/* ================================
   ideas4print RFQ Form Skeleton
   Version intent:
   - Static page skeleton styling
   - No JavaScript dependency
   - No validation styling yet
   - No vendor modal yet
   ================================ */

.i4p-rfq-page,
.i4p-rfq-page * {
    box-sizing: border-box;
}

.i4p-rfq-page {
    --i4p-rfq-green: #16672f;
    --i4p-rfq-green-dark: #0b3d1e;
    --i4p-rfq-green-muted: #eaf4ec;
    --i4p-rfq-green-soft: #f4faf5;
    --i4p-rfq-text: #111827;
    --i4p-rfq-text-muted: #6b7280;
    --i4p-rfq-border: #d9e2dc;
    --i4p-rfq-bg: #f7f9f8;
    --i4p-rfq-white: #ffffff;
    --i4p-rfq-error: #b42318;
    --i4p-rfq-warning-bg: #fff7e6;
    --i4p-rfq-warning-border: #f0c36a;

    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 32px 20px 56px;
    color: var(--i4p-rfq-text);
    font-family: inherit;
}

/* ================================
   Hero
   ================================ */

.i4p-rfq-hero {
    margin-bottom: 32px;
    padding: 36px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 16px;
    background:
        linear-gradient(135deg, var(--i4p-rfq-green-soft), #ffffff);
}

.i4p-rfq-hero__content {
    max-width: 920px;
}

.i4p-rfq-eyebrow {
    margin: 0 0 10px;
    color: var(--i4p-rfq-green);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.i4p-rfq-title {
    margin: 0;
    color: var(--i4p-rfq-text);
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.05;
    font-weight: 800;
}

.i4p-rfq-intro {
    max-width: 760px;
    margin: 18px 0 0;
    color: #374151;
    font-size: 18px;
    line-height: 1.65;
}

.i4p-rfq-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.i4p-rfq-benefit {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 8px 12px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 999px;
    background: #ffffff;
    color: var(--i4p-rfq-green-dark);
    font-size: 14px;
    font-weight: 600;
}

/* ================================
   Layout
   ================================ */

.i4p-rfq-form {
    width: 100%;
}

.i4p-rfq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 28px;
    align-items: start;
}

.i4p-rfq-main {
    min-width: 0;
}

.i4p-rfq-section {
    margin-bottom: 24px;
    padding: 28px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 16px;
    background: var(--i4p-rfq-white);
    box-shadow: 0 1px 2px rgba(17, 24, 39, 0.06);
}

.i4p-rfq-section__header {
    margin-bottom: 20px;
}

.i4p-rfq-section__header h2 {
    margin: 0;
    color: var(--i4p-rfq-text);
    font-size: 22px;
    line-height: 1.25;
    font-weight: 800;
}

.i4p-rfq-section__header p {
    margin: 8px 0 0;
    color: var(--i4p-rfq-text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* ================================
   Fields
   ================================ */

.i4p-rfq-field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.i4p-rfq-field {
    min-width: 0;
    margin: 0 0 18px;
}

.i4p-rfq-field:last-child {
    margin-bottom: 0;
}

.i4p-rfq-field--full {
    grid-column: 1 / -1;
}

.i4p-rfq-field label,
.i4p-rfq-field legend {
    display: block;
    margin: 0 0 8px;
    color: var(--i4p-rfq-text);
    font-size: 14px;
    font-weight: 700;
}

.i4p-rfq-field input[type="text"],
.i4p-rfq-field input[type="email"],
.i4p-rfq-field input[type="tel"],
.i4p-rfq-field input[type="number"],
.i4p-rfq-field select,
.i4p-rfq-field textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 10px;
    background: #ffffff;
    color: var(--i4p-rfq-text);
    font: inherit;
    font-size: 15px;
    line-height: 1.4;
}

.i4p-rfq-field textarea {
    min-height: 112px;
    resize: vertical;
}

.i4p-rfq-field input:focus,
.i4p-rfq-field select:focus,
.i4p-rfq-field textarea:focus {
    outline: 2px solid rgba(22, 103, 47, 0.2);
    outline-offset: 2px;
    border-color: var(--i4p-rfq-green);
}

.i4p-rfq-help {
    margin: 8px 0 0;
    color: var(--i4p-rfq-text-muted);
    font-size: 13px;
    line-height: 1.5;
}

/* ================================
   Radio cards
   ================================ */

.i4p-rfq-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.i4p-rfq-radio-card {
    position: relative;
    display: block;
    min-height: 112px;
    padding: 18px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 14px;
    background: #ffffff;
    cursor: pointer;
    transition:
        border-color 160ms ease,
        background-color 160ms ease,
        box-shadow 160ms ease;
}

.i4p-rfq-radio-card:hover {
    border-color: var(--i4p-rfq-green);
    box-shadow: 0 1px 2px rgba(17, 24, 39, 0.08);
}

.i4p-rfq-radio-card input[type="radio"] {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 18px;
    height: 18px;
    accent-color: var(--i4p-rfq-green);
}

.i4p-rfq-radio-card:has(input[type="radio"]:checked) {
    border-color: var(--i4p-rfq-green);
    background: var(--i4p-rfq-green-soft);
    box-shadow: 0 0 0 1px var(--i4p-rfq-green);
}

.i4p-rfq-radio-card__title {
    display: block;
    padding-right: 28px;
    color: var(--i4p-rfq-text);
    font-size: 16px;
    line-height: 1.35;
    font-weight: 800;
}

.i4p-rfq-radio-card__description {
    display: block;
    margin-top: 8px;
    padding-right: 12px;
    color: var(--i4p-rfq-text-muted);
    font-size: 14px;
    line-height: 1.5;
}

/* ================================
   Segmented control
   ================================ */

.i4p-rfq-segmented-control {
    display: inline-flex;
    padding: 4px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 999px;
    background: var(--i4p-rfq-bg);
}

.i4p-rfq-segmented-control label {
    margin: 0;
}

.i4p-rfq-segmented-control input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.i4p-rfq-segmented-control span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    min-height: 36px;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--i4p-rfq-text-muted);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.i4p-rfq-segmented-control input:checked + span {
    background: var(--i4p-rfq-green);
    color: #ffffff;
}

/* ================================
   Quantity chips
   ================================ */

.i4p-rfq-quantity-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.i4p-rfq-chip {
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 999px;
    background: #ffffff;
    color: var(--i4p-rfq-text);
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.i4p-rfq-chip:hover,
.i4p-rfq-chip:focus {
    border-color: var(--i4p-rfq-green);
    color: var(--i4p-rfq-green-dark);
    outline: none;
}

/* ================================
   Option list and checkbox
   ================================ */

.i4p-rfq-option-list {
    display: grid;
    gap: 10px;
}

.i4p-rfq-option-list label,
.i4p-rfq-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 10px;
    background: #ffffff;
    cursor: pointer;
}

.i4p-rfq-option-list input,
.i4p-rfq-checkbox input {
    margin-top: 3px;
    accent-color: var(--i4p-rfq-green);
}

.i4p-rfq-checkbox span {
    color: #374151;
    font-size: 14px;
    line-height: 1.5;
}

/* ================================
   Buttons
   ================================ */

.i4p-rfq-primary-button,
.i4p-rfq-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border-radius: 10px;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
}

.i4p-rfq-primary-button {
    border: 1px solid var(--i4p-rfq-green);
    background: var(--i4p-rfq-green);
    color: #ffffff;
}

.i4p-rfq-primary-button:disabled {
    border-color: #a7b7ad;
    background: #a7b7ad;
    cursor: not-allowed;
}

.i4p-rfq-secondary-button {
    border: 1px solid var(--i4p-rfq-green);
    background: #ffffff;
    color: var(--i4p-rfq-green);
}

.i4p-rfq-secondary-button:hover,
.i4p-rfq-secondary-button:focus {
    background: var(--i4p-rfq-green-soft);
}

.i4p-rfq-submit-row {
    margin-top: 28px;
    padding: 24px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 16px;
    background: var(--i4p-rfq-green-soft);
}

/* ================================
   Vendor placeholder
   ================================ */

.i4p-rfq-vendor-placeholder {
    padding: 18px;
    border: 1px dashed var(--i4p-rfq-border);
    border-radius: 14px;
    background: var(--i4p-rfq-bg);
}

/* ================================
   Summary
   ================================ */

.i4p-rfq-summary {
    position: sticky;
    top: 24px;
    min-width: 0;
}

.i4p-rfq-summary__inner {
    max-height: calc(100vh - 48px);
    overflow: auto;
    padding: 24px;
    border: 1px solid var(--i4p-rfq-border);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 1px 2px rgba(17, 24, 39, 0.06);
}

.i4p-rfq-summary h2 {
    margin: 0 0 18px;
    color: var(--i4p-rfq-text);
    font-size: 22px;
    line-height: 1.25;
    font-weight: 800;
}

.i4p-rfq-summary-group {
    padding: 14px 0;
    border-top: 1px solid var(--i4p-rfq-border);
}

.i4p-rfq-summary-group h3 {
    margin: 0 0 6px;
    color: var(--i4p-rfq-text);
    font-size: 14px;
    line-height: 1.3;
    font-weight: 800;
}

.i4p-rfq-summary-group p {
    margin: 0;
    color: var(--i4p-rfq-text-muted);
    font-size: 14px;
    line-height: 1.5;
}

.i4p-rfq-completeness-card {
    margin-top: 18px;
    padding: 16px;
    border-radius: 14px;
}

.i4p-rfq-completeness-card strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
    line-height: 1.3;
}

.i4p-rfq-completeness-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.i4p-rfq-completeness-card--incomplete {
    border: 1px solid var(--i4p-rfq-warning-border);
    background: var(--i4p-rfq-warning-bg);
    color: #5f4300;
}

/* ================================
   Responsive
   ================================ */

@media (max-width: 1023px) {
    .i4p-rfq-layout {
        grid-template-columns: 1fr;
    }

    .i4p-rfq-summary {
        position: static;
    }

    .i4p-rfq-summary__inner {
        max-height: none;
    }
}

@media (max-width: 767px) {
    .i4p-rfq-page {
        padding: 20px 14px 40px;
    }

    .i4p-rfq-hero {
        padding: 24px;
        border-radius: 14px;
    }

    .i4p-rfq-intro {
        font-size: 16px;
    }

    .i4p-rfq-section {
        padding: 20px;
        border-radius: 14px;
    }

    .i4p-rfq-card-grid,
    .i4p-rfq-field-grid {
        grid-template-columns: 1fr;
    }

    .i4p-rfq-radio-card {
        min-height: auto;
    }

    .i4p-rfq-primary-button,
    .i4p-rfq-secondary-button {
        width: 100%;
    }
}

/* ================================
   RFQ form JS state helpers
   v0.1.3
   ================================ */

.i4p-rfq-radio-card--selected {
    border-color: var(--i4p-rfq-green);
    background: var(--i4p-rfq-green-soft);
    box-shadow: 0 0 0 1px var(--i4p-rfq-green);
}

.i4p-rfq-radio-card--disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.i4p-rfq-radio-card--disabled * {
    cursor: not-allowed;
}

.i4p-rfq-chip--selected {
    border-color: var(--i4p-rfq-green);
    background: var(--i4p-rfq-green-soft);
    color: var(--i4p-rfq-green-dark);
    box-shadow: 0 0 0 1px var(--i4p-rfq-green);
}

.i4p-rfq-completeness-card--ready {
    border: 1px solid var(--i4p-rfq-green);
    background: var(--i4p-rfq-green-soft);
    color: var(--i4p-rfq-green-dark);
}

/* ================================
   RFQ prefill notice
   v0.1.4b
   ================================ */

.i4p-rfq-prefill-notice {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    margin-bottom: 24px;
    padding: 14px 16px;
    border: 1px solid var(--i4p-rfq-green);
    border-radius: 14px;
    background: var(--i4p-rfq-green-soft);
    color: var(--i4p-rfq-green-dark);
}

.i4p-rfq-prefill-notice strong {
    font-weight: 800;
}

.i4p-rfq-prefill-notice span {
    font-weight: 700;
}

.i4p-rfq-prefill-notice small {
    color: var(--i4p-rfq-text-muted);
    font-size: 13px;
}

/* ================================
   RFQ measurement schema fields
   v0.1.5
   ================================ */

.i4p-rfq-measurement-field[hidden] {
    display: none !important;
}

.i4p-rfq-required-marker {
    color: var(--i4p-rfq-error);
    font-weight: 800;
    margin-left: 2px;
}

/* ================================
   RFQ measurement guidance
   v0.1.8
   ================================ */

.i4p-rfq-measurement-guide {
    margin: 24px 0;
    padding: 0;
}

.i4p-rfq-measurement-guide__content {
    display: grid;
    grid-template-columns: minmax(220px, 0.85fr) minmax(260px, 1.15fr);
    gap: 28px;
    align-items: center;
    padding: 28px;
    border: 1px solid var(--i4p-rfq-border, #d9e2dc);
    border-radius: 16px;
    background: var(--i4p-rfq-green-soft, #f4faf5);
}

.i4p-rfq-measurement-guide__text h3 {
    margin: 0 0 12px;
    color: var(--i4p-rfq-text, #111827);
    font-size: 22px;
    line-height: 1.25;
    font-weight: 800;
}

.i4p-rfq-measurement-guide__text p {
    margin: 0;
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 15px;
    line-height: 1.7;
}

.i4p-rfq-measurement-guide__text small {
    display: inline-block;
    margin-top: 14px;
    color: var(--i4p-rfq-green-dark, #125527);
    font-size: 13px;
    font-weight: 700;
}

.i4p-rfq-measurement-guide__image {
    margin: 0;
    padding: 0;
    text-align: center;
}

.i4p-rfq-measurement-guide__image img {
    display: block;
    width: 100%;
    max-height: 320px;
    object-fit: contain;
}

.i4p-rfq-dimension-reference {
    margin: 24px 0;
}

.i4p-rfq-field-label {
    display: block;
    margin-bottom: 12px;
    color: var(--i4p-rfq-text, #111827);
    font-size: 16px;
    font-weight: 800;
}

.i4p-rfq-radio-grid--two {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.i4p-rfq-reference-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    background: var(--i4p-rfq-green-soft, #f4faf5);
    color: var(--i4p-rfq-green, #16672f);
    font-size: 22px;
    line-height: 1;
    flex: 0 0 auto;
}

.i4p-rfq-radio-card--selected .i4p-rfq-reference-icon {
    background: rgba(22, 103, 47, 0.12);
    color: var(--i4p-rfq-green-dark, #125527);
}

@media (max-width: 768px) {
    .i4p-rfq-measurement-guide__content {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .i4p-rfq-radio-grid--two {
        grid-template-columns: 1fr;
    }

    .i4p-rfq-measurement-guide__text h3 {
        font-size: 19px;
    }
}

/* ================================
   RFQ measurement guidance layout fix
   v0.1.8b
   ================================ */

.i4p-rfq-measurement-guide,
.i4p-rfq-dimension-reference {
    grid-column: 1 / -1;
    width: 100%;
}

.i4p-rfq-measurement-guide {
    margin: 24px 0 28px;
}

.i4p-rfq-measurement-guide__content {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
    gap: 28px;
    align-items: center;
    padding: 28px;
    border: 1px solid var(--i4p-rfq-border, #d9e2dc);
    border-radius: 16px;
    background: var(--i4p-rfq-green-soft, #f4faf5);
}

.i4p-rfq-measurement-guide__text h3 {
    margin: 0 0 12px;
    color: var(--i4p-rfq-text, #111827);
    font-size: 22px;
    line-height: 1.2;
    font-weight: 800;
}

.i4p-rfq-measurement-guide__text p {
    margin: 0;
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 15px;
    line-height: 1.7;
}

.i4p-rfq-measurement-guide__text small {
    display: inline-block;
    margin-top: 18px;
    color: var(--i4p-rfq-green-dark, #125527);
    font-size: 13px;
    font-weight: 800;
}

.i4p-rfq-measurement-guide__image {
    margin: 0;
    padding: 0;
    text-align: center;
}

.i4p-rfq-measurement-guide__image img {
    display: block;
    width: 100%;
    max-height: 320px;
    object-fit: contain;
}

.i4p-rfq-dimension-reference {
    margin: 0 0 28px;
}

.i4p-rfq-field-label {
    display: block;
    margin-bottom: 12px;
    color: var(--i4p-rfq-text, #111827);
    font-size: 16px;
    font-weight: 800;
}

.i4p-rfq-radio-grid--two {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.i4p-rfq-dimension-reference .i4p-rfq-radio-card {
    min-height: 92px;
    align-items: center;
}

.i4p-rfq-reference-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    background: var(--i4p-rfq-green-soft, #f4faf5);
    color: var(--i4p-rfq-green, #16672f);
    font-size: 20px;
    line-height: 1;
    flex: 0 0 auto;
}

.i4p-rfq-radio-card--selected .i4p-rfq-reference-icon {
    background: rgba(22, 103, 47, 0.12);
    color: var(--i4p-rfq-green-dark, #125527);
}

@media (max-width: 768px) {
    .i4p-rfq-measurement-guide__content {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .i4p-rfq-radio-grid--two {
        grid-template-columns: 1fr;
    }

    .i4p-rfq-measurement-guide__text h3 {
        font-size: 19px;
    }
}
/* ================================
   RFQ supplier cards
   v0.2.0
   ================================ */

.i4p-rfq-supplier-selector {
    width: 100%;
}

.i4p-rfq-supplier-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.i4p-rfq-supplier-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    min-height: 100%;
    padding: 18px;
    border: 1px solid var(--i4p-rfq-border, #d9e2dc);
    border-radius: 16px;
    background: #ffffff;
    color: var(--i4p-rfq-text, #111827);
    text-align: left;
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.i4p-rfq-supplier-card:hover {
    border-color: var(--i4p-rfq-green, #16672f);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
}

.i4p-rfq-supplier-card:focus-visible {
    outline: 3px solid rgba(22, 103, 47, 0.24);
    outline-offset: 2px;
}

.i4p-rfq-supplier-card--selected {
    border-color: var(--i4p-rfq-green, #16672f);
    background: var(--i4p-rfq-green-soft, #f4faf5);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
}

.i4p-rfq-supplier-card__header {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.i4p-rfq-supplier-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 999px;
    background: var(--i4p-rfq-green-soft, #f4faf5);
    color: var(--i4p-rfq-green, #16672f);
    font-size: 20px;
    line-height: 1;
}

.i4p-rfq-supplier-card__title-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.i4p-rfq-supplier-card__title {
    color: var(--i4p-rfq-text, #111827);
    font-size: 16px;
    line-height: 1.35;
    font-weight: 800;
}

.i4p-rfq-supplier-card__meta {
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 13px;
    line-height: 1.4;
}

.i4p-rfq-supplier-card__section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.i4p-rfq-supplier-card__label {
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 12px;
    line-height: 1.3;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.i4p-rfq-supplier-card__text {
    color: var(--i4p-rfq-text, #111827);
    font-size: 14px;
    line-height: 1.55;
}

.i4p-rfq-supplier-card__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.i4p-rfq-supplier-card__chip {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--i4p-rfq-green-soft, #f4faf5);
    color: var(--i4p-rfq-green-dark, #125527);
    font-size: 12px;
    font-weight: 800;
    line-height: 1;
}

.i4p-rfq-supplier-card__notes {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--i4p-rfq-border, #d9e2dc);
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 13px;
    line-height: 1.5;
}

.i4p-rfq-supplier-empty {
    padding: 18px;
    border: 1px dashed var(--i4p-rfq-border, #d9e2dc);
    border-radius: 16px;
    background: var(--i4p-rfq-bg-soft, #f7f9f8);
}

.i4p-rfq-supplier-empty strong {
    display: block;
    margin-bottom: 6px;
    color: var(--i4p-rfq-text, #111827);
}

.i4p-rfq-supplier-empty p {
    margin: 0;
    color: var(--i4p-rfq-text-muted, #6b7280);
}

@media (max-width: 900px) {
    .i4p-rfq-supplier-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   RFQ supplier filtering
   v0.2.1
   ================================ */

.i4p-rfq-supplier-filter-message {
    margin-top: 12px;
    padding: 14px 16px;
    border: 1px solid var(--i4p-rfq-border, #d9e2dc);
    border-radius: 14px;
    background: var(--i4p-rfq-bg-soft, #f7f9f8);
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 14px;
    line-height: 1.5;
}

.i4p-rfq-supplier-filter-message:empty {
    display: none;
}

.i4p-rfq-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin-top: 14px;
    padding: 10px 16px;
    border: 1px solid var(--i4p-rfq-green, #16672f);
    border-radius: 999px;
    background: #ffffff;
    color: var(--i4p-rfq-green, #16672f);
    font-size: 14px;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.i4p-rfq-secondary-button:hover,
.i4p-rfq-secondary-button:focus-visible {
    background: var(--i4p-rfq-green-soft, #f4faf5);
    box-shadow: 0 6px 18px rgba(17, 24, 39, 0.08);
}

.i4p-rfq-supplier-toggle[hidden] {
    display: none;
}

/* ================================
   RFQ smoke-test submit message
   v0.2.2
   ================================ */

.i4p-rfq-submit-message {
    margin-bottom: 14px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--i4p-rfq-border, #d9e2dc);
    background: var(--i4p-rfq-bg-soft, #f7f9f8);
    color: var(--i4p-rfq-text-muted, #6b7280);
    font-size: 14px;
    line-height: 1.5;
}

.i4p-rfq-submit-message:empty {
    display: none;
}

.i4p-rfq-submit-message--success {
    border-color: var(--i4p-rfq-green, #16672f);
    background: var(--i4p-rfq-green-soft, #f4faf5);
    color: var(--i4p-rfq-green-dark, #125527);
}

.i4p-rfq-submit-message--error {
    border-color: var(--i4p-rfq-error, #b42318);
    background: #fff5f5;
    color: var(--i4p-rfq-error, #b42318);
}

.i4p-rfq-submit-message--info {
    border-color: var(--i4p-rfq-border, #d9e2dc);
    background: var(--i4p-rfq-bg-soft, #f7f9f8);
    color: var(--i4p-rfq-text-muted, #6b7280);
}

/* ================================
   RFQ backend validation errors
   v0.2.3
   ================================ */

.i4p-rfq-field--error {
    border-color: var(--i4p-rfq-error, #b42318);
}

.i4p-rfq-field--error input,
.i4p-rfq-field--error select,
.i4p-rfq-field--error textarea {
    border-color: var(--i4p-rfq-error, #b42318);
}

.i4p-rfq-field-error {
    margin-top: 8px;
    color: var(--i4p-rfq-error, #b42318);
    font-size: 13px;
    line-height: 1.4;
    font-weight: 700;
}

.i4p-rfq-submit-message ul {
    margin: 8px 0 0;
    padding-left: 20px;
}

.i4p-rfq-submit-message li {
    margin: 4px 0;
}