:root {
  --navy: #073889;
  --oranje: #f46015;
  --sky: #009cdc;
  --tekst: #1a2540;
  --tekst-licht: #5a6580;
  --lijn: #e3e7ef;
  --bg: #f5f7fb;
  --wit: #ffffff;
  --succes: #0f9d58;
  --waarschuw: #f4b400;
  --fout: #d93025;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(7, 56, 137, 0.06), 0 4px 14px rgba(7, 56, 137, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--tekst);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: 'Exo', sans-serif;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 0.5em 0;
  letter-spacing: -0.01em;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }

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

/* ===== Login ===== */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: linear-gradient(135deg, #f5f7fb 0%, #e7ecf7 100%);
}
.login-card {
  background: var(--wit);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 420px;
  text-align: center;
}
.login-card img.logo { height: 44px; margin-bottom: 1.25rem; }
.login-card h1 { margin-bottom: 0.25rem; }
.login-card p { color: var(--tekst-licht); margin: 0 0 1.75rem 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius);
  border: none;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform .05s ease, box-shadow .15s ease, background .15s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--navy); color: white; }
.btn-primary:hover { background: #052b6b; }
.btn-oranje { background: var(--oranje); color: white; }
.btn-oranje:hover { background: #d9500d; }
.btn-sky { background: var(--sky); color: white; }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: #eef2fa; }
.btn-danger { background: transparent; color: var(--fout); }
.btn-danger:hover { background: #fdecea; }
.btn-sm { padding: 0.4rem 0.7rem; font-size: 0.9rem; }
.btn-full { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ===== App layout ===== */
.app-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  background: var(--navy);
  color: white;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.topbar .brand {
  font-family: 'Exo', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  display: flex; align-items: center; gap: .6rem;
  cursor: pointer;
}
.topbar .brand img { height: 28px; }
.topbar .spacer { flex: 1; }
.topbar .user {
  font-size: 0.9rem;
  opacity: 0.9;
  display: flex; align-items: center; gap: .75rem;
}
.topbar button {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.2);
}
.topbar button:hover { background: rgba(255,255,255,0.2); }
.topbar .topnav {
  display: flex;
  gap: 0.25rem;
  margin-left: 1rem;
}
.topbar .topnav a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s, color 0.15s;
}
.topbar .topnav a:hover { color: white; background: rgba(255,255,255,0.08); }
.topbar .topnav a.active { color: var(--navy); background: white; }

.main {
  flex: 1;
  padding: 1.5rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* ===== Cards ===== */
.card {
  background: var(--wit);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.card-header h2 { margin: 0; }

/* ===== Project list ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.project-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform .1s, box-shadow .15s;
  border-left: 4px solid var(--navy);
}
.project-card:hover { transform: translateY(-2px); box-shadow: 0 4px 18px rgba(7,56,137,0.12); }
.project-card h3 { margin: 0 0 .4rem 0; }
.project-card .klant { color: var(--tekst-licht); font-size: .95rem; margin-bottom: .5rem; }
.project-card .meta { font-size: .85rem; color: var(--tekst-licht); display: flex; gap: .75rem; flex-wrap: wrap; }
.status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 600;
  text-transform: lowercase;
}
.status-actief { background: #e3f0ff; color: var(--navy); }
.status-gepland { background: #fff3e0; color: var(--oranje); }
.status-afgerond { background: #e4f5ec; color: var(--succes); }

/* ===== Forms ===== */
.form-row {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.form-row.two { grid-template-columns: 1fr 1fr; }
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 700px) {
  .form-row.two, .form-row.three { grid-template-columns: 1fr; }
}
label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--tekst-licht);
  margin-bottom: .2rem;
}
input, select, textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--lijn);
  border-radius: 8px;
  font: inherit;
  background: white;
  color: var(--tekst);
  transition: border-color .12s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(0,156,220,0.15);
}
textarea { min-height: 120px; font-family: ui-monospace, 'SF Mono', Monaco, monospace; font-size: .92rem; }

.form-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 0.75rem;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--lijn);
  overflow-x: auto;
}
.tab {
  padding: 0.7rem 1.1rem;
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  color: var(--tekst-licht);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
}
.tab.active { color: var(--navy); border-bottom-color: var(--oranje); }
.tab:hover { color: var(--navy); }

/* ===== Tables ===== */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}
.tbl th, .tbl td {
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--lijn);
  vertical-align: middle;
}
.tbl th {
  font-weight: 600;
  color: var(--tekst-licht);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  background: #fafbfd;
}
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr:hover td { background: #fafbfd; }
.tbl input[type=number], .tbl input[type=text] {
  padding: 0.35rem 0.5rem;
  font-size: .9rem;
}
.tbl-wrap { overflow-x: auto; }

.cat-pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: lowercase;
}
.cat-materiaal { background: #e3f0ff; color: var(--navy); }
.cat-uren { background: #fff3e0; color: var(--oranje); }
.cat-overig { background: #ecf2ff; color: #5a6580; }

/* ===== Nacalculatie ===== */
.totalen {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}
.totaal-card {
  padding: 1rem;
  background: white;
  border-radius: 8px;
  border: 1px solid var(--lijn);
}
.totaal-card .lbl { font-size: .8rem; color: var(--tekst-licht); font-weight: 600; text-transform: uppercase; }
.totaal-card .val { font-size: 1.5rem; font-weight: 700; color: var(--navy); font-family: 'Exo', sans-serif; }
.totaal-card .delta { font-size: .9rem; font-weight: 600; margin-top: .25rem; }
.delta-pos { color: var(--succes); }
.delta-neg { color: var(--fout); }

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--tekst-licht);
}
.empty-state h3 { color: var(--tekst-licht); font-weight: 500; margin-bottom: .5rem; }

.loading { text-align: center; padding: 2rem; color: var(--tekst-licht); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  z-index: 1000;
  animation: slideUp .2s ease;
}
.toast.err { background: var(--fout); }
.toast.ok { background: var(--succes); }
@keyframes slideUp {
  from { transform: translate(-50%, 20px); opacity: 0; }
  to   { transform: translate(-50%, 0); opacity: 1; }
}

/* ===== Modal ===== */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: grid;
  place-items: center;
  z-index: 900;
  padding: 1rem;
}
.modal {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.modal h2 { margin-top: 0; }

.helpbox {
  background: #eef4ff;
  border-left: 3px solid var(--sky);
  padding: 0.8rem 1rem;
  border-radius: 6px;
  font-size: .9rem;
  color: var(--tekst-licht);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.helpbox strong { color: var(--navy); }

.row-acties { display: flex; gap: .25rem; justify-content: flex-end; }

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: .3rem .5rem;
  border-radius: 6px;
  color: var(--tekst-licht);
  font-size: 1rem;
}
.icon-btn:hover { background: var(--lijn); color: var(--navy); }
.icon-btn.del:hover { color: var(--fout); background: #fdecea; }

.subhead {
  color: var(--tekst-licht);
  font-size: .95rem;
  margin-bottom: 1rem;
}

.dag-blok {
  margin-bottom: 1rem;
  border: 1px solid var(--lijn);
  border-radius: 8px;
  overflow: hidden;
}
.dag-blok-header {
  background: #f5f7fb;
  padding: 0.6rem 0.9rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dag-blok-header .datum { font-family: 'Exo', sans-serif; }
.dag-blok-header .totaal-uren { color: var(--oranje); }

@media (max-width: 600px) {
  .main { padding: 1rem; }
  h1 { font-size: 1.4rem; }
  .topbar { padding: 0.6rem 1rem; }
  .card { padding: 1rem; }
}