/* ============================================================
   settings.css —— 积木块：页面设置（挂在导航栏下拉里）
   前缀 .pcfg-，与 slide-manager / note-manager 互不影响
   ============================================================ */

.pcfg {
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--c-text);
}

.pcfg__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.pcfg__title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.pcfg__title em {
  margin-left: 10px;
  font-style: normal;
  font-weight: 400;
  font-size: 12.5px;
  color: var(--c-text-3);
}

.pcfg__reset {
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: 7px;
  background: var(--c-surface-soft);
  color: var(--c-text-2);
  font-size: 13px;
  cursor: pointer;
  flex: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.pcfg__reset:hover {
  color: var(--c-text);
  border-color: var(--c-line-strong);
}

.pcfg__scroll {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: min(62vh, 540px);
  overflow: auto;
  padding-right: 4px;
}

.pcfg__sec {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pcfg__sec > h4 {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-text-2);
  letter-spacing: 0.04em;
}

/* —— 亮暗模式分段按钮 —— */
.pcfg__seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 4px;
  border-radius: 9px;
  background: var(--c-card-soft);
  border: 1px solid var(--c-line);
}

.pcfg__seg button {
  height: 34px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--c-text-2);
  font-size: 13.5px;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease),
    box-shadow 0.16s var(--ease);
}

.pcfg__seg button:hover {
  color: var(--c-text);
}

.pcfg__seg button.is-on {
  background: var(--c-surface-focus);
  color: var(--c-accent-strong);
  font-weight: 600;
  box-shadow: var(--shadow-1);
}

/* —— 背景图 —— */
.pcfg__bg {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}

.pcfg__bg-preview {
  position: relative;
  height: 88px;
  border-radius: 9px;
  border: 1px solid var(--c-line);
  overflow: hidden;
  background-color: var(--c-card-soft);
  background-image: radial-gradient(var(--c-bg-dot) 1px, transparent 1px);
  background-size: 14px 14px;
  display: grid;
  place-items: center;
}

.pcfg__bg-preview.has-image {
  background-size: cover;
  background-position: center;
}

.pcfg__bg-preview span {
  font-size: 12px;
  color: var(--c-text-3);
  background: var(--c-surface-focus);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-line);
}

.pcfg__bg-preview.has-image span {
  display: none;
}

.pcfg__bg-acts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
}

/* —— Logo —— */
.pcfg__logo {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.pcfg__logo-preview {
  width: 56px;
  height: 56px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #24c8f5 0%, #1a8df0 100%);
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 12px rgba(26, 141, 240, 0.35);
}

.pcfg__logo-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

/* —— 表单行 —— */
.pcfg__row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.pcfg__row > span {
  font-size: 13px;
  color: var(--c-text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pcfg__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}

.pcfg__grid .pcfg__row {
  grid-template-columns: 84px minmax(0, 1fr);
}

.pcfg__row input[type='text'] {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--c-line);
  border-radius: 7px;
  background: var(--c-surface-soft);
  color: var(--c-text);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.pcfg__row input[type='text']:focus {
  border-color: var(--c-accent);
  background: var(--c-surface-focus);
}

/* —— 阅读排版：两个滑块 —— */
.pcfg__range {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pcfg__row--range {
  grid-template-columns: 78px minmax(0, 1fr) 48px;
}

.pcfg__row--range input[type='range'] {
  width: 100%;
  height: 4px;
  margin: 0;
  border-radius: 999px;
  background: var(--c-line);
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  cursor: pointer;
}

.pcfg__row--range input[type='range']::-webkit-slider-thumb {
  width: 15px;
  height: 15px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 1px 4px rgba(20, 177, 239, 0.45);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.pcfg__row--range input[type='range']::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--c-accent);
  cursor: pointer;
}

.pcfg__row--range em {
  font-style: normal;
  font-size: 12px;
  text-align: right;
  color: var(--c-text-2);
  font-variant-numeric: tabular-nums;
}

.pcfg__btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pcfg__btn {
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: 7px;
  background: var(--c-surface-soft);
  color: var(--c-text-2);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease),
    background-color 0.16s var(--ease);
}

.pcfg__btn:hover {
  color: var(--c-text);
  border-color: var(--c-line-strong);
  background: var(--c-surface-focus);
}

.pcfg__btn--accent {
  border-color: transparent;
  background: var(--c-accent-soft);
  color: var(--c-accent-strong);
  font-weight: 500;
}

.pcfg__hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-text-3);
}

@media (max-width: 720px) {
  .pcfg__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pcfg__bg {
    grid-template-columns: minmax(0, 1fr);
  }
}