:root {
    --bg: #f1f5f9;
    --paneel: #ffffff;
    --rand: #e2e8f0;
    --tekst: #0f172a;
    --tekst-zacht: #64748b;
    --primair: #2563eb;
    --gevaar: #dc2626;
    --radius: 10px;
    --schaduw: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .1);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--tekst);
    background: var(--bg);
}

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.25rem;
    background: var(--paneel);
    border-bottom: 1px solid var(--rand);
    position: sticky;
    top: 0;
    z-index: 10;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--tekst); text-decoration: none; letter-spacing: .02em; }

/* Knoppen */
.btn {
    display: inline-block;
    padding: .5rem .9rem;
    border: 1px solid var(--rand);
    border-radius: 8px;
    background: var(--paneel);
    color: var(--tekst);
    text-decoration: none;
    font-size: .9rem;
    cursor: pointer;
}
.btn:hover { background: #f8fafc; }
.btn-primary { background: var(--primair); border-color: var(--primair); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-gevaar { background: #fff; border-color: var(--gevaar); color: var(--gevaar); }
.btn-gevaar:hover { background: var(--gevaar); color: #fff; }
.btn-klein { padding: .35rem .7rem; font-size: .82rem; }
.btn-breed { width: 100%; }

/* Topbar-gebruikersmenu */
.topnav { display: flex; align-items: center; gap: 1rem; }
.gebruiker-menu { display: flex; align-items: center; gap: .8rem; }
.gebruiker-naam { font-size: .88rem; font-weight: 600; color: var(--tekst); }
.menu-link { font-size: .85rem; color: var(--tekst-zacht); text-decoration: none; }
.menu-link:hover { color: var(--tekst); }
.logout-form { margin: 0; }

/* Login */
.auth-wrap { display: flex; justify-content: center; align-items: flex-start; padding-top: 8vh; }
.auth-kaart {
    background: var(--paneel);
    border: 1px solid var(--rand);
    border-radius: var(--radius);
    box-shadow: var(--schaduw);
    padding: 2rem;
    width: 100%;
    max-width: 380px;
}
.auth-kaart h1 { margin: 0 0 .2rem; font-size: 1.5rem; }
.auth-sub { color: var(--tekst-zacht); margin-top: 0; font-size: .9rem; }
.auth-form label { margin-bottom: 1rem; }
.melding-fout { background: #fee2e2; border: 1px solid #fca5a5; color: #991b1b; }
.melding-gelukt { background: #dcfce7; border: 1px solid #86efac; color: #166534; }
.form-kop { font-size: 1.05rem; margin-top: 0; }

main { padding: 1.25rem; }

/* Bord-kop */
.board-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 1rem;
}
.board-header h1 { margin: 0; font-size: 1.4rem; }
.totaal { color: var(--tekst-zacht); font-size: .95rem; }
.totaal strong { color: var(--tekst); }

/* Bord */
.board {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    overflow-x: auto;
    padding-bottom: 1rem;
}
.kolom {
    flex: 0 0 280px;
    background: #e9eef5;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 180px);
}
.kolom-gewonnen { background: #dcfce7; }

.kolom-kop {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .7rem .8rem;
    border-top: 3px solid var(--fase-kleur, #64748b);
    border-radius: var(--radius) var(--radius) 0 0;
    font-weight: 600;
}
.kolom-aantal {
    background: rgba(15, 23, 42, .1);
    border-radius: 999px;
    padding: .05rem .5rem;
    font-size: .8rem;
    font-weight: 600;
    color: var(--tekst-zacht);
}

.kaarten {
    padding: .6rem;
    overflow-y: auto;
    flex: 1;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    gap: .55rem;
}

/* Kaart */
.kaart {
    background: var(--paneel);
    border: 1px solid var(--rand);
    border-radius: 8px;
    padding: .65rem .7rem;
    box-shadow: var(--schaduw);
    cursor: grab;
}
.kaart:active { cursor: grabbing; }
.kaart-titel { font-weight: 600; font-size: .92rem; }
.kaart-sub { color: var(--tekst-zacht); font-size: .82rem; margin-top: .1rem; }
.kaart-voet { display: flex; align-items: center; justify-content: space-between; margin-top: .5rem; }
.kaart-bedrag { font-size: .82rem; font-weight: 600; color: #047857; }
.kaart-datum { color: var(--tekst-zacht); font-size: .72rem; margin-top: .35rem; }

/* Sortable hulpklassen */
.sortable-ghost { opacity: .4; }
.sortable-chosen { box-shadow: 0 6px 16px rgba(15, 23, 42, .18); }

/* Bronlabels */
.bron {
    display: inline-block;
    padding: .12rem .5rem;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 600;
    color: #fff;
}
.bron-seo    { background: #16a34a; }
.bron-sea    { background: #2563eb; }
.bron-social { background: #db2777; }
.bron-direct { background: #64748b; }

/* Formulier */
.form-wrap { max-width: 760px; margin: 0 auto; }
.terug { color: var(--tekst-zacht); text-decoration: none; font-size: .9rem; }
.terug:hover { color: var(--tekst); }
.lead-form { background: var(--paneel); border: 1px solid var(--rand); border-radius: var(--radius); padding: 1.25rem; margin-top: .5rem; }
.rij { display: flex; gap: 1rem; flex-wrap: wrap; }
.rij > label { flex: 1; min-width: 200px; }
label { display: block; margin-bottom: .9rem; font-size: .85rem; font-weight: 600; color: var(--tekst-zacht); }
input, select, textarea {
    width: 100%;
    margin-top: .3rem;
    padding: .55rem .6rem;
    border: 1px solid var(--rand);
    border-radius: 8px;
    font-size: .92rem;
    font-family: inherit;
    color: var(--tekst);
    font-weight: 400;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--primair); }
.form-acties { display: flex; gap: .6rem; margin-top: .4rem; }
.verwijder-form { margin-top: 1.5rem; }

.melding { padding: .7rem .9rem; border-radius: 8px; font-size: .9rem; }
.melding-waarschuwing { background: #fef9c3; border: 1px solid #fde047; color: #854d0e; }

.historie { margin-top: 2rem; }
.historie h2 { font-size: 1.05rem; }
.historie ul { list-style: none; padding: 0; }
.historie li { padding: .5rem .7rem; background: var(--paneel); border: 1px solid var(--rand); border-radius: 8px; margin-bottom: .4rem; font-size: .88rem; }
.historie time { color: var(--tekst-zacht); margin-right: .6rem; font-variant-numeric: tabular-nums; }

.leeg { text-align: center; color: var(--tekst-zacht); padding: 3rem; }