/**
 * ======================================================
 * İşletme Dersleri UI Design System
 * Experience — Tek Konu Öğrenme Ekranı
 * ======================================================
 */

.experience {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ---------------- Üst çubuk ---------------- */

.experience-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.experience-back {
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: var(--font-body-size);
    cursor: pointer;
    transition: .18s;
}

.experience-back:hover {
    border-color: var(--color-accent-dim);
    color: var(--color-text);
}

.durum-badge {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 5px 10px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    color: var(--color-text-faint);
}

.durum-badge.aktif {
    color: var(--color-accent);
    border-color: var(--color-accent-dim);
    background: var(--color-accent-wash);
}

.switch {
    width: 52px;
    height: 28px;
    border-radius: 20px;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    position: relative;
    cursor: pointer;
    transition: .2s;
    padding: 0;
}

.switch::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-text-faint);
    top: 3px;
    left: 3px;
    transition: .2s;
}

.switch.on {
    background: var(--color-accent-wash);
    border-color: var(--color-accent-dim);
}

.switch.on::after {
    background: var(--color-accent);
    transform: translateX(24px);
}

/* ---------------- İki panel düzeni ---------------- */

.experience-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    align-items: start;
}

.experience-left,
.experience-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.panel {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-md);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.04) inset,
        0 20px 40px -20px rgba(0, 0, 0, 0.55),
        0 8px 16px -8px rgba(0, 0, 0, 0.4);
    transition: box-shadow .25s ease, transform .25s ease;
}

.panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(216, 168, 78, 0.35), transparent);
}

.panel:hover {
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.05) inset,
        0 28px 56px -20px rgba(0, 0, 0, 0.6),
        0 10px 20px -8px rgba(0, 0, 0, 0.45);
    transform: translateY(-2px);
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.eyebrow-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    flex-shrink: 0;
    background: color-mix(in srgb, var(--badge-color) 16%, transparent);
    border: 1px solid color-mix(in srgb, var(--badge-color) 45%, transparent);
    color: var(--badge-color);
}

.eyebrow-badge .icon {
    width: 14px;
    height: 14px;
}

.ders-baslik {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.ders-anlatimi {
    color: var(--color-text);
    font-family: "Patrick Hand", var(--font-body);
    font-size: 22px;
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}
.panel::after {
    content: "";
    display: table;
    clear: both;
}

.hikaye-kutu {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border-soft);
    border-left: 3px solid var(--color-accent-dim);
    border-radius: var(--radius-sm);
    padding: 20px 22px;
    font-family: "Patrick Hand", var(--font-body);
    font-size: 22px;
    line-height: 1.7;
    letter-spacing: 0.1px;
    color: var(--color-text);
    word-spacing: 1px;
    overflow-wrap: break-word;
}


.hikaye-kutu p + p {
    margin-top: 14px;
}
.hikaye-kutu::after {
    content: "";
    display: table;
    clear: both;
}

.gorsel-alan {
    margin: var(--space-sm) 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-soft);
    max-height: 220px;
}

.gorsel-alan img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.grafik-alan {
    margin-top: var(--space-sm);
}

.grafik-alan svg {
    width: 100%;
    height: 100px;
    display: block;
}

.grafik-etiket {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--color-text-faint);
    letter-spacing: .5px;
    margin-top: 4px;
    text-transform: uppercase;
}

.hikaye-medya {
    margin: var(--space-md) 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.hikaye-gorsel img {
    width: 100%;
    display: block;
    border-radius: var(--radius-sm);
}
.hikaye-video {
    position: relative;
    padding-top: 56.25%;
}
.hikaye-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
}
.hikaye-medya-bos {
    margin: var(--space-md) 0;
    padding: 32px;
    border: 2px dashed var(--color-accent-dim);
    border-radius: var(--radius-sm);
    text-align: center;
    color: var(--color-text-dim, var(--color-accent-dim));
    font-size: 14px;
}
.sifre-kutu {
    background: linear-gradient(135deg, var(--color-surface-raised), var(--color-bg));
    border: 1px solid var(--color-accent-dim);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    position: relative;
    overflow: hidden;
}

.sifre-kutu::before {
    content: "ŞİFRE";
    position: absolute;
    top: 10px;
    right: 14px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--color-accent-dim);
}

.sifre-metin {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 15px;
    color: var(--color-accent);
    letter-spacing: .5px;
    line-height: 1.6;
}

.kilit-buton {
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-accent-dim);
    background: var(--color-accent-wash);
    color: var(--color-accent);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: .2s;
}

.kilit-buton:disabled {
    cursor: default;
    opacity: .75;
}

/* ---------------- Soru paneli ---------------- */

.soru-panel {
    position: sticky;
    top: var(--space-md);
}

.soru-panel-inner {
    position: relative;
}

.soru-ust {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.soru-no {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-faint);
    letter-spacing: 1px;
}

.kilit-durum {
    font-family: var(--font-mono);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10.5px;
    padding: 4px 9px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    color: var(--color-text-faint);
}

.kilit-durum.acik {
    color: var(--color-success);
    border-color: rgba(67, 201, 142, .35);
    background: var(--color-success-wash);
}

.soru-metin {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.siklar-liste {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sik {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 15px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface-raised);
    cursor: pointer;
    transition: .18s;
    font-size: 14px;
    color: var(--color-text);
    width: 100%;
    text-align: left;
    font-family: var(--font-body);
}

.sik:hover:not(.disabled) {
    border-color: var(--color-accent-dim);
    transform: translateX(2px);
}

.sik.disabled {
    cursor: not-allowed;
    opacity: .5;
}

.sik .harf {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 12px;
    width: 24px;
    height: 24px;
    border-radius: 7px;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.sik.dogru {
    background: var(--color-success-wash);
    border-color: var(--color-success);
}

.sik.dogru .harf {
    background: var(--color-success);
    color: #08221A;
}

.sik.yanlis {
    background: var(--color-danger-wash);
    border-color: var(--color-danger);
}

.sik.yanlis .harf {
    background: var(--color-danger);
    color: #2A0A0A;
}

.geri-bildirim {
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    line-height: 1.5;
}

.geri-bildirim.ok {
    background: var(--color-success-wash);
    color: var(--color-success);
    border: 1px solid rgba(67, 201, 142, .35);
}

.geri-bildirim.bad {
    background: var(--color-danger-wash);
    color: var(--color-danger);
    border: 1px solid rgba(239, 106, 106, .35);
}

.overlay-kilitli {
    position: absolute;
    inset: 0;
    z-index: 5;
    background: rgba(11, 15, 20, .94);
    backdrop-filter: blur(6px);
    border-radius: var(--radius);
    border: 1px solid var(--color-accent-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 6px;
    padding: var(--space-lg);
    box-sizing: border-box;
}

.overlay-kilitli-rozet {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-wash);
    border: 1.5px solid var(--color-accent-dim);
    box-shadow: 0 0 30px var(--color-accent-wash);
    margin-bottom: var(--space-sm);
}

.overlay-kilitli-rozet .icon {
    color: var(--color-accent);
}

.overlay-kilitli-baslik {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    color: #F5F7FA;
    width: 100%;
}

.overlay-kilitli-aciklama {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 260px;
    width: 100%;
}

.overlay-kilitli-aciklama b {
    color: var(--color-accent);
    font-weight: 700;
}
/* ---------------- Şekil Yer Tutucusu ---------------- */

.sekil-yer-tutucu {
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--color-bg);
}

.sekil-yer-tutucu .icon {
    color: var(--color-text-faint);
    margin-top: 2px;
    flex-shrink: 0;
}

.sekil-yer-tutucu-icerik {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sekil-yer-tutucu-etiket {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--color-text-faint);
}

.sekil-yer-tutucu-metin {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-muted);
}
/* ---------------- Hikaye Modu (kitap görünümü) ---------------- */

.kitap-panel {
    display: flex;
    flex-direction: column;
}

.kitap-sayfa {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.9;
    letter-spacing: 0.15px;
    color: var(--color-text);
    word-spacing: 1px;
    overflow-wrap: break-word;
    min-height: 200px;
}

.kitap-sayfa p {
    margin: 0;
}

.kitap-sayfa p + p {
    margin-top: 18px;
}

.kitap-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border-soft);
}

.kitap-nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-accent-dim);
    background: var(--color-accent-wash);
    color: var(--color-accent);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .18s;
}

.kitap-nav-btn:hover:not(:disabled) {
    background: var(--color-accent-dim);
    color: #08221A;
    transform: scale(1.05);
}

.kitap-nav-btn:disabled {
    opacity: .35;
    cursor: default;
}

.kitap-sayfa-no {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--color-text-faint);
    min-width: 48px;
    text-align: center;
}

.ders-anlatimi {
    color: var(--color-text);
    font-family: "Patrick Hand", var(--font-body);
    font-size: 22px;
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.ders-anlatimi p + p {
    margin-top: 12px;
}

/* ---------------- Mobil (≤900px) ---------------- */

@media (max-width: 900px) {
    .experience-layout {
        grid-template-columns: 1fr;
    }

    .soru-panel {
        position: static;
    }

    .panel {
        padding: var(--space-sm);
    }

    .ders-baslik {
        font-size: 22px;
    }

    .hikaye-kutu,
    .kitap-sayfa {
        font-size: 14.5px;
        max-width: 100%;
    }

    .experience-topbar {
        gap: 8px;
    }

    .durum-badge {
        font-size: 10px;
        padding: 4px 8px;
    }

    .switch {
        width: 44px;
        height: 24px;
    }

    .switch::after {
        width: 16px;
        height: 16px;
    }

    .switch.on::after {
        transform: translateX(20px);
    }

    .overlay-kilitli {
        padding: var(--space-md);
    }
}

/* ---------------- Görsel Büyütücü (Lightbox) ---------------- */
.gorsel-buyutucu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--space-lg);
    cursor: zoom-out;
}
.gorsel-buyutucu-img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-sm);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    cursor: default;
}
.gorsel-buyutucu-kapat {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}