/* ============================================================
   SAIMON'S — Product Customization Wizard (designer.css)
   Premium editorial aesthetic · Mobile-first · 7-step wizard
   ============================================================ */

/* ----------------------------------------------------------
   1. WIZARD CONTAINER
   ---------------------------------------------------------- */
.designer-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
    font-family: var(--font-body);
    color: var(--color-black);
    position: relative;
    min-height: 100vh;
}

@media (min-width: 768px) {
    .designer-container {
        padding: 3rem 2rem 5rem;
    }
}

@media (min-width: 1024px) {
    .designer-container {
        padding: 4rem 2rem 6rem;
    }
}

/* ----------------------------------------------------------
   2. PROGRESS BAR — Glassmorphism
   ---------------------------------------------------------- */
.designer-progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    margin-bottom: 2.5rem;
    border-radius: var(--radius-large);
    background: var(--color-white-translucent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-glass-border);
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 1rem;
    z-index: 100;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.designer-progress::-webkit-scrollbar {
    display: none;
}

@media (min-width: 768px) {
    .designer-progress {
        padding: 1.25rem 2rem;
        margin-bottom: 3rem;
    }
}

.designer-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    position: relative;
    flex-shrink: 0;
    cursor: default;
    padding: 0 0.25rem;
}

.designer-progress-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 14px;
    left: calc(50% + 16px);
    width: calc(100% - 8px);
    height: 2px;
    background: var(--color-warm-gray);
    transition: background var(--transition-normal);
}

@media (max-width: 767px) {
    .designer-progress-step:not(:last-child)::after {
        width: 20px;
        left: calc(50% + 14px);
    }
}

.designer-progress-step.completed:not(:last-child)::after {
    background: var(--color-green);
}

.designer-progress-number {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    border: 2px solid var(--color-warm-gray);
    color: var(--color-warm-gray);
    background: var(--color-white);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.designer-progress-step.active .designer-progress-number {
    border-color: var(--color-green);
    background: var(--color-green);
    color: var(--color-white);
    box-shadow: 0 0 0 4px rgba(15, 91, 70, 0.15);
}

.designer-progress-step.completed .designer-progress-number {
    border-color: var(--color-green);
    background: var(--color-green);
    color: var(--color-white);
}

.designer-progress-step.completed .designer-progress-number::after {
    content: '✓';
    font-size: 0.8rem;
}

.designer-progress-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--color-warm-gray);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
    transition: color var(--transition-normal);
    display: none;
}

.designer-progress-step.active .designer-progress-label,
.designer-progress-step.completed .designer-progress-label {
    color: var(--color-green);
}

@media (min-width: 768px) {
    .designer-progress-label {
        display: block;
    }
}

/* ----------------------------------------------------------
   3. STEP CONTAINER — Transitions
   ---------------------------------------------------------- */
.designer-step {
    display: none;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--transition-normal),
                transform var(--transition-normal);
    will-change: opacity, transform;
}

.designer-step.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.designer-step.exit-left {
    opacity: 0;
    transform: translateX(-30px);
}

.designer-step.enter-right {
    opacity: 0;
    transform: translateX(30px);
}

/* ----------------------------------------------------------
   4. STEP TITLES
   ---------------------------------------------------------- */
.step-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

@media (min-width: 768px) {
    .step-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .step-title {
        font-size: 2.5rem;
    }
}

.step-subtitle {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--color-black-light);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 560px;
}

@media (min-width: 768px) {
    .step-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }
}

/* ----------------------------------------------------------
   5. PRODUCT GRID — Step 1
   ---------------------------------------------------------- */
.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

.product-card {
    background: var(--color-white);
    border: 2px solid var(--color-warm-gray-light);
    border-radius: var(--radius-large);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mauve);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.product-card:hover {
    border-color: var(--color-mauve);
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
}

.product-card:hover::before {
    opacity: 0.3;
}

.product-card:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

.product-card.selected {
    border-color: var(--color-green);
    box-shadow: var(--shadow-premium);
}

.product-card.selected::after {
    content: '✓';
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 24px;
    height: 24px;
    background: var(--color-green);
    color: var(--color-white);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    animation: scaleIn 0.3s var(--transition-normal);
}

.product-card-icon {
    position: relative;
    z-index: 1;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-green);
    background: var(--color-warm-gray-light);
    border-radius: var(--radius-round);
    transition: all var(--transition-normal);
}

.product-card:hover .product-card-icon {
    background: var(--color-white);
    transform: scale(1.08);
}

.product-card-name {
    position: relative;
    z-index: 1;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-black);
}

.product-card-description {
    position: relative;
    z-index: 1;
    font-size: 0.8125rem;
    color: var(--color-black-light);
    line-height: 1.5;
}

/* ----------------------------------------------------------
   6. BIFURCATION — Step 2
   ---------------------------------------------------------- */
.bifurcation-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .bifurcation-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

.bifurcation-card {
    background: var(--color-white);
    border: 2px solid var(--color-warm-gray-light);
    border-radius: var(--radius-large);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 240px;
    justify-content: center;
}

.bifurcation-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.bifurcation-card:first-child::before {
    background: var(--gradient-lavender);
}

.bifurcation-card:last-child::before {
    background: var(--gradient-mauve);
}

.bifurcation-card:hover {
    border-color: var(--color-lavender);
    box-shadow: var(--shadow-medium);
    transform: translateY(-6px);
}

.bifurcation-card:hover::before {
    opacity: 0.35;
}

.bifurcation-card:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

.bifurcation-card.selected {
    border-color: var(--color-green);
    box-shadow: var(--shadow-premium);
}

.bifurcation-card.selected::before {
    opacity: 0.25;
}

.bifurcation-card.selected::after {
    content: '✓';
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 28px;
    height: 28px;
    background: var(--color-green);
    color: var(--color-white);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 2;
    animation: scaleIn 0.3s var(--transition-normal);
}

.bifurcation-card-icon {
    position: relative;
    z-index: 1;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-green);
    background: var(--color-white-translucent);
    border-radius: var(--radius-round);
    transition: all var(--transition-normal);
}

.bifurcation-card:hover .bifurcation-card-icon {
    transform: scale(1.1);
}

.bifurcation-card-title {
    position: relative;
    z-index: 1;
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-black);
}

@media (min-width: 768px) {
    .bifurcation-card-title {
        font-size: 1.5rem;
    }
}

.bifurcation-card-description {
    position: relative;
    z-index: 1;
    font-size: 0.875rem;
    color: var(--color-black-light);
    line-height: 1.6;
    max-width: 320px;
}

/* ----------------------------------------------------------
   7. UPLOAD ZONE — Step 3a
   ---------------------------------------------------------- */
.upload-zone {
    border: 2px dashed var(--color-warm-gray);
    border-radius: var(--radius-large);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--color-white);
    position: relative;
}

.upload-zone:hover {
    border-color: var(--color-lavender);
    background: var(--color-warm-gray-light);
}

.upload-zone:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

.upload-zone.dragover {
    border-color: var(--color-green);
    background: rgba(15, 91, 70, 0.04);
    border-style: solid;
    box-shadow: 0 0 0 4px rgba(15, 91, 70, 0.1);
    transform: scale(1.01);
}

.upload-zone-icon {
    font-size: 2.5rem;
    color: var(--color-lavender);
    margin-bottom: 1rem;
    transition: transform var(--transition-normal);
}

.upload-zone:hover .upload-zone-icon,
.upload-zone.dragover .upload-zone-icon {
    transform: translateY(-4px) scale(1.05);
    color: var(--color-green);
}

.upload-zone-text {
    font-size: 0.9375rem;
    color: var(--color-black-light);
    margin-bottom: 0.5rem;
}

.upload-zone-hint {
    font-size: 0.75rem;
    color: var(--color-warm-gray);
}

.upload-zone-cta {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--color-green);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* File Preview List */
.file-preview-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.file-preview-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-warm-gray-light);
    border-radius: var(--radius-medium);
    transition: background var(--transition-fast);
}

.file-preview-item:hover {
    background: var(--color-ivory);
}

.file-preview-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-small);
    object-fit: cover;
    border: 1px solid var(--color-glass-border);
    flex-shrink: 0;
}

.file-preview-info {
    flex: 1;
    min-width: 0;
}

.file-preview-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-preview-size {
    font-size: 0.75rem;
    color: var(--color-black-light);
}

.file-preview-remove {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-warm-gray);
    cursor: pointer;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.file-preview-remove:hover {
    background: rgba(23, 23, 23, 0.06);
    color: var(--color-black);
}

.file-preview-remove:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 1px;
}

/* ----------------------------------------------------------
   8. BRIEF FORM — Step 3b
   ---------------------------------------------------------- */
.brief-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 640px;
}

@media (min-width: 768px) {
    .brief-form {
        gap: 1.75rem;
    }
}

.brief-form .form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .brief-form .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ----------------------------------------------------------
   9. FORM ELEMENTS
   ---------------------------------------------------------- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-label .required {
    color: var(--color-lavender);
    margin-left: 0.125rem;
}

.form-input,
.form-select,
.form-textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-black);
    background: var(--color-white);
    border: 1.5px solid var(--color-warm-gray);
    border-radius: var(--radius-medium);
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
    width: 100%;
    box-sizing: border-box;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-warm-gray);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-lavender);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(15, 91, 70, 0.1);
}

.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 1px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%232c2c2c' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* ----------------------------------------------------------
   10. COLOR PICKER
   ---------------------------------------------------------- */
.color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.25rem 0;
}

.color-option {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-round);
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(23, 23, 23, 0.08);
}

.color-option:hover {
    transform: scale(1.15);
    box-shadow: var(--shadow-soft);
}

.color-option:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 3px;
}

.color-option.selected {
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(15, 91, 70, 0.15);
    transform: scale(1.1);
}

.color-option.selected::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ----------------------------------------------------------
   11. PLACEMENT SELECTOR — Step 4
   ---------------------------------------------------------- */
.placement-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .placement-selector {
        flex-direction: row;
        align-items: flex-start;
        gap: 3rem;
    }
}

.placement-visual {
    position: relative;
    width: 240px;
    height: 320px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .placement-visual {
        width: 280px;
        height: 360px;
    }
}

.placement-visual img,
.placement-visual svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.placement-zone {
    position: absolute;
    width: 48px;
    height: 48px;
    border: 2px dashed var(--color-warm-gray);
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-black-light);
    transition: all var(--transition-fast);
}

.placement-zone:hover {
    border-color: var(--color-lavender);
    background: rgba(187, 166, 203, 0.15);
    transform: scale(1.08);
}

.placement-zone:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

.placement-zone.active {
    border-style: solid;
    border-color: var(--color-green);
    background: rgba(15, 91, 70, 0.08);
    color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(15, 91, 70, 0.12);
}

.placement-options {
    flex: 1;
    width: 100%;
}

/* ----------------------------------------------------------
   12. SIZE TABLE — Step 4
   ---------------------------------------------------------- */
.size-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1.5rem;
}

.size-table thead th {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-black-light);
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 2px solid var(--color-warm-gray-light);
}

.size-row {
    transition: background var(--transition-fast);
}

.size-row:hover {
    background: var(--color-warm-gray-light);
}

.size-row td {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    color: var(--color-black);
    border-bottom: 1px solid var(--color-warm-gray-light);
    vertical-align: middle;
}

.size-row .form-input,
.size-row .form-select {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
}

.size-row-remove {
    background: none;
    border: none;
    color: var(--color-warm-gray);
    cursor: pointer;
    padding: 0.375rem;
    border-radius: var(--radius-round);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.size-row-remove:hover {
    color: var(--color-black);
    background: rgba(23, 23, 23, 0.06);
}

.size-row-remove:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 1px;
}

.add-size-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-green);
    background: transparent;
    border: 1.5px dashed var(--color-green);
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-size-btn:hover {
    background: rgba(15, 91, 70, 0.05);
    border-style: solid;
}

.add-size-btn:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

/* ----------------------------------------------------------
   13. MOCKUP PREVIEW — Step 5
   ---------------------------------------------------------- */
.mockup-canvas-container {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    background: var(--color-warm-gray-light);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    aspect-ratio: 4 / 5;
}

.mockup-canvas-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.mockup-canvas-container .mockup-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white-translucent);
}

.mockup-canvas-container .mockup-loading::after {
    content: '';
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-warm-gray-light);
    border-top-color: var(--color-green);
    border-radius: var(--radius-round);
    animation: spin 0.8s linear infinite;
}

.mockup-disclaimer {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    background: var(--color-warm-gray-light);
    border-radius: var(--radius-medium);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-black-light);
    border-left: 3px solid var(--color-lavender);
}

.mockup-disclaimer strong {
    color: var(--color-black);
}

/* ----------------------------------------------------------
   14. DELIVERY OPTIONS — Step 6
   ---------------------------------------------------------- */
.delivery-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .delivery-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

.delivery-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-white);
    border: 2px solid var(--color-warm-gray-light);
    border-radius: var(--radius-large);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.delivery-option:hover {
    border-color: var(--color-lavender);
    box-shadow: var(--shadow-soft);
}

.delivery-option:focus-within {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

.delivery-option.selected,
.delivery-option:has(input:checked) {
    border-color: var(--color-green);
    background: rgba(15, 91, 70, 0.02);
}

.delivery-option input[type="radio"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-warm-gray);
    border-radius: var(--radius-round);
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.delivery-option input[type="radio"]:checked {
    border-color: var(--color-green);
    background: var(--color-green);
}

.delivery-option input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: var(--radius-round);
}

.delivery-option-content {
    flex: 1;
}

.delivery-option-label {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-black);
    margin-bottom: 0.125rem;
}

.delivery-option-desc {
    font-size: 0.8125rem;
    color: var(--color-black-light);
}

/* ----------------------------------------------------------
   15. CONSENT GROUP — Step 6
   ---------------------------------------------------------- */
.consent-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.consent-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.consent-item input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-warm-gray);
    border-radius: var(--radius-small);
    flex-shrink: 0;
    margin-top: 0.125rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.consent-item input[type="checkbox"]:hover {
    border-color: var(--color-lavender);
}

.consent-item input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 2px;
}

.consent-item input[type="checkbox"]:checked {
    background: var(--color-green);
    border-color: var(--color-green);
}

.consent-item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
}

.consent-item label {
    font-size: 0.8125rem;
    color: var(--color-black-light);
    line-height: 1.5;
    cursor: pointer;
}

.consent-item label a {
    color: var(--color-green);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.consent-item label a:hover {
    color: var(--color-green-hover);
}

/* ----------------------------------------------------------
   16. SUMMARY — Step 7
   ---------------------------------------------------------- */
.summary-section {
    background: var(--color-white);
    border: 1px solid var(--color-warm-gray-light);
    border-radius: var(--radius-large);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-soft);
}

@media (min-width: 768px) {
    .summary-section {
        padding: 2rem;
    }
}

.summary-section-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-warm-gray-light);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.summary-row:not(:last-child) {
    border-bottom: 1px solid var(--color-warm-gray-light);
}

.summary-row-label {
    color: var(--color-black-light);
    font-weight: 500;
    flex-shrink: 0;
}

.summary-row-value {
    color: var(--color-black);
    font-weight: 600;
    text-align: right;
    word-break: break-word;
}

/* ----------------------------------------------------------
   17. NAVIGATION — Bottom bar
   ---------------------------------------------------------- */
.designer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-warm-gray-light);
}

/* ----------------------------------------------------------
   18. BUTTONS
   ---------------------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-white);
    background: var(--color-green);
    border: none;
    border-radius: var(--radius-round);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn-primary:hover {
    background: var(--color-green-hover);
    box-shadow: var(--shadow-premium);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 3px;
}

.btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-black);
    background: transparent;
    border: 1.5px solid var(--color-warm-gray);
    border-radius: var(--radius-round);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn-secondary:hover {
    border-color: var(--color-black);
    background: var(--color-warm-gray-light);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 3px;
}

.btn-secondary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-white);
    background: var(--gradient-emerald);
    background-size: 200% 200%;
    border: none;
    border-radius: var(--radius-round);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-submit:hover {
    box-shadow: var(--shadow-premium), 0 4px 16px rgba(15, 91, 70, 0.2);
    transform: translateY(-3px);
}

.btn-submit:hover::before {
    opacity: 1;
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-submit:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 4px;
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-submit.loading {
    pointer-events: none;
    opacity: 0.7;
    cursor: wait;
}

.btn-submit.loading .btn-submit-text {
    visibility: hidden;
}

.btn-submit.loading::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: var(--radius-round);
    animation: spin 0.7s linear infinite;
}

/* ----------------------------------------------------------
   19. HONEYPOT
   ---------------------------------------------------------- */
.honeypot-field {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ----------------------------------------------------------
   20. ERROR MESSAGES
   ---------------------------------------------------------- */
.error-message {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: #c0392b;
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    animation: shakeIn 0.35s ease;
}

.error-message::before {
    content: '!';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: #c0392b;
    color: var(--color-white);
    border-radius: var(--radius-round);
    font-size: 0.625rem;
    font-weight: 700;
    flex-shrink: 0;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #c0392b;
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

/* ----------------------------------------------------------
   21. SUCCESS SCREEN
   ---------------------------------------------------------- */
.success-screen {
    text-align: center;
    padding: 4rem 2rem;
    animation: fadeInUp 0.8s var(--transition-normal);
}

.success-screen-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto 2rem;
    background: var(--color-green);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-white);
    animation: successPop 0.6s 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.success-screen-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .success-screen-title {
        font-size: 2.5rem;
    }
}

.success-screen-text {
    font-size: 1rem;
    color: var(--color-black-light);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto;
}

.success-screen-ref {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-warm-gray-light);
    border-radius: var(--radius-medium);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-green);
    letter-spacing: 0.04em;
}

/* ----------------------------------------------------------
   22. KEYFRAME ANIMATIONS
   ---------------------------------------------------------- */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(24px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shakeIn {
    0% { transform: translateX(-6px); opacity: 0; }
    25% { transform: translateX(4px); }
    50% { transform: translateX(-2px); }
    100% { transform: translateX(0); opacity: 1; }
}

/* ----------------------------------------------------------
   23. UTILITY / HELPER
   ---------------------------------------------------------- */

/* Visually-hidden (for accessible labels) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden {
    display: none !important;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .designer-step.active {
        transform: none;
    }

    .product-card:hover,
    .bifurcation-card:hover,
    .btn-primary:hover,
    .btn-secondary:hover,
    .btn-submit:hover {
        transform: none;
    }
}

/* ----------------------------------------------------------
   24. RESPONSIVE FINE-TUNING
   ---------------------------------------------------------- */

/* Small phones */
@media (max-width: 374px) {
    .designer-container {
        padding: 1rem 0.75rem 3rem;
    }

    .step-title {
        font-size: 1.5rem;
    }

    .bifurcation-card {
        padding: 2rem 1.25rem;
        min-height: 200px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.75rem 1.5rem;
        font-size: 0.8125rem;
    }

    .designer-nav {
        flex-direction: column;
    }

    .designer-nav .btn-primary,
    .designer-nav .btn-secondary {
        width: 100%;
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
    .designer-container {
        max-width: 720px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .designer-container {
        max-width: 960px;
    }

    .designer-progress {
        top: 1.5rem;
        padding: 1.25rem 2.5rem;
    }

    .bifurcation-card {
        padding: 3rem 2.5rem;
        min-height: 280px;
    }

    .upload-zone {
        padding: 4rem 3rem;
    }

    .summary-section {
        padding: 2rem 2.5rem;
    }
}

/* Print */
@media print {
    .designer-progress,
    .designer-nav,
    .upload-zone,
    .btn-primary,
    .btn-secondary,
    .btn-submit {
        display: none !important;
    }

    .designer-step {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .summary-section {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}