/* layout.css
   Paginastructuur: linkse zijnavigatie, topbar met zoekbalk, hoofdinhoud,
   footer. Deze shell (sidebar + topbar) is identiek op elke pagina van
   de site — enkel de <main>-inhoud verschilt per pagina. */

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ---------- Zijnavigatie ---------- */

.sidebar {
  width: 264px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-bg-elevated);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: background-color var(--transition-med), border-color var(--transition-med);
}

.sidebar__logo .logo-mark {
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(160, 90, 34, 0.3));
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

/* Wordmark: "Guitar" in tekstkleur, "Player" in merk-gradient */
.sidebar__wordmark em {
  font-style: normal;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-link__icon {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.75;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

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

.nav-link:hover .nav-link__icon {
  opacity: 1;
  transform: scale(1.08);
}

.nav-link.is-active {
  background-color: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-weight: 600;
}

.nav-link.is-active .nav-link__icon {
  opacity: 1;
}

/* Accentstreepje links naast het actieve item */
.nav-link.is-active::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  translate: 0 -50%;
  width: 3.5px;
  height: 60%;
  border-radius: 999px;
  background: var(--gradient-accent);
}

.sidebar__theme-toggle {
  width: 100%;
  justify-content: center;
}

/* ---------- Hoofdinhoud + topbar ---------- */

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

.topbar {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background-color: color-mix(in srgb, var(--color-bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  z-index: 10;
}

main {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.site-footer {
  text-align: center;
  padding: var(--space-3);
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--color-border);
}

.site-footer__link {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer__link:hover {
  color: var(--color-accent);
}

/* ---------- Zoekbalk ---------- */

.search {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.search__icon {
  position: absolute;
  left: 12px;
  top: 50%;
  translate: 0 -50%;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--color-text-muted);
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}

.search input[type="search"] {
  width: 100%;
  padding: var(--space-2) 44px var(--space-2) 38px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-elevated);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search input[type="search"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 22%, transparent);
}

/* Sneltoets-hint: druk "/" om te zoeken (zie searchBar.js) */
.search__kbd {
  position: absolute;
  right: 12px;
  top: 50%;
  translate: 0 -50%;
  padding: 1px 7px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-bg-sunken);
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  pointer-events: none;
}

.search__results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  max-height: 320px;
  overflow-y: auto;
  z-index: 20;
}

.search__result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.search__result:hover {
  background-color: var(--color-bg-sunken);
}

.search__result-type {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.search__empty {
  margin: 0;
  padding: var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Responsive: sidebar wordt een horizontale balk ---------- */

@media (max-width: 768px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    padding: var(--space-2) var(--space-3);
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .sidebar__nav {
    flex-direction: row;
    flex: none;
    gap: var(--space-1);
  }

  /* Op smalle schermen tonen de nav-items enkel hun icoon */
  .nav-link span {
    display: none;
  }

  .nav-link {
    padding: var(--space-2);
  }

  .nav-link.is-active::before {
    left: 50%;
    top: auto;
    bottom: -2px;
    translate: -50% 0;
    width: 60%;
    height: 3px;
  }

  .sidebar__logo {
    white-space: nowrap;
    font-size: 1.05rem;
    padding: 0;
  }

  .sidebar__theme-toggle {
    width: auto;
    margin-left: auto;
    white-space: nowrap;
  }

  .sidebar__theme-toggle span {
    display: none;
  }

  .topbar {
    padding: var(--space-3);
  }

  .search__kbd {
    display: none;
  }
}