:root {
  --bg: #0f1115;
  --bg-elev: #161922;
  --bg-elev-2: #1d2130;
  --border: #2a2f3f;
  --text: #e8eaf0;
  --text-dim: #9098ac;
  --accent: #4f7cff;
  --accent-dim: #2a3a66;
  --green: #37c48a;
  --yellow: #e8b73c;
  --red: #e8556b;
  --purple: #a06be0;
  --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f8;
    --bg-elev: #ffffff;
    --bg-elev-2: #eef0f5;
    --border: #dde1ea;
    --text: #1a1d27;
    --text-dim: #676f85;
    --accent: #3b63e0;
    --accent-dim: #dbe4ff;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

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

/* SIDEBAR */
.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: white; font-size: 16px;
}
.brand-name { font-weight: 700; font-size: 15px; line-height: 1.2; }
.brand-name span { display: block; font-weight: 400; color: var(--text-dim); font-size: 11px; }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  background: none; border: none; color: var(--text-dim);
  padding: 10px 12px; border-radius: 8px; font-size: 14px;
  cursor: pointer; text-align: left; font-weight: 500;
}
.nav-item .ic { width: 18px; text-align: center; }
.nav-item:hover { background: var(--bg-elev-2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }

.new-lead-btn { width: 100%; }
.sidebar-footer { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.conn-status { font-size: 11.5px; color: var(--text-dim); text-align: center; }
.conn-status.ok { color: var(--green); }
.conn-status.err { color: var(--red); }

/* MAIN */
.main { flex: 1; padding: 28px 36px; max-width: 1400px; }
.view { display: none; }
.view.active { display: block; }
.view-header { margin-bottom: 20px; }
.view-header h1 { margin: 0 0 4px; font-size: 24px; }
.sub { color: var(--text-dim); margin: 0; }

/* BUTTONS */
button { font-family: inherit; cursor: pointer; }
.btn-primary {
  background: var(--accent); color: white; border: none;
  padding: 10px 16px; border-radius: 8px; font-weight: 600; font-size: 14px;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  background: transparent; color: var(--text-dim); border: 1px solid var(--border);
  padding: 9px 14px; border-radius: 8px; font-size: 13px;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-secondary {
  background: var(--bg-elev-2); color: var(--text); border: 1px solid var(--border);
  padding: 9px 14px; border-radius: 8px; font-size: 13px; font-weight: 500;
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger {
  background: transparent; color: var(--red); border: 1px solid var(--red);
  padding: 9px 14px; border-radius: 8px; font-size: 13px;
}
.btn-danger:hover { background: var(--red); color: white; }

/* KPI GRID */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.kpi {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
}
.kpi .label { color: var(--text-dim); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.kpi .value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.kpi .sub-value { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

/* CARDS / GRIDS */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 1100px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
.card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}
.card h3 { margin: 0 0 14px; font-size: 14px; color: var(--text-dim); font-weight: 600; }

.chart { min-height: 180px; }

/* Bar chart rows */
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 12.5px; }
.bar-row .bar-label { width: 130px; flex-shrink: 0; color: var(--text-dim); }
.bar-row .bar-track { flex: 1; background: var(--bg-elev-2); border-radius: 6px; height: 20px; overflow: hidden; position: relative; }
.bar-row .bar-fill { height: 100%; border-radius: 6px; background: var(--accent); transition: width .3s; }
.bar-row .bar-value { width: 90px; text-align: right; flex-shrink: 0; font-weight: 600; }

.status-Nieuw { background: #6b7688; }
.status-Contact-opgenomen { background: #4f7cff; }
.status-Gesprek-gepland { background: #a06be0; }
.status-Offerte-verstuurd { background: #e8b73c; }
.status-Onderhandeling { background: #e88b3c; }
.status-Gewonnen { background: #37c48a; }
.status-Verloren { background: #e8556b; }

/* mini lists */
.mini-list { display: flex; flex-direction: column; gap: 8px; max-height: 260px; overflow-y: auto; }
.mini-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; background: var(--bg-elev-2); border-radius: 8px; font-size: 13px;
}
.mini-item .mi-name { font-weight: 600; }
.mini-item .mi-sub { color: var(--text-dim); font-size: 12px; }
.mini-item .mi-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600;
}
.tag-red { background: rgba(232,85,107,.15); color: var(--red); }
.tag-yellow { background: rgba(232,183,60,.15); color: var(--yellow); }
.tag-green { background: rgba(55,196,138,.15); color: var(--green); }
.empty-state { color: var(--text-dim); font-size: 13px; padding: 12px 0; }

.pill-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.pill {
  padding: 6px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--bg-elev-2); color: var(--text-dim);
}

/* TOOLBAR */
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar input, .toolbar select {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: 8px; font-size: 13px;
}
.toolbar input { flex: 1; min-width: 200px; }

/* TABLE */
.table-wrap { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
.leads-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.leads-table th {
  text-align: left; padding: 12px 14px; color: var(--text-dim); font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap; font-size: 12px; text-transform: uppercase; letter-spacing: .02em;
}
.leads-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.leads-table tr:last-child td { border-bottom: none; }
.leads-table tr:hover { background: var(--bg-elev-2); cursor: pointer; }
.badge { padding: 4px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; color: white; white-space: nowrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.prio-Hoog { color: var(--red); font-weight: 700; }
.prio-Gemiddeld { color: var(--yellow); font-weight: 600; }
.prio-Laag { color: var(--text-dim); }
.social-yes { color: var(--green); font-weight: 700; }
.social-no { color: var(--text-dim); }
.row-actions button { background: none; border: none; color: var(--text-dim); font-size: 16px; }
.row-actions button:hover { color: var(--red); }

/* MODAL */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55);
  align-items: flex-start; justify-content: center; z-index: 100; overflow-y: auto; padding: 40px 20px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  width: 100%; max-width: 640px; padding: 0;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal-header h2 { margin: 0; font-size: 17px; }
.modal-close { background: none; border: none; color: var(--text-dim); font-size: 22px; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--text-dim); font-weight: 600; }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid input, .form-grid select, .form-grid textarea {
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 10px; border-radius: 8px; font-size: 13.5px; font-weight: 400; font-family: inherit;
}
.form-grid textarea { resize: vertical; }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; }
.checkbox-label input { width: auto; }

.modal-actions { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.modal-actions .spacer { flex: 1; }

.activity-section { border-top: 1px solid var(--border); padding: 18px 22px 22px; }
.activity-section h3 { margin: 0 0 12px; font-size: 14px; }
.add-note { display: flex; gap: 8px; margin-bottom: 12px; }
.add-note input {
  flex: 1; background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 10px; border-radius: 8px; font-size: 13px;
}
.quick-status { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.quick-status button {
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.quick-status button.active { background: var(--accent); color: white; border-color: var(--accent); }
.activity-list { display: flex; flex-direction: column; gap: 10px; max-height: 220px; overflow-y: auto; }
.activity-item { display: flex; gap: 10px; font-size: 12.5px; }
.activity-item .ai-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 5px; flex-shrink: 0; }
.activity-item .ai-body { flex: 1; }
.activity-item .ai-time { color: var(--text-dim); font-size: 11px; }