:root {
    --npk-bg: #f4fbf6;
    --npk-card: #fff;
    --npk-accent: #2e7d32;
    --npk-accent-strong: #216b31;
    --npk-muted: #667085;
    --npk-text: #0f1720;
    --npk-border: #dfeadf;
    --npk-danger: #b42318;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 24px;
    background: var(--npk-bg);
    color: var(--npk-text);
    font-family: Inter, system-ui, "Segoe UI", Arial, sans-serif;
}

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0;
}

h1,
h2,
h3 {
    color: var(--npk-text);
}

h3 {
    color: var(--npk-accent-strong);
}

.card,
.balance-section,
.recommendation-section {
    margin-bottom: 18px;
    padding: 22px;
    border: 1px solid var(--npk-border);
    border-radius: 10px;
    background: var(--npk-card);
    box-shadow: 0 6px 18px rgba(34, 60, 80, 0.05);
}

.card h2,
.balance-section h2,
.recommendation-section h2 {
    margin: 0 0 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--npk-border);
    color: var(--npk-text);
    font-size: 20px;
}

.form-group label,
.section-title,
.category-title {
    color: var(--npk-text);
}

.form-group select,
.form-group input[type="number"],
.form-group input[type="text"],
select,
input[type="number"],
input[type="text"] {
    border-color: var(--npk-border);
    border-radius: 8px;
    background: #fff;
}

.form-group select:focus,
.form-group input:focus,
select:focus,
input:focus {
    border-color: var(--npk-accent);
    outline: 2px solid rgba(46, 125, 50, 0.14);
    box-shadow: none;
}

.form-group .hint,
.hint,
.description,
.category-description {
    color: var(--npk-muted);
}

.auto-info,
.info-box {
    border: 1px solid #c9e3d2;
    border-left: 4px solid var(--npk-accent);
    border-radius: 8px;
    background: #eef7f1;
    color: var(--npk-accent-strong);
}

.card-auto {
    border-color: #c9e3d2;
    border-left: 4px solid var(--npk-accent);
    background: #eef7f1;
}

.card-auto h3[style] {
    color: var(--npk-accent-strong) !important;
}

.auto-row {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto;
    gap: 16px;
}

.auto-row .label {
    min-width: 0;
    overflow-wrap: anywhere;
    line-height: 1.45;
}

.auto-row .values {
    display: grid;
    grid-template-columns: repeat(3, minmax(80px, 1fr));
    gap: 10px;
}

.auto-row .val {
    min-width: 0;
    color: var(--npk-accent-strong);
    white-space: nowrap;
}

button,
input[type="submit"],
.btn {
    border: 0;
    border-radius: 8px;
    background: var(--npk-accent);
    color: #fff;
    font-family: inherit;
    font-weight: 650;
    text-decoration: none;
}

button:hover,
input[type="submit"]:hover,
.btn:hover,
.btn-next:hover {
    background: var(--npk-accent-strong);
}

.btn-next {
    background: var(--npk-accent);
}

.btn-prev,
.btn-secondary {
    border: 1px solid var(--npk-border);
    background: #fff;
    color: var(--npk-accent-strong);
}

.btn-prev:hover,
.btn-secondary:hover {
    background: #edf7ef;
    color: var(--npk-accent-strong);
}

.step-indicator {
    margin: 18px 0 24px;
}

.step-dot {
    background: #e4ece6;
    color: var(--npk-muted);
}

.step-dot.active,
.step-dot.done {
    background: var(--npk-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.24);
}

.step-label {
    color: var(--npk-muted);
}

.step-label.active {
    color: var(--npk-accent-strong);
}

.step-line {
    background: #d9e5dc;
}

.step-line.done {
    background: var(--npk-accent);
}

.tab-btn.active {
    border-color: var(--npk-accent);
    background: var(--npk-accent);
    color: #fff;
}

.item-row:hover,
.output-row:hover,
.calculations-table tr:hover td {
    background: #edf7ef;
}

.category,
.item-row,
.input-row,
.output-row,
.result-card,
.balance-card {
    border-color: var(--npk-border);
    border-radius: 9px;
}

.category-header,
.section-header {
    background: #f6fbf7;
}

.total-row,
.summary-row,
.grand-total {
    color: var(--npk-accent-strong);
}

.result-value,
.balance-value,
.positive {
    color: var(--npk-accent-strong);
}

.summary-card .big-val[style] {
    color: var(--npk-accent-strong) !important;
}

.calculations-table th {
    background: var(--npk-accent);
}

.interp-card.deficit,
.overall-card.deficit {
    border-color: #d49b12;
    background: #fff8df;
}

.val-deficit {
    color: #9a6700;
}

.negative,
.warning {
    color: var(--npk-danger);
}

/* Wyszukiwalne selektory i dodawane pozycje (wspólne dla wejść i wyjść). */
.catalog-picker {
    position: relative;
    margin-top: 14px;
}

.picker-label {
    display: block;
    margin-bottom: 7px;
    color: var(--npk-text);
    font-size: 13px;
    font-weight: 650;
}

.picker-add-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: end;
}

.picker-combobox {
    position: relative;
}

.picker-combobox input[type="text"] {
    width: 100%;
    min-height: 44px;
    padding: 10px 44px 10px 12px;
    font-size: 14px;
}

.picker-toggle {
    position: absolute;
    top: 1px;
    right: 1px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--npk-muted);
    font-size: 20px;
}

.picker-toggle:hover {
    background: #edf7ef;
    color: var(--npk-accent-strong);
}

.picker-options {
    display: none;
    position: absolute;
    z-index: 30;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--npk-border);
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 14px 32px rgba(15, 23, 32, 0.15);
}

.catalog-picker.open .picker-options {
    display: block;
}

.picker-options button {
    display: flex;
    width: 100%;
    padding: 9px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid #edf1ed;
    background: #fff;
    color: var(--npk-text);
    text-align: left;
    cursor: pointer;
}

.picker-options button:hover,
.picker-options button.active,
.picker-options button[aria-selected="true"] {
    background: #edf7ef;
    color: var(--npk-accent-strong);
}

.picker-options small,
.selected-item-description small,
.selected-byproduct > small {
    display: block;
    color: var(--npk-muted);
    font-size: 11px;
    font-weight: 400;
}

.picker-no-options,
.picker-error,
.picker-empty {
    margin: 10px 0 0;
    color: var(--npk-muted);
    font-size: 13px;
}

.picker-limit-info {
    position: sticky;
    bottom: 0;
    margin: 0;
    padding: 10px 12px;
    border-top: 1px solid var(--npk-border);
    background: #f6fbf7;
    color: var(--npk-muted);
    font-size: 12px;
    line-height: 1.4;
}

.picker-error {
    color: var(--npk-danger);
}

.picker-add-button {
    min-height: 44px;
    padding: 10px 18px;
    white-space: nowrap;
}

.custom-mineral-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

.custom-mineral-toggle-button,
.custom-mineral-cancel {
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid var(--npk-border);
    background: #fff;
    color: var(--npk-accent-strong);
}

.custom-mineral-toggle-button:hover,
.custom-mineral-cancel:hover {
    border-color: #a9ceb3;
    background: #edf7ef;
    color: var(--npk-accent-strong);
}

.custom-mineral-panel {
    display: grid;
    gap: 14px;
    margin-top: 12px;
    padding: 16px;
    border: 1px solid #c9e3d2;
    border-radius: 9px;
    background: #f6fbf7;
}

.custom-mineral-panel[hidden] {
    display: none;
}

.custom-mineral-heading {
    display: grid;
    gap: 4px;
}

.custom-mineral-heading strong {
    color: var(--npk-accent-strong);
    font-size: 14px;
}

.custom-mineral-heading span,
.custom-mineral-format-note {
    color: var(--npk-muted);
    font-size: 12px;
}

.custom-mineral-name-field,
.custom-mineral-fields label {
    display: grid;
    gap: 6px;
    color: var(--npk-text);
    font-size: 12px;
    font-weight: 650;
}

.custom-mineral-name-field input,
.custom-mineral-fields input {
    width: 100%;
    min-height: 40px;
    padding: 8px 10px;
}

.custom-mineral-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.custom-format-control {
    display: grid;
    gap: 7px;
}

.custom-format-title {
    color: var(--npk-text);
    font-size: 12px;
    font-weight: 650;
}

.custom-format-switch-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.custom-format-option {
    color: var(--npk-muted);
    font-size: 12px;
    font-weight: 600;
    transition: color 0.15s;
}

.custom-format-option.active {
    color: var(--npk-accent-strong);
}

.slide-switch {
    position: relative;
    display: inline-flex;
    flex: 0 0 auto;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.slide-switch input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.slide-switch-track {
    width: 100%;
    border-radius: 999px;
    background: #aebbb2;
    transition: background 0.2s;
}

.slide-switch-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(15, 23, 32, 0.24);
    transition: transform 0.2s;
}

.slide-switch input:checked + .slide-switch-track {
    background: var(--npk-accent);
}

.slide-switch input:checked + .slide-switch-track::after {
    transform: translateX(22px);
}

.slide-switch input:focus-visible + .slide-switch-track {
    outline: 3px solid rgba(46, 125, 50, 0.2);
    outline-offset: 2px;
}

.custom-mineral-format-note {
    margin: -4px 0 0;
}

.custom-mineral-panel-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.custom-mineral-item {
    border-color: #b9d9c1;
    background: #f5fbf6;
}

.custom-feed-item {
    border-color: #c8d7b9;
    background: #f8fbf4;
}

.line-items {
    display: grid;
    gap: 9px;
    margin-top: 14px;
}

.selected-item {
    position: relative;
    border: 1px solid var(--npk-border);
    border-radius: 9px;
    background: #fbfdfb;
}

.quantity-item,
.output-item-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 12px;
    align-items: center;
    padding: 11px 12px;
}

.selected-item-description strong {
    display: block;
    margin-bottom: 3px;
    font-size: 13px;
}

.inline-quantity {
    display: grid;
    grid-template-columns: auto 90px auto;
    gap: 6px;
    align-items: center;
    color: var(--npk-muted);
    font-size: 12px;
}

.inline-quantity input,
.legume-fields input,
.byproduct-controls input,
.byproduct-controls select {
    min-height: 36px;
    padding: 6px 8px;
}

.remove-item {
    padding: 7px 10px;
    border: 1px solid #f1c7c3;
    background: #fff;
    color: var(--npk-danger);
    font-size: 12px;
}

.remove-item:hover {
    border-color: var(--npk-danger);
    background: #fff1f0;
    color: var(--npk-danger);
}

.legume-item {
    display: grid;
    grid-template-columns: minmax(180px, 1.2fr) minmax(0, 2fr) auto;
    gap: 14px;
    align-items: end;
    padding: 12px;
}

.legume-fields {
    display: grid;
    grid-template-columns: repeat(4, minmax(92px, 1fr));
    gap: 8px;
}

.legume-fields label,
.byproduct-controls label {
    display: grid;
    gap: 4px;
    color: var(--npk-muted);
    font-size: 11px;
}

.selected-byproduct {
    display: grid;
    gap: 5px;
    padding: 10px 12px 12px;
    border-top: 1px dashed #b8d9c1;
    background: #f0f8f2;
}

.selected-byproduct > strong {
    color: var(--npk-accent-strong);
    font-size: 12px;
}

.byproduct-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 5px;
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
}

@media (max-width: 800px) {
    body {
        padding: 12px;
    }

    .card,
    .balance-section,
    .recommendation-section {
        padding: 16px;
    }

    .step-indicator {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .step {
        flex: 0 0 auto;
    }

    .auto-row {
        grid-template-columns: 1fr;
        gap: 10px;
        align-items: stretch;
        padding: 14px 0;
    }

    .auto-row .values {
        width: 100%;
        gap: 8px;
    }

    .auto-row .val {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 42px;
        padding: 7px 6px;
        line-height: 1.25;
    }

    .picker-add-row,
    .quantity-item,
    .output-item-main,
    .legume-item {
        grid-template-columns: 1fr;
    }

    .custom-mineral-fields {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .picker-add-button {
        width: 100%;
    }

    .inline-quantity {
        grid-template-columns: auto minmax(90px, 1fr) auto;
    }

    .legume-fields,
    .byproduct-controls {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .remove-item {
        justify-self: start;
    }

    .form-group select,
    .form-group input[type="number"],
    .form-group input[type="text"],
    .picker-combobox input[type="text"],
    .inline-quantity input,
    .legume-fields input,
    .byproduct-controls input,
    .byproduct-controls select {
        min-height: 46px;
        font-size: 16px;
    }

    .form-navigation .btn,
    .form-navigation button {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 46px;
        margin: 0;
        text-align: center;
    }
}

@media (max-width: 520px) {
    body {
        padding: 8px;
    }

    .card,
    .balance-section,
    .recommendation-section {
        padding: 14px 12px;
    }

    .card h2,
    .card h3,
    .section-title {
        overflow-wrap: anywhere;
        line-height: 1.35;
    }

    .auto-row .values {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .auto-row .val {
        white-space: normal;
    }

    .legume-fields,
    .byproduct-controls {
        grid-template-columns: 1fr;
    }

    .custom-mineral-fields {
        grid-template-columns: 1fr;
    }

    .custom-format-switch-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .custom-mineral-panel-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .form-navigation {
        align-items: stretch;
        flex-direction: column-reverse;
    }

    .form-navigation .btn,
    .form-navigation button {
        width: 100%;
    }
}