/* Okuma deneyimi — uzun yazılar ve izleme notları için ek düzen.
   Sadece <article class="post-article okuma"> kullanan sayfalarda yüklenir. */

/* ---------- Okuma ilerleme çubuğu ---------- */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1200;
    background-color: transparent;
    pointer-events: none;
}

.reading-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--gradient-secondary);
    border-radius: 0 3px 3px 0;
}

/* ---------- Başlık bölgesi ---------- */
.okuma .post-header {
    text-align: left;
}

.post-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: var(--font-weight-medium);
    color: var(--accent-color);
    background-color: var(--accent-soft);
    border: 1px solid var(--accent-color);
    border-radius: 50px;
    padding: 0.3rem 0.85rem;
    margin-bottom: 1rem;
}

.okuma .post-header h1 {
    font-size: 2.7rem;
    letter-spacing: -0.4px;
}

.post-dek {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--light-text);
    margin: 0 0 1.4rem;
    max-width: 44ch;
}

/* ---------- Video kartı ---------- */
.watch-card {
    margin: 0 0 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.video-embed {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: #0f1512;
}

.video-embed iframe,
.video-embed img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    object-fit: cover;
}

.video-embed-play {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    cursor: pointer;
    background: none;
}

.video-embed-play img {
    transition: var(--transition-normal);
}

.video-embed-play::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 21, 18, 0.55), rgba(15, 21, 18, 0.05));
}

.video-embed-cta {
    position: absolute;
    left: 1.1rem;
    bottom: 1.1rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1.1rem 0.55rem 0.6rem;
    border-radius: 50px;
    color: #16241d;
    background: var(--gradient-secondary);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
    font-size: 0.88rem;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
}

.video-embed-cta i {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: rgba(22, 36, 29, 0.16);
    font-size: 0.72rem;
}

.video-embed-play:hover .video-embed-cta,
.video-embed-play:focus-visible .video-embed-cta {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
}

.video-embed-play:hover img {
    transform: scale(1.02);
}

.watch-meta {
    padding: 1.1rem 1.3rem 1.2rem;
}

.watch-meta h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    line-height: 1.4;
    margin: 0 0 0.35rem;
}

.watch-meta p {
    margin: 0 0 0.7rem;
    font-size: 0.88rem;
    color: var(--light-text);
}

.watch-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

/* ---------- Zaman damgası rozetleri ---------- */
.stamp {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
    padding: 0.18rem 0.65rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--light-text);
    white-space: nowrap;
    transition: var(--transition-fast);
}

a.stamp:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: var(--accent-soft);
}

.post-body a.stamp {
    border-bottom: 1px solid var(--border-color);
}

.post-body a.stamp:hover {
    border-bottom-color: var(--accent-color);
}

/* ---------- İçindekiler ---------- */
.post-toc {
    margin: 0 0 3rem;
    padding: 1.1rem 1.3rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-secondary);
}

.post-toc-title {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light-text);
    margin: 0 0 0.7rem;
}

.post-toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc;
}

.post-toc li {
    margin: 0 0 0.4rem;
}

.post-toc a {
    display: block;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--light-text);
    border-bottom: 0;
}

.post-toc a::before {
    counter-increment: toc;
    content: counter(toc, decimal-leading-zero);
    font-size: 0.72rem;
    color: var(--accent-color);
    margin-right: 0.55rem;
    font-variant-numeric: tabular-nums;
}

.post-toc a:hover,
.post-toc a.active {
    color: var(--accent-color);
}

@media (min-width: 1280px) {
    .post-toc {
        position: fixed;
        top: 50%;
        left: calc(50% - 610px);
        width: 225px;
        transform: translateY(-50%);
        margin: 0;
        max-height: 70vh;
        overflow-y: auto;
        background-color: transparent;
        border: 0;
        border-left: 1px solid var(--border-color);
        border-radius: 0;
        padding: 0.2rem 0 0.2rem 1rem;
        z-index: 900;
    }

    .post-toc a.active {
        font-weight: var(--font-weight-medium);
    }
}

/* ---------- Gövde ince ayarları ---------- */
.okuma .post-body {
    counter-reset: bolum;
}

.okuma .post-body h2 {
    line-height: 1.3;
    margin-top: 3.2rem;
    scroll-margin-top: 6rem;
}

.okuma .post-body h2::before {
    counter-increment: bolum;
    content: counter(bolum, decimal-leading-zero);
    display: block;
    font-family: var(--font-family);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.okuma .post-body > p:first-of-type {
    font-size: 1.14rem;
    line-height: 1.8;
}

.okuma .post-body strong {
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
}

/* ---------- Not kutusu ---------- */
.note-block {
    margin: 2.2rem 0;
    padding: 1.2rem 1.4rem;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-color);
    border-radius: 0 10px 10px 0;
    background-color: var(--bg-secondary);
}

.note-block p:last-child {
    margin-bottom: 0;
}

.note-label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-medium);
}

/* ---------- Vurgu alıntısı ---------- */
.pull-quote {
    margin: 2.8rem 0;
    padding: 0;
    border: 0;
    text-align: center;
    font-family: var(--font-display);
    font-style: normal;
    font-size: 1.5rem;
    line-height: 1.45;
    color: var(--text-color);
}

.pull-quote::before {
    content: '';
    display: block;
    width: 46px;
    height: 2px;
    margin: 0 auto 1.3rem;
    background: var(--gradient-secondary);
}

.pull-quote::after {
    content: '';
    display: block;
    width: 46px;
    height: 2px;
    margin: 1.3rem auto 0;
    background: var(--gradient-secondary);
}

.pull-quote cite {
    display: block;
    margin-top: 0.9rem;
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-style: normal;
    color: var(--light-text);
}

/* ---------- Kapanış kartı ---------- */
.takeaways {
    margin: 3rem 0 0;
    padding: 1.6rem 1.7rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background-color: var(--bg-secondary);
}

.takeaways h2 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin: 0 0 1rem;
}

.okuma .post-body .takeaways h2::before {
    content: none;
}

.takeaways ol {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: alinti;
}

.takeaways li {
    position: relative;
    padding-left: 2.2rem;
    margin-bottom: 0.9rem;
    font-size: 0.99rem;
    line-height: 1.7;
}

.takeaways li:last-child {
    margin-bottom: 0;
}

.takeaways li::before {
    counter-increment: alinti;
    content: counter(alinti, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0.15rem;
    font-size: 0.78rem;
    color: var(--accent-color);
    font-variant-numeric: tabular-nums;
}

/* ---------- Kaynak notu ---------- */
.source-note {
    margin-top: 2.5rem;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--light-text);
}

@media (max-width: 768px) {
    .okuma .post-header h1 {
        font-size: 1.9rem;
    }

    .post-dek {
        font-size: 1.02rem;
    }

    .pull-quote {
        font-size: 1.22rem;
    }

    .video-embed-cta {
        left: 0.75rem;
        bottom: 0.75rem;
        font-size: 0.8rem;
        padding: 0.45rem 0.9rem 0.45rem 0.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .video-embed-play:hover img,
    .video-embed-play:hover .video-embed-cta {
        transform: none;
    }
}

/* ============================================================
   Şekiller ve etkileşimli görseller (teknik yazılar)
   ============================================================ */

.figure {
    margin: 2.5rem 0;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background-color: var(--bg-secondary);
    overflow: hidden;
}

.figure-head {
    padding: 1rem 1.3rem 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.figure-title {
    margin: 0 0 0.25rem;
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-color);
    font-weight: var(--font-weight-medium);
}

.figure-head p:last-child {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--text-color);
}

.figure-caption {
    margin: 0;
    padding: 0.85rem 1.3rem 1.1rem;
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--light-text);
    border-top: 1px solid var(--border-color);
}

/* ---------- Soyutlama merdiveni ---------- */
.layer-stack {
    padding: 0.6rem;
}

.layer {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-color);
    margin-bottom: 0.4rem;
    overflow: hidden;
}

.layer:last-child {
    margin-bottom: 0;
}

.layer-toggle {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    width: 100%;
    padding: 0.75rem 0.95rem;
    border: 0;
    background: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--text-color);
    transition: var(--transition-fast);
}

.layer-toggle:hover {
    background-color: var(--accent-soft);
}

.layer-index {
    flex: none;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
    color: var(--accent-color);
    background-color: var(--accent-soft);
    border: 1px solid var(--border-color);
}

.layer-name {
    flex: 1;
    font-weight: var(--font-weight-medium);
}

.layer-hint {
    flex: none;
    font-size: 0.78rem;
    color: var(--light-text);
}

.layer-toggle::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.68rem;
    color: var(--light-text);
    transition: var(--transition-fast);
}

.layer-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
    color: var(--accent-color);
}

.layer[data-acik="true"] {
    border-color: var(--accent-color);
}

.layer-body {
    padding: 0.2rem 0.95rem 1rem 3.4rem;
}

.layer-body dl {
    margin: 0;
}

.layer-body dt {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.2rem;
}

.layer-body dd {
    margin: 0 0 0.7rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--light-text);
}

.layer-body dd:last-child {
    margin-bottom: 0;
}

/* ---------- Kaydıraçlı grafik ---------- */
.chart-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.3rem 0.4rem;
}

.chart-controls label {
    font-size: 0.88rem;
    color: var(--light-text);
}

.chart-controls input[type="range"] {
    flex: 1;
    min-width: 180px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.chart-value {
    font-variant-numeric: tabular-nums;
    font-weight: var(--font-weight-medium);
    color: var(--accent-color);
    min-width: 3.4rem;
    text-align: right;
}

.chart-canvas {
    padding: 0.4rem 0.9rem 0;
}

.chart-canvas svg {
    display: block;
    width: 100%;
    height: auto;
}

.chart-axis {
    stroke: var(--border-color);
    stroke-width: 1;
}

.chart-limit {
    stroke: var(--light-text);
    stroke-width: 1;
    stroke-dasharray: 5 4;
    opacity: 0.75;
}

.chart-curve {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 2.5;
    stroke-linecap: round;
}

.chart-label {
    fill: var(--light-text);
    font-family: var(--font-family);
    font-size: 11px;
}

.chart-readout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.6rem;
    padding: 0.9rem 1.3rem 1.1rem;
}

.chart-readout div {
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-color);
}

.chart-readout dt,
.chart-readout .readout-label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--light-text);
    margin-bottom: 0.25rem;
}

.chart-readout .readout-value {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    font-variant-numeric: tabular-nums;
    color: var(--accent-color);
}

/* ---------- Tablo ---------- */
.table-scroll {
    margin: 2.2rem 0;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.post-body table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.post-body th,
.post-body td {
    padding: 0.75rem 1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.55;
}

.post-body thead th {
    background-color: var(--bg-secondary);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--light-text);
    font-weight: var(--font-weight-medium);
}

.post-body tbody tr:last-child td {
    border-bottom: 0;
}

.post-body td:first-child {
    white-space: nowrap;
    font-weight: var(--font-weight-medium);
}

@media (max-width: 768px) {
    .layer-hint {
        display: none;
    }

    .layer-body {
        padding-left: 1.1rem;
    }

    .chart-controls,
    .chart-readout {
        padding-left: 0.9rem;
        padding-right: 0.9rem;
    }
}

/* ---------- Kendini tart testi ---------- */
/* blog.css'teki .post-body ol kuralını yenmek için iki sınıflı seçici */
.post-body .quiz {
    --dogru: #2f6b46;
    --yanlis: #a8432e;
    list-style: none;
    margin: 0;
    padding: 0.9rem 1.3rem 0.4rem;
    counter-reset: soru;
}

.post-body .quiz .quiz-item {
    margin-bottom: 0;
}

[data-theme="dark"] .quiz {
    --dogru: #7cb894;
    --yanlis: #dd9078;
}

.quiz-item {
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.quiz-item:last-child {
    border-bottom: 0;
}

.quiz-q {
    margin: 0 0 0.85rem;
    font-size: 0.99rem;
    line-height: 1.65;
}

.quiz-q::before {
    counter-increment: soru;
    content: counter(soru, decimal-leading-zero);
    font-size: 0.72rem;
    color: var(--accent-color);
    margin-right: 0.6rem;
    font-variant-numeric: tabular-nums;
}

.quiz-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
}

.quiz-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.quiz-label {
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--light-text);
    margin-right: 0.2rem;
}

.quiz-group button {
    padding: 0.32rem 0.85rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--light-text);
    font-family: var(--font-family);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.quiz-group button:hover:not(:disabled) {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.quiz-group button[aria-pressed="true"] {
    background-color: var(--accent-soft);
    border-color: var(--accent-color);
    color: var(--accent-color);
    font-weight: var(--font-weight-medium);
}

.quiz-group button:disabled {
    cursor: default;
}

.quiz-item[data-sonuc="dogru"] .quiz-cevap button[aria-pressed="true"] {
    color: var(--dogru);
    border-color: var(--dogru);
    background-color: transparent;
}

.quiz-item[data-sonuc="yanlis"] .quiz-cevap button[aria-pressed="true"] {
    color: var(--yanlis);
    border-color: var(--yanlis);
    background-color: transparent;
}

.quiz-item[data-sonuc] .quiz-cevap button[data-anahtar] {
    color: var(--dogru);
    border-color: var(--dogru);
}

.quiz-cevap button[data-anahtar]::after {
    content: ' ✓';
    color: var(--dogru);
    font-weight: var(--font-weight-bold);
}

.quiz-exp {
    margin: 0.9rem 0 0;
    padding-left: 0.9rem;
    border-left: 2px solid var(--border-color);
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--light-text);
}

.quiz-foot {
    padding: 0.4rem 1.3rem 1.3rem;
}

.quiz-go {
    font-size: 0.9rem;
    padding: 0.55rem 1.4rem;
}

.quiz-result {
    margin: 1rem 0 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-color);
}

.quiz-result:empty {
    margin: 0;
}

/* ---------- Üç adımlı döngü şeması ---------- */
.cycle-node {
    fill: var(--bg-color);
    stroke: var(--accent-color);
    stroke-width: 1.5;
}

.cycle-text {
    fill: var(--text-color);
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 500;
}

.cycle-arrow {
    fill: none;
    stroke: var(--light-text);
    stroke-width: 1.5;
}

.cycle-head {
    fill: var(--light-text);
}

.cycle-loop-label {
    fill: var(--light-text);
    font-family: var(--font-family);
    font-size: 11px;
}

.cycle-notes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.9rem;
    padding: 0.6rem 1.3rem 1.2rem;
}

.cycle-notes div {
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-color);
}

.cycle-notes strong {
    display: block;
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 0.4rem;
    font-weight: var(--font-weight-medium);
}

.cycle-notes p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--light-text);
}

@media (max-width: 768px) {
    .quiz,
    .quiz-foot,
    .cycle-notes {
        padding-left: 0.9rem;
        padding-right: 0.9rem;
    }

    .quiz-row {
        gap: 0.9rem;
    }
}