/* === NVZ CALCULATOR === */

.nvz-hero {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-xl);
    background: var(--color-bg);
}

.nvz-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-primary-800);
    margin-bottom: var(--space-sm);
}

.nvz-hero p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 720px;
}

.nvz-back {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--color-primary-500);
    text-decoration: none;
    margin-bottom: var(--space-md);
    font-weight: 500;
}
.nvz-back:hover { color: var(--color-primary-600); }

/* Section cards */
.nvz-location, .nvz-form, .nvz-results, .nvz-closed, .nvz-disclaimer {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.nvz-form h2, .nvz-location h2, .nvz-results h2 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-primary-800);
    margin-bottom: var(--space-sm);
}

.nvz-form h2:not(:first-of-type) { margin-top: var(--space-xl); }

.nvz-step-hint {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

/* Location */
.nvz-location-inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.nvz-input-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.nvz-input-row {
    display: flex;
    gap: var(--space-sm);
}

.nvz-input-row input {
    flex: 1;
    min-width: 0;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
}

.nvz-input-divider {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    padding-bottom: 12px;
}

.nvz-map-toggle { margin-bottom: var(--space-md); }

.nvz-map-container {
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

#nvzMap { width: 100%; height: 320px; }

.nvz-map-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 8px;
}

.nvz-status { font-size: 0.95rem; padding: 8px 0; }
.nvz-status.loading { color: var(--color-text-secondary); }
.nvz-status.success { color: var(--color-primary-600); }
.nvz-status.error   { color: #b91c1c; }

/* NVZ verdict banner */
.nvz-verdict {
    margin-top: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-border);
}

.nvz-verdict-in    { background: #fef3c7; border-left-color: #d97706; }
.nvz-verdict-out   { background: #ecfdf5; border-left-color: #16a34a; }
.nvz-verdict-error { background: #fef2f2; border-left-color: #b91c1c; }

.nvz-verdict-headline {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}
.nvz-verdict-detail {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}
.nvz-verdict-link { margin-top: 8px; font-size: 0.9rem; }
.nvz-verdict-link a { color: var(--color-primary-600); text-decoration: underline; }

/* Livestock groups (details/summary) */
.nvz-group {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    background: var(--color-bg);
}

.nvz-group summary {
    padding: 12px 16px;
    font-weight: 600;
    color: var(--color-primary-800);
    cursor: pointer;
    font-size: 1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nvz-group summary::-webkit-details-marker { display: none; }

.nvz-group summary::before {
    content: '▸';
    font-size: 0.9rem;
    margin-right: 8px;
    transition: transform 120ms;
    color: var(--color-text-muted);
}

.nvz-group[open] summary::before { transform: rotate(90deg); }

.nvz-group-subtotal {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.nvz-group-note {
    padding: 0 16px 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.nvz-rows {
    padding: 8px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nvz-row {
    display: grid;
    grid-template-columns: 1fr 140px 80px 110px;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}

.nvz-row-label { font-size: 0.9rem; color: var(--color-text); }
.nvz-row-coef {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: right;
}

.nvz-row input[type="number"] {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    text-align: right;
}

.nvz-row-subtotal {
    text-align: right;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}
.nvz-row-subtotal.nvz-subtotal-active { color: var(--color-primary-700); }

/* Area + derogation */
.nvz-area {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-md);
    align-items: center;
    margin-bottom: var(--space-md);
}

.nvz-area input[type="number"] {
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
}

.nvz-unit-toggle {
    display: flex;
    gap: var(--space-md);
    font-size: 0.95rem;
}
.nvz-unit-toggle label {
    display: flex;
    gap: 6px;
    align-items: center;
    cursor: pointer;
}

.nvz-derogation {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    cursor: pointer;
}

.nvz-derogation input[type="checkbox"] { margin-top: 3px; }

.nvz-actions { display: flex; gap: var(--space-md); }

/* Results */
.nvz-loading-verdict {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    border-left: 4px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.nvz-loading-neutral { background: var(--color-bg); }
.nvz-loading-ok      { background: #ecfdf5; border-left-color: #16a34a; color: var(--color-text); }
.nvz-loading-warn    { background: #fef3c7; border-left-color: #d97706; color: var(--color-text); }
.nvz-loading-over    { background: #fef2f2; border-left-color: #b91c1c; color: var(--color-text); }

.nvz-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.nvz-stat {
    background: var(--color-bg);
    border-left: 4px solid var(--color-primary-500);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
}

.nvz-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.nvz-stat-value {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--color-primary-800);
    font-weight: 600;
}

/* Closed spreading + disclaimer */
.nvz-closed h3, .nvz-disclaimer h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-primary-800);
    margin-bottom: var(--space-md);
}

.nvz-closed ul {
    margin: 0 0 var(--space-sm) 20px;
    padding: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.7;
}

.nvz-closed .nvz-note, .nvz-disclaimer p + p { margin-top: var(--space-sm); }

.nvz-closed .nvz-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.nvz-disclaimer {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.nvz-disclaimer a {
    color: var(--color-primary-600);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 720px) {
    .nvz-location-inputs { grid-template-columns: 1fr; }
    .nvz-input-divider { padding: var(--space-sm) 0; text-align: center; }
    .nvz-row { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto auto; gap: 6px; }
    .nvz-row-label { grid-column: 1 / 3; }
    .nvz-row-coef { grid-column: 1; grid-row: 2; text-align: left; }
    .nvz-row input[type="number"] { grid-column: 2; grid-row: 2; }
    .nvz-row-subtotal { grid-column: 1 / 3; grid-row: 3; text-align: right; padding-top: 4px; border-top: 1px dashed var(--color-border); }
    .nvz-area { grid-template-columns: 1fr; }
    .nvz-stats-grid { grid-template-columns: 1fr; }
}