:root {
    --primary: #4f46e5; --primary-light: #6366f1; --secondary: #7c3aed; --accent: #a855f7;
    --card-shadow: 0 1px 2px rgba(0,0,0,0.04); --card-shadow-hover: 0 8px 20px rgba(0,0,0,0.1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    --kpi-width: 130px; --kpi-height: 120px; --kpi-count-size: 28px; --kpi-label-size: 10px;
    --thumb-height: 340px; --detail-left-width: 70%; --detail-right-width: 30%;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'DIN Alternate','Segoe UI',sans-serif; font-size: 14px; letter-spacing: 0.015em; background: linear-gradient(135deg,#f8fafc 0%,#e2e8f0 25%,#f1f5f9 50%,#e0e7ff 75%,#f8fafc 100%); background-size: 400% 400%; animation: gradientShift 15s ease infinite; min-height: 100vh; }
body::before { content: ''; position: fixed; inset: 0; background: radial-gradient(circle at 20% 50%,rgba(99,102,241,0.05) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(139,92,246,0.05) 0%,transparent 50%),radial-gradient(circle at 50% 80%,rgba(168,85,247,0.04) 0%,transparent 50%); pointer-events: none; z-index: 0; }
::-webkit-scrollbar { width: 4px; height: 4px; } ::-webkit-scrollbar-track { background: #f1f5f9; } ::-webkit-scrollbar-thumb { background: linear-gradient(180deg,#6366f1,#8b5cf6); border-radius: 2px; }
.navbar-glass { background: rgba(255,255,255,0.8); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,0.5); box-shadow: 0 4px 20px rgba(0,0,0,0.04); }

/* Preferred Category Dropdown */
#prefCatDropdown { position: relative; }
#prefCatBtn { display: flex; align-items: center; gap: 6px; padding: 6px 12px; background: white; border: 1px solid #e5e7eb; border-radius: 10px; font-size: 12px; font-weight: 500; color: #64748b; cursor: pointer; transition: all 0.2s; }
#prefCatBtn:hover { border-color: #818cf8; }
#prefCatMenu { position: absolute; right: 0; top: 100%; margin-top: 4px; background: white; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.12); border: 1px solid #f1f5f9; padding: 6px 0; min-width: 200px; z-index: 50; }
#prefCatMenu.hidden { display: none; }
.pref-cat-option { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 14px; border: none; background: none; cursor: pointer; font-size: 13px; color: #475569; transition: all 0.15s; text-align: left; }
.pref-cat-option:hover { background: #f8fafc; color: #4f46e5; }
.pref-cat-option.active { background: #eef2ff; color: #4f46e5; font-weight: 600; }
.pref-cat-option i { width: 18px; text-align: center; }

/* Featured Carousel */
.featured-carousel { position: relative; width: 100%; max-width: 100%; overflow: hidden; border-radius: 16px; background: #1e293b; margin-bottom: 16px; display: none; }
.featured-carousel.active { display: block; }
.featured-track { display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); height: 350px; }
.featured-slide { min-width: 100%; position: relative; cursor: pointer; }
.featured-slide img { width: 100%; height: 350px; object-fit: cover; }
.featured-slide .featured-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px 24px; background: linear-gradient(transparent, rgba(0,0,0,0.8)); color: white; }
.featured-slide .featured-title { font-family: 'DIN Bold',sans-serif; font-size: 20px; margin-bottom: 4px; }
.featured-slide .featured-category { font-size: 13px; opacity: 0.8; }
.featured-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.15); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2); color: white; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 16px; z-index: 5; transition: all 0.3s; }
.featured-nav:hover { background: rgba(255,255,255,0.3); }
.featured-prev { left: 12px; }
.featured-next { right: 12px; }
.featured-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 5; }
.featured-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: all 0.3s; }
.featured-dot.active { background: white; transform: scale(1.3); }
@media (max-width: 767px) {
    .featured-track { height: 220px; }
    .featured-slide img { height: 220px; }
    .featured-nav { width: 32px; height: 32px; font-size: 12px; }
}

/* KPI Cards */
.kpi-card { width: var(--kpi-width); height: var(--kpi-height); border-radius: 16px; cursor: pointer; transition: var(--transition-bounce); box-shadow: 0 2px 12px rgba(0,0,0,0.06); margin: 4px; position: relative; overflow: hidden; display: grid; grid-template-columns: 60% 40%; grid-template-rows: 65% 35%; background: white; flex-shrink: 0; }
.kpi-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.kpi-card.active { box-shadow: 0 0 0 3px #f59e0b, 0 8px 24px rgba(0,0,0,0.3); }
.kpi-card .kpi-icon-area { grid-row: 1; grid-column: 1; display: flex; align-items: center; justify-content: center; padding: 10px; position: relative; z-index: 2; }
.kpi-card .kpi-icon-area img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.kpi-card .kpi-icon-area i { font-size: 36px; opacity: 0.8; }
.kpi-card .kpi-count-area { grid-row: 1; grid-column: 2; display: flex; align-items: center; justify-content: center; font-family: 'DIN Bold',sans-serif; font-size: var(--kpi-count-size); font-weight: 900; position: relative; z-index: 2; background: rgba(255,255,255,0.8); }
.kpi-card .kpi-label-area { grid-row: 2; grid-column: 1 / -1; display: flex; align-items: center; justify-content: center; font-size: var(--kpi-label-size); font-weight: 600; color: #475569; text-align: center; padding: 4px 8px; background: rgba(0,0,0,0.03); border-top: 1px solid rgba(0,0,0,0.05); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; position: relative; z-index: 2; }
.kpi-card[data-color="blue"] { background: linear-gradient(135deg,#dbeafe,#eff6ff); } .kpi-card[data-color="blue"] .kpi-count-area { color: #2563eb; }
.kpi-card[data-color="purple"] { background: linear-gradient(135deg,#ede9fe,#f5f3ff); } .kpi-card[data-color="purple"] .kpi-count-area { color: #7c3aed; }
.kpi-card[data-color="green"] { background: linear-gradient(135deg,#d1fae5,#ecfdf5); } .kpi-card[data-color="green"] .kpi-count-area { color: #059669; }
.kpi-card[data-color="amber"] { background: linear-gradient(135deg,#fef3c7,#fffbeb); } .kpi-card[data-color="amber"] .kpi-count-area { color: #d97706; }
.kpi-card[data-color="red"] { background: linear-gradient(135deg,#fee2e2,#fef2f2); } .kpi-card[data-color="red"] .kpi-count-area { color: #dc2626; }
.kpi-card[data-color="indigo"] { background: linear-gradient(135deg,#e0e7ff,#eef2ff); } .kpi-card[data-color="indigo"] .kpi-count-area { color: #4f46e5; }
.kpi-card[data-color="teal"] { background: linear-gradient(135deg,#ccfbf1,#f0fdfa); } .kpi-card[data-color="teal"] .kpi-count-area { color: #0d9488; }
.kpi-card[data-color="pink"] { background: linear-gradient(135deg,#fce7f3,#fdf2f8); } .kpi-card[data-color="pink"] .kpi-count-area { color: #db2777; }
.kpi-card.active .kpi-label-area { background: rgba(0,0,0,0.08); color: #1e293b; }
@media (max-width: 767px) {
    :root { --kpi-width: 52px; --kpi-height: 52px; --kpi-count-size: 0px; --kpi-label-size: 0px; }
    .kpi-card { grid-template-columns: 1fr; grid-template-rows: 1fr; border-radius: 12px; }
    .kpi-card .kpi-count-area { display: none; }
    .kpi-card .kpi-label-area { display: none; }
    .kpi-card .kpi-icon-area { grid-row: 1; grid-column: 1; padding: 8px; }
    .kpi-card .kpi-icon-area i { font-size: 22px; }
}

.mobile-cat-chip { display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 8px; font-size: 10px; font-weight: 600; cursor: pointer; transition: all 0.2s; background: #f1f5f9; color: #475569; }
.mobile-cat-chip:hover { background: #e2e8f0; }
.mobile-cat-chip.active { background: #4f46e5; color: white; }
.mobile-cat-chip i { font-size: 11px; }
.mobile-tag-chip { display: inline-block; padding: 4px 8px; border-radius: 6px; font-size: 10px; font-weight: 500; cursor: pointer; transition: all 0.2s; background: #f1f5f9; color: #64748b; }
.mobile-tag-chip:hover { background: #e2e8f0; }
.mobile-tag-chip.active { background: #1e293b; color: white; font-weight: 600; }

.all-projects-btn { width: var(--kpi-width); height: var(--kpi-height); margin: 4px; background: white; border-radius: 16px; cursor: pointer; transition: var(--transition-bounce); box-shadow: 0 2px 12px rgba(0,0,0,0.06); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; position: relative; overflow: hidden; border: 2px dashed #d1d5db; flex-shrink: 0; }
.all-projects-btn:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); border-color: #6366f1; }
.all-projects-btn .btn-value { font-family: 'DIN Bold',sans-serif; font-size: 28px; font-weight: 900; color: #6366f1; }
.all-projects-btn .btn-label { font-size: 10px; color: #64748b; font-weight: 500; }
@media (max-width: 767px) { .all-projects-btn { --kpi-width: 52px; --kpi-height: 52px; } .all-projects-btn .btn-value { font-size: 18px; } .all-projects-btn .btn-label { display: none; } }

#categoryKPIRow { display: flex; flex-wrap: nowrap; justify-content: center; overflow-x: auto; gap: 2px; padding: 4px 0; }
.kpi-scroll { scrollbar-width: none; -ms-overflow-style: none; }
.kpi-scroll::-webkit-scrollbar { display: none; }
.tag-scroll { scrollbar-width: none; -ms-overflow-style: none; }
.tag-scroll::-webkit-scrollbar { display: none; }

.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; justify-items: center; padding: 0 2px; }
.project-card { width: 100%; max-width: 100%; padding: 0; background: white; border-radius: 14px; box-shadow: var(--card-shadow); transition: var(--transition-bounce); cursor: pointer; overflow: hidden; position: relative; }
.project-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-3px); }
.card-title-overlay { position: absolute; top: 8px; left: 8px; right: 8px; z-index: 3; background: rgba(0,0,0,0.7); backdrop-filter: blur(6px); padding: 8px 12px; border-radius: 8px; color: white; font-family: 'DIN Bold',sans-serif; font-size: 15px; font-weight: 700; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.thumbnail-container { width: 100%; height: var(--thumb-height); overflow: hidden; position: relative; }
.thumbnail-container img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .thumbnail-container img { transform: scale(1.04); }
.thumbnail-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg,#f1f5f9,#e2e8f0); display: flex; align-items: center; justify-content: center; }
.card-body-content { padding: 12px 14px; }
.card-category-badge { display: inline-block; padding: 4px 12px; background: linear-gradient(135deg,#e0e7ff,#f3e8ff); color: #4f46e5; border-radius: 16px; font-size: 11px; font-weight: 600; margin-bottom: 6px; }
.card-rating-reviews-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.card-stars { display: flex; gap: 1px; font-size: 12px; color: #f59e0b; }
.card-avg-rating { font-family: 'DIN Bold',sans-serif; font-size: 13px; color: #1e40af; font-weight: 700; }
.card-review-count { font-size: 11px; color: #64748b; }
.card-reviews-preview { margin-bottom: 6px; }
.card-review-item { display: flex; align-items: flex-start; gap: 6px; padding: 4px 0; border-top: 1px solid #f8fafc; }
.card-review-item:first-child { border-top: none; }
.card-review-avatar { width: 24px; height: 24px; border-radius: 50%; min-width: 24px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 10px; color: white; }
.card-review-content { flex: 1; min-width: 0; }
.review-author-row { display: flex; align-items: center; gap: 4px; }
.review-stars-inline { display: inline-flex; gap: 2px; margin-right: 6px; color: #f59e0b; font-size: 11px; }
.card-review-author { font-weight: 600; font-size: 11px; color: #1e293b; }
.card-review-text { font-size: 10px; color: #64748b; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.card-desc-collapsible { margin-bottom: 6px; }
.card-desc-text { font-size: 12px; color: #475569; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-read-more { font-size: 11px; color: #4f46e5; font-weight: 600; cursor: pointer; }
.card-admin-btns { display: flex; gap: 6px; margin-top: 6px; padding-top: 6px; border-top: 1px solid #f1f5f9; }
.card-admin-btns button { padding: 5px 10px; border-radius: 6px; font-size: 11px; cursor: pointer; border: none; }
.card-admin-btns .btn-edit { background: #f1f5f9; color: #64748b; }
.card-admin-btns .btn-delete { background: #fef2f2; color: #ef4444; }
.card-admin-btns .btn-review { background: #fffbeb; color: #d97706; }

#tagFilters .tag-chip { display: inline-block; padding: 6px 14px; margin: 2px; border-radius: 8px; font-size: 11px; font-weight: 500; cursor: pointer; transition: var(--transition-bounce); white-space: nowrap; flex-shrink: 0; }
#tagFilters .tag-chip:hover { transform: scale(1.05); }
#tagFilters .tag-chip.active { background: linear-gradient(135deg,#1e293b,#334155)!important; color: white!important; font-weight: 600; }

.project-detail-modal { position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.85); backdrop-filter: blur(12px); display: none; align-items: center; justify-content: center; }
.project-detail-modal.active { display: flex; }
.project-detail-content { background: white; width: 100vw; height: 100vh; display: flex; animation: scaleIn 0.3s ease; position: relative; }
.project-detail-left { width: var(--detail-left-width); position: relative; background: #0f172a; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.project-detail-left img { width: 100%; height: 100%; object-fit: contain; }
.project-detail-right { width: var(--detail-right-width); padding: 28px; overflow-y: auto; display: flex; flex-direction: column; }
.project-detail-title { font-family: 'DIN Bold',sans-serif; font-size: 22px; color: #1e293b; margin-bottom: 8px; }
.project-detail-category-badge { display: inline-block; padding: 6px 16px; background: linear-gradient(135deg,#e0e7ff,#f3e8ff); color: #4f46e5; border-radius: 16px; font-size: 12px; font-weight: 600; margin-bottom: 12px; }
.project-detail-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 12px; }
.project-detail-tag { padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 500; }
.project-detail-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.project-detail-reviews { border-top: 1px solid #e5e7eb; padding-top: 16px; }
.detail-reviews-heading { font-family: 'DIN Bold',sans-serif; font-size: 16px; color: #1e293b; margin-bottom: 12px; }
.detail-review-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid #f1f5f9; position: relative; }
.detail-review-avatar { width: 36px; height: 36px; border-radius: 50%; min-width: 36px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; color: white; }
.detail-review-content { flex: 1; }
.detail-review-author { font-weight: 600; color: #1e293b; font-size: 13px; }
.detail-review-text { font-size: 12px; color: #64748b; line-height: 1.5; }
.detail-review-delete { position: absolute; top: 10px; right: 0; background: none; border: none; color: #ef4444; cursor: pointer; font-size: 12px; opacity: 0; transition: opacity 0.2s; display: none; }
.detail-review-item:hover .detail-review-delete { opacity: 1; }
.detail-review-delete.visible { display: block; }

.detail-thumbnail-strip { margin-top: auto; padding-top: 16px; border-top: 1px solid #e5e7eb; display: flex; gap: 8px; flex-wrap: wrap; }
.detail-thumbnail-strip .strip-thumb { width: 100px; height: 80px; object-fit: cover; border-radius: 8px; cursor: pointer; border: 2px solid #e5e7eb; opacity: 0.8; transition: all 0.3s; }
.detail-thumbnail-strip .strip-thumb:hover { opacity: 1; border-color: #818cf8; }
.detail-thumbnail-strip .strip-thumb.active { opacity: 1; border-color: #4f46e5; }
.detail-thumbnail-strip .strip-delete-btn { position: absolute; top: -6px; right: -6px; width: 18px; height: 18px; background: #ef4444; color: white; border-radius: 50%; font-size: 8px; cursor: pointer; display: none; align-items: center; justify-content: center; }
.detail-thumbnail-strip .strip-delete-btn.visible { display: flex; }

.detail-play-btn { position: absolute; top: 16px; right: 16px; background: linear-gradient(135deg,#4f46e5,#7c3aed); color: white; border: none; padding: 10px 20px; border-radius: 12px; font-family: 'DIN Bold',sans-serif; font-size: 14px; font-weight: 700; cursor: pointer; z-index: 26; }
.detail-close-btn { position: absolute; top: 12px; right: 12px; z-index: 100; background: rgba(239,68,68,0.9); color: white; border: 2px solid rgba(255,255,255,0.3); width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.btn-primary-gradient { background: linear-gradient(135deg,#4f46e5,#7c3aed); color: white; font-weight: 600; box-shadow: 0 4px 15px rgba(79,70,229,0.3); transition: var(--transition-bounce); display: inline-flex; align-items: center; gap: 6px; }
.fab-button { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg,#4f46e5,#7c3aed); box-shadow: 0 6px 20px rgba(79,70,229,0.4); display: flex; align-items: center; justify-content: center; border: none; cursor: pointer; }
#toastContainer { position: fixed; top: 80px; right: 20px; z-index: 99999; }
.toast-enter { animation: slideDown 0.4s cubic-bezier(0.34,1.56,0.64,1); }
.modal-scale-in { animation: scaleIn 0.3s ease; }
@keyframes slideDown { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

@media (min-width: 1400px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } :root { --thumb-height: 360px; } }
@media (max-width: 1399px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } :root { --thumb-height: 320px; } }
@media (max-width: 1199px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } :root { --detail-left-width: 65%; --detail-right-width: 35%; } }
@media (max-width: 1023px) { .projects-grid { grid-template-columns: repeat(2, 1fr); gap: 4px; } :root { --thumb-height: 280px; } }
@media (max-width: 767px) {
    .projects-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    :root { --thumb-height: 280px; --detail-left-width: 100%; --detail-right-width: 100%; }
    .project-detail-content { flex-direction: column; }
    .project-detail-left { height: 35vh; }
    .project-detail-right { height: 65vh; overflow-y: auto; }
    .detail-thumbnail-strip .strip-thumb { width: 65px; height: 55px; }
    #tagFilters, #tagSearchInput { display: none; }
}
@media (max-width: 479px) { :root { --thumb-height: 240px; } }