/* Settings page layout. Shared variables live in styles.css. */
.settings-body {
  display: block;
  min-height: 100vh;
}

.settings-topbar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 10;
}

.settings-topbar a.back {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem 0.35rem 0.5rem;
  margin-left: -0.5rem;
  border-radius: 999px;
  transition: background 0.15s;
}

.settings-topbar a.back:hover { background: var(--card-bg); text-decoration: none; }

.settings-topbar h1 {
  font-size: 1.05rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.settings-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 0;
  max-width: 1024px;
  margin: 0 auto;
  min-height: calc(100vh - 56px);
}

.settings-nav {
  border-right: 1px solid var(--card-border);
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  position: sticky;
  top: 56px;
  align-self: start;
  min-height: calc(100vh - 56px);
}

.settings-nav button {
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  font-size: 0.93rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.settings-nav button:hover { background: var(--card-bg); }

.settings-nav button[aria-selected="true"] {
  background: var(--card-bg);
  border-color: var(--card-border);
  font-weight: 650;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.settings-content {
  padding: 1.75rem 1.75rem 3rem;
  min-width: 0;
  max-width: 720px;
}

.settings-section[hidden] { display: none; }

.settings-section { animation: section-in 0.22s cubic-bezier(0.2, 0, 0, 1); }

@keyframes section-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.settings-section h2 { margin: 0 0 0.3rem; font-size: 1.4rem; letter-spacing: -0.02em; }
.settings-section p.desc {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.2rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.field { margin-bottom: 1rem; }
.field:last-child { margin-bottom: 0; }

.field label.label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.field input[type="text"],
.field input[type="url"],
.field select {
  width: 100%;
  max-width: 420px;
  padding: 0.65rem 0.85rem;
  font-size: 0.94rem;
  border-radius: 12px;
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--field-text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus, .field select:focus { border-color: var(--focus-border); box-shadow: 0 0 0 3px var(--focus-ring); }

.field input[type="range"] {
  width: 100%;
  max-width: 420px;
  accent-color: var(--accent);
}

.check-row input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
}

.radio-row, .check-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.25rem;
  font-size: 0.94rem;
  border-radius: 10px;
  cursor: pointer;
}

.radio-row:hover, .check-row:hover { background: var(--bg); }

.engine-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.engine-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.7rem;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.engine-item:hover { background: var(--bg); border-color: var(--card-border); }

.engine-item input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  flex: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-text);
  border-radius: 12px;
  padding: 0.6rem 1.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s, transform 0.12s, background 0.15s;
}

.btn:hover { filter: brightness(0.97); }
.btn:active { transform: scale(0.97); }

.btn.secondary {
  background: var(--field-bg);
  color: var(--text);
  border-color: var(--card-border);
}

.btn.secondary:hover { background: var(--bg); }

.btn.danger {
  background: transparent;
  color: #d93025;
  border-color: rgba(217, 48, 37, 0.5);
}

.btn.danger:hover { background: rgba(217, 48, 37, 0.1); border-color: #d93025; }

.btn-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.75rem; }

.bookmark-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.25rem;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.92rem;
}

.bookmark-row:last-child { border-bottom: none; }

.bookmark-row img { width: 22px; height: 22px; border-radius: 6px; flex: none; }

.bookmark-row .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bookmark-row .grow small { display: block; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; }

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--text);
  color: var(--bg);
  padding: 0.6rem 1.15rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 550;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s, transform 0.22s;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 700px) {
  .settings-layout { grid-template-columns: 1fr; }
  .settings-nav {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 55px;
    min-height: 0;
    padding: 0.75rem;
    background: var(--bg);
    z-index: 5;
  }
  .settings-nav button { white-space: nowrap; }
  .settings-content { padding: 1.25rem 1rem 3rem; max-width: none; }
}