/* Settings modal — V11-inspired; uses themes.css tokens */

.dc-settings-root {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  pointer-events: none;
}

.dc-settings-root[hidden] {
  display: none !important;
}

.dc-settings-root > * {
  pointer-events: auto;
}

.dc-settings-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dc-settings-modal {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 56rem;
  max-height: min(870px, calc(100vh - 32px));
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.12);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

html[data-theme="light"] .dc-settings-modal {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(15, 23, 42, 0.1);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}

html[data-theme="light"] .dc-settings-backdrop {
  background: rgba(15, 23, 42, 0.35);
}

html[data-theme="light"] .dc-settings-sidebar {
  background: #ffffff;
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

@media (min-width: 768px) {
  html[data-theme="light"] .dc-settings-sidebar {
    border-right-color: rgba(15, 23, 42, 0.08);
  }
}

html[data-theme="light"] .dc-settings-sidebar__head {
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

html[data-theme="light"] .dc-settings-nav__btn:hover {
  color: var(--dc-text-main);
  background: rgba(56, 189, 248, 0.06);
}

html[data-theme="light"] .dc-settings-nav__btn--active {
  color: var(--dc-primary);
  background: rgba(56, 189, 248, 0.12);
  box-shadow: inset 4px 0 0 var(--dc-primary);
}

html[data-theme="light"] .dc-settings-main__head {
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

html[data-theme="light"] .dc-settings-section-label--spaced {
  border-top-color: rgba(15, 23, 42, 0.08);
}

html[data-theme="light"] .dc-settings-theme-card {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.12);
}

html[data-theme="light"] .dc-settings-theme-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
}

html[data-theme="light"] .dc-settings-theme-card__meta {
  border-top-color: rgba(15, 23, 42, 0.08);
}

.dc-settings-modal__shell {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

@media (min-width: 768px) {
  .dc-settings-modal__shell {
    flex-direction: row;
    max-height: min(870px, calc(100vh - 32px));
  }
}

/* Sidebar */
.dc-settings-sidebar {
  display: flex;
  flex-direction: column;
  width: 100%;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  background: rgba(15, 23, 42, 0.5);
}

@media (min-width: 768px) {
  .dc-settings-sidebar {
    width: 16rem;
    flex-shrink: 0;
    border-bottom: none;
    border-right: 1px solid rgba(148, 163, 184, 0.1);
  }
}

.dc-settings-sidebar__head {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.dc-settings-sidebar__title {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--dc-primary);
  letter-spacing: -0.02em;
}

.dc-settings-sidebar__sub {
  margin: 0.35rem 0 0;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dc-text-muted);
}

.dc-settings-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.75rem 0;
  flex: 1;
  min-height: 0;
}

.dc-settings-nav__btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  border: none;
  background: transparent;
  color: var(--dc-text-muted);
  font-family: Inter, system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, color 0.15s ease;
}

.dc-settings-nav__btn:hover {
  color: var(--dc-text-main);
  background: rgba(148, 163, 184, 0.08);
}

.dc-settings-nav__btn--active {
  color: var(--dc-primary);
  background: rgba(56, 189, 248, 0.1);
  box-shadow: inset 3px 0 0 var(--dc-primary);
}

.dc-settings-nav__btn .material-symbols-outlined {
  font-size: 20px;
  opacity: 0.9;
}

.dc-settings-sidebar__version {
  padding: 1rem 1.5rem;
  margin-top: auto;
}

.dc-settings-sidebar__version-label {
  margin: 0 0 0.35rem;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dc-text-muted);
}

.dc-settings-sidebar__version-value {
  margin: 0;
  font-family: "Roboto Mono", ui-monospace, monospace;
  font-size: 10px;
  color: #5def8f;
}

html[data-theme="light"] .dc-settings-sidebar__version-value {
  color: #047857;
}

/* Main */
.dc-settings-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: rgba(2, 6, 23, 0.25);
}

html[data-theme="light"] .dc-settings-main {
  background: rgba(241, 245, 249, 0.5);
}

.dc-settings-main__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  flex-shrink: 0;
}

.dc-settings-main__h {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dc-text-main);
}

.dc-settings-main__sub {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--dc-text-muted);
  line-height: 1.45;
}

.dc-settings-close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--dc-text-muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.dc-settings-close:hover {
  color: var(--dc-text-main);
  background: rgba(148, 163, 184, 0.12);
}

html[data-theme="light"] .dc-settings-close:hover {
  background: rgba(56, 189, 248, 0.1);
}

.dc-settings-main__body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.dc-settings-placeholder {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--dc-text-muted);
  max-width: 36rem;
}

.dc-settings-section-label {
  margin: 0 0 1rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dc-primary);
}

.dc-settings-section-label--spaced {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

/* Theme cards */
.dc-settings-theme-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .dc-settings-theme-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.dc-settings-theme-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.45);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dc-settings-theme-card:hover {
  border-color: rgba(56, 189, 248, 0.45);
}

.dc-settings-theme-card--active {
  border-color: var(--dc-primary);
  border-width: 2px;
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.15);
}

html[data-theme="light"] .dc-settings-theme-card--active {
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.18);
}

.dc-settings-theme-card__preview {
  aspect-ratio: 16 / 10;
  padding: 0.75rem;
}

.dc-settings-theme-card__preview--light {
  background: #e2e8f0;
  background-image: linear-gradient(180deg, #cbd5e1 0%, #e2e8f0 40%);
}

.dc-settings-theme-card__preview--dark {
  background: #020617;
  background-image: linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

.dc-settings-theme-card__preview--system {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0;
}

.dc-settings-theme-card__preview--system::before,
.dc-settings-theme-card__preview--system::after {
  content: "";
  min-height: 100%;
}

.dc-settings-theme-card__preview--system::before {
  background: linear-gradient(180deg, #e2e8f0, #cbd5e1);
}

.dc-settings-theme-card__preview--system::after {
  background: linear-gradient(180deg, #0f172a, #020617);
}

.dc-settings-theme-card__meta {
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.dc-settings-theme-card__name {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dc-text-main);
}

.dc-settings-theme-card--active .dc-settings-theme-card__name {
  color: var(--dc-primary);
}

.dc-settings-theme-card__tag {
  display: block;
  margin-top: 0.25rem;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dc-text-muted);
}

.dc-settings-theme-card__check {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: var(--dc-primary);
  color: var(--dc-bg-base);
  font-size: 14px !important;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

html[data-theme="light"] .dc-settings-theme-card__check {
  color: #f8fafc;
}

.dc-settings-theme-card--active .dc-settings-theme-card__check {
  display: flex;
}

/* Toggles */
.dc-settings-toggles {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dc-settings-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(2, 6, 23, 0.35);
  cursor: pointer;
}

html[data-theme="light"] .dc-settings-toggle {
  background: rgba(255, 255, 255, 0.7);
}

.dc-settings-toggle--disabled {
  opacity: 0.72;
  cursor: default;
}

.dc-settings-toggle__text {
  min-width: 0;
}

.dc-settings-toggle__title {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dc-text-main);
}

.dc-settings-toggle__hint {
  display: block;
  margin-top: 0.2rem;
  font-size: 11px;
  color: var(--dc-text-muted);
  line-height: 1.35;
}

.dc-settings-toggle__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.dc-settings-switch {
  position: relative;
  flex-shrink: 0;
  width: 2.5rem;
  height: 1.35rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.35);
  transition: background 0.2s ease;
}

.dc-settings-toggle__input:checked + .dc-settings-switch {
  background: rgba(56, 189, 248, 0.35);
}

.dc-settings-toggle__input:checked + .dc-settings-switch .dc-settings-switch__knob {
  left: calc(100% - 1.1rem);
  background: var(--dc-primary);
}

.dc-settings-toggle__input:focus-visible + .dc-settings-switch {
  outline: 2px solid var(--dc-primary);
  outline-offset: 2px;
}

.dc-settings-switch__knob {
  position: absolute;
  top: 0.2rem;
  left: 0.2rem;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px;
  background: #94a3b8;
  transition: left 0.2s ease, background 0.2s ease;
}

.dc-settings-toggle__input:checked + .dc-settings-switch .dc-settings-switch__knob {
  background: var(--dc-primary);
}

/* Footer */
.dc-settings-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  flex-shrink: 0;
  background: rgba(2, 6, 23, 0.35);
}

html[data-theme="light"] .dc-settings-footer {
  background: rgba(241, 245, 249, 0.8);
  border-top-color: rgba(15, 23, 42, 0.08);
}

.dc-settings-btn {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.dc-settings-btn:active {
  transform: scale(0.98);
}

.dc-settings-btn--ghost {
  background: transparent;
  color: var(--dc-text-muted);
}

.dc-settings-btn--ghost:hover {
  color: var(--dc-text-main);
}

.dc-settings-btn--primary {
  background: linear-gradient(180deg, var(--dc-primary), var(--dc-primary-deep));
  color: #020617;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.25);
}

html[data-theme="light"] .dc-settings-btn--primary {
  background: linear-gradient(180deg, var(--dc-primary), var(--dc-primary-deep));
  color: #f8fafc;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.22);
}

.dc-settings-btn--primary:hover {
  filter: brightness(1.05);
}