body {
        background-color: #fcf8ee;
        font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    /* Slayt kartı (topics.html tasarımına benzer) */
    .slide-wrapper {
        padding-bottom: 2.5rem;
    }

    .slide-card {
        transition: opacity 0.3s ease, transform 0.3s ease;
        border-radius: 1rem;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
        /* background-color: #fffaf2; */
        background-color: white;
        min-height: 220px;
        border: none;
    }

    .slide-title {
        font-size: 1.4rem;
        font-weight: 600;
        margin-bottom: 0.25rem;
    }

    .slide-subtitle {
        font-size: 0.95rem;
        color: #6c757d;
        margin-bottom: 1rem;
    }

    .content-block {
        margin-bottom: 0.9rem;
    }

    .content-heading {
        font-weight: 600;
        margin-bottom: 0.15rem;
    }

    .content-text {
        margin: 0;
        line-height: 1.5;
    }

    .examples {
        margin-top: 1rem;
        padding-top: 0.75rem;
        border-top: 1px solid #e9ecef;
    }

    .examples-title {
        font-weight: 600;
        margin-bottom: 0.5rem;
        font-size: 0.98rem;
    }

    .example-item {
        margin-bottom: 0.45rem;
    }

    .example-en {
        font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono",
            "Courier New", monospace;
        background: #f8f9fa;
        padding: 0.15rem 0.35rem;
        border-radius: 0.25rem;
        display: inline-block;
        font-size: 0.92rem;
    }

    .example-tr {
        display: block;
        font-size: 0.9rem;
        color: #555;
        margin-top: 0.15rem;
    }

    .note-box,
    .tip-box,
    .warning-box {
        padding: 0.6rem 0.75rem;
        border-radius: 0.5rem;
        margin-top: 0.4rem;
        font-size: 0.9rem;
    }

    .note-box {
        background: #e7f3fe;
        border-left: 4px solid #0d6efd;
    }

    .tip-box {
        background: #e8f5e9;
        border-left: 4px solid #198754;
    }

    .warning-box {
        background: #fff3e0;
        border-left: 4px solid #fd7e14;
    }

    /* Navigasyon butonları */
    .slide-nav-buttons .btn {
        border-radius: 999px;
        padding-inline: 1.1rem;
    }

    /* =========================================================
   SLIDE INNER SCROLL + SABİT ALT NAV (DESKTOP / TABLET / MOBILE)
   ========================================================= */

    /* Genel layout */
    .slide-layout {
        display: flex;
        flex-direction: column;
        height: calc(100vh - 160px);
        /* navbar + header */
    }

    /* İçerik scroll alanı */
    .slide-scroll-area {
        flex: 1;
        overflow-y: auto;
        padding-bottom: .5rem;
        /* alt nav üstüne binmesin */
    }

    /* Alt navigasyon – ortak stil */
    .slide-nav-fixed {
        background: #fffaf2;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        padding: 0.75rem 1rem;
        display: flex;
        justify-content: space-between;
        gap: 0.75rem;
        z-index: 1000;
    }

    /* =========================================================
   DESKTOP (≥ 992px) – sidebar VAR
   ========================================================= */
    @media (min-width: 992px) {
        .slide-nav-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            margin-left: 320px;
            /* sidebar width */
        }
    }

    /* =========================================================
   TABLET + MOBILE (< 992px) – sidebar YOK
   ========================================================= */
    @media (max-width: 991.98px) {
        .slide-nav-fixed {
            position: sticky;
            bottom: 0;
            margin-left: 0;
        }

        .slide-nav-fixed button {
            flex: 1;
        }
    }

    /* =========================================================
   KÜÇÜK MOBİL İNCE AYAR
   ========================================================= */
    @media (max-width: 576px) {
        .slide-layout {
            height: calc(100vh - 130px);
        }
    }


    /* =========================================================
   MOBİLDE SADECE SAYFA SCROLL KAPAT – BUTONLAR GÖRÜNÜR
   ========================================================= */
    @media (max-width: 991.98px) {

        html,
        body {
            height: 100%;
            overflow: hidden;
        }

        /* main scroll yapmaz ama içeriği kırpmaz */
        main#mainContent {
            height: 100%;
            overflow: visible;
        }
    }