/* ――― Device Settings Page ――― */
.ds-wrapper {
  max-width: var(--width-xxxl);
  padding: var(--padding-base) var(--padding-lg) var(--padding-xxl);
}

/* ――― Section Tabs ――― */
.ds-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--margin-base);
}

.ds-tab {
  align-items: center;
  background: var(--input-bg);
  border: var(--border-style-main);
  border-radius: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-body);
  font-size: 0.88rem;
  gap: 0.4rem;
  padding: 0.45rem 0.7rem;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.ds-tab i {
  font-size: 0.9rem;
}

.ds-tab:hover {
  border-color: var(--main-fg);
  color: var(--text-color);
}

.ds-tab.active {
  background: var(--main-fg);
  border-color: var(--main-fg);
  color: var(--color-black);
}

/* ――― Search / Filter ――― */
.ds-search-row {
  align-items: center;
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--margin-lg);
}

.ds-search {
  background-color: var(--input-bg);
  border: var(--border-style-input);
  border-radius: var(--border-radius-lg);
  box-sizing: border-box;
  color: var(--text-color);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  margin-bottom: 0;
  outline: none;
  padding: var(--padding-sm) var(--padding-base);
  transition: box-shadow var(--transition-fast);
  width: 100%;
  flex: 1;
}

.ds-search:focus {
  box-shadow: 0 0 0 2px var(--main-fg);
}

.ds-search-clear {
  background: var(--input-bg);
  border: var(--border-style-main);
  border-radius: var(--border-radius-base);
  color: var(--text-color);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  min-width: 4.75rem;
  padding: 0.6rem 0.8rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.ds-search-clear:hover {
  background: var(--main-fg);
  border-color: var(--main-fg);
  color: var(--color-black);
}

/* ――― Section Cards ――― */
.ds-section {
  background-color: var(--secondary-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--margin-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.ds-section:hover {
  box-shadow: var(--shadow-md);
}

.ds-section-header {
  align-items: center;
  background-color: var(--input-bg);
  display: flex;
  justify-content: space-between;
  padding: var(--padding-sm) var(--padding-base);
  user-select: none;
}

.ds-static-header {
  cursor: default;
}

.ds-section-header i {
  color: var(--main-fg);
  font-size: var(--font-size-lg);
  margin-right: var(--margin-sm);
  min-width: 1.5rem;
  text-align: center;
}

.ds-section-title {
  color: var(--text-color);
  flex: 1;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}

.ds-section-chevron {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  transition: transform var(--transition-fast);
}

.ds-section.collapsed .ds-section-chevron {
  transform: rotate(-90deg);
}

.ds-section-body {
  max-height: 100000px;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}

.ds-section.collapsed .ds-section-body {
  max-height: 0;
}

/* ――― Individual Toggle Rows ――― */
.ds-row {
  align-items: center;
  border-top: 1px solid var(--sidebar-border-color);
  display: flex;
  justify-content: space-between;
  padding: var(--padding-sm) var(--padding-base);
  transition: background-color var(--transition-fast);
}

.ds-row:hover {
  background-color: var(--sidebar-active-bg);
}

.ds-row-label {
  color: var(--text-color);
  flex: 1;
  font-size: var(--font-size-sm);
  margin-right: var(--margin-base);
}

.ds-row-desc {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-top: 0.25rem;
  line-height: 1.3;
  white-space: pre-line;
}

/* ――― Child Row Modifier (Sub-menus) ――― */
.ds-child-modifier {
  border-left: 2px solid var(--color-gray-200);
  margin-left: 1rem;
  padding-left: 1rem;
}

.ds-manage-btn {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-gray-200);
  border: 1px solid var(--color-gray-300);
  border-radius: 1rem;
  color: var(--main-fg);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 0.6rem;
  padding: 0.25rem 0.75rem;
  transition: all var(--transition-fast);
  user-select: none;
  width: fit-content;
}

.ds-manage-btn:hover {
  background-color: var(--color-gray-300);
}

.ds-manage-btn i {
  margin-left: 0.3rem;
}

/* ――― Toggle Switch ――― */
.ds-toggle {
  appearance: none;
  background-color: var(--track-color);
  border: none;
  border-radius: 1rem;
  flex-shrink: 0;
  height: 1.5rem;
  outline: none;
  position: relative;
  transition: background-color var(--transition-fast);
  width: 2.75rem;
}

.ds-toggle::after {
  background-color: var(--color-gray-300);
  border-radius: 50%;
  content: "";
  height: 1.1rem;
  left: 0.2rem;
  position: absolute;
  top: 0.2rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  width: 1.1rem;
}

.ds-toggle:checked {
  background-color: var(--main-fg);
}

.ds-select {
  appearance: none;
  background-color: var(--color-gray-950);
  border: 1px solid var(--track-color);
  border-radius: 0.5rem;
  color: var(--color-gray-200);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.5rem 2rem 0.5rem 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
  max-width: 250px;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/200.svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1em;
}

.ds-select:hover {
  border-color: var(--color-gray-500);
}

.ds-select:focus {
  border-color: var(--main-fg);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
  outline: none;
}

.ds-toggle:checked::after {
  background-color: var(--color-white);
  transform: translateX(1.25rem);
}

.ds-toggle:disabled {
  opacity: var(--disabled-opacity);
}

/* ――― Loading State ――― */
.ds-loading {
  color: var(--text-muted);
  padding: var(--padding-xl);
  text-align: center;
}

.ds-status-bar {
  align-items: center;
  color: var(--text-muted);
  display: flex;
  font-size: var(--font-size-xs);
  gap: var(--gap-sm);
  justify-content: space-between;
  margin-bottom: var(--margin-sm);
}

/* ――― Empty Filter State ――― */
.ds-empty {
  color: var(--text-muted);
  font-style: italic;
  padding: var(--padding-lg);
  text-align: center;
}

/* ――― Custom Range Slider ――― */
.ds-row-numeric {
  align-items: flex-start;
  flex-direction: column;
}

.ds-row-info {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--margin-sm);
  width: 100%;
}

.ds-row-value {
  background-color: var(--sidebar-bg);
  border: var(--border-style-main);
  border-radius: var(--border-radius-base);
  color: var(--text-color);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  padding: 0.2rem 0.6rem;
}

.ds-stepper-container {
  width: 100%;
}

@media (min-width: 768px) {
  .ds-stepper-container {
    max-width: 350px;
  }
}

.ds-stepper {
  align-items: center;
  background: var(--input-bg);
  border: var(--border-style-main);
  border-radius: var(--border-radius-base);
  display: grid;
  gap: var(--gap-sm);
  grid-template-columns: 56px 1fr 56px;
  padding: 0.45rem;
}

.ds-stepper-meta {
  align-items: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  font-size: var(--font-size-xs);
  gap: 0.1rem;
  justify-content: center;
  min-height: 2rem;
  text-align: center;
}

.ds-default-value {
  color: var(--text-color);
  font-weight: var(--font-weight-semibold);
}

.ds-step-value {
  color: var(--text-muted);
}

.ds-manual-row {
  align-items: center;
  display: flex;
  gap: 0.35rem;
  margin-top: 0.15rem;
  width: 100%;
}

.ds-manual-input {
  background: var(--sidebar-bg);
  border: var(--border-style-main);
  border-radius: var(--border-radius-sm);
  color: var(--text-color);
  flex: 1;
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  min-width: 0;
  padding: 0.22rem 0.35rem;
}

.ds-manual-input:focus {
  border-color: var(--main-fg);
  outline: none;
}

.ds-apply-btn {
  background: transparent;
  border: var(--border-style-main);
  border-radius: var(--border-radius-sm);
  color: var(--text-color);
  cursor: pointer;
  font-size: var(--font-size-xs);
  padding: 0.2rem 0.45rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.ds-apply-btn:hover:not(:disabled) {
  background: var(--main-fg);
  border-color: var(--main-fg);
  color: var(--color-black);
}

.ds-apply-btn:disabled {
  cursor: not-allowed;
  opacity: var(--disabled-opacity);
}

.ds-reset-btn {
  background: transparent;
  border: var(--border-style-main);
  border-radius: var(--border-radius-sm);
  color: var(--text-color);
  cursor: pointer;
  font-size: var(--font-size-xs);
  margin-top: 0.15rem;
  padding: 0.2rem 0.45rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.ds-reset-btn:hover:not(:disabled) {
  background: var(--main-fg);
  border-color: var(--main-fg);
  color: var(--color-black);
}

.ds-reset-btn:disabled {
  cursor: not-allowed;
  opacity: var(--disabled-opacity);
}

.ds-stepper-btn {
  align-items: center;
  background: var(--sidebar-bg);
  border: var(--border-style-main);
  border-radius: var(--border-radius-base);
  color: var(--text-color);
  cursor: pointer;
  display: inline-flex;
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  height: 2.1rem;
  justify-content: center;
  line-height: 1;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.ds-stepper-btn:hover:not(:disabled) {
  background: var(--main-fg);
  border-color: var(--main-fg);
  color: var(--color-black);
  transform: translateY(-1px);
}

.ds-stepper-btn:disabled {
  cursor: not-allowed;
  opacity: var(--disabled-opacity);
}

/* ――― Mobile ――― */
@media only screen and (max-width: 768px) and (orientation: portrait) {
  .ds-wrapper {
    padding: var(--padding-sm) var(--padding-base) var(--padding-xl);
  }

  .ds-search-row {
    align-items: stretch;
    flex-direction: column;
  }

  .ds-search-clear {
    width: 100%;
  }

  .ds-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
  }

  .ds-tabs::-webkit-scrollbar {
    display: none;
  }
}