/* ==========================================================
   SIBASTORE — Kataloglar Sayfasi (fluidra tarzi)
   Renk: #0d67c3 (vurgu mavi) | Arka plan: #f5f7fb
   Font: Montserrat (Turkce)
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
    --cat-primary:        #0d67c3;
    --cat-primary-dark:   #0a55a8;
    --cat-primary-xdark:  #083e80;
    --cat-primary-light:  #e8f0fd;
    --cat-primary-muted:  rgba(13, 103, 195, 0.12);
    --cat-bg:             #f5f7fb;
    --cat-surface:        #ffffff;
    --cat-border:         #e2e8f0;
    --cat-border-hover:   #c5d4e8;
    --cat-text:           #1a2a3a;
    --cat-text-muted:     #6b7a90;
    --cat-text-body:      #3a4a5c;
    --cat-shadow-card:    0 2px 8px rgba(13, 103, 195, 0.08);
    --cat-shadow-hover:   0 12px 32px rgba(13, 103, 195, 0.18);
    --cat-shadow-active:  0 0 0 3px rgba(13, 103, 195, 0.22);
    --cat-radius:         12px;
    --cat-radius-sm:      8px;
    --cat-transition:     0.22s ease-out;
    --topbar-height:      0px; /* JS tarafindan guncellenir, fallback */
}

/* ---- Genel sayfa ---- */
.catalogs-page {
    font-family: 'Montserrat', sans-serif;
    background: var(--cat-bg);
    min-height: calc(100vh - 80px);
}

/* ========================================================
   UST BAR (baslik + sekmeler)
   ======================================================== */
.catalogs-topbar {
    background: var(--cat-surface);
    border-bottom: 1px solid var(--cat-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 200;
}

.catalogs-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0 0.5rem;
    flex-wrap: wrap;
}

/* Sayfa basligi */
.catalogs-page-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.catalogs-page-title i.bi {
    font-size: 1.6rem;
    color: var(--cat-primary);
    flex-shrink: 0;
    line-height: 1;
}

.catalogs-page-title h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cat-text);
    margin: 0;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.catalogs-page-title p {
    font-size: 0.75rem;
    color: var(--cat-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Arama kutusu */
.catalogs-search-wrap {
    position: relative;
    flex-shrink: 0;
}

.catalogs-search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: #aab4c4;
    font-size: 0.85rem;
    pointer-events: none;
    line-height: 1;
}

.catalogs-search-input {
    border: 1.5px solid var(--cat-border);
    border-radius: 50px;
    padding: 0.5rem 1rem 0.5rem 2.4rem;
    font-size: 0.82rem;
    font-family: 'Montserrat', sans-serif;
    width: 240px;
    background: var(--cat-bg);
    color: var(--cat-text);
    outline: none;
    transition: border-color var(--cat-transition), box-shadow var(--cat-transition), background var(--cat-transition);
    line-height: 1.5;
}

.catalogs-search-input:focus {
    border-color: var(--cat-primary);
    box-shadow: 0 0 0 3px var(--cat-primary-muted);
    background: var(--cat-surface);
}

.catalogs-search-input::placeholder {
    color: #aab4c4;
}

/* Sekme seridi */
.catalogs-tabs-wrap {
    /* Tum kategoriler her zaman gorunsun: yatay scroll yok, satira sigmazsa alt satira gecer */
    overflow: visible;
    padding-bottom: 2px;
    margin-bottom: -1px; /* border-bottom ile birlesim */
}

.catalogs-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.65rem 0 0.65rem;
}

/* Sekme butonu */
.cat-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1.1rem;
    min-height: 36px; /* touch target icin */
    border-radius: 50px;
    border: 1.5px solid var(--cat-border);
    background: var(--cat-bg);
    color: var(--cat-text-body);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition:
        background var(--cat-transition),
        border-color var(--cat-transition),
        color var(--cat-transition),
        box-shadow var(--cat-transition),
        transform 0.12s ease-out;
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: 0.01em;
}

.cat-tab:hover {
    background: var(--cat-primary-light);
    border-color: var(--cat-primary);
    color: var(--cat-primary);
    transform: translateY(-1px);
}

.cat-tab:active {
    transform: translateY(0);
}

.cat-tab.active {
    background: var(--cat-primary);
    border-color: var(--cat-primary);
    color: #fff;
    box-shadow: 0 3px 10px rgba(13, 103, 195, 0.30);
}

.cat-tab .bi {
    font-size: 0.85rem;
    line-height: 1;
}

/* Sekme sayac rozeti */
.cat-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.28);
    border-radius: 50px;
    padding: 0 0.45rem;
    min-width: 1.4rem;
    height: 1.35rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1;
}

.cat-tab:not(.active) .cat-tab-count {
    background: #dde6f0;
    color: #55647a;
}

/* ========================================================
   ANA LAYOUT (sidebar + grid)
   ======================================================== */
.catalogs-body {
    padding-top: 1.5rem;
    padding-bottom: 3rem;
}

.catalogs-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    align-items: start;
}

/* ========================================================
   SOL SIDEBAR
   ======================================================== */
.catalogs-sidebar {
    background: var(--cat-surface);
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius);
    overflow: hidden;
    position: sticky;
    top: calc(var(--topbar-height, 130px) + 16px);
    max-height: calc(100vh - var(--topbar-height, 130px) - 48px);
    display: flex;
    flex-direction: column;
    box-shadow: var(--cat-shadow-card);
    transition: box-shadow var(--cat-transition);
}

.catalogs-sidebar:hover {
    box-shadow: 0 4px 16px rgba(13, 103, 195, 0.10);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    background: linear-gradient(to bottom, #f8fafc, #f2f6fb);
    border-bottom: 1px solid var(--cat-border);
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--cat-text);
    letter-spacing: 0.01em;
    flex-shrink: 0;
}

.sidebar-count {
    background: var(--cat-primary);
    color: #fff;
    border-radius: 50px;
    padding: 0.1rem 0.55rem;
    font-size: 0.68rem;
    font-weight: 700;
    min-width: 1.5rem;
    text-align: center;
    line-height: 1.6;
}

.sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0.3rem 0;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: #b8c6d8 transparent;
}

.sidebar-list::-webkit-scrollbar {
    width: 4px;
}

.sidebar-list::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-list::-webkit-scrollbar-thumb {
    background: #b8c6d8;
    border-radius: 4px;
}

.sidebar-list::-webkit-scrollbar-thumb:hover {
    background: #8fa8c4;
}

.sidebar-item {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    padding: 0.55rem 1rem;
    min-height: 44px; /* touch target */
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--cat-text-body);
    transition: background var(--cat-transition), color var(--cat-transition), border-left-color var(--cat-transition);
    border-left: 3px solid transparent;
    line-height: 1.45;
}

.sidebar-item + .sidebar-item {
    border-top: 1px solid #f0f4f8;
}

.sidebar-item:hover {
    background: var(--cat-primary-light);
    color: var(--cat-primary);
    border-left-color: var(--cat-primary);
}

.sidebar-item.active {
    background: #dceaf9;
    color: var(--cat-primary-dark);
    border-left-color: var(--cat-primary);
    font-weight: 600;
}

.sidebar-item .bi-file-earmark-pdf {
    color: #e53e3e;
    font-size: 0.88rem;
    flex-shrink: 0;
    margin-top: 2px;
    line-height: 1;
}

.sidebar-item span {
    line-height: 1.45;
}

.sidebar-empty {
    padding: 1.25rem 1rem;
    color: #aab4c4;
    font-size: 0.78rem;
    font-style: italic;
    list-style: none;
    text-align: center;
}

/* ========================================================
   SAG ICERIK — KART GRID
   ======================================================== */
.catalog-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

/* Katalog karti */
.catalog-card {
    background: var(--cat-surface);
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius);
    overflow: hidden;
    transition:
        transform var(--cat-transition),
        box-shadow var(--cat-transition),
        border-color var(--cat-transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--cat-shadow-card);
    will-change: transform, box-shadow;
}

.catalog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--cat-shadow-hover);
    border-color: var(--cat-border-hover);
}

.catalog-card.active {
    border-color: var(--cat-primary);
    box-shadow: var(--cat-shadow-active);
}

/* ---- Thumbnail alani ---- */
.catalog-card-thumb {
    position: relative;
    overflow: hidden;
    /* A4 portré orani: 1:1.4142 */
    aspect-ratio: 1 / 1.414;
    background: #edf1f7;
    flex-shrink: 0;
}

/*
 * Skeleton yukleme: img yuklenmeden once gorunen animasyonlu arka plan.
 * img yuklendikten sonra (load olayinda) .catalog-thumb-loaded class eklenir.
 */
.catalog-card-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        #edf1f7 0%,
        #dde6f0 45%,
        #edf1f7 100%
    );
    background-size: 200% 100%;
    animation: cat-skeleton-shimmer 1.4s ease-in-out infinite;
    z-index: 1;
    transition: opacity 0.3s ease;
}

/* Gorsel yuklendikten sonra skeleton gizlenir */
.catalog-card-thumb.thumb-loaded::before {
    opacity: 0;
    pointer-events: none;
}

@keyframes cat-skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.catalog-card-thumb img {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    /* contain: tamami gorunur, kutu orani korunur */
    object-fit: contain;
    object-position: center top;
    transition: transform 0.28s ease-out;
    display: block;
}

.catalog-card:hover .catalog-card-thumb img {
    transform: scale(1.03);
}

/* Hover overlay — incelemek icin */
.catalog-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 50, 100, 0.68);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.22s ease-out;
    z-index: 3;
}

.catalog-card:hover .catalog-card-overlay {
    opacity: 1;
}

/* Overlay incele butonu */
.btn-view-catalog {
    background: #fff;
    color: var(--cat-primary);
    border: 2px solid #fff;
    border-radius: 50px;
    padding: 0.52rem 1.3rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn-view-catalog:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.btn-view-catalog:active {
    transform: scale(0.98);
}

/* ---- Kart body ---- */
.catalog-card-body {
    padding: 0.75rem 0.85rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.55rem;
    border-top: 1px solid #f0f4f8;
}

.catalog-card-name {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--cat-text);
    margin: 0;
    line-height: 1.45;
    /* 2 satir klamp */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.2em; /* 2 satir yuksekligi */
}

.catalog-card-actions {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.btn-catalog-primary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    background: var(--cat-primary);
    color: #fff;
    border: none;
    border-radius: var(--cat-radius-sm);
    padding: 0.48rem 0.6rem;
    min-height: 36px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--cat-transition), box-shadow var(--cat-transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn-catalog-primary:hover {
    background: var(--cat-primary-dark);
    box-shadow: 0 2px 8px rgba(13, 103, 195, 0.28);
}

.btn-catalog-primary:active {
    background: var(--cat-primary-xdark);
}

/* Indirme butonu */
.btn-catalog-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px; /* min 44px daha iyidir — wrapper ile cozuldu */
    min-width: 36px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    color: var(--cat-text-muted);
    font-size: 0.82rem;
    text-decoration: none;
    transition: background var(--cat-transition), color var(--cat-transition), border-color var(--cat-transition);
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.btn-catalog-secondary:hover {
    background: var(--cat-primary-light);
    color: var(--cat-primary);
    border-color: var(--cat-primary);
}

.btn-catalog-secondary:active {
    background: #d0e4f8;
}

/* WhatsApp + Paylas satiri */
.catalog-card-comm {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

/* WhatsApp ile iletisim butonu (yetkili) */
.btn-catalog-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    flex: 1;
    min-width: 0;
    background: #25d366;
    color: #fff;
    border: none;
    border-radius: var(--cat-radius-sm);
    padding: 0.46rem 0.6rem;
    min-height: 36px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--cat-transition), box-shadow var(--cat-transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
    -webkit-tap-highlight-color: transparent;
}

.btn-catalog-whatsapp .bi {
    font-size: 0.95rem;
    line-height: 1;
}

.btn-catalog-whatsapp:hover {
    background: #1eb455;
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.32);
}

.btn-catalog-whatsapp:active {
    background: #1a9c4a;
}

/* ---- Paylas butonu + menusu ---- */
.catalog-share {
    position: relative;
    flex-shrink: 0;
}

.btn-catalog-share {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    border: 1.5px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    background: #fff;
    color: var(--cat-text-muted);
    cursor: pointer;
    transition: background var(--cat-transition), color var(--cat-transition), border-color var(--cat-transition);
    -webkit-tap-highlight-color: transparent;
}

.btn-catalog-share:hover {
    background: var(--cat-primary-light);
    color: var(--cat-primary);
    border-color: var(--cat-primary);
}

.catalog-share-menu {
    position: absolute;
    right: 0;
    bottom: calc(100% + 6px);
    min-width: 184px;
    background: #fff;
    border: 1px solid var(--cat-border);
    border-radius: var(--cat-radius-sm);
    box-shadow: 0 6px 22px rgba(10, 50, 100, 0.18);
    padding: 0.3rem;
    z-index: 30;
    display: none;
}

.catalog-share-menu.open {
    display: block;
}

.catalog-share-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.6rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--cat-text);
    text-decoration: none;
    border-radius: 6px;
    transition: background var(--cat-transition), color var(--cat-transition);
}

.catalog-share-menu a:hover {
    background: var(--cat-primary-light);
    color: var(--cat-primary);
}

.catalog-share-menu .bi {
    font-size: 0.95rem;
    line-height: 1;
}

/* ---- Bos durum ---- */
.catalogs-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 5rem 2rem;
    color: #aab4c4;
    text-align: center;
}

.catalogs-empty .bi {
    font-size: 3.5rem;
    opacity: 0.55;
}

.catalogs-empty p {
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0;
    color: var(--cat-text-muted);
}

/* ========================================================
   RESPONSIVE — MOBILE FIRST min-width
   ======================================================== */

/* 480px: 2-sutun grid (cok kucuk ekranlar icin daha iyi) */
@media (min-width: 480px) {
    .catalog-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 640px: arama genisligi */
@media (min-width: 640px) {
    .catalogs-search-input {
        width: 220px;
    }
}

/* 768px: 3-sutun grid */
@media (min-width: 768px) {
    .catalog-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 992px: sidebar + grid yan yana */
@media (min-width: 992px) {
    .catalogs-layout {
        grid-template-columns: 260px 1fr;
    }

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

/* 1200px: 4-sutun grid, sidebar 280px */
@media (min-width: 1200px) {
    .catalogs-layout {
        grid-template-columns: 280px 1fr;
    }

    .catalog-cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================================
   MOBILE (< 992px) — Sidebar yukarida, tam genislik
   ======================================================== */
@media (max-width: 991.98px) {
    .catalogs-layout {
        grid-template-columns: 1fr;
    }

    /* Mobilde sol sidebar GIZLI — ust kategori serisi ayni navigasyonu
       sagliyor; ikisini birden gostermek tekrara ve dikey alan israfina
       yol aciyordu. Kategori secimi artik tek yerden: ust chip serisi. */
    .catalogs-sidebar {
        display: none;
    }

    .catalog-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    /* Ust kategori serisi: cok satira yayilmak yerine TEK SATIR yatay
       kaydirmali serit (uygulama tarzi). Dikey alan tasarrufu + tanidik UX. */
    .catalogs-tabs-wrap {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        scroll-snap-type: x proximity;
        /* sagda hafif fade — kaydirilabilir oldugunu ima eder */
        -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 22px), transparent 100%);
                mask-image: linear-gradient(to right, #000 calc(100% - 22px), transparent 100%);
    }
    .catalogs-tabs-wrap::-webkit-scrollbar {
        display: none;
    }
    .catalogs-tabs {
        flex-wrap: nowrap;
        width: max-content;
        padding: 0.55rem 0;
    }
    .cat-tab {
        flex-shrink: 0;
        scroll-snap-align: start;
    }
}

/* Kucuk tablet */
@media (max-width: 767.98px) {
    .catalogs-body {
        padding-top: 1.25rem;
        padding-bottom: 2rem;
    }
}

/* Mobil */
@media (max-width: 575.98px) {
    .catalogs-topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
        padding-bottom: 0.25rem;
    }

    .catalogs-search-input {
        width: 100%;
    }

    .catalogs-search-wrap {
        width: 100%;
    }

    /* Mobilde 2 sutun korunuyor, 320px cihazda kart ok. */
    .catalog-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .cat-tab {
        padding: 0.4rem 0.85rem;
        font-size: 0.75rem;
        min-height: 34px;
    }

    .catalog-card-body {
        padding: 0.6rem 0.65rem;
    }

    .catalog-card-name {
        font-size: 0.72rem;
    }

    .btn-catalog-primary {
        font-size: 0.68rem;
        padding: 0.42rem 0.5rem;
        min-height: 34px;
    }
}

/* Cok dar ekran (320px) */
@media (max-width: 359.98px) {
    .catalog-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================================
   YARDIMCI: Topbar yuksekligi JS ile guncellenir
   Skeleton animation prefers-reduced-motion destegi
   ======================================================== */
@media (prefers-reduced-motion: reduce) {
    .catalog-card-thumb::before {
        animation: none;
        background: #edf1f7;
    }

    .catalog-card,
    .catalog-card-thumb img,
    .catalog-card-overlay,
    .cat-tab,
    .sidebar-item,
    .btn-view-catalog,
    .btn-catalog-primary,
    .btn-catalog-secondary {
        transition: none;
    }
}