:root {
  --bg-primary: #fafafa;
  --bg-secondary: #1a1a2e;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f5f7;
  --bg-input: #f2f2f4;
  --border: #e8e8ec;
  --border-focus: #1a1a2e;
  --text-primary: #1a1a1a;
  --text-secondary: #6b6b7b;
  --text-muted: #9c9caa;
  --accent: #1a1a2e;
  --accent-hover: #2d2d44;
  --green: #16a34a;
  --green-bg: rgba(22,163,74,.08);
  --red: #dc2626;
  --red-bg: rgba(220,38,38,.06);
  --orange: #d97706;
  --orange-bg: rgba(217,119,6,.07);
  --blue: #2563eb;
  --blue-bg: rgba(37,99,235,.06);
  --purple: #7c3aed;
  --purple-bg: rgba(124,58,237,.06);
  --sidebar-w: 240px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 2px 8px rgba(0,0,0,.05), 0 1px 3px rgba(0,0,0,.04);
  --shadow-lg: 0 4px 16px rgba(0,0,0,.06), 0 2px 6px rgba(0,0,0,.03);
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'DM Sans',sans-serif; background:var(--bg-primary); color:var(--text-primary); display:flex; min-height:100vh; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }

/* Scrollbar */
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:#d1d1d6; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#b0b0b8; }

/* Sidebar */
#sidebar { width:var(--sidebar-w); background:var(--bg-secondary); border-right:none; display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:10; box-shadow:2px 0 20px rgba(0,0,0,.08); }
.sidebar-header { padding:20px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid rgba(255,255,255,.08); }
.logo { display:flex; align-items:center; gap:10px; }
.logo-icon { font-size:20px; color:rgba(255,255,255,.9); }
.logo-text { font-weight:700; font-size:16px; letter-spacing:-.5px; color:#ffffff; }
.version { font-size:11px; color:rgba(255,255,255,.4); background:rgba(255,255,255,.08); padding:2px 8px; border-radius:10px; }
.nav-items { list-style:none; padding:12px 8px; flex:1; overflow-y:auto; }
.nav-item { padding:10px 16px; border-radius:var(--radius-sm); cursor:pointer; display:flex; align-items:center; gap:10px; font-size:14px; color:rgba(255,255,255,.5); transition:all .15s; margin-bottom:2px; }
.nav-item:hover { background:rgba(255,255,255,.06); color:rgba(255,255,255,.85); }
.nav-item.active { background:rgba(255,255,255,.12); color:#ffffff; font-weight:600; }
.nav-icon { font-size:16px; width:20px; text-align:center; }
.sidebar-footer { padding:12px; border-top:1px solid rgba(255,255,255,.08); }
.klok-indicator { display:flex; align-items:center; gap:8px; background:rgba(220,38,38,.15); padding:8px 12px; border-radius:var(--radius-sm); border:1px solid rgba(220,38,38,.25); }
.pulse { width:8px; height:8px; background:var(--red); border-radius:50%; animation:pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{ opacity:1; } 50%{ opacity:.3; } }
#klokTimer { font-family:'JetBrains Mono',monospace; font-size:14px; font-weight:500; flex:1; color:rgba(255,255,255,.9); }

/* Main */
#content { margin-left:var(--sidebar-w); flex:1; padding:28px 32px; max-width:1200px; }

/* Typography */
h1 { font-size:26px; font-weight:700; margin-bottom:4px; letter-spacing:-.5px; color:#111111; }
h2 { font-size:18px; font-weight:600; margin-bottom:16px; letter-spacing:-.3px; color:#1a1a1a; }
h3 { font-size:15px; font-weight:600; margin-bottom:12px; color:#1a1a1a; }
.page-subtitle { color:var(--text-secondary); font-size:14px; margin-bottom:24px; }

/* Cards */
.card { background:var(--bg-card); border:none; border-radius:var(--radius); padding:20px; margin-bottom:16px; box-shadow:var(--shadow-sm); transition:box-shadow .2s ease; }
.card:hover { box-shadow:var(--shadow-md); }
.card-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.card-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:12px; margin-bottom:20px; }

/* Stat cards */
.stat { background:var(--bg-card); border:none; border-radius:var(--radius); padding:16px 20px; box-shadow:var(--shadow-sm); transition:box-shadow .2s ease, transform .2s ease; }
.stat:hover { box-shadow:var(--shadow-md); transform:translateY(-1px); }
.stat-label { font-size:11px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.8px; margin-bottom:6px; font-weight:500; }
.stat-value { font-size:28px; font-weight:700; font-family:'JetBrains Mono',monospace; letter-spacing:-1px; color:var(--text-primary); }
.stat-sub { font-size:12px; color:var(--text-secondary); margin-top:4px; }
.stat-green .stat-value { color:var(--green); }
.stat-red .stat-value { color:var(--red); }
.stat-blue .stat-value { color:var(--accent); }
.stat-orange .stat-value { color:var(--orange); }
.stat-purple .stat-value { color:var(--purple); }

/* Progress bar */
.progress-bar { width:100%; height:4px; background:var(--bg-input); border-radius:2px; overflow:hidden; margin-top:8px; }
.progress-fill { height:100%; border-radius:2px; transition:width .5s ease; }
.progress-fill.green { background:var(--green); }
.progress-fill.blue { background:var(--accent); }
.progress-fill.orange { background:var(--orange); }
.progress-fill.red { background:var(--red); }

/* Forms */
.form-row { display:flex; gap:12px; margin-bottom:12px; flex-wrap:wrap; }
.form-group { flex:1; min-width:140px; }
.form-group label { display:block; font-size:12px; color:var(--text-secondary); margin-bottom:4px; font-weight:500; }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding:9px 12px; background:var(--bg-input); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text-primary); font-family:inherit; font-size:14px; transition:all .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline:none; border-color:var(--border-focus); box-shadow:0 0 0 3px rgba(26,26,46,.08); }
.form-group textarea { resize:vertical; min-height:60px; }
.form-group select { cursor:pointer; }
.form-group input[type="file"] { padding:7px; }

.checkbox-row { display:flex; align-items:center; gap:8px; margin-bottom:8px; font-size:14px; }
.checkbox-row input[type="checkbox"] { width:16px; height:16px; accent-color:var(--accent); cursor:pointer; }

/* Buttons */
.btn { padding:8px 18px; border-radius:var(--radius-sm); border:none; cursor:pointer; font-family:inherit; font-size:13px; font-weight:600; transition:all .2s; letter-spacing:-.1px; }
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-hover); box-shadow:0 2px 8px rgba(26,26,46,.2); }
.btn-success { background:var(--green); color:#fff; }
.btn-success:hover { background:#15803d; box-shadow:0 2px 8px rgba(22,163,74,.2); }
.btn-danger { background:var(--red); color:#fff; }
.btn-danger:hover { background:#b91c1c; box-shadow:0 2px 8px rgba(220,38,38,.2); }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text-secondary); }
.btn-outline:hover { border-color:#c0c0c8; color:var(--text-primary); background:#f8f8fa; }
.btn-sm { padding:5px 12px; font-size:12px; border-radius:4px; border:none; cursor:pointer; font-family:inherit; font-weight:600; }
.btn-group { display:flex; gap:8px; }
.btn-icon { padding:6px 10px; font-size:16px; }

/* Table */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:13px; }
thead th { text-align:left; padding:10px 12px; color:var(--text-muted); font-size:11px; text-transform:uppercase; letter-spacing:.8px; border-bottom:2px solid #ebebef; font-weight:600; }
tbody td { padding:10px 12px; border-bottom:1px solid #f0f0f3; vertical-align:middle; }
tbody tr:hover { background:var(--bg-card-hover); }
tbody tr:last-child td { border-bottom:none; }
.mono { font-family:'JetBrains Mono',monospace; font-size:13px; }
.text-green { color:var(--green); }
.text-red { color:var(--red); }
.text-orange { color:var(--orange); }
.text-blue { color:var(--accent); }
.text-muted { color:var(--text-muted); }
.text-right { text-align:right; }

/* Tags */
.tag { display:inline-block; padding:3px 9px; border-radius:20px; font-size:11px; font-weight:600; letter-spacing:.2px; }
.tag-green { background:var(--green-bg); color:var(--green); }
.tag-red { background:var(--red-bg); color:var(--red); }
.tag-blue { background:var(--blue-bg); color:var(--blue); }
.tag-orange { background:var(--orange-bg); color:var(--orange); }
.tag-purple { background:var(--purple-bg); color:var(--purple); }

/* Checklist */
.check-group { margin-bottom:24px; }
.check-group-title { font-size:11px; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); font-weight:600; margin-bottom:10px; padding-bottom:6px; border-bottom:1px solid #ebebef; }
.check-item { display:flex; align-items:center; gap:10px; padding:8px 12px; border-radius:var(--radius-sm); margin-bottom:4px; transition:background .1s; }
.check-item:hover { background:var(--bg-card-hover); }
.check-item input[type="checkbox"] { width:18px; height:18px; accent-color:var(--green); cursor:pointer; flex-shrink:0; }
.check-item.done { opacity:.45; }
.check-item.done .check-text { text-decoration:line-through; }
.check-text { flex:1; font-size:14px; }
.check-desc { font-size:12px; color:var(--text-muted); }
.check-prio { width:6px; height:6px; border-radius:50%; flex-shrink:0; }
.prio-1 { background:var(--red); }
.prio-2 { background:var(--orange); }
.prio-3 { background:var(--text-muted); }

/* Klok */
.klok-display { text-align:center; padding:30px; }
.klok-time { font-family:'JetBrains Mono',monospace; font-size:56px; font-weight:700; letter-spacing:-2px; margin-bottom:8px; color:#111111; }
.klok-status { font-size:14px; color:var(--text-secondary); margin-bottom:20px; }
.klok-actions { display:flex; gap:12px; justify-content:center; }

/* Belasting berekening */
.belasting-row { display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid #f0f0f3; font-size:14px; }
.belasting-row:last-child { border:none; }
.belasting-row.total { font-weight:700; font-size:16px; border-top:2px solid #e0e0e5; margin-top:4px; padding-top:12px; }
.belasting-label { color:var(--text-secondary); }
.belasting-value { font-family:'JetBrains Mono',monospace; font-weight:600; }

/* Toast */
.toast { position:fixed; bottom:20px; right:20px; padding:12px 20px; border-radius:var(--radius-sm); font-size:14px; font-weight:500; opacity:0; transform:translateY(20px); transition:all .3s; z-index:100; pointer-events:none; box-shadow:var(--shadow-lg); }
.toast.show { opacity:1; transform:translateY(0); }
.toast.success { background:var(--green); color:#fff; }
.toast.error { background:var(--red); color:#fff; }
.toast.info { background:var(--accent); color:#fff; }

/* Empty state */
.empty { text-align:center; padding:40px; color:var(--text-muted); }
.empty-icon { font-size:40px; margin-bottom:12px; opacity:.6; }

/* Advisor Chat */
.advisor-chat { background:#f8f8fa; border:none; border-radius:var(--radius); padding:20px; min-height:400px; max-height:calc(100vh - 260px); overflow-y:auto; margin-bottom:12px; display:flex; flex-direction:column; gap:16px; box-shadow:inset 0 1px 3px rgba(0,0,0,.04); }
.advisor-welcome { text-align:center; padding:40px 20px; }
.advisor-avatar { font-size:48px; color:var(--accent); margin-bottom:16px; }
.advisor-welcome-text { font-size:15px; color:var(--text-secondary); line-height:1.6; max-width:500px; margin:0 auto 24px; }
.advisor-suggestions { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; max-width:600px; margin:0 auto; }
.advisor-suggestion { background:#ffffff; border:1px solid var(--border); border-radius:20px; padding:8px 16px; font-size:13px; color:var(--text-secondary); cursor:pointer; font-family:inherit; transition:all .15s; box-shadow:var(--shadow-sm); }
.advisor-suggestion:hover { border-color:var(--accent); color:var(--accent); background:#ffffff; box-shadow:var(--shadow-md); }
.advisor-msg { display:flex; gap:12px; align-items:flex-start; }
.advisor-msg-user { flex-direction:row-reverse; }
.advisor-msg-avatar { width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:16px; flex-shrink:0; }
.advisor-msg-user .advisor-msg-avatar { background:var(--accent); color:#fff; }
.advisor-msg-assistant .advisor-msg-avatar { background:var(--green-bg); color:var(--green); border:1px solid rgba(22,163,74,.2); }
.advisor-msg-content { background:#ffffff; border:none; border-radius:var(--radius); padding:12px 16px; font-size:14px; line-height:1.6; max-width:80%; box-shadow:var(--shadow-sm); }
.advisor-msg-user .advisor-msg-content { background:var(--accent); color:#fff; border-color:var(--accent); box-shadow:0 2px 8px rgba(26,26,46,.15); }
.advisor-msg-content ul { margin:8px 0; padding-left:20px; }
.advisor-msg-content li { margin-bottom:4px; }
.advisor-msg-content strong { color:var(--text-primary); }
.advisor-msg-user .advisor-msg-content strong { color:#fff; }
.advisor-typing { color:var(--text-muted); animation:pulse 1.5s infinite; }
.advisor-input-wrap { display:flex; gap:8px; }
.advisor-input { flex:1; padding:12px 16px; background:#ffffff; border:1px solid var(--border); border-radius:var(--radius); color:var(--text-primary); font-family:inherit; font-size:14px; box-shadow:var(--shadow-sm); transition:all .2s; }
.advisor-input:focus { outline:none; border-color:var(--border-focus); box-shadow:0 0 0 3px rgba(26,26,46,.08); }

/* Responsive */
@media(max-width:768px) {
  #sidebar { width:60px; }
  .logo-text,.version,.nav-item span:not(.nav-icon) { display:none; }
  .nav-item { justify-content:center; padding:12px; }
  #content { margin-left:60px; padding:16px; }
  .card-grid { grid-template-columns:1fr 1fr; }
  .form-row { flex-direction:column; }
}