:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --ink: #14213d;
  --ink-soft: #5b6b8c;
  --line: #dde3ef;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --danger: #b91c1c;
  --ok: #15803d;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20, 33, 61, .08), 0 8px 24px rgba(20, 33, 61, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .75rem 1.5rem;
  background: linear-gradient(120deg, #14213d, #1d4ed8);
  color: #fff;
  flex-wrap: wrap;
}
.brand { color: #fff; text-decoration: none; font-size: 1.25rem; font-weight: 700; letter-spacing: .5px; }
.brand-mark { margin-right: .35rem; }
.brand-sub { display: block; font-size: .7rem; font-weight: 400; opacity: .75; letter-spacing: 1.5px; text-transform: uppercase; }
.nav { display: flex; gap: .25rem; margin-left: auto; flex-wrap: wrap; }
.nav a { color: #dbe6ff; text-decoration: none; padding: .4rem .8rem; border-radius: 999px; font-size: .95rem; }
.nav a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.nav a.active { background: rgba(255, 255, 255, .2); color: #fff; font-weight: 600; }
.user-box { display: flex; align-items: center; gap: .6rem; font-size: .85rem; }
.user-name { color: #dbe6ff; }
.link-subtle { color: #dbe6ff; font-size: .8rem; }

/* ---------- layout ---------- */
.page { max-width: 1180px; margin: 1.75rem auto 3rem; padding: 0 1.25rem; }
h1 { font-size: 1.7rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
.muted { color: var(--ink-soft); }
.help { color: var(--ink-soft); font-size: .8rem; margin: .15rem 0 .5rem; }
.footer { text-align: center; color: var(--ink-soft); font-size: .8rem; padding: 1.5rem 0 2.5rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}
.card-narrow { max-width: 420px; margin: 3rem auto; }

.hero {
  background: linear-gradient(135deg, #ffffff, #e8effd);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}
.hero h1 { font-size: 2rem; margin-bottom: .5rem; }
.hero-text { max-width: 60ch; color: var(--ink-soft); }
.hero-facts { display: flex; gap: 2.5rem; flex-wrap: wrap; margin: 1.5rem 0; }
.hero-facts div { display: flex; flex-direction: column; }
.hero-facts strong { font-size: 1.5rem; color: var(--primary-dark); }
.hero-facts span { font-size: .8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .5px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: .5rem 1rem;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-lg { padding: .7rem 1.4rem; font-size: 1rem; }
.btn-ghost { background: rgba(255, 255, 255, .15); color: inherit; border-color: var(--line); }
.topbar .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn-ghost:hover { background: rgba(29, 78, 216, .08); }
.btn-danger { background: #fee2e2; color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: .25rem .6rem; font-size: .8rem; }
/* Knop met alleen een icoon; de betekenis staat in title/aria-label. */
.btn-icon {
  width: 2.5rem;
  height: 2.2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  line-height: 1;
}

/* ---------- messages ---------- */
.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.msg { padding: .7rem 1rem; border-radius: 8px; margin-bottom: .5rem; font-size: .9rem; }
.msg-success { background: #dcfce7; color: #14532d; border: 1px solid #86efac; }
.msg-error { background: #fee2e2; color: #7f1d1d; border: 1px solid #fca5a5; }
.msg-warning { background: #fef3c7; color: #78350f; border: 1px solid #fcd34d; }
.msg-info { background: #dbeafe; color: #1e3a8a; border: 1px solid #93c5fd; }
.field-error { color: var(--danger); font-size: .82rem; margin: .15rem 0 .5rem; }

/* ---------- forms ---------- */
.form { display: flex; flex-direction: column; }
.form label { font-weight: 600; font-size: .85rem; margin-bottom: .25rem; }
input[type=text], input[type=password], input[type=date], input[type=time], input[type=number], select, textarea {
  width: 100%;
  padding: .35rem .55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  font-size: .92rem;
  background: #fff;
  color: var(--ink);
  margin-bottom: .75rem;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(29, 78, 216, .35); border-color: var(--primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.checkline { display: flex; align-items: center; gap: .5rem; margin: .25rem 0 .75rem; }
.checkline input { margin: 0; width: auto; }
.checkline label { margin: 0; }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tab {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--line);
  border-radius: 10px 10px 0 0;
  padding: .6rem 1rem;
  text-decoration: none;
  color: var(--ink-soft);
}
.tab:hover { border-bottom-color: var(--primary); color: var(--ink); }
.tab-active { color: var(--ink); font-weight: 600; border-bottom-color: var(--primary); box-shadow: var(--shadow); }
.tab-dot { width: .7rem; height: .7rem; border-radius: 50%; display: inline-block; flex: none; }
.tab-reg { font-weight: 700; }
.tab-model { font-size: .8rem; opacity: .75; }

/* ---------- month calendar ---------- */
.calendar-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.calendar-head h2 { margin: 0; text-transform: capitalize; }
.aircraft-line { display: flex; align-items: center; gap: .4rem; font-size: .88rem; margin: .25rem 0 1rem; flex-wrap: wrap; }

.calendar { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.cal-row { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-names { background: #eef2fb; }
.cal-name { padding: .4rem; text-align: center; font-size: .78rem; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-soft); }
.cal-cell {
  min-height: 104px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: .35rem .4rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  background: #fff;
}
.cal-row .cal-cell:first-child { border-left: none; }
.cal-cell:hover { background: #eff4ff; }
.cal-out { background: #fafbfe; color: #a9b3c9; }
.cal-past { background: #f7f8fb; }
.cal-today { box-shadow: inset 0 0 0 2px var(--primary); }
.cal-daynum { font-weight: 700; font-size: .85rem; }
.cal-load { display: block; height: 4px; border-radius: 2px; background: #e7ecf7; overflow: hidden; }
.cal-load span { display: block; height: 100%; }
.cal-list { list-style: none; margin: 0; padding: 0; font-size: .72rem; display: flex; flex-direction: column; gap: 2px; }
.cal-item {
  background: #eef2fb;
  border-left: 3px solid var(--ink-soft);
  border-radius: 3px;
  padding: 1px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cal-item em { font-style: normal; font-weight: 700; }
.cal-mine { background: #dcfce7; border-left-color: var(--ok); }
.cal-more { color: var(--ink-soft); font-size: .7rem; padding-left: 4px; }

.legend { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: .8rem; color: var(--ink-soft); margin: .9rem 0 0; }
.legend-item { display: flex; align-items: center; gap: .35rem; }
.swatch { width: .9rem; height: .9rem; border-radius: 3px; display: inline-block; }
.swatch-mine { background: #dcfce7; border: 1px solid var(--ok); }
.swatch-other { background: #eef2fb; border: 1px solid var(--ink-soft); }
.swatch-today { background: #fff; border: 2px solid var(--primary); }

/* ---------- day grid ---------- */
.daygrid { display: flex; flex-direction: column; gap: .4rem; }
.slot {
  display: grid;
  grid-template-columns: 7.5rem 1fr auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  text-align: left;
  padding: .7rem .9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  color: inherit;
}
.slot-time { font-weight: 700; font-variant-numeric: tabular-nums; }
.slot-body { display: flex; flex-direction: column; }
.slot-body em { font-style: normal; color: var(--ink-soft); }
.slot-meta { font-size: .82rem; color: var(--ink-soft); }
.slot-remark { font-size: .82rem; color: var(--ink-soft); font-style: italic; }
.slot-tag { font-size: .75rem; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-soft); }
.slot-free { cursor: pointer; border-style: dashed; }
.slot-free:hover { border-color: var(--primary); background: #f2f6ff; }
.slot-free:hover .slot-tag-add { color: var(--primary); font-weight: 700; }
.slot-past { opacity: .45; cursor: not-allowed; }
.slot-booked { border-left: 5px solid var(--ac-colour, var(--primary)); background: #f8fafd; }
.slot-anon { color: var(--ink-soft); }
.slot-mine { background: #f0fdf4; border-left-color: var(--ok); }

/* ---------- modal ---------- */
.modal {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: min(560px, 94vw);
  box-shadow: 0 20px 60px rgba(20, 33, 61, .35);
  color: var(--ink);
}
.modal::backdrop { background: rgba(20, 33, 61, .4); }
.modal[open] { position: fixed; }
.modal-head { margin-bottom: .6rem; }

/* Kop waaraan de pop-up versleept kan worden. */
.drag-handle { cursor: grab; touch-action: none; user-select: none; }
.drag-handle:active { cursor: grabbing; }
.drag-handle h2::after {
  content: '⠿';
  float: right;
  color: var(--line);
  font-size: 1rem;
  letter-spacing: -.15em;
}
.modal-head h2 { margin: 0; }
.modal-head p { margin: .1rem 0 0; font-size: .85rem; }
/* Callsign en type achter de titel, op dezelfde regel. */
.modal-sub { font-size: .82rem; font-weight: 400; color: var(--ink-soft); }
.modal-foot { display: flex; justify-content: flex-end; gap: .6rem; margin-top: .7rem; }

/* ---------- logboek ---------- */
/* Twee regels met het label voorop en de waarde erachter, in drie vaste kolommen
   zodat beide regels recht onder elkaar staan. */
.logstats {
  display: grid;
  /* Per gegeven een labelkolom en een waardekolom. */
  grid-template-columns: repeat(3, max-content max-content);
  gap: .3rem .6rem;
  align-items: baseline;
  margin: .5rem 0 1.25rem;
}
.logstats span { font-size: .78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .5px; }
.logstats b {
  font-size: 1.05rem;
  color: var(--primary-dark);
  font-variant-numeric: tabular-nums;
  /* Ruimte tot het volgende gegeven; de kolommen zelf blijven uitgelijnd. */
  margin-right: 1.8rem;
}
.logstats b:last-child { margin-right: 0; }
.logstats .stat-alert { color: var(--danger); }

.logscroll { overflow-x: auto; }
.logtable { font-size: .82rem; min-width: 1000px; }
.logtable th { text-align: center; vertical-align: middle; border-bottom: 1px solid var(--line); }
.logtable th.sub { font-size: .68rem; font-weight: 500; text-transform: none; letter-spacing: 0; }
.logtable td { vertical-align: middle; }
.logtable .nowrap { white-space: nowrap; }
.logtable .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.logtable .num-alert { color: var(--danger); font-weight: 700; }
.logtable .anon { color: var(--ink-soft); font-style: italic; }
/* Bladeren door het logboek. */
.pager { display: flex; align-items: center; gap: .75rem; margin-top: .9rem; flex-wrap: wrap; }
.pager-stand { font-size: .82rem; color: var(--ink-soft); }
.pager-uit { opacity: .4; cursor: default; }

/* Facturatiekolom, alleen zichtbaar voor de beheerder. */
.logtable .factuur { font-weight: 600; }
.logtable .factuur-te_factureren { color: #b45309; }
.logtable .factuur-gefactureerd { color: var(--ok); }
.logtable .factuur-coulance { color: var(--ink-soft); }

/* Regels die deze gebruiker mag bewerken zijn aanklikbaar. */
.logtable .rij-bewerkbaar { cursor: pointer; }
.logtable .rij-bewerkbaar:hover { background: #eff4ff; }
.logtable .rij-bewerkbaar:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
.logtable .stacked { display: table-cell; font-variant-numeric: tabular-nums; white-space: nowrap; }
/* Beide tijden even groot; welke welke is staat in de legenda onder de tabel. */
.logtable .stacked span { display: block; }

/* Bemanning: één regel per persoon, met de functie erachter. */
.logtable .crew-cell span { display: block; white-space: nowrap; }
.logtable .crew-cell em { font-style: normal; font-weight: 700; margin-left: .4rem; }
.logtable .crew-cell i { font-style: italic; color: var(--ink-soft); }

/* ---------- compact logboekformulier ---------- */
/* Precies breed genoeg voor het breedste kader (vlucht/tijden). */
.modal-wide { width: min(380px, 96vw); }

.logform { display: flex; flex-direction: column; gap: .1rem; }
.frow { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-start; }
.fld { display: flex; flex-direction: column; }
.fld label { margin-bottom: .2rem; }
/* Veld zonder zichtbaar label; de opvulling houdt het gelijk met het veld ernaast. */
.fld-nolabel { padding-top: 1.475rem; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.fld input, .fld select { width: 100%; margin-bottom: .45rem; }

/* Vaste breedte per veldsoort: elk veld precies zo breed als de inhoud vraagt. */
.fld-date { width: 10.5rem; }
.fld-num { width: 7rem; }
/* Breed genoeg voor een lange naam als "H. Broekopluijendijk". */
.fld-name { width: 12.5rem; max-width: 100%; }
/* Dichtgeklapt staat er alleen de code in (PIC, LOC, ...), dus deze velden
   mogen smal; de dropdown zelf toont de volledige omschrijving. */
.fld-select { width: 5.75rem; }
.fld-nature { width: 5.75rem; }
.fld-time { width: 4.75rem; }
.fld-time input { text-align: center; }

/* Op muisapparaten valt het klokicoon weg, zodat het veld smal kan blijven.
   Op touch blijft het staan: <input type="time"> opent daar de time picker van het
   toestel zelf, net als <input type="date"> de datumkiezer opent. */
@media (hover: hover) and (pointer: fine) {
  input[type=time]::-webkit-calendar-picker-indicator { display: none; }
}
.fld-icao { width: 4.75rem; }
.fld-icao input {
  text-transform: uppercase;
  text-align: center;
  letter-spacing: .1em;
  font-weight: 600;
}

.timeset, .crewset { border: 1px solid var(--line); border-radius: 10px; padding: .5rem .8rem .1rem; margin: .25rem 0 .6rem; }
.timeset legend, .crewset legend { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-soft); padding: 0 .4rem; }

/* Bovenrij: datum met de onderhoudsteller erboven de functiekolom. Zelfde
   kolommen en padding als het bemanningskader, zodat beide precies uitlijnen. */
.toprow {
  display: grid;
  grid-template-columns: 11rem 5rem;
  gap: .3rem .5rem;
  align-items: center;
  /* +1px voor de rand die het kader eronder wel heeft en deze rij niet. */
  padding: 0 calc(.8rem + 1px);
  margin-bottom: .5rem;
}
.toprow input { margin-bottom: 0; }
.toprow input[type=text] { text-align: center; font-variant-numeric: tabular-nums; }

/* Bemanning: één rij per persoon, naam met de functie ernaast. */
.crewgrid {
  display: grid;
  grid-template-columns: 11rem 5rem;
  gap: .3rem .5rem;
  align-items: center;
  margin-bottom: .6rem;
}
/* Vlucht: aard, plaatsen en landingen op één regel. */
.flightgrid {
  display: grid;
  grid-template-columns: 5rem 4.25rem 4.25rem 3.75rem;
  gap: .3rem .5rem;
  align-items: center;
  margin-bottom: .6rem;
}
.flightgrid input { text-align: center; }

/* Vaste hoogte, zodat input en select op dezelfde regel exact gelijk staan. */
.crewgrid input, .crewgrid select,
.flightgrid input, .flightgrid select,
.timegrid input { margin-bottom: 0; }

/* Compacte veldhoogte in alle pop-ups. */
.modal input:not([type=checkbox]), .modal select {
  height: 30px;
  padding-top: .15rem;
  padding-bottom: .15rem;
  line-height: 1.25;
}
/* Kruistabel zoals in het boordboek: rijen blok/start-landing, kolommen vertrek/aankomst. */
.timegrid {
  display: grid;
  /* Zelfde kolommen als .flightgrid, zodat de vertrek- en aankomsttijden
     recht onder Vertrek en Aankomst van het vluchtkader staan. */
  grid-template-columns: 5rem 4.25rem 4.25rem 3.75rem;
  gap: .3rem .5rem;
  align-items: center;
  margin-bottom: .6rem;
}
.timegrid input { margin-bottom: 0; text-align: center; padding-left: .3rem; padding-right: .3rem; }
.timehead { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-soft); text-align: center; }
.timerow { font-size: .8rem; font-weight: 600; }
/* (LT) achter de kop: alle tijden in dit kader zijn lokale tijden. */
.legend-note { font-weight: 400; letter-spacing: 0; text-transform: none; }
/* Berekende vliegtijd, direct achter de tijden waar die uit volgt. */
.calcval {
  font-weight: 700;
  color: var(--primary-dark);
  font-variant-numeric: tabular-nums;
  text-align: center;
  white-space: nowrap;
}

.modal .form { padding: 1.1rem 1.35rem 1.25rem; }
.modal .help { margin-top: -.35rem; }

@media (max-width: 620px) {
  /* Op smalle schermen alleen de brede velden laten uitrekken; codes en tijden
     blijven klein, en <input type="date"|"time"> opent de picker van het toestel. */
  .fld-name, .fld-select { width: 100%; }
  .crewgrid { grid-template-columns: 1fr max-content; }
  .timegrid { grid-template-columns: max-content 1fr 1fr max-content; gap: .4rem .6rem; }
}

/* ---------- tables ---------- */
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-soft); }
.table tbody tr:hover { background: #f7f9fe; }
.row-cancelled { color: var(--ink-soft); text-decoration: line-through; }
.remark-cell { max-width: 22ch; }

@media (max-width: 780px) {
  .grid-2 { grid-template-columns: 1fr; }
  .slot { grid-template-columns: 6rem 1fr; }
  .slot-tag { grid-column: 2; }
  .cal-cell { min-height: 74px; }
  .cal-list { display: none; }
}