/* Desktop studio layout (Canva-style rail + one tool panel + large canvas).
   Everything is scoped to html.du-tabs and min-width 1024px, so phones and
   small tablets keep the stacked layout they have today. */

.du-rail, .du-step { display: none; }

@media (min-width: 1024px) {
  html.du-tabs #studio.studio,
  html.du-tabs body.embed #studio.studio {
    display: grid !important;
    grid-template-columns: 84px clamp(316px, 27vw, 380px) minmax(0, 1fr) !important;
    grid-template-areas: "rail panel stage" !important;
    gap: 0 !important;
    max-width: 1680px !important;
    margin: 0 auto !important;
    padding: 14px clamp(14px, 1.6vw, 24px) 18px !important;
    height: calc(100vh - var(--du-top, 68px));
    height: calc(100dvh - var(--du-top, 68px));
    min-height: 560px;
    align-items: stretch !important;
    box-sizing: border-box;
  }

  /* ---- icon rail ---- */
  html.du-tabs .du-rail {
    grid-area: rail;
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 10px 8px;
    background: #0e0e0f;
    border: 1px solid var(--line); border-right: 0;
    border-radius: 22px 0 0 22px;
    overflow-y: auto;
  }
  .du-rail-btn {
    position: relative;
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 8px 2px 9px;
    border: 0; border-radius: 14px;
    background: transparent; color: var(--muted);
    font: 600 11px/1.15 var(--font); letter-spacing: 0.01em;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
  }
  .du-rail-ico {
    position: relative;
    width: 44px; height: 38px; display: grid; place-items: center;
    border-radius: 12px;
    transition: background 0.2s, color 0.2s, transform 0.2s var(--spring);
  }
  .du-rail-ico svg { width: 23px; height: 23px; stroke-width: 1.7; }
  .du-rail-btn:hover { color: var(--text); }
  .du-rail-btn:hover .du-rail-ico { background: rgba(255, 255, 255, 0.06); }
  .du-rail-btn:active .du-rail-ico { transform: scale(0.94); }
  .du-rail-btn[aria-selected='true'] { color: var(--text); }
  .du-rail-btn[aria-selected='true'] .du-rail-ico { background: var(--accent); color: #121212; }
  .du-rail-btn:focus-visible { outline: none; }
  .du-rail-btn:focus-visible .du-rail-ico { outline: 2px solid var(--accent); outline-offset: 2px; }
  .du-rail-dot {
    position: absolute; top: 3px; right: 5px;
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent); border: 2px solid #0e0e0f;
    transform: scale(0); transition: transform 0.3s var(--spring);
  }
  .du-rail-btn.du-has .du-rail-dot { transform: scale(1); }
  .du-rail-btn[aria-selected='true'].du-has .du-rail-dot { background: #121212; border-color: var(--accent); }

  /* ---- tool panel: one card at a time ---- */
  html.du-tabs #studio .panel {
    grid-area: panel;
    display: flex !important; flex-direction: column;
    min-height: 0; overflow-y: auto; overscroll-behavior: contain;
    padding: 0 !important; gap: 0 !important;
    background: var(--card, #1a1a1c);
    border: 1px solid var(--line);
    border-radius: 0 22px 22px 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.16) transparent;
  }
  html.du-tabs #studio .panel > .card { display: none !important; }
  html.du-tabs #studio .panel > .card.du-active {
    display: grid !important;
    flex: 1 0 auto; align-content: start;
    gap: 14px;
    padding: 20px 20px 18px;
    background: none; border: 0; border-radius: 0; box-shadow: none;
  }
  html.du-tabs #studio .panel > .card > .card-head { min-height: 0; padding-bottom: 2px; }
  html.du-tabs #studio .panel > .card > .card-head .num { display: none; }
  html.du-tabs #studio .panel > .card > .card-head h2 { font-size: 22px; letter-spacing: 0.02em; line-height: 1.1; }

  /* sticky Back / Next */
  html.du-tabs .du-step {
    position: sticky; bottom: 0; z-index: 2;
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    margin-top: auto;
    padding: 12px 14px 14px;
    background: var(--card, #1a1a1c);
    border-top: 1px solid var(--line);
    box-shadow: 0 -14px 24px -12px rgba(0, 0, 0, 0.55);
  }
  .du-step button {
    display: inline-flex; align-items: center; gap: 6px;
    height: 38px; padding: 0 14px;
    border-radius: 999px; cursor: pointer;
    font: 600 13.5px/1 var(--font); white-space: nowrap;
  }
  .du-step button svg { width: 16px; height: 16px; }
  .du-step-back { width: 38px; padding: 0; justify-content: center; background: transparent; color: var(--muted); border: 1px solid var(--line-2, rgba(255,255,255,.14)); }
  .du-step-back:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.3); }
  .du-step-next { margin-left: auto; background: var(--accent); color: #121212; border: 0; }
  .du-step-next:hover { filter: brightness(1.06); }
  .du-step-count { display: flex; align-items: center; gap: 5px; }
  .du-step-count i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); transition: width 0.25s var(--ease), background 0.25s; }
  .du-step-count i.done { background: rgba(240, 232, 123, 0.5); }
  .du-step-count i.on { width: 18px; border-radius: 3px; background: var(--accent); }
  .du-step-back[hidden] + .du-step-count { margin-left: 4px; }
  .du-step-next[hidden] { display: none; }
  .du-step:has(.du-step-next[hidden]) .du-step-count { margin-right: 4px; }

  /* ---- canvas column fills the rest ---- */
  html.du-tabs #studio .stage-col,
  html.du-tabs body.embed #studio .stage-col {
    grid-area: stage;
    position: relative !important; top: 0 !important;
    display: flex; flex-direction: column;
    min-width: 0; min-height: 0;
    margin-left: clamp(14px, 1.4vw, 22px);
  }
  html.du-tabs #studio .stage-head { flex: none; margin-bottom: 10px !important; }
  html.du-tabs #studio .stage,
  html.du-tabs body.embed #studio .stage {
    flex: 1 1 auto;
    height: auto !important; min-height: 0 !important;
    aspect-ratio: auto !important;
  }
  html.du-tabs #studio .stage-foot { flex: none; margin-top: 10px; }
  html.du-tabs body.embed #studio .view-tab { height: auto !important; }
  html.du-tabs #studio .stage-foot { justify-content: center; }

  /* hat list: stacked tiles (thumb over name) so names never clip */
  html.du-tabs #studio .panel .product-card { flex-direction: column; align-items: center; justify-content: flex-start; gap: 6px; padding: 10px 8px 11px; text-align: center; }
  html.du-tabs #studio .panel .product-text { justify-items: center; }
  html.du-tabs #studio .panel .product-text strong { font-size: 13px; line-height: 1.2; }

  /* the studio heading is redundant next to the rail; keep it compact */
  html.du-tabs #studio .stage-head h1 { font-size: clamp(24px, 2vw, 32px) !important; }
  html.du-tabs #studio .demo-link { display: none; }
}

/* very short desktop windows: let the page scroll rather than squash the hat */
@media (min-width: 1024px) and (max-height: 600px) {
  html.du-tabs #studio.studio { height: auto; min-height: 0; }
  html.du-tabs #studio .stage { height: 420px !important; flex: none; }
  html.du-tabs #studio .panel { max-height: 560px; }
}

@media (prefers-reduced-motion: reduce) {
  .du-rail-btn, .du-rail-ico, .du-rail-dot { transition: none; }
}

/* Rail: tab group plus the "All colors" lineup shortcut */
@media (min-width: 1024px) {
  .du-rail-tabs { display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
  .du-rail-sep { display: block; height: 1px; margin: 6px 10px; background: var(--line); }
  .du-rail-swatch { grid-template-columns: 10px 10px; grid-template-rows: 10px 10px; gap: 3px; place-content: center; }
  .du-rail-swatch i { display: block; width: 10px; height: 10px; border-radius: 3px; border: 1px solid rgba(255, 255, 255, 0.25); }
  .du-rail-swatch i:nth-child(1) { background: #f0e87b; }
  .du-rail-swatch i:nth-child(2) { background: #1d2a44; }
  .du-rail-swatch i:nth-child(3) { background: #b5562f; }
  .du-rail-swatch i:nth-child(4) { background: #d8d2c4; }
  .du-rail-action:hover .du-rail-swatch i { transform: scale(1.08); }
  .du-rail-swatch i { transition: transform 0.2s var(--spring); }
}
@media (prefers-reduced-motion: reduce) { .du-rail-swatch i { transition: none; } }

/* ---------- labels: long on desktop, short on phones ---------- */
.du-rail-short, .du-short, .du-ask { display: none; }

/* ---------- Phones and tablets: one step at a time ----------
   Hat on top, a 5-step bar under it (Hat, Logo, Style, Size, Save), then only
   the current step's tools, with a big Next button. No long tool scroll. */
@media (max-width: 1023px) {
  html.du-tabs #studio.studio,
  html.du-tabs body.embed #studio.studio { display: flex !important; flex-direction: column !important; gap: 0 !important; }
  html.du-tabs #studio .stage-col { order: 1; }

  html.du-tabs .du-rail {
    order: 2; display: block;
    width: 100% !important; align-self: stretch; box-sizing: border-box;
    margin: 14px 0 0; padding: 8px;
    background: #0e0e0f;
    border: 1px solid var(--line); border-bottom: 0;
    border-radius: 22px 22px 0 0;
    scroll-margin-top: 8px;
  }
  html.du-tabs .du-rail-tabs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
  html.du-tabs .du-rail-sep, html.du-tabs .du-rail-action { display: none !important; }
  html.du-tabs .du-rail-btn {
    position: relative;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 6px 0 7px; border: 0; border-radius: 14px;
    background: transparent; color: var(--muted);
    font: 700 12.5px/1.1 var(--font); cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  html.du-tabs .du-rail-ico { position: relative; width: 46px; height: 40px; display: grid; place-items: center; border-radius: 13px; }
  html.du-tabs .du-rail-ico svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  html.du-tabs .du-rail-btn[aria-selected='true'] { color: var(--text); }
  html.du-tabs .du-rail-btn[aria-selected='true'] .du-rail-ico { background: var(--accent); color: #121212; }
  html.du-tabs .du-rail-btn:focus-visible { outline: none; }
  html.du-tabs .du-rail-btn:focus-visible .du-rail-ico { outline: 2px solid var(--accent); outline-offset: 2px; }
  html.du-tabs .du-rail-dot { position: absolute; top: 2px; right: 4px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); border: 2px solid #0e0e0f; transform: scale(0); }
  html.du-tabs .du-rail-btn.du-has .du-rail-dot { transform: scale(1); }
  html.du-tabs .du-rail-label { display: none; }
  html.du-tabs .du-rail-short { display: block; }

  html.du-tabs #studio .panel,
  html.du-tabs body.embed #studio .panel {
    order: 3;
    width: 100% !important; align-self: stretch; box-sizing: border-box;
    display: flex !important; flex-direction: column;
    padding: 0 !important; gap: 0 !important; margin: 0 !important;
    max-height: none !important; overflow: visible !important;
    background: var(--card, #1a1a1c);
    border: 1px solid var(--line); border-top: 1px solid var(--line);
    border-radius: 0 0 22px 22px;
  }
  html.du-tabs #studio .panel > .card { display: none !important; }
  html.du-tabs #studio .panel > .card.du-active {
    display: grid !important; align-content: start; gap: 14px;
    padding: 16px 16px 18px !important;
    background: none !important; border: 0 !important; border-radius: 0 !important; box-shadow: none !important;
    margin: 0 !important;
  }
  html.du-tabs #studio .panel > .card > .card-head h2, html.du-tabs #studio .panel > .card > .card-head .num { display: none; }
  html.du-tabs #studio .panel > .card > .card-head { min-height: 0; padding: 0; margin: 0; }
  html.du-tabs #studio .panel > .card > .card-head:not(:has(> :not(h2):not(.num))) { display: none; }
  html.du-tabs .du-ask { display: block; margin: 0; font: 700 22px/1.15 var(--display, Oswald), sans-serif; text-transform: uppercase; letter-spacing: 0.01em; color: var(--text); }
  html.du-tabs .du-ask span { display: block; margin-bottom: 6px; font: 600 12px/1.2 var(--mono, 'DM Mono'), ui-monospace, monospace; letter-spacing: 0.16em; color: var(--accent); }

  html.du-tabs .du-step {
    display: flex; align-items: center; gap: 10px;
    position: static; margin: 0;
    padding: 12px 14px 16px;
    border-top: 1px solid var(--line);
    background: transparent; box-shadow: none;
  }
  html.du-tabs .du-step button { height: 54px; border-radius: 999px; font: 800 16px/1 var(--font); cursor: pointer; }
  html.du-tabs .du-step-back { width: 54px; padding: 0; justify-content: center; display: inline-flex; align-items: center; background: transparent; color: var(--text); border: 1px solid var(--line-2, rgba(255,255,255,.18)); }
  html.du-tabs .du-step-back[hidden] { display: none; }
  html.du-tabs .du-step-next { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: #121212; border: 0; }
  html.du-tabs .du-step-next svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2.2; }
  html.du-tabs .du-step-next[hidden] { display: none; }
  html.du-tabs .du-step-count { display: none; }
  html.du-tabs .du-long { display: none; }
  html.du-tabs .du-short { display: inline; }
}
@media (prefers-reduced-motion: reduce) { html.du-tabs .du-rail-btn { transition: none; } }