:root {
    --wh-purple: #7b4f9d;
    --wh-purple-dark: #633d80;
    --wh-lilac: #f3eef7;
    --wh-lilac-soft: #faf7fb;
    --wh-text: #2f2733;
    --wh-muted: #766b7c;
    --wh-border: #e2d8e8;
    --wh-bg: #fbf9fc;
    --wh-warning: #fff7e5;
    --wh-warning-border: #ead49b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Lato", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--wh-text);
    background: transparent;
    font-size: 15px;
}

/* Embed-vriendelijk: geen losse webshop-header in de calculator zelf. */
.wh-header { display: none; }
.wh-container {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: 8px;
}

.hero {
    text-align: left;
    margin: 0 0 8px;
    padding: 0 2px;
}
.hero h1 {
    margin: 0 0 2px;
    font-size: clamp(1.25rem, 2.2vw, 1.65rem);
    line-height: 1.15;
}
.hero p {
    margin: 0;
    color: var(--wh-muted);
    font-size: .95rem;
}

.calculator-form { margin: 0; }
.step-card, .result-card, .disclaimer-card {
    position: relative;
    background: white;
    border: 1px solid var(--wh-border);
    border-radius: 14px;
    padding: 14px;
    margin: 10px 0;
    box-shadow: 0 3px 10px rgba(62, 40, 75, .04);
}
.step-card h2, .result-card h2 {
    margin: 0 0 10px 28px;
    font-size: 1.08rem;
    line-height: 1.2;
}
.step-number {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--wh-purple);
    color: white;
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: .8rem;
    font-weight: 800;
}

.explain-box, .disclaimer-card details {
    border: 1px solid var(--wh-border);
    border-radius: 10px;
    background: var(--wh-lilac-soft);
    padding: 8px 10px;
    margin: 0 0 10px;
    text-align: left;
}
.explain-box summary, .disclaimer-card summary {
    color: var(--wh-purple);
    cursor: pointer;
    font-weight: 800;
    font-size: .92rem;
}
.explain-box p, .disclaimer-card p {
    color: var(--wh-muted);
    margin: 7px 0 0;
    line-height: 1.4;
    font-size: .92rem;
}
.inline-info { margin-top: 10px; }

.tile-grid, .yarn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
    gap: 8px;
}
.choice-tile, .yarn-card {
    position: relative;
    border: 1px solid var(--wh-border);
    border-radius: 12px;
    padding: 9px 8px;
    text-align: center;
    cursor: pointer;
    transition: .15s ease;
    background: #fff;
    min-height: 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-weight: 650;
}
.choice-tile.small { min-height: 62px; }
.choice-tile input, .yarn-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.choice-tile:has(input:checked), .yarn-card:has(input:checked) {
    border-color: var(--wh-purple);
    background: var(--wh-lilac);
    box-shadow: 0 0 0 3px rgba(123, 79, 157, .08);
}
.tile-icon, .yarn-icon {
    font-size: 1.35rem;
    line-height: 1;
}
.yarn-card {
    align-items: flex-start;
    text-align: left;
    min-height: 110px;
}
.yarn-card small, .yarn-card span { color: var(--wh-muted); }

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 168px), 1fr));
    gap: 10px 10px;
    align-items: stretch;
}
.field-grid.compact { max-width: 320px; }
label {
    display: block;
    font-weight: 700;
    font-size: .9rem;
    line-height: 1.22;
}
.field-grid > label:not(.checkbox-line),
.mini-grid > label {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-width: 0;
    min-height: 68px;
}
input, select {
    width: 100%;
    margin-top: auto;
    border: 1px solid var(--wh-border);
    border-radius: 9px;
    padding: 7px 9px;
    font: inherit;
    background: white;
    min-height: 36px;
}
.hint {
    color: var(--wh-muted);
    margin: -4px 0 8px;
    font-size: .92rem;
}
.validation {
    color: #9f1d35;
    margin-bottom: 8px;
    font-size: .92rem;
}

.calculate-button {
    width: 100%;
    border: none;
    border-radius: 12px;
    background: var(--wh-purple);
    color: white;
    font-weight: 800;
    font-size: 1rem;
    padding: 12px 16px;
    cursor: pointer;
    margin-top: 4px;
}
.calculate-button:hover { background: var(--wh-purple-dark); }

.result-card {
    text-align: center;
    border-color: var(--wh-purple);
}
.result-summary-line {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .45rem;
    flex-wrap: wrap;
    margin: 2px 0 14px;
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: 800;
    line-height: 1.2;
}
.result-summary-line strong {
    color: var(--wh-purple);
    font-size: clamp(2.1rem, 5.5vw, 3rem);
    font-weight: 900;
    line-height: .9;
}
.result-symbol {
    color: var(--wh-purple);
    letter-spacing: 5px;
    font-size: 1rem;
}
.skeins {
    font-size: 3.1rem;
    font-weight: 900;
    color: var(--wh-purple);
    line-height: 1;
}
.skeins-label {
    font-size: 1.05rem;
    margin: 0 0 8px;
}
.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    gap: 8px;
    margin: 12px 0;
}
.result-grid div {
    background: var(--wh-lilac);
    border-radius: 10px;
    padding: 10px;
}
.result-grid strong {
    display: block;
    font-size: 1.15rem;
}
.result-grid span { color: var(--wh-muted); }
.result-explain {
    max-width: 760px;
    margin: 10px auto;
}
.notes {
    text-align: left;
    max-width: 760px;
    margin: 10px auto 0;
}
.notes p {
    background: #f7f2fa;
    padding: 8px 10px;
    border-radius: 9px;
    margin: 6px 0;
    font-size: .92rem;
}

.checkbox-line {
    display: flex;
    align-items: center;
    gap: .55rem;
    background: #faf7fb;
    border: 1px solid #eadff0;
    border-radius: 10px;
    padding: 8px 10px;
}
.checkbox-line input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin-top: 0;
}
.field-grid .wide { grid-column: 1 / -1; }
.gauge-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}
.gauge-grid > label:not(.checkbox-line) {
    min-height: 76px;
}
.pattern-main-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.colorwork-section.is-hidden { display: none; }
.colorwork-lines {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
    gap: 10px;
    margin-top: 10px;
}
.color-line-card {
    border: 1px solid var(--wh-border);
    border-radius: 12px;
    padding: 10px;
    background: #fff;
}
.color-line-card h3 {
    margin: 0 0 8px;
    color: var(--wh-purple);
    font-size: 1rem;
}
.color-line-card label {
    display: block;
    margin-bottom: 8px;
}
.color-line-card small {
    display: block;
    color: var(--wh-muted);
    margin-top: 5px;
    font-size: .82rem;
}
.color-line-card select { cursor: pointer; }

.mini-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    align-items: stretch;
}
.pattern-card .pattern-main-grid { margin-bottom: 10px; }
.pattern-lines { grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); }
.soft-warning {
    margin-top: 10px;
    background: var(--wh-warning);
    border: 1px solid var(--wh-warning-border);
    border-radius: 10px;
    padding: 8px 10px;
    color: #6f5413;
    font-size: .9rem;
}

.color-result {
    margin: 18px 0 12px;
}
.color-result-title {
    display: block;
    margin: 0 0 12px;
    padding: 9px 12px;
    border-radius: 10px;
    background: var(--wh-purple);
    color: #fff;
    font-size: 1rem;
    font-weight: 900;
    line-height: 1.2;
    text-align: left;
}
.color-result h3 {
    margin: 0 0 10px;
    font-size: 1.05rem;
}
.color-result h3.color-result-title {
    margin-bottom: 12px;
    font-size: 1rem;
}
.color-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    gap: 10px;
}
.color-result-card {
    background: white;
    border: 1px solid var(--wh-border);
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 3px 10px rgba(62, 40, 75, .04);
    text-align: left;
}
.color-result-card strong,
.color-result-card span,
.color-result-card small { display: block; }
.color-result-card small {
    color: var(--wh-muted);
    font-size: .85rem;
    line-height: 1.35;
}
.color-dot { font-size: 1.25rem; }
.color-skeins {
    margin: 6px 0;
    color: var(--wh-purple);
    font-weight: 900;
    font-size: 1.15rem;
}

.disclaimer-card {
    padding: 0;
    box-shadow: none;
    background: transparent;
    border: none;
    margin: 12px 0 0;
}
.disclaimer-card details {
    margin: 0;
    background: #fff;
}

@media (max-width: 900px) {
    .gauge-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .pattern-main-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .wh-container { padding: 6px; }
    .step-card, .result-card { padding: 12px; margin: 8px 0; }
    .step-card h2, .result-card h2 { font-size: 1rem; }
    .tile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .choice-tile { min-height: 58px; }
    .field-grid, .gauge-grid, .pattern-main-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .field-grid > label:not(.checkbox-line), .mini-grid > label { min-height: 64px; }
    .colorwork-lines, .pattern-lines { grid-template-columns: 1fr; }
    .skeins { font-size: 2.7rem; }
    .result-summary-line { gap: .35rem; margin-bottom: 12px; }
}

@media (max-width: 430px) {
    .field-grid, .gauge-grid, .pattern-main-grid, .mini-grid { grid-template-columns: 1fr; }
    .field-grid > label:not(.checkbox-line), .mini-grid > label { min-height: 0; }
}

/* Fotokaarten in plaats van symbolen.
   Vervang de bestanden in wwwroot/images/tiles door echte Wolhobby-foto's met dezelfde bestandsnamen. */
.choice-tile.photo-tile {
    padding: 6px;
    min-height: 0;
    justify-content: flex-start;
    gap: 6px;
    overflow: hidden;
}
.choice-tile.photo-tile.small {
    min-height: 0;
}
.tile-photo {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    background: var(--wh-lilac-soft);
    border: 1px solid rgba(226, 216, 232, .8);
}
.choice-tile.small .tile-photo {
    aspect-ratio: 16 / 9;
}
.tile-title {
    display: block;
    width: 100%;
    line-height: 1.2;
    font-size: .9rem;
}
.tile-icon, .yarn-icon { display: none; }
.choice-tile:has(input:checked) .tile-photo {
    border-color: var(--wh-purple);
}
.color-dot {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: var(--wh-purple);
    display: inline-block;
    margin-bottom: 6px;
}
@media (max-width: 640px) {
    .tile-photo { aspect-ratio: 5 / 3; }
    .choice-tile.small .tile-photo { aspect-ratio: 5 / 3; }
    .tile-title { font-size: .86rem; }
}

/* Heldere invoerkaders: patroondata apart van persoonlijke data. */
.input-panel {
    border: 1px solid var(--wh-border);
    border-radius: 12px;
    padding: 12px;
    background: #fff;
    box-shadow: inset 4px 0 0 rgba(123, 79, 157, .18);
}
.pattern-source-panel {
    background: linear-gradient(90deg, #fff 0%, #fff 72%, #fbf7fd 100%);
}
.user-data-panel {
    background: linear-gradient(90deg, #fff 0%, #fff 72%, #faf7fb 100%);
    box-shadow: inset 4px 0 0 rgba(123, 79, 157, .32);
}
.panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 4px;
}
.panel-kicker,
.line-kicker {
    display: inline-block;
    color: var(--wh-purple);
    text-transform: uppercase;
    letter-spacing: .04em;
    font-size: .72rem;
    font-weight: 900;
    margin-bottom: 2px;
}
.panel-header h3,
.subsection-heading h4,
.mini-panel h4,
.color-line-header h3 {
    margin: 0;
    line-height: 1.2;
    color: var(--wh-text);
}
.panel-header h3 { font-size: 1.02rem; }
.panel-description,
.subsection-heading p,
.mini-panel p {
    margin: 5px 0 10px;
    color: var(--wh-muted);
    line-height: 1.38;
    font-size: .9rem;
}
.compact-help {
    margin-bottom: 10px;
    background: #fbf9fc;
}
.framed-grid {
    border: 1px solid #eee6f3;
    border-radius: 10px;
    background: #fff;
    padding: 10px;
}
.subsection-heading {
    margin: 12px 0 8px;
    padding-top: 2px;
}
.subsection-heading h4,
.mini-panel h4 { font-size: .96rem; }
.split-input-panels {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 10px;
}
.mini-panel {
    border: 1px solid #eee6f3;
    border-radius: 10px;
    background: #fff;
    padding: 10px;
}
.preference-panel { margin-top: 10px; }
.preference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-col-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gauge-switch {
    margin: 8px 0 0;
    min-height: 0;
}
.color-line-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #fffdfd;
}
.color-line-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid #f0e7f4;
}
.color-line-header h3 {
    color: var(--wh-purple);
    font-size: 1.02rem;
}
.color-line-card .mini-panel {
    padding: 8px;
    background: #fff;
}
.color-line-card .mini-panel p {
    margin-bottom: 7px;
    font-size: .84rem;
}
.color-line-card label { margin-bottom: 0; }
.color-line-card .mini-grid { gap: 7px; }
.line-note {
    border-top: 1px solid #f0e7f4;
    padding-top: 6px;
}
.pattern-card .colorwork-lines {
    grid-template-columns: repeat(auto-fit, minmax(275px, 1fr));
}
.personal-card .input-panel {
    margin-top: 0;
}

@media (max-width: 900px) {
    .split-input-panels { grid-template-columns: 1fr; }
    .preference-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .input-panel { padding: 10px; }
    .framed-grid,
    .mini-panel { padding: 9px; }
    .pattern-card .colorwork-lines { grid-template-columns: 1fr; }
    .preference-grid,
    .two-col-grid { grid-template-columns: 1fr; }
    .panel-header h3 { font-size: .98rem; }
}

/* Stekenverhouding uit het patroon hoort bij de patroonbrondata. */
.pattern-gauge-source {
    margin-top: 10px;
}
.personal-gauge-panel {
    margin-top: 10px;
}
.muted-inline {
    color: var(--wh-muted);
    font-size: .9em;
}

/* Geen vooraf ingevulde rekenwaarden: placeholders tonen voorbeelden in grijs. */
input::placeholder {
    color: #a99ab2;
    opacity: 1;
}

.client-validation,
.server-validation.validation-summary-errors {
    border: 1px solid #e0a7b2;
    background: #fff5f7;
    color: #8a1830;
    border-radius: 12px;
    padding: 10px 12px;
    margin: 0 0 10px;
}
.client-validation p,
.client-validation ul,
.server-validation ul {
    margin: 5px 0 0;
}
.client-validation ul,
.server-validation ul {
    padding-left: 1.2rem;
}
.is-invalid {
    border-color: #b91c3a !important;
    box-shadow: 0 0 0 3px rgba(185, 28, 58, .08) !important;
}
.is-invalid-group {
    outline: 2px solid rgba(185, 28, 58, .35);
    outline-offset: 4px;
    border-radius: 12px;
}
.field-error {
    color: #9f1d35 !important;
    min-height: 1rem;
    margin-top: 3px !important;
    font-size: .78rem !important;
    line-height: 1.25 !important;
}
.is-required-now::after {
    content: attr(data-required-text);
    display: inline-block;
    color: #7b4f9d;
    font-size: .75rem;
    font-weight: 800;
    margin-top: 2px;
}
.conditional-fields.is-disabled {
    opacity: .48;
    background: #fafafa;
}
.conditional-fields.is-disabled input,
.conditional-fields.is-disabled select {
    cursor: not-allowed;
}
.validation-summary-valid { display: none; }

/* Stelselkeuze: duidelijk gescheiden metrisch versus US/UK. */
.unit-system-panel {
    border: 1px solid #eee6f3;
    border-radius: 12px;
    background: #fff;
    padding: 10px;
    margin: 0 0 10px;
}
.unit-system-heading {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
}
.unit-system-heading strong {
    font-size: .96rem;
}
.unit-system-heading span,
.unit-system-info p {
    color: var(--wh-muted);
    font-size: .88rem;
    line-height: 1.35;
    margin: 0;
}
.unit-system-toggle {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 8px;
}
.unit-system-toggle label {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--wh-border);
    border-radius: 10px;
    background: #fff;
    padding: 8px 10px;
    cursor: pointer;
    min-height: 58px;
}
.unit-system-toggle input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    flex: 0 0 auto;
}
.unit-system-toggle strong,
.unit-system-toggle small {
    display: block;
}
.unit-system-toggle small {
    color: var(--wh-muted);
    font-size: .78rem;
    line-height: 1.25;
    margin-top: 2px;
}
.unit-system-toggle label:has(input:checked) {
    border-color: var(--wh-purple);
    background: var(--wh-lilac);
    box-shadow: 0 0 0 3px rgba(123, 79, 157, .08);
}
.unit-system-info {
    border-top: 1px solid #f0e7f4;
    padding-top: 8px;
}
@media (max-width: 520px) {
    .unit-system-toggle { grid-template-columns: 1fr; }
}

/* Modelaanpassingen: alleen de keuzes die nog relevant zijn wanneer het patroon al garenhoeveelheid opgeeft. */
.adjustment-card .hint {
    margin-bottom: 8px;
}
.compact-adjustment-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}
.compact-adjustment-grid .choice-tile {
    min-height: 118px;
}
@media (min-width: 780px) {
    .compact-adjustment-grid {
        grid-template-columns: repeat(4, minmax(120px, 1fr));
    }
}

/* Per veld eenheid kiezen: geschikt voor gemengde metrische en US/UK-patronen. */
.unit-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(72px, .34fr);
    gap: 6px;
    align-items: end;
    margin-top: auto;
}
.unit-input-row input,
.unit-input-row select {
    margin-top: 0;
}
.three-col-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 760px) {
    .three-col-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 430px) {
    .three-col-grid { grid-template-columns: 1fr; }
    .unit-input-row { grid-template-columns: minmax(0, 1fr) minmax(70px, .35fr); }
}
.result-unit-note {
    margin: -4px 0 10px;
    color: var(--wh-muted);
    font-size: .88rem;
    text-align: left;
}