:root {
  --cream: #F7F4EE;
  --ink: #1A1714;
  --ink-light: #4A4640;
  --ink-muted: #8A8480;
  --accent: #2D5A3D;
  --accent-light: #E8F0EA;
  --accent-mid: #4A8A5D;
  --amber: #C4821A;
  --amber-light: #FDF3E0;
  --red: #B03A2E;
  --red-light: #FCEAE8;
  --blue: #1A4A7A;
  --blue-light: #E8EFF7;
  --border: rgba(26,23,20,0.1);
  --border-med: rgba(26,23,20,0.18);
  --shadow: 0 1px 3px rgba(26,23,20,0.08), 0 4px 16px rgba(26,23,20,0.06);
  --shadow-lg: 0 8px 32px rgba(26,23,20,0.12);
  --radius: 10px;
  --radius-lg: 16px;
  --sidebar-w: 240px;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- LOGIN ---- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A2E1F 0%, #2D5A3D 50%, #1A3A2A 100%);
}

.login-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.login-card {
  position: relative;
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 420px;
  box-shadow: var(--shadow-lg);
  animation: slideUp .4s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  flex-shrink: 0;
}

.logo-title {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--ink);
}

.logo-sub {
  font-size: 12px;
  color: var(--ink-muted);
}

.login-heading {
  font-family: 'DM Serif Display', serif;
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 8px;
  color: var(--ink);
}

.login-desc {
  color: var(--ink-muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.login-error {
  background: var(--red-light);
  color: var(--red);
  border: 1px solid rgba(176,58,46,0.2);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-med);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  transition: border-color .15s;
  outline: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45,90,61,0.1);
}

.form-field textarea { resize: vertical; min-height: 80px; }

.btn-login {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  margin-top: 8px;
}

.btn-login:hover { background: #1E3E2A; }
.btn-login:active { transform: scale(.99); }

.login-demo {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.login-demo p {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 600;
}

.demo-accounts {
  display: flex;
  gap: 8px;
}

.demo-accounts button {
  flex: 1;
  padding: 8px 6px;
  border: 1px solid var(--border-med);
  border-radius: var(--radius);
  background: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  cursor: pointer;
  color: var(--ink-light);
  transition: background .12s, border-color .12s;
}

.demo-accounts button:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- APP SHELL ---- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--ink);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  padding: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.logo-mark-sm {
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 13px;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: #fff;
}

.nav-group {
  padding: 16px 0 8px;
}

.nav-group + .nav-group {
  border-top: 1px solid rgba(255,255,255,0.06);
}

.nav-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  padding: 0 20px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 400;
  transition: color .15s, background .15s;
  border-left: 2.5px solid transparent;
  text-decoration: none;
}

.nav-item svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.nav-item:hover {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.05);
}

.nav-item.active {
  color: #fff;
  background: rgba(74,138,93,0.2);
  border-left-color: var(--accent-mid);
  font-weight: 500;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.user-info {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  padding: 0 4px 10px;
  line-height: 1.5;
}

.user-info strong {
  display: block;
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  font-weight: 500;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  background: transparent;
  color: rgba(255,255,255,0.45);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}

.btn-logout svg { width: 15px; height: 15px; }
.btn-logout:hover { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.8); }

/* ---- MAIN CONTENT ---- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  background: var(--cream);
}

.view {
  padding: 36px 40px;
  animation: fadeIn .25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- PAGE HEADER ---- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-header-left .breadcrumb {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-header-left h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
}

.page-header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1.5px solid var(--border-med);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink-light);
  font-family: 'DM Sans', sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}

.btn:hover { background: var(--cream); border-color: var(--border-med); color: var(--ink); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover { background: #1E3E2A; border-color: #1E3E2A; color: #fff; }

.btn-danger {
  background: var(--red-light);
  color: var(--red);
  border-color: rgba(176,58,46,0.25);
}

.btn-danger:hover { background: #f5d0cc; }

.btn-sm {
  padding: 6px 11px;
  font-size: 12px;
}

.btn svg { width: 15px; height: 15px; }

/* ---- STAT CARDS ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}

.stat-card .stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-family: 'DM Serif Display', serif;
  font-size: 32px;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 4px;
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--ink-muted);
}

/* ---- CARDS ---- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 17px;
  font-weight: 400;
}

.card-header .card-meta {
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 2px;
}

.card-body { padding: 20px 24px; }

/* ---- TABLE ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.data-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  background: var(--cream);
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tbody tr:hover td { background: rgba(45,90,61,0.025); }

/* ---- BADGES ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
  gap: 4px;
}

.badge-green { background: var(--accent-light); color: var(--accent); }
.badge-amber { background: var(--amber-light); color: var(--amber); }
.badge-red { background: var(--red-light); color: var(--red); }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-gray { background: #F0EDE8; color: var(--ink-muted); }

/* week badge */
.week-pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  border: 1px solid var(--border-med);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-light);
  background: var(--cream);
}

/* current week highlight */
.week-pill.current { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

/* ---- KLAS GRID ---- */
.klas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.klas-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: box-shadow .15s, transform .15s, border-color .15s;
}

.klas-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
  border-color: var(--border-med);
}

.klas-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.klas-naam {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  font-weight: 400;
}

.klas-vak-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 6px;
}

.klas-meta-row {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 14px;
}

.klas-progress { height: 5px; background: var(--border); border-radius: 3px; margin-bottom: 6px; }
.klas-progress-fill { height: 100%; border-radius: 3px; background: var(--accent); transition: width .4s; }
.klas-progress-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-muted); }

/* ---- PROGRESS BAR ---- */
.prog-bar { height: 6px; background: var(--border); border-radius: 3px; }
.prog-fill { height: 100%; border-radius: 3px; background: var(--accent); }

/* ---- FORM GRID ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.form-full { grid-column: 1 / -1; }

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,23,20,0.55);
  display: flex;
  align-items: center;
  justify-content: center; /* 👈 dit is de fix */
  z-index: 1000;
}

.modal-box {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 36px;
  width: 560px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp .25s ease;
}

.modal-box h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 6px;
}

.modal-box .modal-sub {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ---- UPLOAD ZONE ---- */
.upload-zone {
  border: 2px dashed var(--border-med);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  color: var(--ink-muted);
  font-size: 13px;
}

.upload-zone:hover { border-color: var(--accent); background: var(--accent-light); color: var(--accent); }

.upload-zone .upload-icon { font-size: 28px; margin-bottom: 8px; opacity: .5; }

/* ---- TABS ---- */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 24px; }

.tab-btn {
  padding: 11px 18px;
  font-size: 13.5px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  color: var(--ink-muted);
  border: none;
  border-bottom: 2.5px solid transparent;
  background: transparent;
  font-weight: 400;
  transition: color .15s;
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--ink); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* ---- PLANNING TABLE SPECIAL ---- */
.planning-row-active td { background: rgba(45,90,61,0.04); }

/* ---- EMPTY STATE ---- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-muted);
}

.empty-state h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--ink-light);
  margin-bottom: 8px;
}

.empty-state p { font-size: 13px; margin-bottom: 20px; }

/* ---- LINK STYLE ---- */
.text-link { color: var(--blue); font-size: 12px; cursor: pointer; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* ---- ROLE BADGE ---- */
.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.role-admin { background: #F0EAF7; color: #5A2D8A; }
.role-docent { background: var(--accent-light); color: var(--accent); }
.role-management { background: var(--blue-light); color: var(--blue); }

/* ---- DIVIDER ---- */
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ---- ALERT ---- */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px; }
.alert-info { background: var(--blue-light); color: var(--blue); border: 1px solid rgba(26,74,122,0.15); }
.alert-success { background: var(--accent-light); color: var(--accent); border: 1px solid rgba(45,90,61,0.15); }

/* ---- ICON BUTTON ---- */
.icon-btn {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-muted);
  transition: all .12s;
}
.icon-btn:hover { background: var(--cream); color: var(--ink); border-color: var(--border-med); }
.icon-btn svg { width: 14px; height: 14px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .klas-grid { grid-template-columns: repeat(2, 1fr); }
}

/* READONLY OVERLAY */
.readonly-notice {
  background: var(--blue-light);
  color: var(--blue);
  border: 1px solid rgba(26,74,122,0.2);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}