: right;
    }
    .slot-float {
      width: 100%;
      min-height: 31px;
      border: 1px solid rgba(148, 163, 184, 0.18);
      border-radius: 6px;
      background: rgba(3, 7, 18, 0.66);
      color: #f8fafc;
      padding: 0 8px;
      font: 700 11px/1.2 "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
      outline: none;
    }
    .slot-empty {
      min-height: 112px;
      display: grid;
      place-items: center;
      border: 1px dashed rgba(148, 163, 184, 0.16);
      border-radius: 8px;
      color: #64748b;
      font-size: 11px;
      font-weight: 900;
      text-align: center;
      padding: 26px 8px 8px;
    }
    .slot-picked > img,
    .output-card img {
      max-width: 100%;
      object-fit: contain;
    }
    .slot-picked strong {
      display: block;
      color: #f8fafc;
      overflow: hidden;
      font-size: 11px;
      line-height: 1.12;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }
    .slot-picked span {
      display: none;
      color: #91a3ba;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 11px;
      margin-top: 2px;
    }
    .slot-picked {
      grid-template-columns: minmax(0, 1fr) 22px;
      gap: 6px;
      align-items: start;
      min-height: 112px;
      border: 1px solid rgba(148, 163, 184, 0.06);
      border-radius: 8px;
      background:
        radial-gradient(circle at 50% 34%, rgba(34, 211, 238, 0.08), transparent 58%),
        rgba(15, 23, 42, 0.22);
      padding: 25px 7px 6px;
      overflow: hidden;
    }
    .slot-picked > img {
      grid-column: 1 / -1;
      width: 100%;
      height: 52px;
    }
    .slot-picked .tradeup-attachment {
      width: 18px;
      height: 18px;
      border-radius: 4px;
    }
    .slot-picked .tradeup-attachment img {
      width: 17px;
      height: 17px;
      object-fit: contain;
    }
    .slot-picked > div:not([data-slot-attachments]) {
      min-width: 0;
    }
    .slot-clear {
      width: 22px;
      height: 22px;
      border: 1px solid rgba(148, 163, 184, 0.2);
      border-radius: 6px;
      background: rgba(15, 23, 42, 0.8);
      color: #94a3b8;
      cursor: pointer;
      position: relative;
      z-index: 3;
    }
    .slot-clear:hover {
      color: #f8fafc;
      border-color: rgba(248, 113, 113, 0.45);
    }
    .tradeup-slot label {
      display: grid;
      gap: 4px;
      color: #91a3ba;
      font-size: 11px;
      font-weight: 900;
      text-transform: uppercase;
    }
    .tradeup-slot label span {
      font-size: 10px;
    }
    .tradeup-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 12px;
    }
    .tradeup-button {
      min-height: 40px;
      border: 1px solid rgba(148, 163, 184, 0.18);
      background: rgba(15, 23, 42, 0.78);
      color: #dbeafe;
      padding: 0 14px;
      font-weight: 950;
      cursor: pointer;
    }
    .tradeup-button.primary {
      border-color: rgba(245, 158, 11, 0.78);
      background: #f59e0b;
      color: #070b12;
    }
    .tradeup-button.share {
      border-color: rgba(34, 211, 238, 0.42);
      color: #bff7ff;
    }
    .tradeup-mode {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      align-items: center;
      border: 1px solid rgba(148, 163, 184, 0.14);
      border-radius: 8px;
      background: rgba(15, 23, 42, 0.58);
      padding: 8px 10px;
      margin-bottom: 10px;
    }
    .tradeup-mode strong {
      display: block;
      color: #f8fafc;
      font-size: 14px;
    }
    .tradeup-mode span {
      display: block;
      color: #9fb0c7;
      font-size: 11px;
      margin-top: 2px;
      max-width: 260px;
    }
    .mode-toggle {
      flex: 0 0 auto;
      display: inline-grid;
      grid-template-columns: auto auto;
      gap: 0;
      border: 1px solid rgba(148, 163, 184, 0.16);
      border-radius: 999px;
      background: rgba(3, 7, 18, 0.6);
      padding: 3px;
    }
    .mode-toggle button {
      min-height: 30px;
      border: 0;
      border-radius: 999px;
      background: transparent;
      color: #91a3ba;
      padding: 0 10px;
      font-weight: 950;
      cursor: pointer;
    }
    .mode-toggle button.active {
      background: linear-gradient(90deg, #f59e0b, #ec4899, #2563eb);
      color: #fff;
    }
    .mode-toggle button:disabled {
      cursor: not-allowed;
      opacity: 0.45;
    }
    .summary-stack {
      display: grid;
      gap: 12px;
      position: sticky;
      top: 82px;
    }
    .tradeup-metrics {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }
    .tradeup-metric {
      border: 1px solid rgba(96, 165, 250, 0.16);
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(42, 64, 88, 0.74), rgba(18, 31, 47, 0.74));
      padding: 12px;
    }
    .tradeup-metric span {
      display: block;
      color: #91a3ba;
      font-size: 11px;
      font-weight: 950;
      text-transform: uppercase;
    }
    .tradeup-metric strong {
      display: block;
      color: #f8fafc;
      font-size: 20px;
      margin-top: 4px;
    }
    .collection-odds,
    .output-grid {
      display: grid;
      gap: 8px;
    }
    .collection-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 10px;
      align-items: center;
      border-bottom: 1px solid rgba(148, 163, 184, 0.09);
      padding: 9px 0;
    }
    .collection-row:last-child {
      border-bottom: 0;
    }
    .collection-row strong {
      color: #f8fafc;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .collection-row span {
      color: #9fb0c7;
      font-size: 12px;
    }
    .output-grid {
      grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
      max-height: 520px;
      overflow: auto;
      padding-right: 4px;
    }
    .output-card {
      position: relative;
      display: grid;
      grid-template-columns: 86px minmax(0, 1fr);
      grid-template-rows: auto auto;
      gap: 8px 10px;
      align-items: center;
      border: 1px solid rgba(96, 165, 250, 0.22);
      border-radius: 10px;
      background:
        radial-gradient(circle at 76% 10%, rgba(96, 165, 250, 0.2), transparent 26%),
        radial-gradient(circle at 50% 44%, var(--rarity-glow, rgba(96, 165, 250, 0.2)), transparent 58%),
        linear-gradient(180deg, rgba(42, 64, 88, 0.9), rgba(29, 45, 64, 0.92));
      padding: 11px;
      min-width: 0;
      overflow: hidden;
    }
    .output-card header {
      display: grid;
      gap: 2px;
      min-width: 0;
    }
    .output-card header strong {
      color: #f8fafc;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .output-card header span,
    .output-card footer span {
      color: #9fb0c7;
      font-size: 12px;
    }
    .output-card img {
      grid-row: 1 / 3;
      width: 86px;
      height: 70px;
    }
    .output-card footer {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 8px;
      align-items: end;
    }
    .output-card em {
      color: #22d3ee;
      font-style: normal;
      font-weight: 950;
    }
    .tradeup-note {
      border: 1px solid rgba(245, 158, 11, 0.24);
      border-radius: 8px;
      background: rgba(245, 158, 11, 0.08);
      color: #f8d98a;
      padding: 12px;
      line-height: 1.5;
      font-size: 13px;
    }
    .tradeup-error {
      border-color: rgba(248, 113, 113, 0.28);
      background: rgba(127, 29, 29, 0.18);
      color: #fecaca;
    }
    @media (max-width: 1480px) {
      .tradeup-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .tradeup-results-panel {
        grid-template-columns: minmax(240px, 0.45fr) minmax(240px, 0.45fr) minmax(480px, 1.1fr);
      }
      .tradeup-slots {
        grid-template-columns: repeat(5, minmax(105px, 1fr));
      }
    }
    @media (max-width: 1240px) {
      .tradeup-layout {
        grid-template-columns: 1fr;
      }
      .tradeup-results-panel {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .tradeup-results-panel .panel-section:last-child {
        grid-column: 1 / -1;
      }
    }
    @media (max-width: 980px) {
      .tradeup-layout {
        grid-template-columns: 1fr;
      }
      .tradeup-hero {
        grid-template-columns: 1fr;
      }
      .summary-stack,
      .tradeup-results-panel {
        grid-column: auto;
        grid-template-columns: 1fr;
        position: static;
      }
      .tradeup-results-panel .panel-section:last-child {
        grid-column: auto;
      }
      .tradeup-hero-actions {
        justify-content: flex-start;
      }
    }
    @media (max-width: 640px) {
      .tradeup-hero {
        padding: 20px 16px;
      }
      .tradeup-slots {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .tradeup-metrics {
        grid-template-columns: 1fr;
      }
      .tradeup-mode {
        align-items: stretch;
        flex-direction: column;
      }
      .mode-toggle {
        width: 100%;
      }
      .mode-toggle button {
        width: 100%;
      }
      .browser-filter-grid {
        grid-template-columns: 1fr;
      }
      .browser-grid {
        grid-template-columns: 1fr;
      }
      .output-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .output-card {
        grid-template-columns: 74px minmax(0, 1fr);
        padding: 9px;
      }
      .output-card img {
        width: 74px;
        height: 82px;
      }
      .output-card header strong {
        font-size: 13px;
      }
      .output-card footer {
        grid-template-columns: 1fr;
      }
    }