/* ================================================================
 *  compare.css  —  Image Comparison Feature
 *
 *  Sections:
 *   1. Comparison Trigger Button (action bar)
 *   2. Creations Panel — Compare-Select Mode
 *      2a. Cancel Bar
 *      2b. Source Card (disabled)
 *      2c. Candidate Cards (selectable)
 *   3. Comparison Modal / Fullscreen
 *   4. Before–After Slider Core
 *   5. Labels & Metadata
 *   6. Controls Bar
 *   7. Animations & Motion
 *   8. Dark Theme Overrides
 *   9. Responsive
 * ================================================================ */

/* ──────────────────────────────────────────────────────────────────
 *  3. Comparison Modal / Backdrop
 * ────────────────────────────────────────────────────────────────── */

.ii-compare-backdrop {
    position: fixed;
    inset: 0;
    z-index: 9995;
    background: rgba(6, 6, 10, 0.92);
    backdrop-filter: blur(16px) saturate(0.8);
    -webkit-backdrop-filter: blur(16px) saturate(0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.35s ease;
    overscroll-behavior: none;
}

.ii-compare-backdrop.is-open {
    opacity: 1;
}

.ii-compare-modal {
    position: relative;
    width: 100%;
    max-width: 1280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transform: scale(0.94) translateY(16px);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ii-compare-backdrop.is-open .ii-compare-modal {
    transform: scale(1) translateY(0);
}

/* ──────────────────────────────────────────────────────────────────
 *  4. Before–After Slider Core
 * ────────────────────────────────────────────────────────────────── */

.ii-compare-stage {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 16px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.07),
        0 32px 64px rgba(0, 0, 0, 0.6),
        0 8px 24px rgba(0, 0, 0, 0.4);
    user-select: none;
    touch-action: pan-y pinch-zoom;
    max-height: calc(100svh - 200px);
    background: #0c0c12;
    animation: iiCompareStageIn 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) both;
    min-height: 260px;
}

.ii-compare-stage.has-loaded {
    min-height: 0;
}

@keyframes iiCompareStageIn {
    from {
        opacity: 0;
        transform: scale(0.97);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.ii-compare-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    pointer-events: none;
    will-change: clip-path;
}

.ii-compare-img-before {
    z-index: 1;
}

.ii-compare-img-after {
    z-index: 2;
    clip-path: inset(0 0 0 50%);
    transition: clip-path 0s;
}

/* Skeleton while images load */
.ii-compare-img-placeholder {
    position: absolute;
    inset: 0;
    z-index: 10;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
}

.ii-compare-img-placeholder::before,
.ii-compare-img-placeholder::after {
    content: '';
    flex: 1;
    background: linear-gradient(90deg,
            var(--ii-bg-secondary, #f3f4f6) 25%,
            var(--ii-bg-hover, #e5e7eb) 50%,
            var(--ii-bg-secondary, #f3f4f6) 75%);
    background-size: 400% 100%;
    animation: iiSkeletonShimmer 1.8s infinite linear;
}

.ii-compare-img-placeholder::after {
    animation-delay: 0.15s;
}

.ii-compare-img-placeholder .ii-cph-divider {
    position: absolute;
    inset: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.12);
    z-index: 1;
}

.ii-compare-img-placeholder .ii-cph-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.08);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ii-compare-img-placeholder .ii-cph-handle svg {
    opacity: 0.25;
}

.ii-compare-img-placeholder .ii-cph-label {
    position: absolute;
    bottom: 18px;
    height: 22px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.08);
    z-index: 2;
}

.ii-compare-img-placeholder .ii-cph-label-before {
    left: 16px;
    width: 64px;
}

.ii-compare-img-placeholder .ii-cph-label-after {
    right: 16px;
    width: 64px;
}

/* Divider line */
.ii-compare-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg,
            transparent 0%,
            rgba(255, 255, 255, 0.95) 8%,
            rgba(255, 255, 255, 0.95) 92%,
            transparent 100%);
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
    will-change: left;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
}

/* Drag handle */
.ii-compare-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow:
        0 0 0 3px rgba(37, 99, 235, 0.25),
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 2px 8px rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 11;
    cursor: ew-resize;
    pointer-events: all;
    transition:
        box-shadow 0.2s ease,
        background 0.2s ease,
        transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: left, transform;
}

.ii-compare-handle:hover,
.ii-compare-stage.is-dragging .ii-compare-handle {
    box-shadow:
        0 0 0 4px rgba(37, 99, 235, 0.35),
        0 8px 28px rgba(0, 0, 0, 0.45);
    background: #f0f6ff;
    transform: translate(-50%, -50%) scale(1.08);
}

.ii-compare-handle-icon {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--ii-accent, #2563eb);
}

.ii-compare-handle-icon svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

/* Pulse ring on initial load (stops after first interaction) */
.ii-compare-handle::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid rgba(37, 99, 235, 0.4);
    animation: iiCompareHandlePulse 2s ease-out 0.8s 3;
    pointer-events: none;
}

.ii-compare-stage.is-dragging .ii-compare-handle::before,
.ii-compare-stage.has-interacted .ii-compare-handle::before {
    animation: none;
    display: none;
}

@keyframes iiCompareHandlePulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

/* Wide hit zone for easier grabbing */
.ii-compare-divider-hit {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 48px;
    transform: translateX(-50%);
    z-index: 9;
    cursor: ew-resize;
    will-change: left;
}

/* Smooth center animation */
.ii-compare-stage.is-animating-to-center .ii-compare-img-after,
.ii-compare-stage.is-animating-to-center .ii-compare-divider,
.ii-compare-stage.is-animating-to-center .ii-compare-handle,
.ii-compare-stage.is-animating-to-center .ii-compare-divider-hit,
.ii-compare-stage.is-animating-to-center .ii-compare-readout {
    transition:
        left 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
        clip-path 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
        transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ──────────────────────────────────────────────────────────────────
 *  5. Labels & Readout
 * ────────────────────────────────────────────────────────────────── */

.ii-compare-label {
    position: absolute;
    top: 14px;
    z-index: 8;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px 5px 8px;
    border-radius: var(--ii-radius-rounded);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    pointer-events: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-family: var(--ii-font-body, Inter, sans-serif);
    white-space: nowrap;
    max-width: calc(50% - 60px);
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.2s ease;
}

.ii-compare-label-before {
    left: 14px;
    background: rgba(20, 20, 28, 0.78);
    color: rgba(255, 255, 255, 0.9);
}

.ii-compare-label-after {
    right: 14px;
    background: rgba(37, 99, 235, 0.82);
    color: #ffffff;
}

.ii-compare-label-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.ii-compare-label-before .ii-compare-label-dot {
    background: rgba(255, 255, 255, 0.6);
}

.ii-compare-label-after .ii-compare-label-dot {
    background: rgba(255, 255, 255, 0.9);
}

.ii-compare-stage.is-dragging .ii-compare-label {
    opacity: 0.4;
}

/* Percentage readout near handle bottom */
.ii-compare-readout {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 10, 16, 0.82);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 10px;
    z-index: 12;
    pointer-events: none;
    white-space: nowrap;
    font-family: 'SFMono-Regular', 'Consolas', monospace;
    will-change: left, transform;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.ii-compare-stage.is-dragging .ii-compare-readout,
.ii-compare-stage.show-readout .ii-compare-readout {
    opacity: 1;
}

/* ──────────────────────────────────────────────────────────────────
 *  6. Controls Bar
 * ────────────────────────────────────────────────────────────────── */

.ii-compare-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 12px;
    padding: 0 4px;
}

.ii-compare-controls-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.ii-compare-controls-center {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.ii-compare-controls-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Info pill */
.ii-compare-info-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 500;
    color: rgba(200, 200, 215, 0.85);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
    font-family: var(--ii-font-body, Inter, sans-serif);
}

.ii-compare-info-pill svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* Control buttons */
.ii-compare-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.07);
    color: rgba(220, 220, 235, 0.9);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease,
        transform 0.12s ease;
    font-family: var(--ii-font-body, Inter, sans-serif);
    white-space: nowrap;
    outline: none;
}

.ii-compare-btn:hover {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(255, 255, 255, 0.22);
    color: #ffffff;
}

.ii-compare-btn:active {
    transform: scale(0.95);
}

.ii-compare-btn:focus-visible {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.5);
}

.ii-compare-btn.is-icon-only {
    width: 36px;
    padding: 0;
}

.ii-compare-btn-swap svg {
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ii-compare-btn-swap:hover svg {
    transform: rotate(180deg);
}

.ii-compare-btn-reset {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.35);
    color: #90b8fd;
}

.ii-compare-btn-reset:hover {
    background: rgba(37, 99, 235, 0.25);
    border-color: rgba(37, 99, 235, 0.55);
    color: #c0d8ff;
}

.ii-compare-btn-close {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.25);
    color: rgba(248, 113, 113, 0.9);
}

.ii-compare-btn-close:hover {
    background: rgba(239, 68, 68, 0.22);
    border-color: rgba(239, 68, 68, 0.45);
    color: #fca5a5;
}

.ii-compare-pct-display {
    min-width: 44px;
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    color: rgba(200, 200, 215, 0.75);
    font-family: 'SFMono-Regular', 'Consolas', monospace;
    letter-spacing: 0.02em;
}

/* ──────────────────────────────────────────────────────────────────
 *  7. Reduced Motion
 * ────────────────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {

    .ii-compare-backdrop,
    .ii-compare-modal,
    .ii-compare-stage,
    .ii-compare-handle,
    .ii-compare-cancel-bar {
        transition: none !important;
        animation: none !important;
    }

    .ii-compare-handle::before {
        display: none;
    }

    @keyframes iiComparePulse {
        from {}

        to {}
    }

    @keyframes iiCompareHandlePulse {
        from {}

        to {}
    }

    @keyframes iiCompareCancelBarIn {
        from {}

        to {}
    }
}

/* ──────────────────────────────────────────────────────────────────
 *  8. Dark Theme
 * ────────────────────────────────────────────────────────────────── */

[data-theme="dark"] .ii-compare-backdrop {
    background: rgba(4, 4, 8, 0.95);
}

[data-theme="dark"] .ii-compare-img-placeholder::before,
[data-theme="dark"] .ii-compare-img-placeholder::after {
    background-image: linear-gradient(90deg,
            var(--ii-dk-shimmer-base, #18181e) 25%,
            var(--ii-dk-shimmer-peak, #1f1f26) 50%,
            var(--ii-dk-shimmer-base, #18181e) 75%);
}

[data-theme="dark"] .ii-compare-img-placeholder .ii-cph-divider {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .ii-compare-img-placeholder .ii-cph-handle {
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .ii-compare-img-placeholder .ii-cph-label {
    background: rgba(255, 255, 255, 0.06);
}

/* Cancel bar reads well on both themes since it uses accent blue */

/* ──────────────────────────────────────────────────────────────────
 *  9. Responsive
 * ────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .ii-compare-backdrop {
        padding: 12px;
    }

    .ii-compare-modal {
        gap: 12px;
    }

    .ii-compare-stage {
        max-height: calc(100svh - 160px);
        border-radius: 12px;
    }

    .ii-compare-handle {
        width: 40px;
        height: 40px;
    }

    .ii-compare-handle-icon svg {
        width: 16px;
        height: 16px;
    }

    /* Cancel bar: compress on small screens */
    .ii-compare-cancel-bar {
        padding: 8px 12px;
    }

    .ii-compare-cancel-bar-text {
        font-size: 12px;
    }

    .ii-compare-controls {
        flex-wrap: wrap;
        gap: 8px;
    }

    .ii-compare-controls-left {
        order: 2;
        flex: 1 1 100%;
    }

    .ii-compare-controls-center,
    .ii-compare-controls-right {
        order: 1;
        flex: 0 0 auto;
    }

    .ii-compare-controls-center {
        margin: 0 auto;
    }

    .ii-compare-info-pill span {
        display: none;
    }

    .ii-compare-info-pill {
        padding: 5px 8px;
        max-width: none;
    }

    .ii-compare-label {
        font-size: 10px;
        padding: 4px 8px 4px 6px;
    }

    /* Wider drag hit area on touch */
    .ii-compare-divider-hit {
        width: 64px;
    }
}

@media (max-width: 480px) {
    .ii-compare-btn .ii-compare-btn-text {
        display: none;
    }

    .ii-compare-btn:not(.is-icon-only) {
        width: 36px;
        padding: 0;
    }

    .ii-compare-cancel-bar-text {
        display: none;
        /* icon only on tiny screens */
    }
}