/**
 * Dribbble / Unsplash Modern Gallery Styles with Dynamic Colors & Mobile Polish for MM4I Education
 */

/* ==========================================================================
   CSS RESETS & THEME ISOLATION (Defeats theme-injected button borders)
   ========================================================================== */
.mm4i-gallery-app,
.mm4i-gallery-app * {
    box-sizing: border-box !important;
    -webkit-font-smoothing: antialiased;
}

.mm4i-gallery-app button,
.mm4i-gallery-app input,
.mm4i-gallery-app a {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    text-decoration: none !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
}

.mm4i-gallery-app {
    width: 100%;
    margin: 28px 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--mm4i-title-color, #0f172a);
}

/* ==========================================================================
   TOP CONTROLS BAR (Minimalist Pills & Search)
   ========================================================================== */
.mm4i-control-bar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .mm4i-control-bar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

/* Category Navigation (Horizontal Swipe on Mobile) */
.mm4i-category-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--mm4i-tab-bg, #f1f5f9);
    padding: 4px;
    border-radius: 9999px;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.mm4i-category-nav::-webkit-scrollbar {
    display: none;
}

.mm4i-nav-tab {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 7px 16px !important;
    font-size: 13.5px !important;
    font-weight: 500 !important;
    color: #64748b !important;
    background: transparent !important;
    border-radius: 9999px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    user-select: none;
    line-height: 1.4 !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
}

.mm4i-nav-tab:hover {
    color: #0f172a !important;
}

.mm4i-nav-tab.active {
    background: var(--mm4i-primary, #0f172a) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.2) !important;
}

.mm4i-tab-badge {
    display: inline-block;
    padding: 1px 6px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 9999px;
    background: rgba(0, 0, 0, 0.08);
    color: inherit;
}

.mm4i-nav-tab.active .mm4i-tab-badge {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* Right Tools (Search & View Toggle) */
.mm4i-tools-group {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

@media (min-width: 768px) {
    .mm4i-tools-group {
        width: auto;
    }
}

.mm4i-search-box {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

@media (min-width: 768px) {
    .mm4i-search-box {
        min-width: 260px;
        flex: unset;
    }
}

.mm4i-search-icon {
    position: absolute;
    left: 14px;
    color: #94a3b8;
    pointer-events: none;
}

.mm4i-search-input {
    width: 100% !important;
    padding: 9px 38px 9px 38px !important;
    font-size: 13.5px !important;
    color: #0f172a !important;
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 9999px !important;
    transition: all 0.2s ease !important;
    line-height: 1.4 !important;
}

.mm4i-search-input:focus {
    background: #ffffff !important;
    border-color: var(--mm4i-primary, #0f172a) !important;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08) !important;
}

/* Fixed Round Search Clear Button */
.mm4i-search-clear {
    position: absolute !important;
    right: 10px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    max-width: 20px !important;
    border-radius: 50% !important;
    background: #cbd5e1 !important;
    color: #475569 !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
    z-index: 5;
}

.mm4i-search-clear.is-visible {
    display: flex !important;
}

.mm4i-search-clear:hover {
    background: #94a3b8 !important;
    color: #ffffff !important;
}

.mm4i-search-clear svg {
    width: 10px;
    height: 10px;
}

.mm4i-view-toggle {
    display: inline-flex;
    background: #f1f5f9;
    padding: 3px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    flex-shrink: 0;
}

.mm4i-toggle-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 6px !important;
    background: transparent !important;
    color: #94a3b8 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    padding: 0 !important;
}

.mm4i-toggle-btn:hover {
    color: #0f172a !important;
}

.mm4i-toggle-btn.active {
    background: #ffffff !important;
    color: var(--mm4i-primary, #0f172a) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

/* ==========================================================================
   GALLERY CONTAINER & GRID VIEW (Dribbble/Unsplash Card Style)
   ========================================================================== */
.mm4i-view-grid .mm4i-gallery-container {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 20px;
}

@media (min-width: 540px) {
    .mm4i-view-grid .mm4i-gallery-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }
}

@media (min-width: 960px) {
    .mm4i-view-grid.mm4i-cols-3 .mm4i-gallery-container {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .mm4i-view-grid.mm4i-cols-4 .mm4i-gallery-container {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .mm4i-view-grid.mm4i-cols-2 .mm4i-gallery-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.mm4i-media-card {
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.mm4i-media-card.is-hidden {
    display: none !important;
}

/* Edge-to-Edge Visual Box for Images & Videos */
.mm4i-view-grid .mm4i-card-interactive {
    position: relative;
    width: 100%;
    padding-top: 66.66%; /* 3:2 Aspect Ratio */
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    background: #0f172a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mm4i-view-grid .mm4i-card-interactive:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

.mm4i-media-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.mm4i-media-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.mm4i-card-interactive:hover .mm4i-media-visual img {
    transform: scale(1.08);
}

.mm4i-visual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    background: #1e293b;
    color: #64748b;
}

/* Floating Chip for Video */
.mm4i-floating-chip {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 3;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #ffffff;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
    border-radius: 6px;
}

/* Centered Glowing Play Button (Video) */
.mm4i-play-center {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    z-index: 2;
    transition: background 0.25s ease;
}

.mm4i-card-interactive:hover .mm4i-play-center {
    background: rgba(0, 0, 0, 0.35);
}

.mm4i-play-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--mm4i-play-color, #ef4444);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 3px;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.5);
    transition: transform 0.25s ease, background 0.25s ease;
}

.mm4i-card-interactive:hover .mm4i-play-circle {
    transform: scale(1.12);
}

/* Bottom Caption Overlay */
.mm4i-caption-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 36px 16px 14px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    z-index: 4;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
}

.mm4i-caption-inner {
    flex: 1;
    min-width: 0;
}

.mm4i-caption-title {
    margin: 0 !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    line-height: 1.3 !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mm4i-caption-desc {
    margin: 4px 0 0 0 !important;
    font-size: 12px !important;
    color: rgba(255, 255, 255, 0.85) !important;
    line-height: 1.3 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mm4i-zoom-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: transform 0.2s ease, background 0.2s ease;
    flex-shrink: 0;
}

.mm4i-card-interactive:hover .mm4i-zoom-icon {
    background: rgba(255, 255, 255, 0.95);
    color: #0f172a;
    transform: scale(1.08);
}

.mm4i-view-grid .mm4i-list-row-info {
    display: none !important;
}

/* ==========================================================================
   DOCUMENT / FILE CARD (GRID)
   ========================================================================== */
.mm4i-view-grid .mm4i-doc-card-inner {
    background: var(--mm4i-card-bg, #ffffff);
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: 200px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.25s ease;
}

.mm4i-view-grid .mm4i-doc-card-inner:hover {
    transform: translateY(-5px);
    border-color: #cbd5e1;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
}

.mm4i-doc-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.mm4i-doc-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #0f172a;
}

.mm4i-doc-theme-pdf .mm4i-doc-badge { color: #ef4444; }
.mm4i-doc-theme-doc .mm4i-doc-badge,
.mm4i-doc-theme-docx .mm4i-doc-badge { color: #2563eb; }
.mm4i-doc-theme-xls .mm4i-doc-badge,
.mm4i-doc-theme-xlsx .mm4i-doc-badge { color: #10b981; }
.mm4i-doc-theme-zip .mm4i-doc-badge { color: #8b5cf6; }

.mm4i-doc-ext {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 6px;
    background: #f1f5f9;
    color: #334155;
}

.mm4i-doc-theme-pdf .mm4i-doc-ext { background: #fee2e2; color: #b91c1c; }
.mm4i-doc-theme-doc .mm4i-doc-ext,
.mm4i-doc-theme-docx .mm4i-doc-ext { background: #dbeafe; color: #1e40af; }
.mm4i-doc-theme-xls .mm4i-doc-ext,
.mm4i-doc-theme-xlsx .mm4i-doc-ext { background: #d1fae5; color: #065f46; }
.mm4i-doc-theme-zip .mm4i-doc-ext { background: #ede9fe; color: #5b21b6; }

.mm4i-doc-size {
    font-size: 11.5px;
    color: #94a3b8;
    font-weight: 500;
}

.mm4i-doc-middle {
    flex: 1;
    margin-bottom: 16px;
}

.mm4i-doc-title {
    margin: 0 0 6px 0 !important;
    font-size: 15.5px !important;
    font-weight: 600 !important;
    color: var(--mm4i-title-color, #0f172a) !important;
    line-height: 1.4 !important;
}

.mm4i-doc-desc {
    margin: 0 !important;
    font-size: 12.5px !important;
    color: #64748b !important;
    line-height: 1.4 !important;
}

.mm4i-doc-download-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    width: 100% !important;
    padding: 9px 16px !important;
    background: var(--mm4i-btn-bg, #0f172a) !important;
    color: #ffffff !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    transition: opacity 0.2s ease !important;
}

.mm4i-doc-download-btn:hover {
    opacity: 0.9 !important;
}

/* ==========================================================================
   LIST VIEW MODE
   ========================================================================== */
.mm4i-view-list .mm4i-gallery-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mm4i-view-list .mm4i-media-card {
    background: var(--mm4i-card-bg, #ffffff);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
}

.mm4i-view-list .mm4i-media-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateX(4px);
}

.mm4i-view-list .mm4i-card-interactive,
.mm4i-view-list .mm4i-doc-card-inner {
    display: none !important;
}

.mm4i-view-list .mm4i-list-row-info {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 16px;
}

.mm4i-list-main {
    flex: 1;
    min-width: 0;
}

.mm4i-list-tag {
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 7px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 4px;
}

.mm4i-tag-img { background: #eff6ff; color: #2563eb; }
.mm4i-tag-vid { background: #fef2f2; color: #dc2626; }
.mm4i-tag-doc { background: #ecfdf5; color: #059669; }

.mm4i-list-title {
    margin: 0 !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    color: var(--mm4i-title-color, #0f172a) !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mm4i-list-desc {
    margin: 2px 0 0 0 !important;
    font-size: 12.5px !important;
    color: #64748b !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mm4i-list-action-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 8px 18px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    background: var(--mm4i-btn-bg, #0f172a) !important;
    color: #ffffff !important;
    cursor: pointer !important;
    flex-shrink: 0;
    transition: opacity 0.2s ease !important;
}

.mm4i-list-action-btn:hover {
    opacity: 0.9 !important;
}

/* Mobile adjustments */
@media (max-width: 600px) {
    .mm4i-view-list .mm4i-list-row-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .mm4i-view-list .mm4i-list-action-btn {
        width: 100% !important;
        justify-content: center;
    }
}

/* ==========================================================================
   EMPTY STATE & PAGINATION
   ========================================================================== */
.mm4i-empty-state {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 50px 20px;
    background: #f8fafc;
    border: 2px dashed #cbd5e1;
    border-radius: 14px;
    margin: 20px 0;
}

.mm4i-empty-icon {
    font-size: 36px;
    margin-bottom: 8px;
}

.mm4i-empty-title {
    margin: 0 0 4px 0 !important;
    font-size: 16px !important;
    color: #0f172a !important;
}

.mm4i-empty-text {
    margin: 0 !important;
    font-size: 13px !important;
    color: #64748b !important;
}

.mm4i-pagination-wrapper {
    margin-top: 28px;
    display: flex;
    justify-content: center;
}

.mm4i-pagination-bar {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #ffffff;
    padding: 4px 8px;
    border-radius: 9999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
}

.mm4i-p-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 32px !important;
    height: 32px !important;
    padding: 0 8px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    color: #0f172a !important;
    background: transparent !important;
    border-radius: 9999px !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
}

.mm4i-p-btn:hover:not(:disabled) {
    background: #f1f5f9 !important;
}

.mm4i-p-btn.active {
    background: var(--mm4i-primary, #0f172a) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
}

.mm4i-p-btn:disabled {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
}

/* ==========================================================================
   CINEMA MODAL & LIGHTBOX
   ========================================================================== */
.mm4i-cinema-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.mm4i-cinema-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 26, 0.9);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.mm4i-cinema-dialog {
    position: relative;
    z-index: 2;
    max-width: 960px;
    width: 100%;
    background: #090d16;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    animation: mm4iPop 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes mm4iPop {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.mm4i-cinema-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    width: 34px;
    height: 34px;
    background: rgba(255, 255, 255, 0.18) !important;
    color: #ffffff !important;
    border-radius: 50% !important;
    font-size: 20px !important;
    line-height: 1 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.mm4i-cinema-close:hover {
    background: #ef4444 !important;
    transform: rotate(90deg);
}

.mm4i-cinema-viewport {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000000;
}

.mm4i-modal-img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.mm4i-video-embed-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
}

.mm4i-video-embed-wrap iframe,
.mm4i-video-embed-wrap video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.mm4i-cinema-footer {
    padding: 14px 20px;
    background: #0f172a;
}

.mm4i-cinema-title {
    font-size: 15px;
    font-weight: 600;
    color: #f8fafc;
}

.mm4i-cinema-desc {
    margin-top: 3px;
    font-size: 12.5px;
    color: #94a3b8;
}