/* Shared layout styles — extracted from public + app inline <style> blocks */

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* Explicit scroll container on html so position:sticky works throughout the app */
html { overflow-y: scroll; }

/* Body base (line-height set per-layout since public=1.6, app=1.5) */
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  background: var(--bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .logo {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-primary);
  text-decoration: none;
}

.site-header .header-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Nav links */
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.375rem 0.5rem;
  border-radius: 4px;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

/* Main content */
.site-main { flex: 1; }

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-default);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.875rem;
  margin-top: auto;
}

.site-footer .container {
  padding-top: 0;
  padding-bottom: 0;
}

/* General settings page */
.general-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}
.general-page .page-header {
  margin-bottom: 2rem;
}
.general-page .page-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
}
.gs-section {
  margin-bottom: 2.5rem;
}
.gs-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-default);
}
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}
.setting-label {
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.setting-description {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}
.gs-toggle {
  flex-shrink: 0;
  width: 44px;
  height: 24px;
  background: var(--border-strong);
  border-radius: 12px;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: background 0.2s;
}
.gs-toggle-on {
  background: var(--link-color);
}
.gs-toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
  display: block;
}
.gs-toggle-on .gs-toggle-knob {
  transform: translateX(20px);
}

/* ── Left application sidenav ── */

.site-main--with-sidenav {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  padding-bottom: 0;
}

.app-sidenav {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  width: 44px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.75rem;
  gap: 0.25rem;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-default);
  z-index: 10;
}

@media (max-width: 768px) {
  .app-sidenav {
    display: none;
  }
}

.app-sidenav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  position: relative;
}

.app-sidenav__link[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
  background: var(--text-primary);
  color: var(--bg-page);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.08s, transform 0.08s;
  z-index: 200;
}

.app-sidenav__link[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.app-sidenav__label {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.app-sidenav__link svg {
  transition: transform 0.15s ease, opacity 0.15s;
  opacity: 0.6;
  flex-shrink: 0;
}

.app-sidenav__link:hover {
  background: color-mix(in srgb, var(--link-color) 10%, transparent);
  color: var(--link-color);
}

.app-sidenav__link:hover svg {
  transform: scale(1.15);
  opacity: 1;
}

.app-sidenav__link--active {
  background: color-mix(in srgb, var(--link-color) 15%, transparent);
  color: var(--link-color);
  box-shadow: inset 2px 0 0 var(--link-color);
}

.app-sidenav__link--active svg {
  opacity: 1;
}

.app-content {
  flex: 1;
  min-width: 0;
}