/* ============================================================
   Settings page — full-screen overlay, sidebar + content
   Reuses theme tokens (--bg, --fg, --accent, --line) so it
   re-skins automatically with every theme.
   ============================================================ */

.settings-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: color-mix(in srgb, #000 56%, transparent);
  backdrop-filter: blur(6px);
  display: flex; align-items: stretch; justify-content: center;
  padding: 32px;
  animation: settings-fade 0.18s ease-out;
}
@keyframes settings-fade { from { opacity: 0; } to { opacity: 1; } }

.settings-page {
  width: 100%; max-width: 1180px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line-2);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: settings-rise 0.22s cubic-bezier(.2,.8,.2,1);
}
@keyframes settings-rise {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Header */
.settings-header {
  position: relative;
  padding: 28px 36px 22px;
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
}
.settings-header-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em;
  color: var(--fg-faint);
}
.settings-header-title {
  font-family: var(--display, 'Archivo Black'), 'Pretendard', sans-serif;
  font-size: 36px; line-height: 1; letter-spacing: -0.01em;
  color: var(--fg);
}
.settings-close {
  position: absolute; top: 22px; right: 24px;
  width: 36px; height: 36px;
  background: transparent; color: var(--fg);
  border: 1px solid var(--line-2);
  font-size: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
.settings-close:hover { background: var(--bg-2); border-color: var(--accent); color: var(--accent); }

/* Body grid */
.settings-body {
  flex: 1;
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 0;
}

/* Sidebar */
.settings-sidebar {
  border-right: 1px solid var(--line);
  padding: 16px 0;
  display: flex; flex-direction: column;
  background: var(--bg-2);
  overflow-y: auto;
}
.settings-nav-item {
  appearance: none; background: transparent; border: none;
  text-align: left; padding: 12px 22px;
  display: flex; flex-direction: column; gap: 2px;
  cursor: pointer;
  border-left: 2px solid transparent;
  color: var(--fg);
  transition: background 0.12s, border-color 0.12s;
}
.settings-nav-item:hover { background: var(--bg-3); }
.settings-nav-item.is-active {
  background: var(--bg);
  border-left-color: var(--accent);
}
.settings-nav-label {
  font-weight: 700; font-size: 14px;
}
.settings-nav-hint {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  color: var(--fg-faint);
  text-transform: uppercase;
}

/* Content */
.settings-content {
  padding: 28px 40px 48px;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 36px;
}

/* Section */
.settings-section {}
.settings-section-head {
  display: flex; gap: 16px; align-items: flex-start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.settings-section-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--fg-faint);
  padding-top: 6px;
}
.settings-section-title {
  font-family: var(--display, 'Archivo Black'), 'Pretendard', sans-serif;
  font-size: 22px; letter-spacing: -0.01em;
  color: var(--fg);
}
.settings-section-sub {
  margin-top: 4px;
  font-size: 13px;
  color: var(--fg-dim);
}

/* Row layout */
.settings-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px; align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.settings-row:last-child { border-bottom: 0; }
.settings-row-label {
  font-size: 14px; font-weight: 600;
  color: var(--fg);
}
.settings-row-hint {
  margin-top: 2px;
  font-size: 12px; color: var(--fg-dim);
}

/* Segmented */
.settings-segmented {
  display: inline-flex;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
}
.settings-seg-opt {
  appearance: none; background: transparent; border: none;
  padding: 8px 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  cursor: pointer;
  border-right: 1px solid var(--line);
  transition: background 0.12s, color 0.12s;
}
.settings-seg-opt:last-child { border-right: 0; }
.settings-seg-opt:hover { color: var(--fg); }
.settings-seg-opt.is-active {
  background: var(--accent);
  color: var(--bg);
}

/* Toggle */
.settings-toggle {
  appearance: none; border: none;
  width: 44px; height: 24px;
  border-radius: 999px;
  background: var(--bg-3);
  position: relative; cursor: pointer;
  transition: background 0.18s;
}
.settings-toggle-knob {
  position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: var(--fg);
  border-radius: 50%;
  transition: transform 0.18s, background 0.18s;
}
.settings-toggle.is-on { background: var(--accent); }
.settings-toggle.is-on .settings-toggle-knob {
  transform: translateX(20px);
  background: var(--bg);
}

/* Theme grid */
.settings-theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 900px) {
  .settings-theme-grid { grid-template-columns: repeat(2, 1fr); }
  .settings-body { grid-template-columns: 180px 1fr; }
}
.settings-theme-card {
  appearance: none; border: 1px solid var(--line-2);
  background: var(--bg-2);
  padding: 12px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
  text-align: left;
  color: var(--fg);
}
.settings-theme-card:hover {
  border-color: var(--accent);
}
.settings-theme-card.is-active {
  border-color: var(--accent);
  background: var(--bg-3);
}
.settings-theme-chip {
  position: relative;
  width: 56px; height: 40px; flex: 0 0 auto;
  border: 1px solid var(--line-2);
  overflow: hidden;
}
.settings-theme-meta {
  display: flex; flex-direction: column; gap: 2px;
  min-width: 0;
}
.settings-theme-label {
  font-weight: 700; font-size: 14px;
}
.settings-theme-sub {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  color: var(--fg-faint);
  text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.settings-theme-check {
  position: absolute; top: 8px; right: 10px;
  font-family: var(--mono); color: var(--accent);
  font-size: 14px;
}

/* Buttons */
.settings-btn-row {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.settings-btn {
  appearance: none;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  color: var(--fg);
  padding: 8px 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.settings-btn:hover {
  border-color: var(--accent); color: var(--accent);
}
.settings-btn--strava {
  background: #FC4C02;
  border-color: #FC4C02;
  color: #FFFFFF;
}
.settings-btn--strava:hover {
  background: #E64402; border-color: #E64402; color: #FFFFFF;
}
.settings-btn--danger {
  border-color: rgba(255, 60, 80, 0.6);
  color: #E11D48;
}
.settings-btn--danger:hover {
  background: rgba(225, 29, 72, 0.08);
  border-color: #E11D48;
  color: #E11D48;
}

/* Account card */
.settings-account-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-bottom: 18px;
}
.settings-account-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  font-family: var(--mono); letter-spacing: 0.05em;
}
.settings-account-name {
  font-weight: 700; font-size: 16px;
}
.settings-account-email {
  font-size: 13px; color: var(--fg-dim); margin-top: 2px;
}
.settings-account-bib {
  margin-top: 4px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--accent);
}

/* About */
.settings-about {
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.settings-about-row {
  display: flex; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.settings-about-row:last-child { border-bottom: 0; }
.settings-about-row span:first-child {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  color: var(--fg-faint); text-transform: uppercase;
}
.settings-about-row span:last-child {
  color: var(--fg); font-weight: 600;
}
.settings-credits {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-2);
  text-align: center;
}
.settings-credits-line {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em;
  color: var(--fg-faint);
}

/* Empty state */
.settings-empty {
  padding: 40px 24px;
  text-align: center;
  border: 1px dashed var(--line-2);
  color: var(--fg-dim);
}

/* Mobile */
@media (max-width: 720px) {
  .settings-overlay { padding: 0; }
  .settings-page { max-width: 100%; height: 100%; }
  .settings-body { grid-template-columns: 1fr; }
  .settings-sidebar {
    flex-direction: row; overflow-x: auto;
    border-right: 0; border-bottom: 1px solid var(--line);
    padding: 0;
  }
  .settings-nav-item {
    flex-shrink: 0;
    border-left: 0; border-bottom: 2px solid transparent;
    padding: 12px 16px;
  }
  .settings-nav-item.is-active {
    border-left: 0; border-bottom-color: var(--accent);
  }
  .settings-content { padding: 20px 18px 40px; }
  .settings-theme-grid { grid-template-columns: 1fr; }
  .settings-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}