/* =====================================================
   Custom Mousepad Designer — Frontend UI v5.0
   Global Color Management Engine (PRD v5.0)

   SINGLE SOURCE OF TRUTH: All interactive colors flow
   from  --mcp-primary  injected by wp_enqueue_scripts.
   Zero hardcoded hex on any interactive element.
   ===================================================== */

/* ── CSS Variable defaults (fallback if wp_head absent) */
:root {
    --mcp-primary: #4f46e5;
    /* canonical brand color    */
    --mcp-primary-hover: #3730a3;
    /* darker shade for hover   */
    --mcp-primary-rgb: 79, 70, 229;
    /* for rgba() usage        */
    --mcp-border-radius: 8px;
    --mcp-border-radius-lg: calc(var(--mcp-border-radius) * 1.75);
    --mcp-border-radius-pill: 999px;
    --mcp-canvas-bg: #f8fafc;
    --mcp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Computed alpha variants — derived from the primary so they
       always stay in sync without any JS required.             */
    --mcp-primary-light: color-mix(in srgb, var(--mcp-primary) 10%, transparent);
    --mcp-primary-mid: color-mix(in srgb, var(--mcp-primary) 20%, transparent);
    --mcp-primary-shadow: color-mix(in srgb, var(--mcp-primary) 35%, transparent);
}

/* ── Container & Layout ─────────────────────────────── */
.cmd-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    font-family: var(--mcp-font);
    background: #fafafa;
    padding: 20px;
    border-radius: var(--mcp-border-radius-lg);
}

.cmd-preview-section {
    flex: 1 1 50%;
    min-width: 300px;
    background: #f3f4f6;
    border-radius: var(--mcp-border-radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

.cmd-controls-section {
    flex: 1 1 40%;
    min-width: 300px;
    background: #fff;
    padding: 30px;
    border-radius: var(--mcp-border-radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* ── Preview Canvas ──────────────────────────────────── */
.cmd-canvas-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 280px;
    background: #e2e8f0;
    border-radius: var(--mcp-border-radius-lg);
    padding: 20px;
}

.cmd-canvas-container {
    background: #1e293b;
    border-radius: var(--mcp-border-radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    border: 4px solid #000000;
    transition: aspect-ratio 0.4s ease, border-color 0.3s ease;
    width: 100%;
    max-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.cmd-canvas-placeholder {
    text-align: center;
    color: #94a3b8;
    background: var(--mcp-canvas-bg);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.cmd-canvas-placeholder svg {
    margin-bottom: 10px;
    opacity: 0.4;
    color: var(--mcp-primary);
}

.cmd-canvas-placeholder p {
    margin: 0 0 4px;
    font-weight: 700;
    font-size: 14px;
    color: #475569;
}

.cmd-canvas-placeholder span {
    font-size: 12px;
    opacity: 0.7;
}

/* ── Controls Typography & Steps ─────────────────────── */
.cmd-step {
    margin-bottom: 22px;
}

.cmd-step h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cmd-step h4::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 14px;
    background: var(--mcp-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────
   EPIC 1 — Primary Action Buttons
   background-color, border-color → var(--mcp-primary)
   ───────────────────────────────────────────────────── */

/* Upload / Choose Image button */
.cmd-uiverse-upload {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px;
    background: var(--mcp-primary-light);
    border: 2px dashed var(--mcp-primary);
    /* ← var(--mcp-primary) */
    border-radius: var(--mcp-border-radius);
    color: var(--mcp-primary);
    /* ← var(--mcp-primary) */
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
    line-height: 1;
}

.cmd-uiverse-upload:hover {
    background: var(--mcp-primary-mid);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--mcp-primary-shadow);
}

.cmd-uiverse-upload:active {
    transform: translateY(0);
}

.cmd-uiverse-upload:focus-visible {
    outline: 3px solid var(--mcp-primary);
    outline-offset: 3px;
}

/* Legacy alias */
.cmd-upload-btn {
    border: 1.5px dashed var(--mcp-primary);
    background: var(--mcp-primary-light);
    color: var(--mcp-primary);
    padding: 12px;
    border-radius: var(--mcp-border-radius);
    text-align: center;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 500;
    transition: background 0.2s;
}

.cmd-upload-btn:hover {
    background: var(--mcp-primary-mid);
}

/* Buy Now button */
.cmd-uiverse-buy-btn {
    flex: 2;
    padding: 18px;
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    background: var(--mcp-primary);
    /* ← var(--mcp-primary) */
    border: none;
    border-radius: var(--mcp-border-radius);
    cursor: pointer;
    transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
    box-shadow: 0 4px 15px var(--mcp-primary-shadow);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.cmd-uiverse-buy-btn:hover {
    background: var(--mcp-primary-hover);
    /* ← var(--mcp-primary-hover) */
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--mcp-primary-shadow);
}

.cmd-uiverse-buy-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px var(--mcp-primary-shadow);
}

.cmd-uiverse-buy-btn:focus-visible {
    outline: 3px solid var(--mcp-primary);
    outline-offset: 3px;
}



/* Legacy buy btn alias */
.cmd-buy-btn {
    width: 100%;
    background: var(--mcp-primary);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: var(--mcp-border-radius);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background 0.2s, transform 0.2s;
}

.cmd-buy-btn:hover {
    background: var(--mcp-primary-hover);
}

.cmd-note {
    font-size: 11px;
    color: #6b7280;
    margin-top: 8px;
}

/* ─────────────────────────────────────────────────────
   EPIC 1 — Active Selection Cards (Size, Thickness)
   border, box-shadow, color → var(--mcp-primary)
   ───────────────────────────────────────────────────── */
.cmd-grid {
    display: grid;
    gap: 10px;
}

.cmd-size-grid {
    grid-template-columns: repeat(2, 1fr);
}

.cmd-thickness-grid {
    grid-template-columns: repeat(3, 1fr);
}

.cmd-box {
    border: 1.5px solid #e5e7eb;
    padding: 12px;
    border-radius: var(--mcp-border-radius);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.cmd-box strong {
    font-size: 14px;
    color: #111827;
    transition: color 0.2s;
}

.cmd-box span {
    font-size: 11px;
    color: #6b7280;
    margin-top: 4px;
    transition: color 0.2s;
}

.cmd-box:hover {
    border-color: var(--mcp-primary);
    box-shadow: 0 0 0 3px var(--mcp-primary-light);
}

/* Active card — border + box-shadow + color → var(--mcp-primary) */
.cmd-box.active {
    border: 2px solid var(--mcp-primary);
    background: var(--mcp-primary-light);
    box-shadow: 0 0 0 3px var(--mcp-primary-mid);
}

.cmd-box.active strong,
.cmd-box.active span {
    color: var(--mcp-primary);
}

.cmd-box:focus-visible {
    outline: 3px solid var(--mcp-primary);
    outline-offset: 2px;
}

/* ── Edge Stitching Color Swatches ──────────────────── */
.cmd-color-grid {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.mcp-color-swatch {
    position: relative;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
    display: block;
    border: 2px solid rgba(255, 255, 255, 0.4);
    outline: none;
    padding: 0;
}

.mcp-color-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.mcp-color-swatch.active {
    outline: 3px solid var(--mcp-primary);
    outline-offset: 3px;
}


/* ─────────────────────────────────────────────────────
   EPIC 2 — Premium Custom Color Picker (PRD v5.0 §3)
   <label> swatch with conic-gradient + hidden input.
   Background of swatch updates to chosen color via JS.
   ───────────────────────────────────────────────────── */
.mcp-custom-color-swatch {
    position: relative;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    /* Perfectly seamless color wheel gradient */
    background: conic-gradient(from 90deg,
            #ff0000 0%,
            #ff8000 8.3%,
            #ffff00 16.6%,
            #80ff00 25%,
            #00ff00 33.3%,
            #00ff80 41.6%,
            #00ffff 50%,
            #0080ff 58.3%,
            #0000ff 66.6%,
            #8000ff 75%,
            #ff00ff 83.3%,
            #ff0080 91.6%,
            #ff0000 100%);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15), inset 0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
    overflow: hidden;
    display: block;
    border: 2px solid #ffffff;
    /* Anti-aliasing to eliminate jagged edges/pixelated artifacts */
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    mask-image: radial-gradient(white, black);
    transform: translateZ(0);
}

.mcp-custom-color-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.mcp-custom-color-swatch.active {
    outline: 3px solid var(--mcp-primary);
    outline-offset: 3px;
}

/* Hidden native <input type="color"> — oversized & transparent
   so the entire swatch area is the clickable trigger.          */
.mcp-custom-color-swatch input[type="color"] {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    opacity: 0;
    cursor: pointer;
    border: none;
    padding: 0;
}

/* Small hex code label shown beneath swatch after selection */
.mcp-custom-color-label {
    font-size: 9px;
    font-weight: 700;
    color: #475569;
    text-align: center;
    letter-spacing: 0.3px;
    margin-top: 3px;
    line-height: 1;
    display: none;
    width: 35px;
}

/* Backward-compat: keep old .cmd-custom-color-wrapper working
   in case any theme CSS references it                          */
.cmd-custom-color-wrapper {
    position: relative;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    flex-shrink: 0;
}

.cmd-custom-color-wrapper input[type="color"] {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    opacity: 0;
    cursor: pointer;
}

/* ─────────────────────────────────────────────────────
   EPIC 1 — Adjustment Sliders
   Slider thumb background → var(--mcp-primary)
   Cross-browser: WebKit + Firefox + standard
   ───────────────────────────────────────────────────── */
.cmd-photo-adjustment {
    margin-top: 20px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--mcp-border-radius-lg);
    padding: 20px;
}

.cmd-adjustment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    color: #0f172a;
    font-weight: 700;
    font-size: 13px;
}

.cmd-sliders {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 30px;
}

.cmd-slider-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Track — both directions */
.cmd-slider-group input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: #e2e8f0;
    border-radius: 4px;
    cursor: pointer;
    outline: none;
    accent-color: var(--mcp-primary);
    /* modern browsers */
}

/* WebKit thumb → background: var(--mcp-primary) */
.cmd-slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--mcp-primary);
    /* ← var(--mcp-primary) */
    border: 2.5px solid #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}

.cmd-slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: var(--mcp-primary-hover);
    /* ← var(--mcp-primary-hover) */
}

/* Firefox thumb */
.cmd-slider-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--mcp-primary);
    /* ← var(--mcp-primary) */
    border: 2.5px solid #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: background 0.2s;
}

/* Firefox track fill */
.cmd-slider-group input[type="range"]::-moz-range-progress {
    background: var(--mcp-primary);
    border-radius: 4px;
    height: 4px;
}

/* Focus outline */
.cmd-slider-group input[type="range"]:focus-visible {
    outline: 3px solid var(--mcp-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

#cmd-reset-layout {
    width: 100%;
    margin-top: 16px;
    padding: 10px;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--mcp-border-radius);
    font-weight: 600;
    font-size: 13px;
    color: #0f172a;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

#cmd-reset-layout:hover {
    background: #f1f5f9;
    border-color: var(--mcp-primary);
}

/* ── Image Controls (Fit / Center Buttons) ──────────── */
.cmd-image-controls {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.cmd-ctrl-btn {
    background: var(--mcp-primary);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--mcp-border-radius-pill);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 3px 8px var(--mcp-primary-shadow);
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cmd-ctrl-btn:hover {
    background: var(--mcp-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 14px var(--mcp-primary-shadow);
}

.cmd-ctrl-btn.active-fit {
    background: #1e293b;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
}

/* ── Footer & Price Summary ──────────────────────────── */
.cmd-footer {
    border-top: 1px solid #e5e7eb;
    padding-top: 20px;
    margin-top: 10px;
}

.cmd-summary-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

#cmd-summary-text {
    font-size: 13px;
    color: #4b5563;
    font-weight: 500;
}

#cmd-total-price {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
}

/* ── Safe Print Area Overlay ────────────────────────── */
#cmd-safe-area {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
}

.cmd-safe-border {
    position: absolute;
    top: 4%;
    left: 2%;
    right: 2%;
    bottom: 4%;
    border: 2px dashed rgba(255, 68, 68, 0.9);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
    border-radius: var(--mcp-border-radius);
}

.cmd-safe-text {
    position: absolute;
    top: 6%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 11;
    white-space: nowrap;
}

/* ── Quality Status ──────────────────────────────────── */
#cmd-quality-status {
    margin-top: 10px;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
}

/* ── SVG spinner (buy-now loading state) ─────────────── */
@keyframes mcp-spin {
    to {
        transform: rotate(360deg);
    }
}

.cmd-spinner-svg {
    animation: mcp-spin 0.75s linear infinite;
    display: inline-block;
    vertical-align: middle;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {

    .cmd-size-grid,
    .cmd-thickness-grid {
        grid-template-columns: 1fr;
    }

    .cmd-preview-section {
        padding: 20px;
    }

    .cmd-sliders {
        grid-template-columns: 1fr;
    }

    .cmd-canvas-wrapper {
        min-height: 180px;
        padding: 12px;
    }
}