/**
 * Silenthought — Promotional Item Calculator (FP-001)
 * Uses CSS variables from style.css.
 *
 * @package Silenthought
 */

/* ── Wrapper ──────────────────────────────────────────────────────────────── */
.pi-calculator {
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    padding: 24px;
    margin: 24px 0;
    background: #fff;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.pi-calc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    font-family: var(--font-display), 'Poppins', sans-serif;
}

.pi-calc-badge {
    margin-left: auto;
    background: var(--red);
    color: #fff;
    font-size: 10px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.4px;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

/* ── Field groups ─────────────────────────────────────────────────────────── */
.pi-field-group {
    margin-bottom: 20px;
}

.pi-label {
    display: block;
    font-family: var(--font-display), 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 11px;
    color: var(--gray-700);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

/* ── Select (Type of Product) ─────────────────────────────────────────────── */
.pi-select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font-body), 'DM Sans', sans-serif;
    color: var(--gray-900);
    background: #fff;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
    transition: border-color 0.2s;
}

.pi-select:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(235, 31, 58, 0.1);
}

/* ── Option button groups ─────────────────────────────────────────────────── */
.pi-btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pi-btn-group--4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.pi-opt-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 10px 8px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    flex: 1;
    min-width: 70px;
    box-shadow: var(--shadow-sm);
    user-select: none;
}

.pi-opt-btn:hover {
    border-color: var(--gray-700);
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pi-opt-btn--selected {
    background: var(--red) !important;
    border-color: var(--red) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(235, 31, 58, 0.35) !important;
    transform: translateY(-2px);
}

.pi-opt-title {
    font-family: var(--font-display), 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 13px;
    line-height: 1.2;
}

.pi-opt-sub {
    font-family: var(--font-body), 'DM Sans', sans-serif;
    font-size: 10px;
    opacity: 0.65;
    line-height: 1.3;
}

.pi-opt-btn--selected .pi-opt-sub {
    opacity: 0.85;
}

/* ── Quantity spinner (− qty +) ───────────────────────────────────────────── */
.pi-qty-spinner {
    display: flex;
    align-items: center;
    width: fit-content;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.pi-qty-btn {
    background: var(--gray-100);
    border: none;
    padding: 11px 18px;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    color: var(--gray-700);
    font-family: var(--font-body), 'DM Sans', sans-serif;
    transition: background 0.15s, color 0.15s;
    user-select: none;
    flex-shrink: 0;
}

.pi-qty-btn:hover {
    background: var(--black);
    color: #fff;
}

.pi-qty-btn:active {
    background: var(--gray-700);
    color: #fff;
}

.pi-qty-spinner input[type="number"] {
    width: 90px;
    border: none;
    border-left: 1.5px solid var(--gray-300);
    border-right: 1.5px solid var(--gray-300);
    padding: 11px 8px;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    font-family: var(--font-body), 'DM Sans', sans-serif;
    background: #fff;
    -moz-appearance: textfield;
}

.pi-qty-spinner input[type="number"]::-webkit-outer-spin-button,
.pi-qty-spinner input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.pi-qty-spinner input[type="number"]:focus {
    outline: none;
}

.pi-hint {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--gray-500);
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

/* ── Price Breakdown ──────────────────────────────────────────────────────── */
.pi-breakdown {
    background: linear-gradient(135deg, #fff5f5 0%, #fff1f2 100%);
    border: 1.5px solid rgba(235, 31, 58, 0.2);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin: 16px 0;
}

.pi-bd-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    border-bottom: 1px dashed rgba(235, 31, 58, 0.15);
    font-size: 13px;
    color: var(--gray-500);
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

.pi-bd-row:last-of-type {
    border-bottom: none;
}

.pi-bd-row strong {
    color: var(--gray-900);
    font-weight: 600;
}

/* Order type badges */
.pi-badge--small {
    background: #dcfce7;
    color: #166534;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

.pi-badge--bulk {
    background: #dbeafe;
    color: #1e40af;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

/* Bonus pieces row */
.pi-bd-bonus {
    color: #16a34a !important;
    font-weight: 600 !important;
}

.pi-bd-bonus-row {
    color: #16a34a;
}

.pi-bd-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 2px solid rgba(235, 31, 58, 0.25);
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    font-family: var(--font-display), 'Poppins', sans-serif;
}

.pi-bd-total strong {
    font-size: 20px;
    color: var(--red);
}

/* ── Error ────────────────────────────────────────────────────────────────── */
.pi-error {
    background: #fef2f2;
    border: 1.5px solid #fecaca;
    border-radius: var(--radius-sm);
    color: #dc2626;
    padding: 10px 14px;
    font-size: 13px;
    margin: 10px 0;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

/* ── Loading ──────────────────────────────────────────────────────────────── */
.pi-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-500);
    font-size: 13px;
    padding: 8px 0;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

.pi-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--red);
    border-radius: 50%;
    animation: pi-spin 0.6s linear infinite;
    flex-shrink: 0;
}

@keyframes pi-spin {
    to { transform: rotate(360deg); }
}

/* ── Add to Cart button ───────────────────────────────────────────────────── */
.pi-add-to-cart-btn {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--red);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    font-family: var(--font-display), 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.3px;
}

.pi-add-to-cart-btn:hover:not(:disabled) {
    background: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(235, 31, 58, 0.4);
}

.pi-add-to-cart-btn:disabled {
    cursor: not-allowed;
    background: var(--gray-300);
}

/* ── Pricing reference table ──────────────────────────────────────────────── */
.pi-price-reference {
    margin-top: 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.pi-price-reference summary {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--gray-500);
    background: var(--gray-50);
    user-select: none;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

.pi-price-reference summary:hover {
    background: var(--gray-100);
}

.pi-price-note {
    font-size: 12px;
    color: var(--gray-500);
    padding: 10px 14px 4px;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

.pi-price-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

.pi-price-table th,
.pi-price-table td {
    border: 1px solid var(--gray-100);
    padding: 7px 10px;
    text-align: center;
}

.pi-price-table thead th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-family: var(--font-display), 'Poppins', sans-serif;
    font-size: 11px;
}

.pi-price-table tbody tr:nth-child(even) {
    background: #fafafa;
}

.pi-bulk-header td {
    background: var(--gray-100) !important;
    font-weight: 600;
    color: var(--gray-700);
    font-family: var(--font-display), 'Poppins', sans-serif;
    text-align: center;
}

.pi-price-footnote {
    font-size: 11px;
    color: var(--gray-500);
    padding: 8px 14px 12px;
    font-family: var(--font-body), 'DM Sans', sans-serif;
}

/* ── Design section (reuses st-design-* classes from main.css) ───────────── */
/* Scope overrides so they only apply inside the PI calculator. */
.pi-calculator .st-design-options {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.pi-calculator .st-design-option {
    flex: 1;
    cursor: pointer;
}

/* Hide the native radio — the card is the visual element. */
.pi-calculator .st-design-option input[type="radio"] {
    display: none;
}

.pi-calculator .st-option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: #fff;
    text-align: center;
    transition: all 0.2s ease;
    user-select: none;
}

.pi-calculator .st-design-option:hover .st-option-content {
    border-color: var(--black);
    background: var(--black);
    color: #fff;
}

.pi-calculator .st-design-option input[type="radio"]:checked + .st-option-content {
    border-color: var(--black);
    background: var(--black);
    color: #fff;
}

.pi-calculator .st-option-icon { font-size: 22px; }

.pi-calculator .st-option-content h4 {
    font-size: 13px;
    font-weight: 700;
    font-family: var(--font-display), 'Poppins', sans-serif;
    margin: 0;
}

.pi-calculator .st-option-content p {
    font-size: 11px;
    opacity: 0.7;
    font-family: var(--font-body), 'DM Sans', sans-serif;
    margin: 0;
}

.pi-calculator .st-design-option:hover .st-option-content p,
.pi-calculator .st-design-option input[type="radio"]:checked + .st-option-content p {
    opacity: 0.75;
    color: #fff;
}

/* ── Design option cards (Canva / Upload) — scoped to PI calculator ─────── */
.pi-design-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 10px;
}

.pi-design-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 12px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--gray-50);
    text-align: center;
}

.pi-design-option:hover {
    border-color: var(--color-primary, #e00);
}

.pi-design-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.pi-design-option:has(input:checked) {
    border-color: var(--color-primary, #e00);
    background: #fff5f5;
}

.pi-option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.pi-option-icon {
    font-size: 22px;
    margin-bottom: 4px;
}

.pi-design-option h4 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-900);
    font-family: var(--font-display), 'Poppins', sans-serif;
}

.pi-design-option p {
    margin: 0;
    font-size: 11px;
    color: var(--gray-500);
}

/* Upload drop zone — scoped to PI calculator. */
.pi-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--gray-50);
}

.pi-upload-area:hover {
    border-color: var(--red);
    background: #fff5f5;
}

.pi-upload-area .st-upload-icon { font-size: 24px; margin-bottom: 6px; }
.pi-upload-area .st-upload-text { font-size: 13px; color: var(--gray-700); margin: 0; }
.pi-upload-area .st-upload-hint { font-size: 11px; color: var(--gray-500); margin: 4px 0 0; }

/* Hide the raw file input — the label button handles the click. */
#pi-design-file {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
}

.pi-file-label {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 16px;
    border: 1.5px solid var(--red);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--red);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.pi-file-label:hover {
    background: var(--red);
    color: #fff;
}

/* Upload progress bar. */
.pi-upload-progress {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: 4px;
    margin: 10px 0 4px;
    overflow: hidden;
}

.pi-upload-bar {
    height: 100%;
    width: 0%;
    background: var(--red);
    border-radius: 4px;
    transition: width 0.2s;
}

.pi-upload-filename {
    font-size: 11px;
    color: var(--gray-600);
    margin: 4px 0 0;
    word-break: break-all;
}

.pi-upload-area--dragover {
    border-color: var(--red);
    background: #fff5f5;
}

.pi-upload-area--required {
    border-color: var(--red);
    animation: pi-shake 0.3s ease;
}

/* ── Canva link input ─────────────────────────────────────────────────────── */
.pi-canva-link-wrap {
    margin-top: 12px;
}

.pi-canva-link-input {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.15s;
}

.pi-canva-link-input:focus {
    outline: none;
    border-color: var(--red);
}

.pi-canva-link-input--required {
    border-color: var(--red);
    animation: pi-shake 0.3s ease;
}

.pi-canva-link-hint {
    font-size: 12px;
    color: #888;
    margin: 6px 0 0;
}

@keyframes pi-shake {
    0%, 100% { transform: translateX(0); }
    25%       { transform: translateX(-6px); }
    75%       { transform: translateX(6px); }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .pi-btn-group--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .pi-btn-group--4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .pi-btn-group {
        gap: 6px;
    }
    .pi-calc-header {
        font-size: 14px;
    }
    .pi-calculator {
        padding: 16px;
    }
}