/* ============================================
   ZPK Budel — Reserveringssysteem
   Huisstijl: rood, zwart, wit — water accent
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Barlow:wght@300;400;500;600&display=swap');

:root {
    --rood:      #d32f2f;
    --rood-d:    #8b0000;
    --rood-l:    #ffebee;
    --zwart:     #1a1a1a;
    --donker:    #212121;
    --grijs-d:   #424242;
    --grijs:     #757575;
    --grijs-l:   #e0e0e0;
    --grijs-xl:  #f5f5f5;
    --wit:       #ffffff;
    --water:     #1565c0;
    --water-l:   #e3f2fd;
    --groen:     #2e7d32;
    --groen-l:   #e8f5e9;
    --oranje:    #e65100;
    --oranje-l:  #fff3e0;
    --shadow:    0 2px 12px rgba(0,0,0,.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.18);
    --radius:    10px;
    --radius-sm: 6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: 'Barlow', sans-serif;
    background: var(--grijs-xl);
    color: var(--donker);
    min-height: 100vh;
    line-height: 1.6;
}

/* ── Header ── */
.site-header {
    background: var(--zwart);
    border-bottom: 4px solid var(--rood);
    padding: 0;
}
.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-logo {
    height: 72px;
    width: auto;
    flex-shrink: 0;
}
.header-tekst {}
.site-naam {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--wit);
    letter-spacing: .02em;
    line-height: 1.1;
    text-transform: uppercase;
}
.site-naam span { color: var(--rood); }
.site-subtitel {
    color: rgba(255,255,255,.5);
    font-size: .83rem;
    font-weight: 400;
    margin-top: 2px;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.header-nav {
    margin-left: auto;
    display: flex;
    gap: 4px;
}
.header-nav a {
    color: rgba(255,255,255,.6);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 500;
    transition: all .2s;
}
.header-nav a:hover { color: var(--wit); background: rgba(255,255,255,.08); }

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.pagina-inhoud { padding: 36px 0 80px; }

/* ── Flash alerts ── */
.alert {
    padding: 13px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 22px;
    font-size: .92rem;
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-succes      { background: var(--groen-l);  border-color: var(--groen);  color: #1b5e20; }
.alert-fout        { background: var(--rood-l);   border-color: var(--rood);   color: var(--rood-d); }
.alert-info        { background: var(--water-l);  border-color: var(--water);  color: var(--water); }
.alert-waarschuwing{ background: var(--oranje-l); border-color: var(--oranje); color: var(--oranje); }

/* ── Sectie titel ── */
.sectie-titel {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--zwart);
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: .05em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sectie-titel::after {
    content: '';
    flex: 1;
    height: 2px;
    background: var(--rood);
    border-radius: 2px;
}

/* ── Trainingen grid ── */
.training-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
}

.training-kaart {
    background: var(--wit);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
    border: 1px solid rgba(0,0,0,.07);
}
.training-kaart:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.kaart-kop {
    background: var(--rood);
    padding: 16px 20px 14px;
    position: relative;
}
.kaart-kop.vol { background: var(--grijs-d); }

.kaart-datum {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--wit);
    text-transform: uppercase;
    letter-spacing: .03em;
}
.kaart-tijd {
    color: rgba(255,255,255,.8);
    font-size: .85rem;
    margin-top: 2px;
}

.beschikbaarheid-badge {
    position: absolute;
    top: 12px; right: 14px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.badge-vrij  { background: rgba(255,255,255,.2); color: #fff; border: 1px solid rgba(255,255,255,.4); }
.badge-vol   { background: rgba(0,0,0,.3); color: #ccc; border: 1px solid rgba(255,255,255,.2); }
.badge-bijna { background: rgba(230,81,0,.3); color: #ffcc80; border: 1px solid rgba(255,160,0,.4); }

.kaart-body { padding: 18px 20px 20px; }

/* Capaciteitsbalk */
.capaciteit-balk { margin-bottom: 14px; }
.capaciteit-label {
    display: flex;
    justify-content: space-between;
    font-size: .8rem;
    color: var(--grijs);
    margin-bottom: 5px;
}
.capaciteit-label strong { color: var(--donker); }
.balk-achtergrond { background: var(--grijs-l); border-radius: 4px; height: 7px; overflow: hidden; }
.balk-vulling { height: 100%; border-radius: 4px; transition: width .4s ease; }
.balk-vrij  { background: var(--groen); }
.balk-bijna { background: var(--oranje); }
.balk-vol   { background: var(--grijs-d); }

/* Groepen */
.groepen-info { font-size: .82rem; color: var(--grijs); margin-bottom: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.groep-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--grijs-xl);
    border: 1px solid var(--grijs-l);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 600;
}
.groep-chip.vol { opacity: .45; text-decoration: line-through; }

.omschrijving { font-size: .88rem; color: var(--grijs); margin-bottom: 14px; font-style: italic; }

.kaart-acties { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Knoppen ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-family: 'Barlow', sans-serif;
    font-size: .87rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all .18s ease;
    letter-spacing: .01em;
}
.btn-primair { background: var(--rood); color: var(--wit); }
.btn-primair:hover { background: var(--rood-d); transform: translateY(-1px); }
.btn-gevaar { background: var(--rood-l); color: var(--rood); border: 1px solid rgba(211,47,47,.25); }
.btn-gevaar:hover { background: var(--rood); color: var(--wit); }
.btn-secundair { background: var(--grijs-xl); color: var(--donker); border: 1px solid var(--grijs-l); }
.btn-secundair:hover { background: var(--grijs-l); }
.btn-gast { background: #fff8e1; color: #e65100; border: 1px solid #ffcc02; }
.btn-gast:hover { background: #ffe082; }
.btn-klein { padding: 6px 13px; font-size: .8rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ── Formulieren ── */
.formulier-kaart {
    background: var(--wit);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 30px;
    max-width: 560px;
    margin: 0 auto;
    border: 1px solid rgba(0,0,0,.06);
}
.formulier-titel {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--zwart);
    text-transform: uppercase;
    letter-spacing: .03em;
    margin-bottom: 4px;
}
.formulier-subtitel { font-size: .87rem; color: var(--grijs); margin-bottom: 24px; }

.veld-groep { margin-bottom: 18px; }
.veld-label {
    display: block;
    font-size: .83rem;
    font-weight: 600;
    color: var(--donker);
    margin-bottom: 5px;
    letter-spacing: .03em;
    text-transform: uppercase;
}
.veld-label .optioneel { font-weight: 400; color: var(--grijs); text-transform: none; font-size: .8rem; }
.veld-input, .veld-select, .veld-textarea {
    width: 100%;
    padding: 10px 13px;
    border: 1.5px solid var(--grijs-l);
    border-radius: var(--radius-sm);
    font-family: 'Barlow', sans-serif;
    font-size: .92rem;
    color: var(--donker);
    background: var(--wit);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.veld-input:focus, .veld-select:focus, .veld-textarea:focus {
    border-color: var(--rood);
    box-shadow: 0 0 0 3px rgba(211,47,47,.1);
}
.veld-hint { font-size: .77rem; color: var(--grijs); margin-top: 4px; }

.formulier-acties { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }

/* ── Inline formulier ── */
.inline-formulier {
    background: var(--grijs-xl);
    border: 1px solid var(--grijs-l);
    border-top: 3px solid var(--rood);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    padding: 18px;
    margin-top: 10px;
    display: none;
}
.inline-formulier.gast-modus { border-top-color: var(--oranje); }
.inline-formulier.open { display: block; }

/* Zwemmer keuze knoppen */
.zwemmer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
    margin-bottom: 4px;
}
.zwemmer-knop {
    padding: 10px 12px;
    border: 2px solid var(--grijs-l);
    border-radius: var(--radius-sm);
    background: var(--wit);
    cursor: pointer;
    font-family: 'Barlow', sans-serif;
    font-size: .88rem;
    font-weight: 600;
    color: var(--donker);
    text-align: left;
    transition: all .15s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.zwemmer-knop:hover { border-color: var(--rood); background: var(--rood-l); }
.zwemmer-knop.geselecteerd { border-color: var(--rood); background: var(--rood); color: var(--wit); }
.zwemmer-knop.al-ingeschreven { opacity: .4; cursor: not-allowed; text-decoration: line-through; }
.zwemmer-avatar {
    width: 28px; height: 28px;
    background: var(--grijs-l);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    color: var(--grijs-d);
    flex-shrink: 0;
}
.zwemmer-knop.geselecteerd .zwemmer-avatar { background: rgba(255,255,255,.25); color: var(--wit); }

/* ── Lege staat ── */
.lege-staat { text-align: center; padding: 50px 24px; color: var(--grijs); }

/* ── Admin header ── */
.admin-header {
    background: var(--zwart);
    border-bottom: 3px solid var(--rood);
}
.admin-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
}
.admin-logo {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--wit);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px 14px 0;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-right: 1px solid rgba(255,255,255,.1);
    margin-right: 8px;
}
.admin-logo img { height: 36px; width: auto; }
.admin-logo span { color: var(--rood); }
.admin-nav { display: flex; gap: 0; flex-wrap: wrap; }
.admin-nav a {
    color: rgba(255,255,255,.6);
    text-decoration: none;
    padding: 18px 16px;
    font-size: .85rem;
    font-weight: 500;
    transition: all .18s;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.admin-nav a:hover { color: var(--wit); background: rgba(255,255,255,.05); }
.admin-nav a.actief { color: var(--wit); border-bottom-color: var(--rood); }
.admin-nav a.uitloggen { color: rgba(255,100,100,.7); margin-left: auto; }
.admin-nav a.uitloggen:hover { color: #fff; background: var(--rood); }

/* ── Admin tabel ── */
.admin-tabel {
    width: 100%;
    border-collapse: collapse;
    background: var(--wit);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.admin-tabel th {
    background: var(--zwart);
    color: var(--wit);
    padding: 12px 16px;
    text-align: left;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.admin-tabel td { padding: 11px 16px; border-bottom: 1px solid var(--grijs-l); font-size: .89rem; vertical-align: middle; }
.admin-tabel tr:last-child td { border-bottom: none; }
.admin-tabel tr:hover td { background: var(--grijs-xl); }

/* ── Status badges ── */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.status-vrij   { background: var(--groen-l); color: var(--groen); }
.status-bijna  { background: var(--oranje-l); color: var(--oranje); }
.status-vol    { background: var(--rood-l); color: var(--rood); }
.status-actief { background: var(--water-l); color: var(--water); }
.status-gast   { background: #fff8e1; color: #e65100; }

/* ── Stats ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}
.stat-kaart {
    background: var(--wit);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px 22px;
    border-top: 4px solid var(--rood);
}
.stat-getal {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--rood);
    line-height: 1;
}
.stat-label {
    font-size: .78rem;
    color: var(--grijs);
    margin-top: 3px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
}

/* ── Paginatitel ── */
.paginatitel {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--zwart);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 4px;
}
.paginaondertitel { color: var(--grijs); font-size: .88rem; margin-bottom: 28px; }
.divider { height: 1px; background: var(--grijs-l); margin: 24px 0; }

/* ── Footer ── */
.site-footer {
    background: var(--zwart);
    border-top: 3px solid var(--rood);
    color: rgba(255,255,255,.35);
    text-align: center;
    padding: 20px 24px;
    font-size: .8rem;
}
.site-footer a { color: rgba(255,255,255,.4); }

/* ── Bevestiging ── */
.confirmatie-kaart { max-width: 500px; margin: 0 auto; background: var(--wit); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; text-align: center; }
.confirmatie-kop { background: var(--rood); padding: 36px 28px; color: var(--wit); }
.vinkje { width: 60px; height: 60px; background: rgba(255,255,255,.2); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 1.8rem; margin-bottom: 14px; }
.confirmatie-body { padding: 28px; }
.token-box { background: var(--grijs-xl); border: 2px dashed var(--rood); border-radius: var(--radius-sm); padding: 12px 16px; font-family: monospace; font-size: 1rem; letter-spacing: .1em; color: var(--rood-d); font-weight: 700; margin: 14px 0; word-break: break-all; }

/* ── Responsive ── */
@media (max-width: 640px) {
    .training-grid { grid-template-columns: 1fr; }
    .kaart-acties { flex-direction: column; }
    .formulier-kaart { padding: 20px 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .header-inner { padding: 12px 16px; gap: 12px; }
    .header-logo { height: 52px; }
    .site-naam { font-size: 1.3rem; }
    .zwemmer-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   MOBIEL OPTIMALISATIES
   ============================================ */

/* Grotere aanraakdoelen op mobiel */
@media (max-width: 768px) {

    /* Header compacter */
    .header-inner {
        padding: 10px 14px;
        gap: 10px;
    }
    .header-logo { height: 48px; }
    .site-naam { font-size: 1.15rem; }
    .site-subtitel { font-size: .72rem; }
    .header-nav a { padding: 6px 10px; font-size: .8rem; }

    /* Trainingen: één kolom */
    .training-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    /* Kaart knoppen: volledig breed en groter */
    .kaart-acties {
        flex-direction: column;
        gap: 8px;
    }
    .kaart-acties .btn {
        width: 100%;
        justify-content: center;
        padding: 13px 16px;
        font-size: .95rem;
    }

    /* Inline formulier */
    .inline-formulier { padding: 14px 12px; }

    /* Zwemmer knoppen: 2 kolommen op mobiel */
    .zwemmer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .zwemmer-knop {
        padding: 12px 10px;
        font-size: .85rem;
        min-height: 52px;
    }
    .zwemmer-avatar { width: 24px; height: 24px; font-size: .68rem; }

    /* Veld inputs groter voor mobiel */
    .veld-input, .veld-select, .veld-textarea {
        padding: 13px 14px;
        font-size: 1rem; /* Voorkomt zoom op iOS */
    }

    /* Bevestig-knop groter */
    #submit_1, [id^="submit_"] {
        padding: 13px 20px;
        font-size: .95rem;
        width: 100%;
        justify-content: center;
    }

    /* Formulier kaart */
    .formulier-kaart { padding: 18px 14px; }

    /* Sectie titels */
    .sectie-titel { font-size: 1.2rem; }

    /* Pagina padding */
    .pagina-inhoud { padding: 20px 0 60px; }
    .container { padding: 0 12px; }

    /* Footer */
    .site-footer { padding: 16px; font-size: .75rem; }

    /* Admin header mobiel */
    .admin-header-inner {
        flex-wrap: wrap;
        padding: 0 12px;
    }
    .admin-logo {
        padding: 12px 12px 12px 0;
        font-size: 1rem;
    }
    .admin-logo img { height: 28px; }
    .admin-nav {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        border-top: 1px solid rgba(255,255,255,.08);
    }
    .admin-nav a {
        padding: 12px 12px;
        font-size: .8rem;
        white-space: nowrap;
    }

    /* Admin tabellen: horizontaal scrollbaar */
    .admin-tabel th, .admin-tabel td {
        padding: 9px 10px;
        font-size: .82rem;
    }

    /* Stats grid: 2 kolommen */
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-getal { font-size: 1.9rem; }

    /* Paginatitel */
    .paginatitel { font-size: 1.5rem; }

    /* Knoppen in admin tabel */
    .admin-tabel .btn { padding: 6px 10px; font-size: .78rem; }
}

/* Extra klein scherm (< 400px) */
@media (max-width: 400px) {
    .zwemmer-grid { grid-template-columns: 1fr; }
    .site-naam { font-size: 1rem; }
    .header-logo { height: 40px; }
    .stats-grid { grid-template-columns: 1fr; }
}

/* iOS: voorkom automatisch zoomen op input focus */
@supports (-webkit-touch-callout: none) {
    .veld-input, .veld-select, .veld-textarea {
        font-size: 16px !important;
    }
}

/* ── Wie doet mee ── */
.btn-wie {
    background: #e8f3fd;
    color: var(--water);
    border: 1px solid #b3d4f5;
    font-weight: 600;
}
.btn-wie:hover { background: var(--water); color: var(--wit); }

.deelnemers-lijst {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.deelnemer-rij {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--wit);
    border-radius: var(--radius-sm);
    border: 1px solid var(--grijs-l);
}
.deelnemer-naam {
    font-weight: 600;
    font-size: .9rem;
    color: var(--donker);
}

/* ── Zwemmer weergave ── */
.zwemmer-keuze-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 4px;
}
.zwemmer-keuze-kaart {
    background: var(--wit);
    border: 1.5px solid var(--grijs-l);
    border-radius: var(--radius);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--donker);
    box-shadow: var(--shadow);
    transition: all .18s;
}
.zwemmer-keuze-kaart:hover {
    border-color: var(--rood);
    background: #fff5f5;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.zwemmer-keuze-avatar {
    width: 42px; height: 42px;
    background: var(--rood);
    color: var(--wit);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .9rem;
    font-weight: 800;
    flex-shrink: 0;
    font-family: 'Barlow Condensed', sans-serif;
    letter-spacing: .03em;
}
.zwemmer-keuze-naam {
    font-weight: 600;
    font-size: .93rem;
    flex: 1;
}
.zwemmer-keuze-pijl {
    color: var(--grijs);
    font-size: 1.3rem;
    font-weight: 300;
}

.zwemmer-profiel-kop {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.zwemmer-profiel-info {
    display: flex;
    align-items: center;
    gap: 14px;
}
.zwemmer-profiel-avatar {
    width: 52px; height: 52px;
    background: var(--rood);
    color: var(--wit);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    font-family: 'Barlow Condensed', sans-serif;
    flex-shrink: 0;
}
.zwemmer-profiel-naam {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--zwart);
    text-transform: uppercase;
    letter-spacing: .03em;
    line-height: 1.1;
}
.zwemmer-profiel-sub {
    font-size: .85rem;
    color: var(--grijs);
    margin-top: 2px;
}

.zwemmer-trainingen-lijst { display: flex; flex-direction: column; gap: 8px; }

.zw-datum-groep { margin-bottom: 20px; }
.zw-datum-label {
    font-size: .82rem;
    font-weight: 700;
    color: var(--grijs);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 8px;
    padding-left: 2px;
}

.zw-training-kaart {
    background: var(--wit);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,.06);
    border-left: 4px solid var(--rood);
    overflow: hidden;
}
.zw-training-kop {
    padding: 16px 18px 12px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}
.zw-training-tijd {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--zwart);
    letter-spacing: .02em;
}
.zw-training-omschr {
    font-size: .83rem;
    color: var(--grijs);
    font-style: italic;
    margin-top: 2px;
}
.zw-bezetting {
    font-size: .8rem;
    color: var(--grijs);
    font-weight: 600;
}
.zw-training-acties {
    padding: 0 18px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .zwemmer-keuze-grid { grid-template-columns: 1fr 1fr; }
    .zwemmer-keuze-kaart { padding: 12px 14px; gap: 8px; }
    .zwemmer-keuze-avatar { width: 36px; height: 36px; font-size: .8rem; }
    .zwemmer-keuze-naam { font-size: .85rem; }
    .zw-training-kop { flex-direction: column; gap: 8px; }
    .zw-bezetting { text-align: left; }
    .balk-achtergrond { margin-left: 0 !important; }
}

/* ── Wachtlijst knop ── */
.btn-wacht {
    background: #e8f3fd;
    color: var(--water);
    border: 1.5px solid #b3d4f5;
    font-weight: 600;
}
.btn-wacht:hover { background: var(--water); color: var(--wit); }