#bookiluki-app.bk-widget {
    --bk-primary: #006666;
    --bk-accent: #ffd400;
    --bk-soft: #f0f8f8;
    --bk-text: #272727;
    --bk-border: #dfe6e9;
    --bk-input: #dddddd;
    --bk-muted: #6c6c6c;
    --bk-grey: #a7b1b6;
    --bk-error: #d94141;
    --bk-radius: 10px;
    --bk-h: 48px;
    max-width: 1080px;
    margin: 0 auto;
    background: #fff;
    color: var(--bk-text);
    border: 1px solid var(--bk-border);
    border-radius: 16px;
    box-shadow: 0 18px 50px rgba(0, 60, 60, .10);
    overflow: hidden;
    font-family: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}
#bookiluki-app.bk-widget * { box-sizing: border-box; }
#bookiluki-app .bk-h { margin: 0 0 18px; font-size: 22px; font-weight: 400; color: var(--bk-primary); text-align: center; }

/* ---------- step nav ---------- */
.bk-nav { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--bk-input); background: #fff; }
.bk-step { display: flex; align-items: center; gap: 9px; padding: 16px 18px; font-size: 14px; color: var(--bk-text); flex: 1 1 auto; justify-content: center; }
.bk-badge {
    width: 24px; height: 24px; border-radius: 50%; flex: 0 0 24px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    background: color-mix(in srgb, var(--bk-primary) 12%, #fff);
    color: var(--bk-primary);
}
.bk-step.is-active .bk-badge { background: var(--bk-accent); color: var(--bk-text); }
.bk-step.is-done .bk-badge { background: color-mix(in srgb, var(--bk-primary) 12%, #fff); color: var(--bk-primary); }
.bk-step.is-active .bk-step-t { font-weight: 700; }
.bk-step:not(.is-active) .bk-step-t { color: var(--bk-grey); }
.bk-check { font-weight: 700; }

.bk-body { padding: 26px 28px 30px; min-height: 220px; }

/* ---------- cards (service/staff) ---------- */
.bk-cat { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--bk-muted); margin: 16px 0 10px; }
.bk-cards { list-style: none; margin: 0 0 4px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.bk-card {
    position: relative; cursor: pointer; background: var(--bk-soft);
    border: 2px solid transparent; border-radius: var(--bk-radius);
    padding: 16px 18px; min-height: 64px;
    display: flex; flex-direction: column; justify-content: center; gap: 4px;
    transition: border-color .12s ease, box-shadow .12s ease, opacity .12s ease;
}
.bk-card:hover { border-color: var(--bk-accent); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 60, 60, .10); }
.bk-card-t { font-size: 15px; font-weight: 700; }
.bk-card-m { font-size: 12px; color: var(--bk-muted); }

/* ---------- calendar + slots ---------- */
.bk-dt { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.bk-cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.bk-cal-title { font-weight: 700; color: var(--bk-text); text-transform: capitalize; }
.bk-cal-nav {
    width: 34px; height: 34px; border: 1px solid var(--bk-border); background: #fff;
    color: var(--bk-primary); border-radius: var(--bk-radius); cursor: pointer; font-size: 18px; line-height: 1;
}
.bk-cal-nav:hover { background: var(--bk-accent); border-color: var(--bk-accent); color: var(--bk-text); }
.bk-cal-week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 4px; }
.bk-cal-week span { text-align: center; font-size: 11px; color: var(--bk-muted); padding: 4px 0; }
.bk-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.bk-day {
    aspect-ratio: 1 / 1; border: 2px solid transparent; border-radius: var(--bk-radius);
    background: var(--bk-soft); color: var(--bk-primary); font-size: 13px; font-weight: 700;
    cursor: pointer; padding: 0; font-family: inherit;
}
.bk-day.is-avail:hover { border-color: var(--bk-accent); }
.bk-day.is-sel { border-color: var(--bk-accent); background: color-mix(in srgb, var(--bk-accent) 20%, #fff); }
.bk-day.is-today { box-shadow: inset 0 0 0 1px var(--bk-primary); }
.bk-day.is-off { background: #fff; color: var(--bk-grey); border: 1px solid color-mix(in srgb, #ff836b 50%, #fff); cursor: not-allowed; }
.bk-day.is-other { background: transparent; color: transparent; border: 0; cursor: default; }

.bk-slots { min-height: 120px; }
.bk-slots-hint { color: var(--bk-muted); padding: 20px 0; text-align: center; }
.bk-times { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 10px; }
.bk-time {
    height: 40px; display: flex; align-items: center; justify-content: center;
    background: var(--bk-soft); border: 2px solid transparent; border-radius: var(--bk-radius);
    cursor: pointer; font-size: 14px; font-family: inherit; color: var(--bk-text); transition: border-color .12s ease, transform .12s ease;
}
.bk-time:hover { border-color: var(--bk-accent); transform: translateY(-1px); }
.bk-time.is-busy {
    cursor: not-allowed; color: var(--bk-grey); background: repeating-linear-gradient(45deg, #f4f6f7, #f4f6f7 6px, #eceff1 6px, #eceff1 12px);
    border-color: transparent; text-decoration: line-through; transform: none;
}
.bk-legend { display: flex; align-items: center; gap: 7px; margin-top: 12px; font-size: 12px; color: var(--bk-muted); }
.bk-legend-dot { width: 14px; height: 14px; border-radius: 3px; background: repeating-linear-gradient(45deg, #f4f6f7, #f4f6f7 4px, #eceff1 4px, #eceff1 8px); border: 1px solid var(--bk-border); }

/* ---------- zgoda RODO ---------- */
.bk-gdpr { flex-direction: row !important; align-items: flex-start; gap: 10px !important; font-weight: 400 !important; font-size: 13px !important; color: var(--bk-muted) !important; background: var(--bk-soft); border-radius: var(--bk-radius); padding: 12px 14px; cursor: pointer; }
.bk-gdpr input { width: 18px; height: 18px; flex: 0 0 18px; margin-top: 1px; accent-color: var(--bk-primary); }
.bk-gdpr a { color: var(--bk-primary); font-weight: 600; }

/* ---------- details form ---------- */
.bk-summary { background: var(--bk-soft); border-radius: var(--bk-radius); padding: 12px 16px; margin-bottom: 18px; display: flex; flex-direction: column; gap: 3px; }
.bk-summary span { color: var(--bk-muted); font-size: 13px; }
.bk-form { display: flex; flex-direction: column; gap: 14px; max-width: 680px; margin: 0 auto; }
.bk-form label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 700; color: var(--bk-text); }
.bk-form input, .bk-form textarea {
    height: var(--bk-h); border: 1px solid var(--bk-input); border-radius: var(--bk-radius);
    background: #fff; color: var(--bk-text); font-size: 16px; font-weight: 400; font-family: inherit;
    padding: 0 14px;
}
.bk-form textarea { height: auto; padding: 12px 14px; }
.bk-form input:focus, .bk-form textarea:focus { outline: none; border-color: var(--bk-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--bk-primary) 18%, transparent); }

.bk-submit {
    height: var(--bk-h); min-width: 150px; align-self: center; padding: 0 24px;
    background: var(--bk-primary); color: #fff; border: 0; border-radius: var(--bk-radius);
    font-size: 15px; font-weight: 600; cursor: pointer; text-transform: capitalize; transition: opacity .12s ease;
}
.bk-submit:hover { opacity: .9; }
.bk-submit:disabled { opacity: .6; cursor: default; }
.bk-err { background: color-mix(in srgb, var(--bk-error) 10%, #fff); color: var(--bk-error); border: 1px solid var(--bk-error); border-radius: var(--bk-radius); padding: 10px 12px; font-size: 14px; }

/* ---------- back / states ---------- */
.bk-backbar { margin-top: 20px; text-align: center; }
.bk-back { background: none; border: 0; color: var(--bk-muted); cursor: pointer; font: inherit; font-weight: 600; }
.bk-back:hover { color: var(--bk-primary); }
.bk-back::before { content: "‹ "; }
.bk-empty { color: var(--bk-muted); text-align: center; padding: 30px 0; }

.bk-loading { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--bk-muted); padding: 36px 0; }
.bk-spin { width: 22px; height: 22px; border: 3px solid color-mix(in srgb, var(--bk-primary) 25%, #fff); border-top-color: var(--bk-primary); border-radius: 50%; animation: bk-spin 0.8s linear infinite; }
@keyframes bk-spin { to { transform: rotate(360deg); } }

/* ---------- done ---------- */
.bk-done { text-align: center; padding: 6px 0; }
.bk-done-icon { width: 64px; height: 64px; line-height: 64px; margin: 0 auto 16px; border-radius: 50%; background: color-mix(in srgb, var(--bk-primary) 14%, #fff); color: var(--bk-primary); font-size: 32px; font-weight: 700; }
.bk-done-title { margin: 0 0 18px; font-size: 20px; color: var(--bk-primary); font-weight: 400; }
.bk-done-card { display: block; max-width: 380px; margin: 0 auto 20px; background: var(--bk-soft); border-radius: var(--bk-radius); padding: 8px 18px; }
.bk-done-row { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--bk-border); }
.bk-done-row:last-child { border-bottom: 0; }
.bk-done-row span { color: var(--bk-muted); }

/* ---------- buttons: add-to-calendar / finish ---------- */
.bk-cal-add { max-width: 440px; margin: 0 auto 22px; padding: 16px; background: var(--bk-soft); border-radius: var(--bk-radius); text-align: center; }
.bk-cal-add-h { font-size: 13px; font-weight: 700; color: var(--bk-muted); margin-bottom: 12px; }
.bk-cal-add-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.bk-done-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 6px; }
.bk-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: var(--bk-h); padding: 0 22px; border-radius: var(--bk-radius);
    font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
    border: 2px solid transparent; font-family: inherit; line-height: 1;
    transition: transform .12s ease, opacity .12s ease, border-color .12s ease, background .12s ease;
}
.bk-btn:hover { transform: translateY(-2px); }
.bk-btn-primary { background: var(--bk-primary); color: #fff; }
.bk-btn-primary:hover { opacity: .92; }
.bk-btn-ghost { background: #fff; color: var(--bk-primary); border-color: var(--bk-border); }
.bk-btn-ghost:hover { border-color: var(--bk-primary); }

@media (max-width: 640px) {
    #bookiluki-app.bk-widget { border-radius: 12px; }
    .bk-body { padding: 20px 16px 24px; }
    .bk-dt { grid-template-columns: 1fr; gap: 18px; }
    .bk-step-t { display: none; }
    .bk-step { flex: 1; padding: 14px 6px; }
    .bk-cards { grid-template-columns: 1fr; }
    .bk-times { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); }
    .bk-time { height: 44px; }
    .bk-day { font-size: 14px; }
    .bk-btn, .bk-submit { width: 100%; }
    .bk-cal-add-btns .bk-btn { flex: 1 1 100%; }
    .bk-h { font-size: 20px; }
}
@media (min-width: 641px) and (max-width: 860px) {
    .bk-cards { grid-template-columns: 1fr 1fr; }
}