:root {
  color-scheme: light;
  /* Kleuren van retleren.nl */
  --accent: #009ddb;       /* lichtblauw: accenten, focusrand, actieve tab */
  --brand: #00477f;        /* donkerblauw: knoppen, vlakken */
  --brand-hover: #003563;
  --brand-text: #00477f;   /* tekst in merkkleur: koppen, namen, randen */
  --on-brand: #ffffff;
  --ok: #28a745;
  --bg: #f4f6f9;
  --tint: #d4effc;
  --tint-text: #00477f;
  --card: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6d6e71;
  --red: #ed1a2d;
  --soft: #eef2f7;     /* lichte tint: invoervelden, hover */
  --border: #dee2e6;
  --divider: #d5dbe1;
  --line: #edf0f2;
  --idle: #b0bec5;
  --shadow: rgba(0, 0, 0, 0.08);
  --logo-filter: none;
}

/* Donkere modus: volgt het systeem, tenzij de gebruiker zelf licht kiest (data-theme). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --brand: #0a5fa3;
    --brand-hover: #1270bb;
    --brand-text: #6cc4ee;
    --bg: #0f1720;
    --tint: #123a5c;
    --tint-text: #d4effc;
    --card: #18222d;
    --text: #e8edf2;
    --text-muted: #94a1ad;
    --red: #ff5c66;
    --soft: #223040;
    --border: #2b3a4a;
    --divider: #34465a;
    --line: #243241;
    --idle: #5d6d75;
    --shadow: rgba(0, 0, 0, 0.45);
    --logo-filter: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --brand: #0a5fa3;
  --brand-hover: #1270bb;
  --brand-text: #6cc4ee;
  --bg: #0f1720;
  --tint: #123a5c;
  --tint-text: #d4effc;
  --card: #18222d;
  --text: #e8edf2;
  --text-muted: #94a1ad;
  --red: #ff5c66;
  --soft: #223040;
  --border: #2b3a4a;
  --divider: #34465a;
  --line: #243241;
  --idle: #5d6d75;
  --shadow: rgba(0, 0, 0, 0.45);
  --logo-filter: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

/* Header (gedeeld door alle pagina's) */
.header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 4px solid var(--accent);
}
.ret-logo { height: 36px; width: auto; filter: var(--logo-filter); }
.divider { width: 1px; height: 32px; background: var(--divider); }
.app-logo { width: 36px; height: 36px; }
.app-name { font-weight: 600; color: var(--brand-text); font-size: 17px; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}
.theme-toggle:hover { background: var(--soft); }
.nav { display: flex; gap: 4px; }
.nav a {
  color: var(--brand-text);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 18px;
  font-size: 14px;
  white-space: nowrap;
}
.nav a:hover { background: var(--soft); }
.nav a[aria-current="page"] { background: var(--brand); color: var(--on-brand); }

/* Inhoud */
.content {
  max-width: 720px;
  margin: 32px auto;
  padding: 0 16px;
  display: grid;
  gap: 20px;
}

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 1px 2px var(--shadow);
}
.card h2 { margin: 0 0 8px; font-size: 18px; color: var(--brand-text); }
.card p { margin: 0 0 12px; }

code {
  background: var(--tint);
  color: var(--tint-text);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 14px;
}

/* Statuskaart */
.status-card { border-left: 6px solid var(--ok); }
.status-card:has(.dot-error) { border-left-color: var(--red); }

.status-row { display: flex; align-items: center; gap: 16px; }
.status-title { margin: 0; font-size: 20px; }
.status-sub { margin: 2px 0 0; color: var(--text-muted); }

.dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--idle);
}
.dot-ok {
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.6);
  animation: pulse 2s infinite;
}
.dot-error { background: var(--red); }

@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(40, 167, 69, 0); }
  100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .dot-ok { animation: none; }
}

.status-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.status-details dt { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; }
.status-details dd { margin: 2px 0 0; font-weight: 600; }

/* Beschikbaarheid (UptimeRobot) */
.uptime-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.uptime-head h2 { margin: 0; }
.uptime-source { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; }
.card p.uptime-state { margin: 0; font-size: 17px; font-weight: 600; }
.uptime-events-title { margin: 18px 0 8px; font-size: 12px; font-weight: 400; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; }
.uptime-events { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.uptime-event { padding-left: 12px; border-left: 3px solid var(--idle); white-space: pre-wrap; }
.uptime-event-down { border-left-color: var(--red); }
.uptime-event-up { border-left-color: var(--accent); }

.hint { color: var(--text-muted); font-size: 14px; margin: 0; }

/* Telefoon */
@media (max-width: 600px) {
  .header { flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
  .ret-logo { height: 26px; }
  .divider { display: none; }
  .app-logo { width: 28px; height: 28px; }
  .app-name { font-size: 15px; }
  .header-actions { margin-left: 0; width: 100%; }
  .nav { flex: 1; }
  .nav a { flex: 1; text-align: center; padding: 7px 8px; }
  .content { margin: 20px auto; }
  .card { padding: 16px; }
}

/* ---------- Gedeelde knoppen en formulieren ---------- */
.btn-primary, .btn-secondary, .btn-link {
  border: 0;
  border-radius: 18px;
  padding: 9px 18px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-secondary { background: var(--soft); color: var(--text); }
.btn-link { background: none; color: var(--brand-text); padding: 6px 10px; }
.btn-link:hover { background: var(--soft); }
.btn-link.danger { color: var(--red); }
.form-error { color: var(--red); margin: 0; font-size: 14px; }
.form-ok { color: var(--brand-text); margin: 0; font-size: 14px; }

.stacked-form { display: flex; flex-direction: column; gap: 14px; }
.stacked-form label, .login-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-muted); }
.stacked-form input, .login-form input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 15px;
  background: var(--card);
  color: var(--text);
}
.stacked-form input:focus, .login-form input:focus { outline: 2px solid var(--accent); border-color: transparent; }

.password-field { position: relative; display: flex; }
.password-field input { flex: 1; padding-right: 70px; }
.show-password {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: var(--soft);
  color: var(--brand-text);
  border-radius: 12px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

/* ---------- Ingelogde gebruiker in de header ---------- */
.user-menu { display: flex; align-items: center; gap: 4px; }
.user-menu[hidden] { display: none; }
.user-name { font-size: 13px; color: var(--text-muted); white-space: nowrap; padding: 0 4px; }
.user-name .badge-type { margin-left: 4px; }
.logout-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 18px;
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.logout-btn:hover { background: var(--soft); }

.badge-type {
  font-size: 12px;
  border-radius: 10px;
  padding: 1px 8px;
  font-weight: 600;
  background: var(--soft);
  color: var(--text-muted);
}
.badge-type.admin { background: var(--brand); color: var(--on-brand); }

/* ---------- Inlogscherm ---------- */
.login-page { display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.login-wrap { width: 100%; max-width: 400px; }
.login-card { border-top: 6px solid var(--accent); padding: 28px; }
.login-logos { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.login-card h1 { margin: 0; font-size: 22px; color: var(--brand-text); }
.login-sub { color: var(--text-muted); margin: 4px 0 20px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-submit { padding: 11px; font-size: 15px; margin-top: 4px; }
.login-help { color: var(--text-muted); font-size: 13px; margin: 18px 0 0; text-align: center; }
.login-footer { display: flex; justify-content: space-between; align-items: center; margin: 14px 4px 0; font-size: 14px; }
.login-footer a { color: var(--brand-text); }

.account-details { margin-top: 8px; padding-top: 0; border-top: 0; }
.hint a { color: var(--brand-text); }
.optional { font-weight: 400; opacity: .8; }
#passwordCard .stacked-form { max-width: 420px; }

/* Header op smalle schermen: naam weglaten, compactere knoppen, zo nodig doorlopen. */
@media (max-width: 900px) {
  .user-name { display: none; }
}
@media (max-width: 600px) {
  .header-actions { flex-wrap: wrap; row-gap: 8px; }
  .nav { flex: 1 1 auto; }
  .nav a { padding: 7px 6px; font-size: 13px; }
  .logout-btn { padding: 6px 10px; }
}

/* ---------- Bevestigingsvenster in RET-stijl (zie /dialog.js), zoals op retleren.nl ---------- */
.ret-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: ret-fade .12s ease-out;
}
.ret-modal {
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .25);
  border-top: 4px solid var(--brand);
  padding: 24px;
  width: 100%;
  max-width: 460px;
}
.ret-modal h3 { margin: 0 0 8px; color: var(--brand-text); font-size: 18px; }
.ret-modal p { margin: 0; overflow-wrap: anywhere; }
.ret-modal-buttons { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.ret-btn {
  border-radius: 6px;
  padding: 8px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
}
.ret-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ret-btn-ghost { background: transparent; color: var(--brand-text); border-color: var(--brand-text); }
.ret-btn-ghost:hover { background: var(--soft); }
.ret-btn-primary { background: var(--brand); color: var(--on-brand); }
.ret-btn-danger { background: #ed1a2d; color: #ffffff; }
.ret-btn-primary:hover, .ret-btn-danger:hover { opacity: .9; }
@keyframes ret-fade { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .ret-overlay { animation: none; } }
.ret-modal-field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-muted); }
.ret-modal-field input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 15px;
  background: var(--card);
  color: var(--text);
}
.ret-modal-field input:focus { outline: 2px solid var(--accent); border-color: transparent; }

/* Gekleurd bestandsicoontje (Bestanden en de bijlagenkiezer) */
.file-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 46px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--brand);
  text-transform: uppercase;
}
.file-icon.pdf { background: #ed1a2d; }
.file-icon.word { background: #2b579a; }
.file-icon.excel { background: #217346; }
.file-icon.ppt { background: #c43e1c; }
.file-icon.image { background: #6d6e71; }

/* Bijlagenkiezer bij Mailbox */
.ret-modal.picker { max-width: 560px; display: flex; flex-direction: column; gap: 10px; max-height: calc(100vh - 32px); }
.picker-search {
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  background: var(--soft);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}
.picker-search:focus { outline: 2px solid var(--accent); }
.picker-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; max-height: 50vh; border: 1px solid var(--line); border-radius: 8px; }
.picker-list:empty { display: none; }
.picker-list li + li { border-top: 1px solid var(--line); }
.picker-list label { display: flex; align-items: center; gap: 12px; padding: 8px 12px; cursor: pointer; }
.picker-list label:hover { background: var(--soft); }
.picker-list label:has(input:checked) { background: var(--tint); }
.picker-list input { width: 18px; height: 18px; accent-color: var(--brand); margin: 0; }
.picker-list .file-icon { width: 30px; height: 36px; font-size: 9px; }
.picker-name { display: grid; min-width: 0; overflow-wrap: anywhere; font-size: 14px; }
.picker-name small { color: var(--text-muted); }
.picker .ret-modal-buttons { margin-top: 4px; align-items: center; }
.picker-manage { margin-right: auto; text-decoration: none; font-size: 13px; }
.picker-categories { display: flex; flex-wrap: wrap; gap: 6px; }
.picker-categories button {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 14px;
  padding: 3px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.picker-categories button span { color: var(--text-muted); font-size: 12px; }
.picker-categories button:hover { background: var(--soft); }
.picker-categories button.active { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.picker-categories button.active span { color: inherit; opacity: .8; }

/* Inloggen met retleren.nl */
.login-retleren { display: flex; align-items: center; justify-content: center; gap: 10px; text-decoration: none; font-weight: 600; }
.login-retleren img { height: 18px; width: auto; background: #fff; border-radius: 3px; padding: 2px 4px; }
.login-or { display: flex; align-items: center; gap: 10px; margin: 18px 0 14px; color: var(--text-muted); font-size: 13px; }
.login-or::before, .login-or::after { content: ""; flex: 1; height: 1px; background: var(--border); }
#retlerenError { margin-top: 8px; }
.login-emergency { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 12px; }
.login-emergency summary { cursor: pointer; color: var(--text-muted); font-size: 13px; }
.login-emergency[open] summary { margin-bottom: 10px; }
.login-emergency .hint { font-size: 13px; margin-bottom: 12px; }

/* Alleen voor admins (klasse is-admin op <html>, gezet door /session.js). Een gebruiker mag
   bekijken en direct versturen; de server controleert dit ook zelf. */
html:not(.is-admin) .admin-only { display: none !important; }