/* Settings — compact, sober, modern with subtle motion */

.settings-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.settings-modal.hidden {
  display: none;
}

body.settings-modal-open {
  overflow: hidden;
}

.settings-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 7, 8, 0.5);
  backdrop-filter: blur(4px);
}

.settings-modal-panel {
  position: relative;
  z-index: 1;
  width: min(820px, calc(100vw - 28px));
  height: min(560px, calc(100vh - 48px));
  max-height: min(560px, calc(100vh - 48px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
  background: var(--surface);
}

.settings-modal:not(.hidden) .settings-modal-panel {
  animation: settingsModalIn 220ms var(--ease-out);
}

@keyframes settingsModalIn {
  from {
    opacity: 0;
    transform: scale(0.98) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.settings-modal-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-elev);
}

.settings-modal-title {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.settings-modal-kicker {
  margin: 0;
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.settings-modal-title h2 {
  margin: 0;
  font-size: var(--fs-title);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-tight);
  color: var(--text);
  line-height: 1.2;
}

.settings-modal-close {
  flex: 0 0 auto;
}

.settings-modal-body {
  min-height: 0;
  flex: 1 1 auto;
  overflow: hidden;
  padding: 0;
}

.settings-view {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  width: 100%;
  min-height: 0;
  height: 100%;
  box-sizing: border-box;
}

/* —— Side rail —— */

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
  overflow: auto;
  padding: 10px 8px;
  border-right: 1px solid var(--border-soft);
  background: var(--bg-elev);
}

.settings-nav-label {
  margin: 0 8px 6px;
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.settings-nav-btn {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 0;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  text-align: left;
  padding: 8px 10px;
  cursor: pointer;
  transition:
    color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.settings-nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: inherit;
  opacity: 0.75;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.settings-nav-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.settings-nav-name {
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-snug);
  color: inherit;
  line-height: 1.25;
}

.settings-nav-btn:hover {
  color: var(--text-muted);
}

.settings-nav-btn:hover .settings-nav-icon {
  opacity: 0.75;
}

.settings-nav-btn.is-active {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-2));
  border-left-color: var(--accent);
}

.settings-nav-btn.is-active .settings-nav-icon {
  opacity: 1;
}

.settings-nav-btn.is-active .settings-nav-name {
  font-weight: var(--fw-semi);
}

.settings-nav-btn.hidden {
  display: none;
}

/* —— Content —— */

.settings-panels {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  padding: 0;
  background: var(--surface);
}

.settings-panel {
  min-height: 100%;
}

.settings-panel.hidden {
  display: none;
}

.settings-panel:not(.hidden) {
  animation: settingsPanelIn 200ms var(--ease-out);
}

@keyframes settingsPanelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  min-height: 100%;
}

.settings-panel-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  flex: 0 0 auto;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border-soft);
}

.settings-panel-head h3 {
  margin: 0;
  font-size: var(--fs-title);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-snug);
  color: var(--text);
  line-height: 1.25;
}

.settings-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.settings-lead {
  margin: 0;
  font-size: var(--fs-caption);
  font-weight: var(--fw-regular);
  line-height: 1.4;
  color: var(--text-muted);
}

.settings-lead strong {
  color: var(--text);
  font-weight: var(--fw-medium);
}

/* Split columns */

.settings-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  flex: 1 1 auto;
  min-height: 0;
  align-items: stretch;
  border: 0;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  padding: 14px 16px;
}

.settings-split-form {
  grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
}

.settings-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  min-height: 0;
  padding: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.settings-block:hover {
  border-color: var(--border-soft);
}

.settings-block-head,
.settings-group-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.settings-block-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  color: var(--text-muted);
  flex: 0 0 auto;
}

.settings-block-title {
  margin: 0;
  font-size: 11px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.settings-block-note {
  margin: 2px 0 0;
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-faint);
}
html[data-theme="light"] .settings-modal-backdrop {
  background: rgba(20, 21, 24, 0.32);
}

html[data-theme="light"] .settings-nav {
  background: var(--bg-elev);
}

/* —— Responsive —— */

@media (max-width: 860px) {
  .settings-modal {
    padding: 0;
    align-items: stretch;
  }

  .settings-modal-panel {
    width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .settings-view {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .settings-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 6px 5px;
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
    scrollbar-width: none;
  }

  .settings-nav::-webkit-scrollbar {
    display: none;
  }

  .settings-nav-label {
    display: none;
  }

  .settings-nav-btn {
    width: auto;
    flex: 0 0 auto;
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 7px 10px;
  }

  .settings-nav-btn.is-active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
    background: transparent;
  }

  .settings-panels {
    padding: 0;
  }

  .settings-panel-head {
    padding: 12px 14px 10px;
  }

  .settings-split,
  .settings-split-form {
    grid-template-columns: 1fr;
    padding: 12px 14px;
  }

  .settings-block {
    padding: 10px 12px;
  }
}