:root {
  --blue: #1769ff;
  --blue-dark: #0b4fd4;
  --blue-soft: #eaf2ff;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e9f1;
  --panel: #ffffff;
  --page: #f4f7fb;
  --danger: #bd2828;
  --success: #087a42;
  --radius: 18px;
  --shadow: 0 12px 34px rgba(15, 35, 70, .09);
  font-family: Poppins, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 50% 0, #fff 0, var(--page) 38rem); }
button, input, textarea, select { font: inherit; }
button, label, input[type="range"], input[type="color"] { touch-action: manipulation; }
button { color: inherit; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid rgba(23, 105, 255, .28); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header {
  position: sticky; top: 0; z-index: 50; min-height: 68px; padding: 8px max(18px, env(safe-area-inset-left));
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: rgba(255, 255, 255, .93); border-bottom: 1px solid rgba(221, 228, 240, .8); backdrop-filter: blur(18px);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(15, 35, 70, .08); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--blue); text-decoration: none; font-weight: 800; letter-spacing: -.4px; }
.brand img { width: 49px; height: 49px; object-fit: contain; }
.brand sup { color: var(--blue); font-size: 8px; }
.connection { width: 34px; height: 34px; padding: 0; display: grid; place-items: center; color: var(--muted); border: 0; border-radius: 50%; background: transparent; cursor: pointer; }
.connection:hover { background: #f2f5f9; }
.connection .connection-light { width: 10px; height: 10px; display: block; border-radius: 50%; background: #d39920; box-shadow: 0 0 0 5px #fff4d8; }
.connection.is-online .connection-light { background: #18a05e; box-shadow: 0 0 0 5px #dcf8e9; }
.connection.is-offline .connection-light { background: #d9363e; box-shadow: 0 0 0 5px #ffe3e5; }

.app-shell { width: min(1500px, 100%); margin: 0 auto; padding: 28px clamp(14px, 2.5vw, 38px) 70px; }
.hero { padding: 18px 0 28px; text-align: center; }
.hero .eyebrow { margin: 0 0 8px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: 2.2px; }
.hero h1 { margin: 0; font-size: clamp(32px, 5vw, 56px); line-height: 1; letter-spacing: -2px; }
.hero > p:last-child { max-width: 650px; margin: 14px auto 0; color: var(--muted); font-size: clamp(13px, 2vw, 16px); }

.workspace { display: grid; grid-template-columns: minmax(260px, 320px) minmax(400px, 1fr) minmax(270px, 340px); align-items: start; gap: clamp(13px, 1.6vw, 24px); }
.tools { display: grid; gap: 12px; min-width: 0; }
.tool-card, .preview-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 5px 20px rgba(15, 35, 70, .045); overflow: hidden; }
.tool-card.feature { border-color: #cadcff; }
.tool-heading { width: 100%; min-height: 69px; padding: 12px 13px; display: grid; grid-template-columns: 38px minmax(0, 1fr) auto auto; align-items: center; gap: 10px; text-align: left; border: 0; background: transparent; cursor: pointer; }
.tool-heading:hover { background: #f9fbff; }
.tool-heading .step { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, #2c7cff, var(--blue-dark)); border-radius: 11px; font-size: 12px; font-weight: 800; box-shadow: 0 7px 16px rgba(23, 105, 255, .2); }
.tool-heading > span:nth-child(2) { min-width: 0; display: flex; flex-direction: column; }
.tool-heading b { font-size: 13px; }
.tool-heading small { margin-top: 2px; color: var(--muted); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tool-heading i { color: #98a2b3; font-style: normal; transition: transform .2s ease; }
.tool-card.is-open .tool-heading i { transform: rotate(180deg); }
.tool-heading em { padding: 4px 7px; color: var(--blue); background: var(--blue-soft); border-radius: 999px; font-size: 8px; font-style: normal; font-weight: 800; text-transform: uppercase; }
.tool-content { padding: 2px 14px 16px; border-top: 1px solid #f0f3f8; }
.tool-content[hidden] { display: none; }

.field { margin-top: 13px; }
.field label, .range-field > label { margin-bottom: 7px; display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #475467; font-size: 11px; font-weight: 700; }
.field output { color: var(--blue); font-size: 10px; font-weight: 800; }
input:not([type="range"]):not([type="color"]), textarea, select { width: 100%; min-height: 43px; padding: 10px 12px; color: var(--ink); background: #fff; border: 1px solid #d8e0eb; border-radius: 10px; font-size: 12px; transition: border-color .15s, box-shadow .15s; }
textarea { resize: vertical; }
input:not([type="range"]):not([type="color"]):focus, textarea:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23, 105, 255, .1); }
.two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.size-mode { margin-top: 13px; padding: 4px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: #f1f4f8; border: 1px solid #e0e6ef; border-radius: 11px; }
.size-mode button { min-height: 38px; padding: 7px 8px; color: #526174; background: transparent; border: 0; border-radius: 8px; font-size: 10px; font-weight: 800; cursor: pointer; }
.size-mode button.is-selected { color: var(--blue); background: #fff; box-shadow: 0 3px 10px rgba(15,35,70,.08); }
.size-mode button:disabled { opacity: .45; cursor: not-allowed; }
.size-catalog { margin-top: 2px; }
.size-hint { margin: 10px 0 0; padding: 9px 10px; color: #526174; background: #f7f9fc; border: 1px solid #e4e9f1; border-radius: 9px; font-size: 9px; line-height: 1.45; }
.size-hint.success { color: var(--success); background: #e8f8ef; border-color: #ccefdc; }
.size-hint.warn { color: #9a5b00; background: #fff7e6; border-color: #f2dfb9; }

/* 4.10 · selector profesional de dispositivo: búsqueda rápida + Marca > Serie > Modelo */
.catalog-pick-mode { margin-top: 11px; padding: 4px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: #f4f7fb; border: 1px solid #dfe6ef; border-radius: 11px; }
.catalog-pick-mode button { min-width: 0; min-height: 38px; padding: 7px 8px; color: #5d6b7e; background: transparent; border: 0; border-radius: 8px; font-size: 9px; font-weight: 800; line-height: 1.25; cursor: pointer; }
.catalog-pick-mode button:hover { color: var(--blue); background: #edf4ff; }
.catalog-pick-mode button.is-selected { color: var(--blue-dark); background: #fff; box-shadow: 0 3px 10px rgba(15,35,70,.09); }
.catalog-quick-panel[hidden], .catalog-step-panel[hidden], .catalog-quick-results[hidden], .catalog-quick-selected[hidden], .catalog-search-clear[hidden], #sizeSeriesField[hidden] { display: none !important; }
.catalog-search-wrap { position: relative; }
.catalog-search { padding-right: 44px !important; border-color: #bfd2f3 !important; font-weight: 600; }
.catalog-search-clear { position: absolute; top: 50%; right: 6px; width: 32px; height: 32px; padding: 0; transform: translateY(-50%); display: grid; place-items: center; color: #667085; background: #eef3f9; border: 0; border-radius: 8px; font-size: 20px; line-height: 1; cursor: pointer; }
.catalog-search-clear:hover { color: #101828; background: #e3eaf4; }
.catalog-help { display: block; margin-top: 6px; color: #6b7787; font-size: 8px; line-height: 1.45; }
.catalog-quick-results { max-height: 260px; margin-top: 8px; overflow-y: auto; overscroll-behavior: contain; background: #fff; border: 1px solid #d8e4f4; border-radius: 10px; box-shadow: 0 10px 24px rgba(15,35,70,.10); -webkit-overflow-scrolling: touch; }
.catalog-quick-result { width: 100%; min-height: 44px; padding: 9px 10px; display: flex; align-items: center; justify-content: space-between; gap: 9px; text-align: left; background: #fff; border: 0; border-bottom: 1px solid #edf1f6; cursor: pointer; }
.catalog-quick-result:last-child { border-bottom: 0; }
.catalog-quick-result:hover, .catalog-quick-result:focus-visible { background: #f2f7ff; }
.catalog-quick-result strong { min-width: 0; color: #101828; font-size: 10px; line-height: 1.35; }
.catalog-quick-result span { flex: 0 0 auto; max-width: 46%; color: #667085; font-size: 8px; font-weight: 700; line-height: 1.35; text-align: right; }
.catalog-quick-empty { padding: 13px 10px; color: #667085; font-size: 9px; line-height: 1.45; text-align: center; }
.catalog-quick-selected { margin-top: 9px; padding: 9px 10px; display: flex; align-items: center; gap: 8px; background: #f0fbf6; border: 1px solid #a9dfc8; border-radius: 10px; }
.catalog-selected-check { flex: 0 0 25px; width: 25px; height: 25px; display: grid; place-items: center; color: #fff; background: #12a36c; border-radius: 50%; font-size: 12px; font-weight: 900; }
.catalog-quick-selected > span:last-child { min-width: 0; }
.catalog-quick-selected strong, .catalog-quick-selected small { display: block; }
.catalog-quick-selected strong { overflow: hidden; color: #123d2c; font-size: 10px; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.catalog-quick-selected small { margin-top: 2px; color: #567166; font-size: 8px; line-height: 1.35; }
.catalog-step-panel { padding-top: 1px; }
.range-row { display: grid; grid-template-columns: 42px 1fr 42px; align-items: center; gap: 8px; }
.range-row > button { width: 42px; height: 42px; border: 1px solid #dce4ef; border-radius: 10px; background: #f8fafc; color: var(--blue); font-size: 19px; font-weight: 700; cursor: pointer; }
input[type="range"] { width: 100%; accent-color: var(--blue); cursor: pointer; }
.button, .button-grid button { min-height: 42px; padding: 9px 10px; border: 1px solid #d8e2ef; border-radius: 10px; background: #f7f9fc; font-size: 10px; font-weight: 700; cursor: pointer; }
.button:hover, .button-grid button:hover { color: var(--blue); border-color: #b8cef5; background: var(--blue-soft); }
.button.wide { width: 100%; margin-top: 12px; }
.button-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; margin-top: 11px; }
.helper { margin: 10px 0 0; color: var(--muted); font-size: 9px; line-height: 1.6; }

.upload-box { min-height: 112px; margin-top: 13px; padding: 14px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; border: 1.5px dashed #a9c5f5; border-radius: 14px; background: #f7faff; cursor: pointer; }
.upload-box:hover { border-color: var(--blue); background: #f0f6ff; }
.photo-file-input { position: fixed; left: -10000px; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.upload-box strong { width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 5px; color: #fff; background: var(--blue); border-radius: 50%; font-size: 22px; }
.upload-box b { font-size: 11px; }
.upload-box small { margin-top: 3px; color: var(--muted); font-size: 8px; }
.quality { min-height: 16px; margin-top: 9px; color: var(--muted); font-size: 9px; }
.quality.good { color: var(--success); }
.quality.warn { color: #a76100; }
.photo-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 9px; }
.photo-item { position: relative; min-width: 0; border: 2px solid transparent; border-radius: 10px; background: #f0f3f8; overflow: hidden; cursor: pointer; }
.photo-item.is-selected { border-color: var(--blue); }
.photo-item img { width: 100%; aspect-ratio: 1; display: block; object-fit: cover; }
.photo-item span { display: block; padding: 4px; overflow: hidden; color: #475467; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.photo-item button { position: absolute; top: 3px; right: 3px; width: 25px; height: 25px; padding: 0; color: #fff; background: rgba(12, 21, 38, .75); border: 0; border-radius: 50%; cursor: pointer; }

.layout-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin-top: 13px; }
.layout-picker button { min-height: 42px; color: #475467; border: 1px solid #dce4ef; border-radius: 9px; background: #f8fafc; font-size: 11px; font-weight: 800; cursor: pointer; }
.layout-picker button.is-selected { color: var(--blue); border-color: var(--blue); background: var(--blue-soft); }
.swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 7px; margin-top: 13px; }
.swatches button { aspect-ratio: 1; background: var(--swatch); border: 3px solid #fff; border-radius: 12px; box-shadow: 0 0 0 1px #d7dfeb; cursor: pointer; }
.swatches .gradient-one { background: linear-gradient(145deg, #2777ff, #ff77ab); }
.swatches .gradient-two { background: linear-gradient(145deg, #ff9b53, #f43f75); }
.swatches .gradient-three { background: linear-gradient(145deg, #3dd7b3, #1f8fff); }
.swatches button.is-selected { box-shadow: 0 0 0 2px var(--blue); }
.color-field { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 8px; }
.color-field label { margin: 0; }
.color-field input[type="color"] { width: 40px; height: 36px; padding: 2px; border: 1px solid #d8e0eb; border-radius: 8px; background: #fff; }
.color-field output { min-width: 55px; color: var(--muted); font-size: 9px; }

.preview-card { position: sticky; top: 88px; padding: 15px; box-shadow: var(--shadow); }
.preview-card > header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 2px 2px 13px; }
.preview-card > header span { display: flex; flex-direction: column; }
.preview-card > header b { font-size: 13px; }
.preview-card > header small { margin-top: 2px; color: var(--muted); font-size: 8px; }
.preview-card > header strong { padding: 5px 8px; color: var(--success); background: #e6f8ee; border-radius: 999px; font-size: 8px; letter-spacing: .6px; }
.preview-stage { position: relative; min-height: 540px; padding: 39px 36px 25px 56px; display: grid; place-items: center; background: linear-gradient(145deg, #f8faff, #edf2f9); border: 1px solid #e2e8f1; border-radius: 15px; overflow: hidden; }
.case-frame { position: relative; width: min(100%, 330px); aspect-ratio: 1 / 2; background: #e7ecf3; border: 7px solid #171b22; border-radius: clamp(25px, 5vw, 44px); box-shadow: 0 24px 45px rgba(15, 23, 42, .24), inset 0 0 0 2px rgba(255,255,255,.35); overflow: hidden; user-select: none; touch-action: auto; }
.case-frame canvas { width: 100%; height: 100%; display: block; }
.width-measure { position: absolute; top: 12px; left: 56px; right: 36px; display: flex; align-items: center; gap: 8px; }
.width-measure span { height: 1px; flex: 1; background: var(--blue); position: relative; }
.width-measure span::before, .width-measure span::after { content: ""; position: absolute; top: -4px; width: 1px; height: 9px; background: var(--blue); }
.width-measure span::after { right: 0; }
.width-measure output, .height-measure output { color: var(--blue); font-size: 9px; font-weight: 800; white-space: nowrap; }
.height-measure { position: absolute; top: 40px; bottom: 25px; left: 16px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.height-measure span { width: 1px; flex: 1; background: var(--blue); position: relative; }
.height-measure span::before, .height-measure span::after { content: ""; position: absolute; left: -4px; width: 9px; height: 1px; background: var(--blue); }
.height-measure span::after { bottom: 0; }
.height-measure output { writing-mode: vertical-rl; }
/* Controles directos de foto: compactos, separados y útiles con dedo o ratón. */
.photo-quick-controls { position: absolute; left: 3px; right: 3px; bottom: 7px; z-index: 5; display: flex; align-items: center; justify-content: space-between; pointer-events: none; }
.photo-quick-controls button { width: clamp(30px, 8.5vw, 42px); height: clamp(30px, 8.5vw, 42px); min-width: 30px; min-height: 30px; padding: 0; color: #fff; background: var(--blue); border: 2px solid #fff; border-radius: 50%; box-shadow: 0 3px 10px rgba(15,23,42,.24); font-size: clamp(17px, 4.5vw, 21px); font-weight: 800; line-height: 1; cursor: pointer; pointer-events: auto; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.photo-quick-controls button:focus-visible { outline: 3px solid rgba(23,105,255,.35); outline-offset: 2px; }
.camera-layer, .sticker-layer { position: absolute; inset: 0; pointer-events: none; }
.camera-zone { position: absolute; min-width: 32px; min-height: 32px; border: 2px dashed rgba(255, 255, 255, .95); border-radius: 13px; background: rgba(23, 105, 255, .12); box-shadow: 0 0 0 1px rgba(23, 105, 255, .85); pointer-events: auto; cursor: move; touch-action: none; }
.camera-zone::before { content: "CÁMARA"; position: absolute; top: 5px; left: 6px; color: #fff; font-size: 7px; font-weight: 800; text-shadow: 0 1px 3px #000; pointer-events: none; }
.camera-zone .touch-hit { position: absolute; inset: 0; z-index: 0; }
.camera-zone .resize { position: absolute; right: -5px; bottom: -5px; z-index: 1; width: 18px; height: 18px; background: #fff; border: 2px solid var(--blue); border-radius: 50%; cursor: nwse-resize; touch-action: none; }
.text-overlay { position: absolute; left: 50%; top: 72%; max-width: 88%; padding: 4px 8px; color: #fff; font-size: 27px; font-weight: 700; line-height: 1.05; text-align: center; text-shadow: 0 2px 7px rgba(0,0,0,.4); transform: translate(-50%, -50%); cursor: move; touch-action: none; overflow-wrap: anywhere; }
.sticker { position: absolute; transform: translate(-50%, -50%); cursor: move; pointer-events: auto; touch-action: none; filter: drop-shadow(0 2px 3px rgba(0,0,0,.18)); }
.sticker.is-selected { outline: 2px dashed var(--blue); outline-offset: 4px; }
.empty-state { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #6f7b8d; text-align: center; pointer-events: none; }
.preview-upload-button { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 8px; color: #fff; background: rgba(23, 105, 255, .85); border-radius: 50%; font-size: 26px; line-height: 1; cursor: pointer; pointer-events: auto; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.empty-state b { font-size: 12px; }
.empty-state small { margin-top: 3px; font-size: 8px; }

.zone-list { display: grid; gap: 8px; margin-top: 10px; }
.zone-row { padding: 9px; background: #f7f9fc; border: 1px solid #e3e9f2; border-radius: 10px; }
.zone-row header { display: flex; justify-content: space-between; align-items: center; }
.zone-row b { font-size: 10px; }
.zone-row button { width: 28px; height: 28px; padding: 0; color: var(--danger); border: 0; background: transparent; cursor: pointer; }
.zone-fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.zone-fields label { margin-top: 6px; color: var(--muted); font-size: 8px; }
.zone-fields input { min-height: 34px !important; padding: 6px !important; }
.picker-disclosure { margin-top: 12px; border: 1px solid #dce4ef; border-radius: 11px; background: #f8fafc; overflow: hidden; }
.picker-disclosure > summary { min-height: 45px; padding: 9px 12px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; color: #344054; cursor: pointer; list-style: none; user-select: none; }
.picker-disclosure > summary::-webkit-details-marker { display: none; }
.picker-disclosure > summary span { min-width: 0; display: flex; flex-direction: column; }
.picker-disclosure > summary b { font-size: 11px; }
.picker-disclosure > summary small { margin-top: 2px; color: var(--muted); font-size: 8px; }
.picker-disclosure > summary::after { content: "⌄"; color: var(--blue); font-size: 17px; line-height: 1; transition: transform .18s ease; }
.picker-disclosure > summary:hover { background: #f1f6ff; }
.picker-disclosure > summary:focus-visible { outline: 3px solid rgba(23, 105, 255, .28); outline-offset: -3px; }
.picker-disclosure[open] > summary { border-bottom: 1px solid #e5eaf2; background: #f5f8fd; }
.picker-disclosure[open] > summary::after { transform: rotate(180deg); }
.picker-disclosure .font-picker, .picker-disclosure .emoji-picker { margin-top: 0; padding: 10px; }
.font-picker { max-height: 180px; margin-top: 12px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; overflow: auto; }
.font-picker button { min-height: 37px; padding: 6px; border: 1px solid #dce4ef; border-radius: 9px; background: #fff; font-size: 10px; cursor: pointer; }
.font-picker button.is-selected { color: var(--blue); border-color: var(--blue); background: var(--blue-soft); }
.emoji-picker { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin-top: 12px; }
.emoji-picker button { aspect-ratio: 1; padding: 0; background: #f7f9fc; border: 1px solid #e1e7ef; border-radius: 9px; font-size: 20px; cursor: pointer; }
.sticker-controls { margin-top: 10px; }
.proof { margin: 15px 0; display: flex; align-items: flex-start; gap: 9px; color: #475467; font-size: 10px; line-height: 1.45; cursor: pointer; }
.proof input { width: 20px; height: 20px; margin: 0; flex: 0 0 auto; accent-color: var(--blue); }
.send-button { width: 100%; min-height: 50px; padding: 12px; color: #fff; background: linear-gradient(135deg, #287aff, #0850d7); border: 0; border-radius: 12px; box-shadow: 0 10px 20px rgba(23, 105, 255, .24); font-size: 12px; font-weight: 800; cursor: pointer; }
.send-button:hover { filter: brightness(1.05); transform: translateY(-1px); }
.send-button:disabled { opacity: .65; cursor: wait; transform: none; }
.send-progress { height: 7px; margin-top: 12px; background: #e9eef6; border-radius: 999px; overflow: hidden; }
.send-progress span { width: 0; height: 100%; display: block; background: linear-gradient(90deg, var(--blue), #5f9cff); transition: width .2s ease; }
.message { min-height: 18px; margin-top: 10px; font-size: 10px; line-height: 1.45; }
.message.success { padding: 10px; color: var(--success); background: #e8f8ef; border-radius: 9px; }
.message.error { padding: 10px; color: var(--danger); background: #ffedef; border-radius: 9px; }
footer { padding: 22px; color: #8490a3; text-align: center; font-size: 10px; }

@media (max-width: 1180px) {
  .workspace { grid-template-columns: minmax(250px, 300px) minmax(390px, 1fr); }
  .tools-right { grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .order-card { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .site-header { min-height: 61px; padding-top: max(6px, env(safe-area-inset-top)); }
  .brand img { width: 43px; height: 43px; }
  .brand span { font-size: 13px; }
  .connection { width: 34px; height: 34px; padding: 0; }
  .app-shell { padding: 15px 10px 50px; }
  .hero { padding: 12px 6px 19px; }
  .hero h1 { letter-spacing: -1.4px; }
  .workspace { display: flex; flex-direction: column; gap: 11px; }
  .preview-card { position: relative; top: auto; order: 0; width: 100%; padding: 11px; }
  .tools-left { order: 1; width: 100%; }
  .tools-right { order: 2; width: 100%; display: grid; grid-template-columns: 1fr; }
  .preview-stage { min-height: 390px; max-height: 58vh; padding: 34px 30px 18px 47px; }
  .case-frame { width: auto; height: min(48vh, 430px); max-width: 100%; }
  .width-measure { left: 47px; right: 30px; }
  .height-measure { left: 13px; top: 35px; bottom: 18px; }
  .tool-heading { min-height: 64px; }
  .tool-heading small { font-size: 8px; }
  .tool-content { padding: 2px 13px 15px; }
  .two-columns { grid-template-columns: 1fr; gap: 0; }
  .range-row { grid-template-columns: 46px 1fr 46px; }
  .range-row > button { width: 46px; height: 46px; }
  .button, .button-grid button { min-height: 46px; }
  input:not([type="range"]):not([type="color"]), textarea, select { min-height: 46px; font-size: 16px; }
  .send-button { min-height: 54px; font-size: 13px; }
}

@media (max-width: 390px) {
  .connection { padding: 0; }
  .connection .connection-light { display: block; }
  .preview-stage { min-height: 350px; padding-left: 42px; padding-right: 24px; }
  .case-frame { height: min(44vh, 370px); }
  .width-measure { left: 42px; right: 24px; }
  .photo-list { grid-template-columns: repeat(2, 1fr); }
  .emoji-picker { grid-template-columns: repeat(5, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* 4.1 · Identidad de color por herramienta */
.tool-card { --tool-color: #1769ff; --tool-soft: #f1f6ff; border-left: 4px solid var(--tool-color); }
.tool-card[data-tool="measure"] { --tool-color: #1769ff; --tool-soft: #eef5ff; }
.tool-card[data-tool="camera"] { --tool-color: #0d9488; --tool-soft: #edfffb; }
.tool-card[data-tool="photo"] { --tool-color: #4f46e5; --tool-soft: #f2f1ff; }
.tool-card[data-tool="collage"] { --tool-color: #9333ea; --tool-soft: #faf1ff; }
.tool-card[data-tool="background"] { --tool-color: #e07800; --tool-soft: #fff7e8; }
.tool-card[data-tool="text"] { --tool-color: #db2777; --tool-soft: #fff0f7; }
.tool-card[data-tool="stickers"] { --tool-color: #16a34a; --tool-soft: #effdf3; }
.tool-card[data-tool="filters"] { --tool-color: #475467; --tool-soft: #f2f4f7; }
.tool-card[data-tool="order"] { --tool-color: #0878b9; --tool-soft: #ecf8ff; }
.tool-card .tool-heading { background: var(--tool-soft); }
.tool-card .tool-heading:hover { background: var(--tool-soft); filter: saturate(1.08); }
.tool-card .tool-heading .step { background: var(--tool-color); box-shadow: 0 7px 16px color-mix(in srgb, var(--tool-color) 24%, transparent); }
.tool-card .tool-heading i, .tool-card .field output, .tool-card .range-field output { color: var(--tool-color); }
.tool-card.is-open { border-color: color-mix(in srgb, var(--tool-color) 42%, #dce3eb); box-shadow: 0 9px 25px color-mix(in srgb, var(--tool-color) 12%, transparent); }
.tool-card .range-row > button, .tool-card .button-grid button, .tool-card .button.secondary { color: var(--tool-color); border-color: color-mix(in srgb, var(--tool-color) 24%, #dce3eb); background: color-mix(in srgb, var(--tool-soft) 72%, #fff); }
.tool-card .range-row > button:hover, .tool-card .button-grid button:hover, .tool-card .button.secondary:hover { color: #fff; border-color: var(--tool-color); background: var(--tool-color); }

.font-picker { max-height: 270px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.font-picker button { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.emoji-picker { grid-template-columns: repeat(8, 1fr); max-height: 310px; padding: 2px; overflow-y: auto; scrollbar-width: thin; }
.emoji-picker button { min-height: 42px; font-size: 22px; transition: transform .12s ease, border-color .12s ease, background .12s ease; }
.emoji-picker button:hover { border-color: #87b0f5; background: #edf5ff; transform: scale(1.08); }

.approval-box { margin: 16px 0 14px; padding: 13px; display: grid !important; grid-template-columns: 24px minmax(0, 1fr); align-items: start; gap: 10px; color: #263244 !important; background: #fff8e7; border: 1px solid #f0cd78; border-radius: 12px; visibility: visible !important; opacity: 1 !important; }
.approval-box input { width: 22px !important; height: 22px !important; min-height: 22px !important; margin: 1px 0 0 !important; display: block !important; accent-color: #0878b9; }
.approval-box label { margin: 0 !important; display: flex !important; flex-direction: column; gap: 3px; color: #263244 !important; font-size: 11px !important; line-height: 1.45; cursor: pointer; visibility: visible !important; opacity: 1 !important; }
.approval-box label strong { display: block !important; color: #8a5600 !important; font-size: 11px; }
.approval-box label span { display: block !important; color: #475467 !important; visibility: visible !important; opacity: 1 !important; }

/* 4.3 · Modo móvil táctil: muestra fija y controles en el espacio restante */
@media (max-width: 1100px) {
  .compact-editor-mode .case-frame canvas { touch-action: none; }
  .compact-editor-mode .photo-quick-controls:not([hidden]) { display: flex; }
  .compact-editor-mode .camera-zone .touch-hit { inset: -8px; }
  .compact-editor-mode .camera-zone .resize { right: -14px; bottom: -14px; width: 44px; height: 44px; background: transparent; border: 0; }
  .compact-editor-mode .camera-zone .resize::after { content: ""; position: absolute; right: 8px; bottom: 8px; width: 18px; height: 18px; background: #fff; border: 2px solid var(--blue); border-radius: 50%; box-sizing: border-box; }
  body.compact-editor-mode {
    --dock-width: clamp(142px, 40vw, 270px);
    --dock-height: clamp(235px, 47dvh, 390px);
    --dock-gap: 7px;
    overflow-x: hidden;
  }
  .compact-editor-mode .app-shell { width: 100%; max-width: 100%; padding-left: 6px; padding-right: 6px; overflow: visible; }
  .compact-editor-mode .workspace { width: 100%; display: block; overflow: visible; }
  .compact-editor-mode .tools-left { width: 100%; display: grid; padding: 0 0 0 calc(var(--dock-width) + var(--dock-gap)); gap: 7px; }
  .compact-editor-mode .tools-right { display: none !important; }
  .compact-editor-mode .tool-card { width: 100%; max-width: 100%; margin: 0; border-radius: 12px; }
  .compact-editor-mode .tool-heading { min-height: 60px; padding: 8px 7px; grid-template-columns: 32px minmax(0, 1fr) auto; gap: 6px; }
  .compact-editor-mode .tool-heading .step { width: 30px; height: 30px; border-radius: 9px; }
  .compact-editor-mode .tool-heading b { font-size: 11px; line-height: 1.25; }
  .compact-editor-mode .tool-heading small { font-size: 8px; white-space: normal; line-height: 1.25; }
  .compact-editor-mode .tool-heading em { display: none; }
  .compact-editor-mode .tool-card.active-tool {
    width: calc(100vw - 12px);
    max-width: calc(100vw - 12px);
    max-height: max(180px, calc(100dvh - var(--dock-height) - 80px));
    margin: 0 0 0 calc(0px - var(--dock-width) - var(--dock-gap));
    position: sticky;
    top: 68px;
    overflow: hidden;
    z-index: 520;
    border-left-width: 5px;
    box-shadow: 0 14px 34px rgba(15, 23, 42, .18);
  }
  .compact-editor-mode .tool-card.active-tool .tool-heading,
  .compact-editor-mode .tool-card.active-tool .tool-content { position: relative; z-index: 521; background: #fff; }
  .compact-editor-mode .tool-card.active-tool .tool-heading { background: var(--tool-soft); }
  .compact-editor-mode .tool-card.active-tool .tool-content {
    max-height: max(118px, calc(100dvh - var(--dock-height) - 140px));
    padding: 3px 14px max(16px, env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  body.compact-editor-mode.mobile-tool-open {
    --active-tool-top: 68px;
  }
  body.compact-editor-mode.mobile-tool-open .hero { display: none !important; }
  body.compact-editor-mode.mobile-tool-open .tool-card.active-tool {
    top: var(--active-tool-top);
    max-height: max(180px, calc(100dvh - var(--dock-height) - var(--active-tool-top) - 10px));
  }
  body.compact-editor-mode.mobile-tool-open .tool-card.active-tool .tool-content {
    max-height: max(118px, calc(100dvh - var(--dock-height) - var(--active-tool-top) - 70px));
  }
  .compact-editor-mode .docked-preview {
    width: var(--dock-width) !important;
    height: var(--dock-height) !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    position: fixed !important;
    left: max(0px, env(safe-area-inset-left)) !important;
    right: auto !important;
    top: auto !important;
    bottom: max(0px, env(safe-area-inset-bottom)) !important;
    z-index: 450 !important;
    overflow: hidden !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }
  .compact-editor-mode .docked-preview > header { display: none !important; }
  .compact-editor-mode .docked-preview .preview-stage {
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: none;
    padding: 24px 5px 3px 23px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: transparent;
    border: 0;
    border-radius: 0;
  }
  .compact-editor-mode .docked-preview .case-frame { width: auto; height: 100%; max-width: 100%; max-height: 100%; border-width: 5px; border-radius: 25px; }
  .compact-editor-mode .docked-preview .width-measure { top: 5px; left: 24px; right: 5px; gap: 3px; }
  .compact-editor-mode .docked-preview .height-measure { top: 25px; bottom: 3px; left: 4px; gap: 3px; }
  .compact-editor-mode .docked-preview .width-measure output,
  .compact-editor-mode .docked-preview .height-measure output { font-size: 7px; }
  .compact-editor-mode .range-row { grid-template-columns: 46px minmax(0, 1fr) 46px; gap: 7px; }
  .compact-editor-mode .range-row > button { width: 46px; height: 48px; min-width: 46px; min-height: 48px; border-radius: 12px; font-size: 25px; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
  .compact-editor-mode input[type="range"] { min-height: 40px; touch-action: pan-x; }
  .compact-editor-mode input:not([type="range"]):not([type="color"]),
  .compact-editor-mode textarea,
  .compact-editor-mode select { min-height: 47px; font-size: 16px; }
  .compact-editor-mode .catalog-pick-mode button { min-height: 44px; font-size: 11px; }
  .compact-editor-mode .catalog-search { min-height: 47px; font-size: 16px; }
  .compact-editor-mode .catalog-search-clear { width: 36px; height: 36px; font-size: 22px; }
  .compact-editor-mode .catalog-help { font-size: 10px; }
  .compact-editor-mode .catalog-quick-results { max-height: 235px; }
  .compact-editor-mode .catalog-quick-result { min-height: 48px; padding: 10px 11px; }
  .compact-editor-mode .catalog-quick-result strong { font-size: 12px; }
  .compact-editor-mode .catalog-quick-result span,
  .compact-editor-mode .catalog-quick-selected small { font-size: 10px; }
  .compact-editor-mode .catalog-quick-selected strong { font-size: 12px; }
  .compact-editor-mode .button,
  .compact-editor-mode .button-grid button { min-height: 47px; font-size: 11px; }
  .compact-editor-mode .button-grid { grid-template-columns: 1fr; }
  .compact-editor-mode .font-picker { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: 265px; }
  .compact-editor-mode .font-picker button { min-height: 43px; font-size: 10px; }
  .compact-editor-mode .emoji-picker { grid-template-columns: repeat(4, minmax(0, 1fr)); max-height: 285px; }
  .compact-editor-mode .emoji-picker button { min-height: 46px; font-size: 22px; }
  .compact-editor-mode .approval-box { grid-template-columns: 22px minmax(0, 1fr); padding: 10px; gap: 8px; }
  .compact-editor-mode .approval-box label { font-size: 12px !important; }
  .compact-editor-mode .approval-box label strong { font-size: 12px; }
  .compact-editor-mode .send-button { min-height: 54px; font-size: 12px; }
}

@media (max-width: 390px) {
  body.compact-editor-mode { --dock-width: clamp(130px, 39vw, 152px); --dock-height: clamp(225px, 44dvh, 330px); --dock-gap: 6px; }
  .compact-editor-mode .tool-heading { min-height: 54px; grid-template-columns: 29px minmax(0, 1fr) auto; }
  .compact-editor-mode .tool-heading .step { width: 27px; height: 27px; }
  .compact-editor-mode .tool-heading b { font-size: 10px; }
  .compact-editor-mode .tool-heading small { display: none; }
  .compact-editor-mode .tool-card.active-tool .tool-content { padding-left: 8px; padding-right: 8px; }
  .compact-editor-mode .range-row { grid-template-columns: 42px minmax(0, 1fr) 42px; gap: 5px; }
  .compact-editor-mode .range-row > button { width: 42px; height: 46px; min-width: 42px; min-height: 46px; }
  .compact-editor-mode .font-picker { grid-template-columns: 1fr; }
  .compact-editor-mode .emoji-picker { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compact-editor-mode .catalog-pick-mode { gap: 3px; }
  .compact-editor-mode .catalog-pick-mode button { padding-left: 5px; padding-right: 5px; font-size: 10px; }
  .compact-editor-mode .catalog-quick-result { align-items: flex-start; flex-direction: column; gap: 2px; }
  .compact-editor-mode .catalog-quick-result span { max-width: 100%; text-align: left; }
}

@media (max-width: 1100px) and (max-height: 520px) and (orientation: landscape) {
  body.compact-editor-mode { --dock-width: clamp(130px, 27vw, 210px); --dock-height: clamp(165px, 44dvh, 220px); }
  .compact-editor-mode .tool-card.active-tool { max-height: max(130px, calc(100dvh - var(--dock-height) - 62px)); top: 52px; }
  .compact-editor-mode .tool-card.active-tool .tool-content { max-height: max(72px, calc(100dvh - var(--dock-height) - 120px)); }
}

@media (min-width: 1101px) {
  .tool-heading { min-height: 75px; padding: 13px 15px; grid-template-columns: 40px minmax(0, 1fr) auto auto; gap: 11px; }
  .tool-heading .step { width: 36px; height: 36px; font-size: 14px; }
  .tool-heading b { font-size: 15px; line-height: 1.3; }
  .tool-heading small { font-size: 11px; line-height: 1.35; white-space: normal; overflow: visible; text-overflow: clip; }
  .tool-heading em { font-size: 10px; }
  .tool-content { padding: 3px 16px 18px; }
  .field label, .range-field > label { font-size: 13px; }
  .field output { font-size: 12px; }
  input:not([type="range"]):not([type="color"]), textarea, select { min-height: 46px; font-size: 14px; }
  .size-mode button { min-height: 41px; font-size: 12px; }
  .catalog-pick-mode button { min-height: 40px; font-size: 11px; }
  .catalog-help { font-size: 10px; }
  .catalog-quick-result strong, .catalog-quick-selected strong { font-size: 12px; }
  .catalog-quick-result span, .catalog-quick-selected small { font-size: 10px; }
  .catalog-quick-empty { font-size: 10px; }
  .size-hint, .helper, .quality { font-size: 11px; }
  .button, .button-grid button { min-height: 45px; font-size: 12px; }
  .upload-box b { font-size: 13px; }
  .upload-box small { font-size: 10px; }
  .photo-item span { font-size: 10px; }
  .layout-picker button { font-size: 13px; }
  .picker-disclosure > summary b { font-size: 13px; }
  .picker-disclosure > summary small { font-size: 10px; }
  .font-picker button { font-size: 12px; }
  .preview-card > header b { font-size: 15px; }
  .preview-card > header small, .preview-card > header strong { font-size: 10px; }
  .width-measure output, .height-measure output { font-size: 11px; }
  .empty-state b { font-size: 14px; }
  .empty-state small { font-size: 10px; }
  .zone-row b { font-size: 12px; }
  .zone-fields label { font-size: 10px; }
  .approval-box label, .approval-box label strong { font-size: 13px !important; }
  .send-button { min-height: 54px; font-size: 14px; }
  .message, footer { font-size: 12px; }
}