/* Water Intake Calculator — bkbg-wic-* */
.bkbg-wic-app {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.bkbg-wic-app *, .bkbg-wic-app *::before, .bkbg-wic-app *::after { box-sizing: border-box; }

.bkbg-wic-wrap {
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.09);
}
.bkbg-wic-header { margin-bottom: 22px; }
.bkbg-wic-title {
    margin: 0 0 6px;
    font-family: var(--bkwic-tt-ff, inherit);
    font-size: var(--bkwic-tt-fsd, 28px);
    line-height: var(--bkwic-tt-lhd, 1.2);
    letter-spacing: var(--bkwic-tt-lsd, normal);
    word-spacing: var(--bkwic-tt-wsd, normal);
    font-weight: var(--bkwic-tt-fw, 700);
    font-style: var(--bkwic-tt-fst, normal);
    text-decoration: var(--bkwic-tt-td, none);
    text-transform: var(--bkwic-tt-tt, none);
}
.bkbg-wic-subtitle {
    margin: 0;
    opacity: .7;
    font-family: var(--bkwic-st-ff, inherit);
    font-size: var(--bkwic-st-fsd, 15px);
    line-height: var(--bkwic-st-lhd, normal);
    letter-spacing: var(--bkwic-st-lsd, normal);
    word-spacing: var(--bkwic-st-wsd, normal);
    font-weight: var(--bkwic-st-fw, normal);
    font-style: var(--bkwic-st-fst, normal);
    text-decoration: var(--bkwic-st-td, none);
    text-transform: var(--bkwic-st-tt, none);
}

.bkbg-wic-field { margin-bottom: 14px; }
.bkbg-wic-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}
.bkbg-wic-unit-toggle { display: flex; gap: 4px; }
.bkbg-wic-unit-btn {
    padding: 3px 10px;
    border-radius: 6px;
    border: none;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background .15s, color .15s;
}
.bkbg-wic-input, .bkbg-wic-select {
    width: 100%;
    padding: 11px 14px;
    font-size: 15px;
    font-family: inherit;
    border-radius: 8px;
    border: 1.5px solid #e5e7eb;
    outline: none;
    background: #fff;
    transition: border-color .15s;
    -webkit-appearance: none;
    appearance: none;
}
.bkbg-wic-input:focus, .bkbg-wic-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.bkbg-wic-select { cursor: pointer; }

.bkbg-wic-result {
    background: #3b82f6;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    margin-bottom: 16px;
}
.bkbg-wic-result-label  { font-size: 13px; font-weight: 600; opacity: .8; margin-bottom: 4px; }
.bkbg-wic-result-main   { font-size: 56px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.bkbg-wic-result-sub    { font-size: 16px; opacity: .85; }

.bkbg-wic-glasses {
    background: #eff6ff;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 16px;
    text-align: center;
    animation: bkbg-wic-fadein .3s ease;
}
.bkbg-wic-glasses-label { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.bkbg-wic-glasses-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
}
.bkbg-wic-glass-icon { font-size: 22px; line-height: 1; }
.bkbg-wic-glass-more { font-size: 13px; align-self: center; }

.bkbg-wic-tips {
    background: #f0fdf4;
    border: 1.5px solid #bbf7d0;
    border-radius: 8px;
    padding: 16px 20px;
}
.bkbg-wic-tips-heading { font-weight: 700; font-size: 13px; margin-bottom: 10px; }
.bkbg-wic-tips-list {
    margin: 0;
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.bkbg-wic-tips-list li { font-size: 13px; line-height: 1.5; }

@keyframes bkbg-wic-fadein {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 480px) {
    .bkbg-wic-wrap { padding: 24px 16px; }
    .bkbg-wic-result-main { font-size: 42px; }
}

/* ── Responsive typography ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .bkbg-wic-title {
        font-size: var(--bkwic-tt-fst1, var(--bkwic-tt-fsd, 28px));
        line-height: var(--bkwic-tt-lht, var(--bkwic-tt-lhd, 1.2));
        letter-spacing: var(--bkwic-tt-lst, var(--bkwic-tt-lsd, normal));
        word-spacing: var(--bkwic-tt-wst, var(--bkwic-tt-wsd, normal));
    }
    .bkbg-wic-subtitle {
        font-size: var(--bkwic-st-fst1, var(--bkwic-st-fsd, 15px));
        line-height: var(--bkwic-st-lht, var(--bkwic-st-lhd, normal));
        letter-spacing: var(--bkwic-st-lst, var(--bkwic-st-lsd, normal));
        word-spacing: var(--bkwic-st-wst, var(--bkwic-st-wsd, normal));
    }
}
@media (max-width: 767px) {
    .bkbg-wic-title {
        font-size: var(--bkwic-tt-fsm, var(--bkwic-tt-fst1, var(--bkwic-tt-fsd, 28px)));
        line-height: var(--bkwic-tt-lhm, var(--bkwic-tt-lht, var(--bkwic-tt-lhd, 1.2)));
        letter-spacing: var(--bkwic-tt-lsm, var(--bkwic-tt-lst, var(--bkwic-tt-lsd, normal)));
        word-spacing: var(--bkwic-tt-wsm, var(--bkwic-tt-wst, var(--bkwic-tt-wsd, normal)));
    }
    .bkbg-wic-subtitle {
        font-size: var(--bkwic-st-fsm, var(--bkwic-st-fst1, var(--bkwic-st-fsd, 15px)));
        line-height: var(--bkwic-st-lhm, var(--bkwic-st-lht, var(--bkwic-st-lhd, normal)));
        letter-spacing: var(--bkwic-st-lsm, var(--bkwic-st-lst, var(--bkwic-st-lsd, normal)));
        word-spacing: var(--bkwic-st-wsm, var(--bkwic-st-wst, var(--bkwic-st-wsd, normal)));
    }
}