/* =============================== KITCHEN CALCULATORS ============================== */

:root {
    --calc-ink: #111827;
    --calc-muted: #6b7280;
    --calc-line: #e5e7eb;
    --calc-surface: #f9fafb;
    --calc-radius: 14px;
}

/* Breadcrumb */
.calc-breadcrumb {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 1rem 0;
}
.calc-breadcrumb .breadcrumb-item a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.calc-breadcrumb .breadcrumb-item a:hover { color: #fff; }
.calc-breadcrumb .breadcrumb-item.active { color: rgba(255, 255, 255, .65); }
.calc-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: rgba(255, 255, 255, .4); }

/* Sticky sub-nav across the five calculators */
.calc-nav { background: #fff; border-bottom: 1px solid var(--calc-line); }
.calc-nav .calc-nav-scroll {
    display: flex; flex-wrap: nowrap; overflow-x: auto; gap: .5rem;
    padding: .65rem 0; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.calc-nav .calc-nav-scroll::-webkit-scrollbar { display: none; }
.calc-nav a {
    flex-shrink: 0; white-space: nowrap; border-radius: 999px;
    font-size: .78rem; font-weight: 700; padding: .35rem .9rem;
    border: 1px solid var(--calc-line); color: #4b5563; text-decoration: none;
    transition: all .15s;
}
.calc-nav a:hover { border-color: var(--page-colour, #059669); color: var(--page-colour, #059669); text-decoration: none; }
.calc-nav a.active { background: var(--page-colour, #059669); border-color: var(--page-colour, #059669); color: #fff; }

/* Hero */
.calc-hero { padding: 2.25rem 0 1.5rem; background: var(--calc-surface); border-bottom: 1px solid var(--calc-line); }
.calc-hero h1 { font-size: 1.9rem; font-weight: 800; color: var(--calc-ink); margin-bottom: .4rem; }
.calc-hero .lead { font-size: 1rem; color: var(--calc-muted); margin-bottom: 0; }
.calc-hero-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex;
    align-items: center; justify-content: center; font-size: 1.6rem;
    color: #fff; background: var(--page-colour, #059669); margin-bottom: .9rem;
}

/* The widget itself */
.calc-panel {
    background: #fff; border: 1px solid var(--calc-line);
    border-radius: var(--calc-radius); padding: 1.4rem;
}
.calc-panel + .calc-panel { margin-top: 1.25rem; }
.calc-panel h2, .calc-panel h3 { font-size: 1.05rem; font-weight: 800; color: var(--calc-ink); }

.calc-label { font-size: .78rem; font-weight: 700; color: #374151; text-transform: uppercase; letter-spacing: .3px; margin-bottom: .3rem; }
.calc-panel .form-control, .calc-panel .custom-select { border-radius: 9px; border-color: #d1d5db; }
.calc-panel .form-control:focus { border-color: var(--page-colour, #059669); box-shadow: 0 0 0 .15rem rgba(5, 150, 105, .12); }

/* Results */
.calc-result {
    background: var(--calc-surface); border: 1px solid var(--calc-line);
    border-radius: var(--calc-radius); padding: 1.25rem;
}
.calc-result-big { font-size: 2rem; font-weight: 800; color: var(--page-colour, #059669); line-height: 1.1; }
.calc-result-unit { font-size: .95rem; font-weight: 600; color: var(--calc-muted); }
.calc-note { font-size: .78rem; color: var(--calc-muted); }
.calc-assumption {
    font-size: .75rem; color: var(--calc-muted); background: #fff;
    border-left: 3px solid var(--page-colour, #059669);
    padding: .5rem .75rem; border-radius: 0 8px 8px 0; margin-top: .75rem;
}

/* Row-based inputs (ingredients, formula lines) */
.calc-row { display: grid; gap: .5rem; align-items: start; margin-bottom: .5rem; }
.calc-row .calc-row-remove {
    border: none; background: transparent; color: #9ca3af; font-size: 1.1rem;
    line-height: 1; padding: .45rem .3rem; cursor: pointer;
}
.calc-row .calc-row-remove:hover { color: #dc2626; }

/* Results table */
.calc-table { width: 100%; font-size: .88rem; }
.calc-table th {
    font-size: .72rem; text-transform: uppercase; letter-spacing: .3px;
    color: var(--calc-muted); font-weight: 700; border-bottom: 2px solid var(--calc-line);
    padding: .4rem .5rem;
}
.calc-table td { padding: .45rem .5rem; border-bottom: 1px solid #f3f4f6; }
.calc-table tfoot td { font-weight: 800; color: var(--calc-ink); border-top: 2px solid var(--calc-line); border-bottom: none; }
.calc-table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Warnings for rows we could not resolve */
.calc-flag {
    background: #fffbeb; border: 1px solid #fde68a; color: #92400e;
    border-radius: 9px; padding: .6rem .8rem; font-size: .82rem; margin-top: .75rem;
}
.calc-flag strong { color: #78350f; }

/* Macro split bar */
.calc-split { display: flex; height: 10px; border-radius: 999px; overflow: hidden; background: var(--calc-line); }
.calc-split span { display: block; height: 100%; }
.calc-split-p { background: #2563eb; }
.calc-split-c { background: #f59e0b; }
.calc-split-f { background: #dc2626; }

/* Tabs within a calculator */
.calc-tabs { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1rem; }
.calc-tab {
    border: 1px solid var(--calc-line); background: #fff; color: #4b5563;
    border-radius: 999px; padding: .35rem .9rem; font-size: .8rem; font-weight: 700; cursor: pointer;
}
.calc-tab.active { background: var(--page-colour, #059669); border-color: var(--page-colour, #059669); color: #fff; }
.calc-tab-panel { display: none; }
.calc-tab-panel.active { display: block; }

/* Hub cards */
.calc-hub-card {
    display: block; height: 100%; background: #fff; border: 1px solid var(--calc-line);
    border-radius: var(--calc-radius); padding: 1.4rem; text-decoration: none;
    transition: transform .2s, box-shadow .2s, border-color .2s;
}
.calc-hub-card:hover {
    transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0, 0, 0, .08);
    text-decoration: none; border-color: var(--card-colour);
}
.calc-hub-icon {
    width: 46px; height: 46px; border-radius: 12px; display: flex;
    align-items: center; justify-content: center; font-size: 1.4rem;
    color: #fff; background: var(--card-colour); margin-bottom: .85rem;
}
.calc-hub-card h3 { font-size: 1rem; font-weight: 800; color: var(--calc-ink); margin-bottom: .3rem; }
.calc-hub-card p { font-size: .84rem; color: var(--calc-muted); margin-bottom: 0; }

/* Explanatory copy below the widget — server-rendered so it is indexable */
.calc-copy { font-size: .92rem; color: #374151; line-height: 1.65; }
.calc-copy h2 { font-size: 1.15rem; font-weight: 800; color: var(--calc-ink); margin-top: 1.75rem; margin-bottom: .6rem; }
.calc-copy h3 { font-size: 1rem; font-weight: 700; color: var(--calc-ink); margin-top: 1.25rem; margin-bottom: .4rem; }
.calc-copy table { width: 100%; font-size: .86rem; margin: .75rem 0; }
.calc-copy table th, .calc-copy table td { padding: .4rem .6rem; border-bottom: 1px solid var(--calc-line); }
.calc-copy table th { font-weight: 700; text-align: left; background: var(--calc-surface); }
.calc-copy code {
    background: var(--calc-surface); border: 1px solid var(--calc-line);
    border-radius: 5px; padding: .1rem .35rem; font-size: .85em; color: #b91c1c;
}

/* Typeahead */
.calc-typeahead { position: relative; }
.calc-suggestions {
    position: absolute; z-index: 30; top: 100%; left: 0; right: 0;
    background: #fff; border: 1px solid var(--calc-line); border-radius: 0 0 9px 9px;
    max-height: 220px; overflow-y: auto; box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
}
.calc-suggestions button {
    display: block; width: 100%; text-align: left; border: none; background: none;
    padding: .45rem .7rem; font-size: .85rem; color: #374151; cursor: pointer;
}
.calc-suggestions button:hover, .calc-suggestions button.highlight { background: var(--calc-surface); }
.calc-suggestions small { color: var(--calc-muted); }

@media (max-width: 575.98px) {
    .calc-hero h1 { font-size: 1.45rem; }
    .calc-panel { padding: 1rem; }
    .calc-result-big { font-size: 1.6rem; }
}