/* ================================================================
 *  collections.css — User Collections page
 * ================================================================ */

/* ──────────────────────────────────────────────────────────────────
 *  Page shell
 * ────────────────────────────────────────────────────────────────── */
.ii-collections-page {
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px;
}

@supports (-moz-appearance: none) {
    .ii-collections-page {
        scrollbar-width: thin;
        scrollbar-color: var(--ii-border, #e5e7eb) transparent;
    }
}

.ii-collections-page::-webkit-scrollbar {
    width: 5px;
}

.ii-collections-page::-webkit-scrollbar-track {
    background: transparent;
}

.ii-collections-page::-webkit-scrollbar-thumb {
    background: var(--ii-border, #e5e7eb);
    border-radius: 3px;
}

/* ──────────────────────────────────────────────────────────────────
 *  Grid — 4 columns, drops to 3 then 2 on narrower viewports
 * ────────────────────────────────────────────────────────────────── */
.ii-collections-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

/* ──────────────────────────────────────────────────────────────────
 *  Card base (square via aspect-ratio)
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-card {
    aspect-ratio: 1 / 1;
    border-radius: var(--ii-radius-md, 12px);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: var(--ii-bg-tertiary, #f3f4f6);
    border: 1px solid var(--ii-border, #e5e7eb);
    transition: box-shadow 220ms ease, transform 220ms ease;
    display: block;
    text-decoration: none;
    color: inherit;
}

.ii-coll-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
    transform: translateY(-2px);
}

.ii-coll-card-inner {
    width: 100%;
    height: 100%;
    position: relative;
}

/* ──────────────────────────────────────────────────────────────────
 *  2×2 collage
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-card-collage {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2px;
    background: var(--ii-border, #e5e7eb);
}

.ii-coll-collage-cell {
    overflow: hidden;
    position: relative;
    background: var(--ii-bg-tertiary, #f3f4f6);
}

.ii-coll-collage-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: filter 220ms ease, transform 220ms ease;
}

.ii-coll-card:hover .ii-coll-collage-img {
    filter: blur(2px) brightness(0.72);
    transform: scale(1.05);
}

.ii-coll-collage-cell--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ii-text-tertiary, #9ca3af);
    opacity: 0.45;
}

/* ──────────────────────────────────────────────────────────────────
 *  Hover overlay
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 220ms ease, visibility 220ms ease;
    padding: 12px;
}

.ii-coll-card:hover .ii-coll-card-overlay {
    opacity: 1;
    visibility: visible;
}

/* ──────────────────────────────────────────────────────────────────
 *  Action buttons
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--ii-font-body, Inter, sans-serif);
    cursor: pointer;
    transition: background 160ms ease, opacity 160ms ease, transform 100ms ease;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.2;
    width: 100%;
    max-width: 160px;
    border: none;
    outline: none;
}

.ii-coll-btn:active {
    transform: scale(0.97);
}

.ii-coll-btn svg {
    flex-shrink: 0;
    pointer-events: none;
}

.ii-coll-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.ii-coll-btn--primary {
    background: var(--ii-accent, #2563eb);
    color: #ffffff;
}

.ii-coll-btn--primary:hover {
    background: var(--ii-accent-hover, #1d4ed8);
}

.ii-coll-btn--primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.ii-coll-btn--secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.ii-coll-btn--secondary:hover {
    background: rgba(255, 255, 255, 0.26);
}

/* Spinner inside Create Workspace button while loading */
.ii-coll-btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: iiCollBtnSpin 0.65s linear infinite;
}

@keyframes iiCollBtnSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ──────────────────────────────────────────────────────────────────
 *  Card footer (name + count)
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-card-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px 10px 8px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.62) 0%, transparent 100%);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.ii-coll-card-name {
    font-size: 12px;
    font-weight: 600;
    color: #ffffff;
    font-family: var(--ii-font-body, Inter, sans-serif);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.ii-coll-card-count {
    font-size: 10px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.72);
    font-family: var(--ii-font-body, Inter, sans-serif);
    display: block;
    line-height: 1.2;
}

/* ──────────────────────────────────────────────────────────────────
 *  "Create Collection" card — styled empty-state block
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-card--create {
    border: 1.5px dashed var(--ii-border, #e5e7eb);
    background: var(--ii-bg-secondary, #f9fafb);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    transition: background 200ms ease, border-color 200ms ease,
        box-shadow 200ms ease, transform 200ms ease;
}

.ii-coll-card--create:hover {
    background: var(--ii-accent-dim, rgba(37, 99, 235, 0.06));
    border-color: var(--ii-accent, #2563eb);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.ii-coll-card-create-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 10px;
    padding: 20px 16px;
    text-align: center;
}

/* Icon bubble */
.ii-coll-create-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--ii-accent-dim, rgba(37, 99, 235, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ii-accent, #2563eb);
    flex-shrink: 0;
    transition: background 200ms ease, color 200ms ease;
    margin-bottom: 2px;
}

.ii-coll-card--create:hover .ii-coll-create-icon {
    background: var(--ii-accent, #2563eb);
    color: #ffffff;
}

/* Description */
.ii-coll-create-desc {
    font-size: 11px;
    font-weight: 400;
    color: var(--ii-text-secondary, #4b5563);
    font-family: var(--ii-font-body, Inter, sans-serif);
    line-height: 1.5;
    margin: 0;
    padding: 0;
}

/* CTA pill */
.ii-coll-create-cta {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: var(--ii-radius-rounded);
    background: var(--ii-accent, #2563eb);
    color: #ffffff !important;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--ii-font-body, Inter, sans-serif);
    line-height: 1.4;
    transition: background 160ms ease;
    white-space: nowrap;
    margin-top: 2px;
}

.ii-coll-card--create:hover .ii-coll-create-cta {
    background: var(--ii-accent-hover, #1d4ed8);
}

/* ──────────────────────────────────────────────────────────────────
 *  Skeleton cards (shown while collections load)
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-skeleton-card {
    aspect-ratio: 1 / 1;
    border-radius: var(--ii-radius-md, 12px);
    background: linear-gradient(90deg,
            var(--ii-bg-secondary, #f3f4f6) 25%,
            var(--ii-bg-hover, #e5e7eb) 50%,
            var(--ii-bg-secondary, #f3f4f6) 75%);
    background-size: 200% 100%;
    animation: iiSkeletonShimmer 1.8s infinite linear;
}

/* ──────────────────────────────────────────────────────────────────
 *  Loading state (spinner fallback — kept for programmatic reuse)
 * ────────────────────────────────────────────────────────────────── */
.ii-collections-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 60px 20px;
    color: var(--ii-text-tertiary, #9ca3af);
    font-size: 13px;
    font-family: var(--ii-font-body, Inter, sans-serif);
}

.ii-coll-spinner {
    width: 28px;
    height: 28px;
    border: 2.5px solid var(--ii-border, #e5e7eb);
    border-top-color: var(--ii-accent, #2563eb);
    border-radius: 50%;
    animation: iiCollBtnSpin 0.7s linear infinite;
}

/* ──────────────────────────────────────────────────────────────────
 *  Attached Workspaces — Popper items
 * ────────────────────────────────────────────────────────────────── */
.ii-popper-menu-item.ii-popper-item--muted {
    color: var(--ii-text-tertiary, #9ca3af);
    cursor: default;
    pointer-events: none;
    font-style: italic;
}

.ii-coll-ws-thumb {
    width: 28px;
    height: 28px;
    border-radius: 5px;
    object-fit: cover;
    flex-shrink: 0;
}

/* ──────────────────────────────────────────────────────────────────
 *  Card active state — keeps overlay visible while Popper is open
 * ────────────────────────────────────────────────────────────────── */
.ii-coll-card.is-popper-open {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
    transform: translateY(-2px);
}

.ii-coll-card.is-popper-open .ii-coll-card-overlay {
    opacity: 1;
    visibility: visible;
}

.ii-coll-card.is-popper-open .ii-coll-collage-img {
    filter: blur(2px) brightness(0.72);
    transform: scale(1.05);
}

/* ──────────────────────────────────────────────────────────────────
 *  Responsive
 * ────────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .ii-collections-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .ii-collections-page {
        padding: 16px;
    }

    .ii-collections-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

@media (max-width: 560px) {
    .ii-collections-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}