/* Reset & variables */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: thin;
}

:root {
  --bg: #1a1a1a;
  --surface: #242424;
  --border: #333;
  --muted: #666;
  --muted-light: #eeeeee;
  --text: #e8e8e8;
  --red: #ff0000;
  --accent: #ce161b;
  --accent-muted: #cc4c43;

  --font: "Helvetica Neue", sans-serif;
  --font-display: "Helvetica Neue", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  height: 100dvh;
  overflow: hidden;
  color: var(--text);
  font-family: var(--font);
}

/* topbar */
.topbar {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 0 20px;
  height: 48px;
  & .topbar-sep {
    margin-right: auto;
    min-width: 200px;

    & .sku-bar {
      display: flex;
      gap: 6px;
    }
  }
}
.topbar-title {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

button {
  transition: background 0.15s;
  cursor: pointer;
  border: none;
  border-radius: 3px;
  background: var(--accent);
  padding: 7px 18px;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--font);
  letter-spacing: 0.04em;

  &:hover {
    background: var(--accent-muted);
  }
}

/* workspace */
.workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* editor */
.editor {
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 16px;
  width: 300px;
  overflow-y: auto;
}

.section-label {
  margin: 14px 0 8px;
  color: var(--muted);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* form fields */
label.field-label {
  display: block;
  margin: 10px 0 3px;
  color: var(--muted);
  font-size: 11px;
}

input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--accent);
}

input[type="text"],
textarea {
  transition: border-color 0.15s;
  outline: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #2c2c2c;
  padding: 6px 8px;
  width: 100%;
  resize: vertical;
  color: var(--text);
  font-size: 12px;
  font-family: var(--font);

  &:focus {
    border-color: #555;
  }
}

textarea {
  min-height: 150px;
  line-height: 1.45;
}

.price-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  & input {
    min-width: 0;
  }
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid #2c2c2c;
  padding: 4px 0;
  font-size: 11px;

  & input[type="checkbox"] {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
  }
}

.spec-name {
  flex-shrink: 0;
  color: var(--muted);
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
}

/* design picker */
.design-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.design-opt {
  transition: all 0.15s;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  background: #2c2c2c;
  padding: 8px 6px 6px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
}

.design-opt img {
  display: block;
  margin-bottom: 5px;
  border-radius: 2px;
  background: #333;
  aspect-ratio: 3/4;
  width: 100%;
  object-fit: contain;
}
.design-opt.landscape img {
  aspect-ratio: 4/3;
}
.design-opt:hover {
  background: #333;
  color: var(--text);
}
.design-opt.active {
  border-color: var(--accent);
  color: var(--text);
}