.gm-mixer {
    --gm-yellow: #f8bd00;
    --gm-yellow-2: #ffca28;
    --gm-graphite: #3e3a42;
    --gm-graphite-deep: #242228;
    --gm-ink: #1f1e22;
    --gm-muted: #706d74;
    --gm-line: #dedce0;
    --gm-paper: #f5f4f2;
    --gm-white: #fff;
    --gm-danger: #c53b32;
    --gm-success: #18794e;
    --gm-radius: 4px;
    --gm-shadow: 0 18px 46px rgba(37, 34, 41, .12);
    position: relative;
    left: 50%;
    width: min(2400px, calc(100vw - 32px));
    max-width: none;
    margin: 28px 0 64px;
    color: var(--gm-ink);
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.45;
    isolation: isolate;
    transform: translateX(-50%);
  }

  .gm-mixer *,
  .gm-mixer *::before,
  .gm-mixer *::after {
    box-sizing: border-box;
  }

  .gm-mixer button,
  .gm-mixer input {
    font: inherit;
  }

  .gm-mixer button {
    cursor: pointer;
  }

  .gm-skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 10000;
    padding: 10px 14px;
    color: #fff;
    background: var(--gm-graphite-deep);
    transform: translateY(-180%);
  }

  .gm-skip-link:focus {
    transform: translateY(0);
  }

  .gm-intro {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: end;
    margin-bottom: 18px;
    padding: 30px 34px;
    color: #fff;
    background: var(--gm-graphite);
    border-radius: var(--gm-radius);
    box-shadow: var(--gm-shadow);
  }

  .gm-intro::before,
  .gm-intro::after {
    content: "";
    position: absolute;
    pointer-events: none;
    border: 2px solid rgba(248, 189, 0, .55);
    border-radius: 50%;
  }

  .gm-intro::before {
    width: 430px;
    height: 430px;
    right: -155px;
    top: -278px;
  }

  .gm-intro::after {
    width: 230px;
    height: 230px;
    right: 40px;
    top: -126px;
  }

  .gm-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 8px;
    color: var(--gm-yellow-2);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
  }

  .gm-kicker::before {
    content: "";
    width: 34px;
    height: 3px;
    background: var(--gm-yellow);
  }

  .gm-intro h1 {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0;
    color: #fff;
    font-size: clamp(30px, 3vw, 52px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -.035em;
  }

  .gm-intro-copy {
    position: relative;
    z-index: 1;
    max-width: 650px;
    margin: 12px 0 0;
    color: rgba(255,255,255,.76);
  }

  .gm-intro-actions {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 10px;
  }

  .gm-icon-button,
  .gm-button {
    min-height: 46px;
    border: 0;
    border-radius: 10px;
    transition: transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
  }

  .gm-icon-button {
    display: inline-grid;
    width: 46px;
    place-items: center;
    color: var(--gm-ink);
    background: var(--gm-yellow);
    font-size: 19px;
    font-weight: 800;
  }

  .gm-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    color: var(--gm-ink);
    background: var(--gm-yellow);
    font-weight: 800;
  }

  .gm-button:hover,
  .gm-icon-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(248,189,0,.22);
  }

  .gm-button--dark {
    color: #fff;
    background: var(--gm-graphite-deep);
  }

  .gm-button--ghost {
    color: var(--gm-ink);
    background: #fff;
    border: 1px solid var(--gm-line);
  }

  .gm-button--small {
    min-height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }

  .gm-button:disabled {
    cursor: not-allowed;
    opacity: .48;
    transform: none;
    box-shadow: none;
  }

  .gm-workbench {
    display: grid;
    grid-template-columns: minmax(330px, .83fr) minmax(470px, 1.22fr) minmax(350px, .95fr);
    gap: 18px;
    align-items: start;
  }

  .gm-panel {
    min-width: 0;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--gm-line);
    border-radius: var(--gm-radius);
    box-shadow: var(--gm-shadow);
  }

  .gm-panel-head {
    position: relative;
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 17px 20px;
    color: #fff;
    background: var(--gm-graphite);
    border-bottom: 4px solid var(--gm-yellow);
  }

  .gm-panel-head::after {
    content: "";
    position: absolute;
    right: -34px;
    bottom: -48px;
    width: 104px;
    height: 104px;
    border: 1px solid rgba(248,189,0,.28);
    border-radius: 50%;
  }

  .gm-panel-title {
    position: relative;
    z-index: 1;
    margin: 0;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.02em;
  }

  .gm-panel-subtitle {
    position: relative;
    z-index: 1;
    color: rgba(255,255,255,.64);
    font-size: 12px;
  }

  .gm-catalog-panel {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
  }

  .gm-tabs {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--gm-graphite-deep);
  }

  .gm-tab {
    min-height: 58px;
    padding: 8px 10px;
    color: rgba(255,255,255,.72);
    background: transparent;
    border: 0;
    border-right: 1px solid rgba(255,255,255,.13);
    font-weight: 800;
    letter-spacing: .04em;
  }

  .gm-tab:last-child {
    border-right: 0;
  }

  .gm-tab[aria-selected="true"] {
    color: var(--gm-ink);
    background: var(--gm-yellow);
  }

  .gm-search-wrap {
    padding: 14px 14px 10px;
    background: #fff;
  }

  .gm-search {
    width: 100%;
    height: 48px;
    padding: 0 44px 0 15px;
    color: var(--gm-ink);
    background: var(--gm-paper);
    border: 1px solid transparent;
    border-radius: 10px;
    outline: none;
  }

  .gm-search:focus {
    border-color: var(--gm-yellow);
    box-shadow: 0 0 0 3px rgba(248,189,0,.2);
  }

  .gm-search-shell {
    position: relative;
  }

  .gm-search-shell::after {
    content: "⌕";
    position: absolute;
    right: 15px;
    top: 50%;
    color: var(--gm-muted);
    font-size: 24px;
    transform: translateY(-54%);
    pointer-events: none;
  }

  .gm-catalog-scroll {
    min-height: 0;
    overflow: auto;
    padding: 4px 14px 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--gm-yellow) #eceaec;
  }

  .gm-color-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
  }

  .gm-color-card {
    position: relative;
    min-width: 0;
    overflow: hidden;
    padding: 0;
    text-align: left;
    background: var(--gm-paper);
    border: 2px solid transparent;
    border-radius: 10px;
    transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
  }

  .gm-color-card:hover {
    transform: translateY(-2px);
    border-color: #bbb8bd;
  }

  .gm-color-card.is-selected {
    border-color: var(--gm-yellow);
    box-shadow: 0 0 0 2px rgba(248,189,0,.2);
  }

  .gm-color-card.is-selected::after {
    content: "✓";
    position: absolute;
    top: 7px;
    right: 7px;
    display: grid;
    width: 25px;
    height: 25px;
    place-items: center;
    color: var(--gm-ink);
    background: var(--gm-yellow);
    border-radius: 50%;
    font-weight: 900;
  }

  .gm-color-image {
    display: block;
    width: 100%;
    aspect-ratio: 1.42;
    object-fit: cover;
    background: var(--gm-card-color, #ccc);
  }

  .gm-color-meta {
    position: absolute;
    left: 6px;
    bottom: 6px;
    z-index: 1;
    display: block;
    max-width: calc(100% - 12px);
    min-height: 0;
    padding: 4px 7px;
    background: #fff;
    box-shadow: 0 1px 4px rgba(39,36,42,.14);
  }

  .gm-color-code {
    overflow: hidden;
    color: var(--gm-ink);
    font-size: 14px;
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .gm-empty-list {
    grid-column: 1 / -1;
    padding: 32px 16px;
    color: var(--gm-muted);
    text-align: center;
    background: var(--gm-paper);
    border-radius: 10px;
  }

  .gm-preview-body {
    padding: 14px;
    background: var(--gm-paper);
  }

  .gm-preview-panel {
    container-type: inline-size;
  }

  .gm-canvas-shell {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 1383 / 2048;
    min-height: 0;
    background: var(--gm-graphite-deep);
    border-radius: 12px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
  }

  .gm-canvas-shell::before,
  .gm-canvas-shell::after {
    content: "";
    position: absolute;
    z-index: 2;
    pointer-events: none;
  }

  .gm-canvas-shell::before {
    inset: 14px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 8px;
  }

  .gm-canvas-shell::after {
    width: 170px;
    height: 170px;
    right: -70px;
    bottom: -70px;
    border: 2px solid rgba(248,189,0,.55);
    border-radius: 50%;
  }

  #gmMixerCanvas {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .gm-canvas-empty {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: grid;
    place-items: center;
    padding: clamp(20px, 5cqi, 52px);
    color: var(--gm-ink);
    text-align: center;
    pointer-events: none;
  }

  .gm-canvas-empty[hidden] {
    display: none;
  }

  .gm-empty-card {
    width: min(88%, 720px);
    padding: clamp(20px, 4.5cqi, 42px);
    background: var(--gm-yellow);
    border: 10px solid rgba(255,255,255,.14);
    box-shadow: 0 10px 30px rgba(36,34,40,.22);
  }

  .gm-empty-card strong,
  .gm-empty-card span {
    display: block;
  }

  .gm-empty-card strong {
    font-size: clamp(30px, 6cqi, 54px);
    font-weight: 900;
    line-height: 1.05;
  }

  .gm-empty-card span {
    margin-top: clamp(12px, 2.2cqi, 22px);
    font-size: clamp(23px, 4.6cqi, 40px);
    font-weight: 800;
    line-height: 1.35;
  }

  .gm-preview-toolbar {
    display: grid;
    grid-template-columns: minmax(145px, 1fr) repeat(3, max-content);
    gap: 8px;
    margin-top: 12px;
  }

  .gm-preview-toolbar .gm-button:first-child {
    margin: 0;
  }

  .gm-preview-toolbar .gm-button {
    min-width: 0;
    padding-inline: 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  .gm-total-strip {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    margin: 0 0 22px;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid var(--gm-line);
    border-radius: 10px;
  }

  .gm-total-strip.is-attention {
    border-color: var(--gm-yellow);
    animation:
      gm-balance-jolt .62s cubic-bezier(.36,.07,.19,.97) 1,
      gm-balance-attention 2.2s ease-in-out .62s infinite;
  }

  .gm-total-strip.is-attention .gm-button {
    animation: gm-balance-button 2.2s ease-in-out .62s infinite;
  }

  .gm-total-strip[hidden] {
    display: none;
  }

  @keyframes gm-balance-jolt {
    0%, 100% { transform: translateX(0); }
    16% { transform: translateX(-9px); }
    32% { transform: translateX(9px); }
    48% { transform: translateX(-6px); }
    64% { transform: translateX(6px); }
    80% { transform: translateX(-3px); }
  }

  @keyframes gm-balance-attention {
    0%, 100% { box-shadow: 0 0 0 0 rgba(248,189,0,0); }
    50% { box-shadow: 0 0 0 5px rgba(248,189,0,.22); }
  }

  @keyframes gm-balance-button {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
  }

  .gm-total-badge {
    min-width: 66px;
    color: var(--gm-success);
    font-size: 22px;
    font-weight: 900;
  }

  .gm-total-strip.is-under .gm-total-badge,
  .gm-total-strip.is-over .gm-total-badge {
    color: var(--gm-danger);
  }

  .gm-total-note {
    color: var(--gm-muted);
    font-size: 13px;
  }

  .gm-calc-body {
    display: flex;
    min-height: 0;
    flex: 1 1 auto;
    flex-direction: column;
    overflow: hidden;
    padding: 18px;
  }

  .gm-calc-panel {
    display: flex;
    container-type: inline-size;
    flex-direction: column;
  }

  .gm-calc-main {
    flex: 0 0 auto;
  }

  .gm-calc-summary {
    display: flex;
    min-height: 0;
    flex: 1 1 auto;
    flex-direction: column;
  }

  .gm-section-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -.015em;
  }

  .gm-selected-list {
    display: grid;
    gap: 8px;
    max-height: 248px;
    margin-bottom: 8px;
    overflow: auto;
  }

  .gm-selected-empty {
    padding: 24px 14px;
    color: var(--gm-muted);
    text-align: center;
    background: var(--gm-paper);
    border: 1px dashed #c9c6cb;
    border-radius: 10px;
  }

  .gm-selected-item {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) 44px;
    grid-template-rows: minmax(44px, auto) 44px;
    grid-template-areas:
      "thumb name remove"
      "thumb percent percent";
    min-height: 88px;
    overflow: hidden;
    background: var(--gm-paper);
    border-radius: 10px;
  }

  .gm-selected-thumb {
    grid-area: thumb;
    width: 64px;
    height: 100%;
    min-height: 88px;
    align-self: stretch;
    object-fit: cover;
    background: var(--gm-swatch);
    border-radius: 8px;
  }

  .gm-selected-name {
    grid-area: name;
    min-width: 0;
    align-self: center;
    padding: 8px 4px 2px 12px;
  }

  .gm-selected-name strong,
  .gm-selected-name span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .gm-selected-name strong {
    font-size: 14px;
  }

  .gm-selected-name span {
    color: var(--gm-muted);
    font-size: 11px;
  }

  .gm-percent-shell {
    position: relative;
    grid-area: percent;
    width: auto;
    margin: 0 8px 8px 12px;
  }

  .gm-percent-input {
    width: 100%;
    height: 40px;
    padding: 0 25px 0 8px;
    text-align: right;
    background: #fff;
    border: 1px solid #c7c4c9;
    border-radius: 8px;
  }

  .gm-percent-shell::after {
    content: "%";
    position: absolute;
    right: 8px;
    top: 50%;
    color: var(--gm-muted);
    font-size: 12px;
    transform: translateY(-50%);
    pointer-events: none;
  }

  .gm-remove {
    grid-area: remove;
    align-self: start;
    display: grid;
    width: 38px;
    height: 38px;
    margin: 6px 6px 0 0;
    place-items: center;
    color: var(--gm-muted);
    background: #fff;
    border: 1px solid var(--gm-line);
    border-radius: 8px;
    font-size: 20px;
  }

  .gm-remove:hover {
    color: #fff;
    background: var(--gm-danger);
  }

  .gm-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .gm-field {
    display: grid;
    gap: 6px;
  }

  .gm-field span,
  .gm-radio-title {
    color: var(--gm-ink);
    font-size: 13px;
    font-weight: 800;
  }

  .gm-input {
    width: 100%;
    height: 48px;
    padding: 0 13px;
    color: var(--gm-ink);
    background: #fff;
    border: 1px solid #bbb8bd;
    border-radius: 9px;
    outline: none;
  }

  .gm-input:focus,
  .gm-percent-input:focus {
    border-color: var(--gm-yellow);
    box-shadow: 0 0 0 3px rgba(248,189,0,.2);
    outline: none;
  }

  .gm-radio-fieldset {
    min-width: 0;
    margin: 14px 0 0;
    padding: 0;
    border: 0;
  }

  .gm-radio-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 8px;
  }

  .gm-radio-card {
    position: relative;
    display: flex;
    min-height: 52px;
    align-items: center;
    gap: 9px;
    padding: 9px 11px;
    background: var(--gm-paper);
    border: 1px solid var(--gm-line);
    border-radius: 9px;
    cursor: pointer;
  }

  .gm-radio-card:has(input:checked) {
    background: #fff7d8;
    border-color: var(--gm-yellow);
  }

  .gm-radio-card input {
    width: 18px;
    height: 18px;
    accent-color: var(--gm-yellow);
  }

  .gm-radio-card strong,
  .gm-radio-card small {
    display: block;
  }

  .gm-radio-card strong {
    font-size: 13px;
  }

  .gm-radio-card small {
    color: var(--gm-muted);
    font-size: 10px;
  }

  .gm-glue-warning {
    margin-top: 12px;
    padding: 11px 12px;
    color: #5f4700;
    background: #fff4c2;
    border-left: 4px solid var(--gm-yellow);
    border-radius: 7px;
    font-size: 12px;
  }

  .gm-glue-warning[hidden] {
    display: none;
  }

  .gm-results {
    display: flex;
    min-height: 0;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 9px;
    margin-top: 18px;
    padding-top: 17px;
    border-top: 1px solid var(--gm-line);
  }

  .gm-result-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: baseline;
    padding: 10px 0;
    border-bottom: 1px solid #eceaec;
  }

  .gm-result-row span {
    color: var(--gm-muted);
    font-size: 13px;
  }

  .gm-result-row strong {
    text-align: right;
  }

  .gm-breakdown {
    display: grid;
    min-height: 0;
    max-height: 250px;
    flex: 1 1 auto;
    gap: 7px;
    margin-top: 3px;
    padding-right: 4px;
    overflow: auto;
    align-content: start;
    scrollbar-width: thin;
    scrollbar-color: var(--gm-yellow) #eceaec;
  }

  .gm-breakdown-row {
    display: grid;
    grid-template-columns: 12px minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    min-width: 0;
    padding: 6px 7px;
    color: var(--gm-muted);
    background: var(--gm-paper);
    border-radius: 7px;
    font-size: 12px;
  }

  .gm-breakdown-row > span:nth-child(2) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .gm-breakdown-row strong {
    white-space: nowrap;
  }

  .gm-breakdown-dot {
    width: 12px;
    height: 12px;
    background: var(--dot);
    border: 1px solid rgba(0,0,0,.18);
    border-radius: 50%;
  }

  .gm-estimate {
    flex: 0 0 auto;
    margin-top: 16px;
    padding: 16px;
    color: #fff;
    background: var(--gm-graphite);
    border-radius: 12px;
  }

  .gm-estimate span,
  .gm-estimate strong {
    display: block;
  }

  .gm-estimate span {
    color: rgba(255,255,255,.66);
    font-size: 12px;
  }

  .gm-estimate strong {
    margin-top: 3px;
    color: var(--gm-yellow-2);
    font-size: clamp(24px, 2.4vw, 36px);
    line-height: 1.1;
  }

  .gm-estimate small {
    display: block;
    margin-top: 7px;
    color: rgba(255,255,255,.55);
  }

  @container (min-width: 420px) {
    .gm-selected-list,
    .gm-breakdown {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gm-selected-empty {
      grid-column: 1 / -1;
    }

    .gm-selected-item {
      grid-template-columns: 56px minmax(0, 1fr) 36px;
      grid-template-rows: 40px 40px;
      grid-template-areas:
        "thumb name remove"
        "thumb percent percent";
      min-height: 80px;
    }

    .gm-selected-thumb {
      grid-area: thumb;
      width: 56px;
      height: 100%;
      min-height: 80px;
    }

    .gm-selected-name {
      grid-area: name;
      padding: 5px 2px 0 8px;
    }

    .gm-selected-name strong {
      font-size: 12px;
    }

    .gm-percent-shell {
      grid-area: percent;
      width: auto;
      margin: 0 6px 6px 8px;
    }

    .gm-percent-input {
      height: 32px;
    }

    .gm-remove {
      grid-area: remove;
      width: 32px;
      height: 32px;
      min-height: 32px;
      margin: 4px 4px 0 0;
    }
  }

  .gm-help-dialog {
    width: min(560px, calc(100% - 24px));
    padding: 0;
    color: var(--gm-ink);
    background: #fff;
    border: 0;
    border-radius: 16px;
    box-shadow: 0 32px 90px rgba(0,0,0,.35);
  }

  .gm-help-dialog::backdrop {
    background: rgba(31,30,34,.68);
    backdrop-filter: blur(4px);
  }

  .gm-dialog-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    color: #fff;
    background: var(--gm-graphite);
    border-bottom: 4px solid var(--gm-yellow);
  }

  .gm-dialog-head strong {
    font-size: 20px;
  }

  .gm-dialog-close {
    width: 42px;
    height: 42px;
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 9px;
    font-size: 22px;
  }

  .gm-help-steps {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 20px;
    list-style: none;
    counter-reset: gm-step;
  }

  .gm-help-steps li {
    position: relative;
    min-height: 42px;
    padding-left: 56px;
    counter-increment: gm-step;
  }

  .gm-help-steps li::before {
    content: counter(gm-step);
    position: absolute;
    left: 0;
    top: 0;
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    color: var(--gm-ink);
    background: var(--gm-yellow);
    border-radius: 50%;
    font-weight: 900;
  }

  .gm-mixer :focus-visible {
    outline: 3px solid var(--gm-yellow);
    outline-offset: 3px;
  }

  @media (max-width: 1320px) {
    .gm-workbench {
      grid-template-columns: minmax(330px, .82fr) minmax(500px, 1.18fr);
    }

    .gm-calc-panel {
      grid-column: 1 / -1;
    }

    .gm-calc-body {
      display: grid;
      grid-template-columns: minmax(340px, .9fr) minmax(420px, 1.1fr);
      gap: 22px;
    }

    .gm-calc-main,
    .gm-calc-summary {
      min-width: 0;
    }
  }

  @media (max-width: 900px) {
    .gm-mixer {
      width: calc(100vw - 16px);
      margin-top: 16px;
    }

    .gm-intro {
      grid-template-columns: 1fr;
      padding: 24px;
    }

    .gm-intro-actions {
      position: absolute;
      right: 18px;
      top: 18px;
    }

    .gm-workbench {
      grid-template-columns: 1fr;
    }

    .gm-preview-panel,
    .gm-calc-panel {
      grid-column: auto;
    }

    .gm-catalog-panel {
      grid-row: 1;
      grid-template-rows: auto auto minmax(520px, 62vh);
    }

    .gm-preview-panel {
      grid-row: 2;
    }

    .gm-calc-panel {
      grid-row: 3;
    }

    .gm-calc-body {
      display: block;
    }

    .gm-canvas-shell {
      min-height: 0;
      aspect-ratio: 1 / 1;
    }
  }

  @media (max-width: 560px) {
    .gm-mixer {
      width: calc(100vw - 12px);
      margin-bottom: 36px;
      font-size: 15px;
    }

    .gm-intro {
      padding: 20px 18px;
      border-radius: 14px;
    }

    .gm-intro h1 {
      max-width: calc(100% - 48px);
      font-size: 28px;
    }

    .gm-intro-copy {
      font-size: 13px;
    }

    .gm-panel {
      border-radius: 14px;
    }

    .gm-panel-head {
      min-height: 64px;
      padding: 14px 16px;
    }

    .gm-panel-title {
      font-size: 18px;
    }

    .gm-color-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gm-canvas-shell {
      min-height: 0;
      aspect-ratio: 1 / 1;
    }

    .gm-preview-toolbar {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gm-preview-toolbar .gm-button:first-child {
      margin: 0;
    }

    .gm-preview-toolbar .gm-button {
      padding-inline: 10px;
      font-size: 14px;
    }

    .gm-preview-toolbar .gm-button:last-child {
      grid-column: 1 / -1;
    }

    .gm-total-strip {
      grid-template-columns: 1fr auto;
    }

    .gm-total-note {
      grid-column: 1 / -1;
    }

    .gm-form-grid,
    .gm-radio-options {
      grid-template-columns: 1fr;
    }

    .gm-calc-body {
      padding: 15px;
    }
  }

  /* Минимальная геометрия: круглыми остаются только маркеры и фирменные дуги. */
  .gm-intro,
  .gm-panel,
  .gm-canvas-shell,
  .gm-estimate,
  .gm-help-dialog {
    border-radius: 4px;
  }

  .gm-button,
  .gm-search,
  .gm-color-card,
  .gm-empty-list,
  .gm-canvas-shell::before,
  .gm-total-strip,
  .gm-selected-empty,
  .gm-selected-item,
  .gm-selected-thumb,
  .gm-percent-input,
  .gm-remove,
  .gm-input,
  .gm-radio-card,
  .gm-glue-warning,
  .gm-breakdown-row,
  .gm-dialog-close {
    border-radius: 3px;
  }

  @media (prefers-reduced-motion: reduce) {
    .gm-mixer *,
    .gm-mixer *::before,
    .gm-mixer *::after {
      scroll-behavior: auto !important;
      animation-duration: .01ms !important;
      transition-duration: .01ms !important;
    }
  }