/* tool/web/stijl/schermen.css
   Layout van de vaste schil: sidenav, topbar, hoofdkolom, voetregel, plus de
   aanmeldpagina (watermerk + constellation-veld). */

#app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--papier);
}

.sidenav {
  width: var(--sidenav-breedte);
  flex-shrink: 0;
  background: var(--papier-2);
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
}

.merk { min-height: 28px; padding: 4px 8px 20px; }
.merk-lockup { display: inline-flex; align-items: center; gap: 0.33em; height: 28px; color: var(--inkt); margin-bottom: 6px; }
/* .merksub in .mono-label-stijl (opdracht-punt 1): zelfde eigenschappen als
   .mono-label, hier letterlijk herhaald zodat het element zijn eigen klasse
   houdt (geen tweede klasse nodig op het element in index.html). */
.merksub { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.08em; color: var(--inkt-3); }

.navlijst { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.navgroep-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--inkt-3);
  padding: 12px 8px 4px;
}

/* Link-lijn: het intekenende azul-onderstreepje. Actief = ingetekend + accent. */
.navlijst a,
.link-lijn {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size 200ms ease-out, color 200ms ease-out;
}
.navlijst a:hover, .navlijst a.actief,
.link-lijn:hover, .link-lijn.actief { background-size: 100% 2px; }

.navlijst a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  text-decoration: none;
  color: var(--inkt);
  font-size: 13px;
}
.navlijst a.actief { color: var(--accent); font-weight: 600; }
.navdot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hairline);
  flex-shrink: 0;
}
.navlijst a.actief .navdot { background: var(--accent); }

.sidenav-voet {
  color: var(--inkt-3);
  font-size: 11px;
  padding: 8px;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 24px;
  background: var(--papier);
  border-bottom: 1px solid var(--nevel); /* subtiele onderrand, azul-87-familie */
}
.schermtitel span { font-family: var(--font-heading); font-weight: 500; letter-spacing: -0.02em; font-size: 18px; }

.topbar-rechts { display: flex; align-items: center; gap: 12px; }
.gebruikerbadge { display: flex; align-items: center; gap: 10px; font-size: 13px; }

.thema-knop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: var(--vlak-hoog);
  color: var(--inkt-2);
  cursor: pointer;
  transition: border-color 200ms ease-out, color 200ms ease-out;
}
.thema-knop:hover { border-color: var(--accent); color: var(--accent); }

.badge-initialen {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--cta-tekst);
  font-size: 12px;
  font-weight: 600;
}

#app-view {
  flex: 1;
  width: 100%;
  max-width: 1152px;
  margin: 0 auto;
  padding: 24px;
  overflow-x: auto;
}

.footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 24px;
  color: var(--inkt-3);
  font-size: 12px;
  border-top: 1px solid var(--hairline);
  background: var(--papier);
}

/* --- Aanmeldpagina --------------------------------------------------------- */

.aanmeld-pagina {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--papier);
  overflow: hidden;
}

.constellation-veld {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

.watermerk {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(70vmin, 640px);
  opacity: 0.4;
  color: var(--accent);
  pointer-events: none;
  mask-image: radial-gradient(closest-side, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(closest-side, black 30%, transparent 78%);
}
.watermerk svg { display: block; width: 100%; height: auto; }

@media (max-width: 720px) {
  #app-shell { flex-direction: column; }
  .sidenav { width: 100%; flex-direction: row; overflow-x: auto; }
  .navlijst { flex-direction: row; }
  .navgroep-label { display: none; }
}