.sqm-app,
.sqm-app * {
  box-sizing: border-box;
}

.sqm-app {
  --sqm-bg: #fff7fb;
  --sqm-panel: #ffffff;
  --sqm-text: #18181b;
  --sqm-muted: #71717a;
  --sqm-border: #ece7f0;
  --sqm-primary: #d63384;
  --sqm-primary-dark: #a61e5c;
  --sqm-soft: #fff0f6;
  width: 100%;
  max-width: 1180px;
  margin: 32px auto;
  padding: 0;
  color: var(--sqm-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

.sqm-header {
  text-align: center;
  margin-bottom: 22px;
  padding: 28px 22px;
  border: 1px solid var(--sqm-border);
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(214, 51, 132, 0.14), transparent 34%),
    linear-gradient(135deg, #fff, #fff6fb);
  box-shadow: 0 18px 45px rgba(24, 24, 27, 0.06);
}

.sqm-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--sqm-soft);
  color: var(--sqm-primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.sqm-header h2 {
  margin: 12px 0 8px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.07;
  letter-spacing: -0.04em;
  color: var(--sqm-text);
}

.sqm-header p {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.65;
  color: var(--sqm-muted);
}

.sqm-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.sqm-panel,
.sqm-preview-wrap {
  border: 1px solid var(--sqm-border);
  border-radius: 26px;
  background: var(--sqm-panel);
  box-shadow: 0 18px 45px rgba(24, 24, 27, 0.06);
}

.sqm-panel {
  padding: 18px;
}

.sqm-panel-section {
  padding: 16px 0;
  border-bottom: 1px solid var(--sqm-border);
}

.sqm-panel-section:first-child {
  padding-top: 4px;
}

.sqm-panel-section:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.sqm-section-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--sqm-text);
}

.sqm-label {
  display: block;
  margin: 12px 0 7px;
  color: #3f3f46;
  font-size: 13px;
  font-weight: 700;
}

.sqm-label span {
  color: #a1a1aa;
  font-weight: 600;
}

.sqm-input,
.sqm-app textarea,
.sqm-app select,
.sqm-app input[type="text"],
.sqm-app input[type="number"] {
  width: 100%;
  min-height: 44px;
  border: 1px solid #e6e1eb;
  border-radius: 14px;
  background: #fff;
  color: var(--sqm-text);
  outline: none;
  padding: 11px 13px;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.sqm-app textarea {
  resize: vertical;
}

.sqm-input:focus,
.sqm-app textarea:focus,
.sqm-app select:focus,
.sqm-app input[type="text"]:focus,
.sqm-app input[type="number"]:focus {
  border-color: rgba(214, 51, 132, .55);
  box-shadow: 0 0 0 4px rgba(214, 51, 132, .10);
}

.sqm-symbols {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 11px;
}

.sqm-symbols button,
.sqm-align-buttons button {
  appearance: none;
  border: 1px solid #eadfea;
  background: #fff;
  color: #3f3f46;
  min-height: 36px;
  border-radius: 12px;
  padding: 7px 10px;
  cursor: pointer;
  font-weight: 700;
  transition: transform .14s ease, background .14s ease, border-color .14s ease;
}

.sqm-symbols button:hover,
.sqm-align-buttons button:hover {
  transform: translateY(-1px);
  background: #fff7fb;
  border-color: rgba(214, 51, 132, .34);
}

.sqm-color-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.sqm-color-row label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid #e6e1eb;
  border-radius: 14px;
  background: #fff;
  color: #52525b;
  font-size: 13px;
  font-weight: 700;
}

.sqm-app input[type="color"] {
  width: 42px;
  height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.sqm-range-grid {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.sqm-range-grid label {
  display: grid;
  grid-template-columns: 96px 1fr 42px;
  gap: 8px;
  align-items: center;
  color: #52525b;
  font-size: 13px;
  font-weight: 700;
}

.sqm-app input[type="range"] {
  width: 100%;
  accent-color: var(--sqm-primary);
}

.sqm-range-grid output {
  text-align: right;
  color: #71717a;
  font-variant-numeric: tabular-nums;
}

.sqm-align-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 12px 0;
}

.sqm-align-buttons button.is-active {
  background: var(--sqm-primary);
  border-color: var(--sqm-primary);
  color: #fff;
}

.sqm-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: #52525b;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.sqm-check input {
  width: 17px;
  height: 17px;
  accent-color: var(--sqm-primary);
}

.sqm-custom-size {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.sqm-preview-wrap {
  position: sticky;
  top: 22px;
  padding: 18px;
  min-width: 0;
}

.sqm-preview-toolbar,
.sqm-downloads,
.sqm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 14px;
}

.sqm-actions-mobile {
  display: none;
  margin-top: 16px;
  margin-bottom: 0;
}

.sqm-btn {
  appearance: none;
  border: 0;
  min-height: 44px;
  border-radius: 14px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
}

.sqm-btn:hover {
  transform: translateY(-1px);
}

.sqm-btn:active {
  transform: translateY(0);
  opacity: .82;
}

.sqm-btn-primary {
  background: linear-gradient(135deg, var(--sqm-primary), #e8599b);
  color: #fff;
  box-shadow: 0 12px 24px rgba(214, 51, 132, .24);
}

.sqm-btn-dark {
  background: #18181b;
  color: #fff;
  box-shadow: 0 12px 24px rgba(24, 24, 27, .16);
}

.sqm-btn-secondary {
  background: #fff7fb;
  color: var(--sqm-primary-dark);
  border: 1px solid #f1d8e5;
}

.sqm-canvas-shell {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 540px;
  padding: 16px;
  border-radius: 22px;
  background:
    linear-gradient(45deg, rgba(24, 24, 27, .04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(24, 24, 27, .04) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(24, 24, 27, .04) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(24, 24, 27, .04) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  overflow: hidden;
}

.sqm-canvas-shell canvas {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 680px;
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(24, 24, 27, .20);
  background: #fff;
}

.sqm-downloads {
  margin-top: 16px;
  margin-bottom: 8px;
}

.sqm-note {
  margin: 0;
  text-align: center;
  color: var(--sqm-muted);
  font-size: 13px;
  font-weight: 600;
}

.sqm-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 999999;
  transform: translateX(-50%) translateY(18px);
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(24, 24, 27, .92);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

.sqm-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}



.sqm-section-help {
  margin: -4px 0 12px;
  color: var(--sqm-muted);
  font-size: 13px;
  line-height: 1.5;
}

.sqm-template-tools {
  display: grid;
  gap: 8px;
}

.sqm-template-count {
  margin: 12px 0 8px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #fff7fb;
  color: var(--sqm-primary-dark);
  font-size: 12px;
  font-weight: 800;
}

.sqm-template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  max-height: 420px;
  overflow: auto;
  padding: 2px 3px 4px 1px;
  scrollbar-width: thin;
}

.sqm-template-card {
  appearance: none;
  border: 1px solid #eadfea;
  border-radius: 16px;
  background: #fff;
  color: #27272a;
  padding: 8px;
  text-align: left;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

.sqm-template-card:hover {
  transform: translateY(-1px);
  border-color: rgba(214, 51, 132, .42);
  box-shadow: 0 12px 26px rgba(24, 24, 27, .08);
}

.sqm-template-card.is-active {
  border-color: rgba(214, 51, 132, .80);
  box-shadow: 0 0 0 3px rgba(214, 51, 132, .12), 0 12px 26px rgba(24, 24, 27, .08);
  background: #fff7fb;
}

.sqm-template-thumb {
  position: relative;
  display: block;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--sqm-tpl-bg1), var(--sqm-tpl-bg2));
  border: 1px solid rgba(255, 255, 255, .7);
}

.sqm-template-thumb::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid var(--sqm-tpl-frame);
  border-radius: 10px;
  opacity: .75;
}

.sqm-template-thumb span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54%;
  height: 28%;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: rgba(255, 255, 255, .38);
  box-shadow: 0 10px 25px rgba(24, 24, 27, .08);
}

.sqm-template-thumb i {
  position: absolute;
  left: 24%;
  right: 24%;
  top: 43%;
  height: 4px;
  border-radius: 999px;
  background: var(--sqm-tpl-text);
  opacity: .72;
  box-shadow: 0 10px 0 var(--sqm-tpl-text), 0 20px 0 var(--sqm-tpl-text);
}

.sqm-template-card strong {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.2;
  color: #27272a;
}

.sqm-template-card small {
  display: block;
  margin-top: 2px;
  color: #71717a;
  font-size: 11px;
  font-weight: 700;
}

.sqm-template-empty {
  grid-column: 1 / -1;
  padding: 14px;
  border: 1px dashed #eadfea;
  border-radius: 14px;
  background: #fff7fb;
  color: #71717a;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

@media (max-width: 980px) {
  .sqm-workspace {
    grid-template-columns: 1fr;
  }

  .sqm-preview-wrap {
    position: static;
    order: -1;
  }

  .sqm-preview-toolbar {
    display: none;
  }

  .sqm-actions-mobile {
    display: flex;
  }

  .sqm-canvas-shell {
    min-height: 420px;
  }

  .sqm-canvas-shell canvas {
    max-height: 520px;
  }
}

@media (max-width: 560px) {
  .sqm-app {
    margin: 20px auto;
  }

  .sqm-header,
  .sqm-panel,
  .sqm-preview-wrap {
    border-radius: 20px;
  }

  .sqm-header {
    padding: 22px 16px;
  }

  .sqm-panel,
  .sqm-preview-wrap {
    padding: 14px;
  }

  .sqm-color-row {
    grid-template-columns: 1fr;
  }

  .sqm-range-grid label {
    grid-template-columns: 88px 1fr 38px;
  }

  .sqm-downloads .sqm-btn,
  .sqm-actions .sqm-btn {
    flex: 1 1 140px;
  }
}

.sqm-file {
  padding: 9px 11px;
  background: #fffdfd;
}

.sqm-file::file-selector-button {
  margin-right: 10px;
  border: 0;
  border-radius: 10px;
  background: #fff0f6;
  color: var(--sqm-primary-dark);
  font-weight: 800;
  padding: 8px 10px;
  cursor: pointer;
}

.sqm-mini-btn {
  width: 100%;
  margin-top: 10px;
  min-height: 38px;
  border: 1px solid #eadfea;
  border-radius: 12px;
  background: #fff;
  color: #52525b;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.sqm-mini-btn:hover {
  transform: translateY(-1px);
  background: #fff7fb;
  border-color: rgba(214, 51, 132, .34);
}

.sqm-compact-range label {
  grid-template-columns: 108px 1fr 42px;
}

.sqm-panel-section:nth-child(4),
.sqm-panel-section:nth-child(5),
.sqm-panel-section:nth-child(6) {
  background: linear-gradient(180deg, rgba(255, 247, 251, 0.48), rgba(255, 255, 255, 0));
  margin-left: -10px;
  margin-right: -10px;
  padding-left: 10px;
  padding-right: 10px;
  border-radius: 18px;
}

@media (max-width: 560px) {
  .sqm-compact-range label {
    grid-template-columns: 96px 1fr 38px;
  }
}