:root {
  --berk-blue: #2e3192;
  --berk-blue-dark: #23266f;
  --berk-blue-light: #4a4db5;
  --berk-bg: #f4f5fb;
  --berk-border: #d9dbe9;
  --berk-text: #1f2233;
  --berk-muted: #6b6f87;
  --berk-danger: #c0392b;
  --berk-success: #2e8b57;
  --berk-warning: #d98c00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--berk-bg);
  color: var(--berk-text);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--berk-blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ===== Topbar met logo linksboven ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border-bottom: 3px solid var(--berk-blue);
  padding: 10px 24px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar .brand img {
  height: 48px;
  width: auto;
  display: block;
}
.topbar nav {
  display: flex;
  gap: 18px;
  flex: 1;
}
.topbar nav a {
  color: var(--berk-text);
  font-weight: 500;
  padding: 6px 4px;
}
.topbar nav a:hover {
  color: var(--berk-blue);
  text-decoration: none;
}
.topbar .user-menu {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--berk-muted);
  font-size: 14px;
}

/* ===== Layout ===== */
.container {
  max-width: 1140px;
  margin: 24px auto;
  padding: 0 24px;
}
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.page-header h1 {
  font-size: 22px;
  margin: 0;
  color: var(--berk-blue-dark);
}
.page-header .search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 420px;
  margin: 0 16px;
}
.page-header .search-form input[type="search"] {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--berk-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

/* ===== Cards ===== */
.card {
  background: #fff;
  border: 1px solid var(--berk-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 18px;
}
.card h2 {
  font-size: 17px;
  margin-top: 0;
  color: var(--berk-blue-dark);
}

/* ===== Tabellen ===== */
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--berk-border);
  vertical-align: top;
}
th {
  background: var(--berk-blue);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
tr:hover td {
  background: #fafbff;
}

/* ===== Formulieren ===== */
label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 14px;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--berk-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--berk-blue);
  box-shadow: 0 0 0 2px rgba(46, 49, 146, 0.15);
}
textarea {
  min-height: 90px;
  resize: vertical;
}
.form-row {
  margin-bottom: 14px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.checkbox-row input {
  width: auto;
}
.checkbox-row label {
  margin: 0;
  font-weight: 400;
}

/* ===== Knoppen ===== */
.btn {
  display: inline-block;
  background: var(--berk-blue);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover {
  background: var(--berk-blue-dark);
  text-decoration: none;
}
.btn-secondary {
  background: #fff;
  color: var(--berk-blue);
  border: 1px solid var(--berk-blue);
}
.btn-secondary:hover {
  background: #eef0fb;
}
.btn-danger {
  background: var(--berk-danger);
}
.btn-danger:hover {
  background: #97291c;
}
.btn-sm {
  padding: 5px 10px;
  font-size: 13px;
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: #eef0fb;
  color: var(--berk-blue-dark);
}
.badge-closed { background: #e6f4ec; color: var(--berk-success); }
.badge-open { background: #eef0fb; color: var(--berk-blue); }
.prio-Urgent { color: var(--berk-danger); font-weight: 700; }
.prio-Hoog { color: var(--berk-warning); font-weight: 600; }

/* ===== Meldingen ===== */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error { background: #fdecea; color: var(--berk-danger); border: 1px solid #f5c6c0; }
.alert-success { background: #e6f4ec; color: var(--berk-success); border: 1px solid #bfe3cd; }

/* ===== Login ===== */
.login-wrap {
  max-width: 460px;
  margin: 8vh auto;
  padding: 0 20px;
}
.login-card {
  background: #fff;
  border: 1px solid var(--berk-border);
  border-top: 4px solid var(--berk-blue);
  border-radius: 10px;
  padding: 1.5cm;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.login-card .logo {
  text-align: center;
  margin-bottom: 20px;
}
.login-card .logo img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Diversen ===== */
.muted { color: var(--berk-muted); font-size: 13px; }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}
.filters .form-row { margin-bottom: 0; }
.inline-form { display: inline; }
.comment {
  border-left: 3px solid var(--berk-blue);
  padding: 8px 14px;
  margin-bottom: 12px;
  background: #fafbff;
  border-radius: 0 6px 6px 0;
}
.comment .meta { font-size: 12px; color: var(--berk-muted); margin-bottom: 4px; }
.field-config-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--berk-border);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-header h2 { margin: 0; }

/* ===== Bijlagen / thumbnails ===== */
.attachment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}
.attachment-card {
  border: 1px solid var(--berk-border);
  border-radius: 8px;
  padding: 8px;
  text-align: center;
  background: #fff;
}
.attachment-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 110px;
  background: var(--berk-bg, #f4f6f8);
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
}
.attachment-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
}
.attachment-ext {
  font-weight: 700;
  font-size: 18px;
  color: var(--berk-blue-dark);
  letter-spacing: 1px;
}
.attachment-name {
  margin-top: 6px;
  font-size: 13px;
  word-break: break-word;
}
.attachment-meta { font-size: 11px; margin: 2px 0 6px; }

.attachment-viewer { text-align: center; }
.attachment-viewer img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}
.attachment-viewer iframe {
  width: 100%;
  height: 80vh;
  border: 1px solid var(--berk-border);
  border-radius: 6px;
}

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .topbar nav { display: none; }
  .field-config-row { grid-template-columns: 1fr 1fr; }
}