/* ==========================================================================
   CodeBlanks akış dersleri: adım adım oynatıcı (.fl) + kurs sayfası öğrenme yolu (.cbp) + Pati maskotu
   Görsel dil: klavye tuşu düğmeler, kesik çizgili boşluk seçenekleri, CI tarzı geri bildirim, can yerine kahve,
   terminal ilerleme çubuğu. Renkler sitenin tema değişkenlerinden gelir (--color-*); açık/koyu tema uyumludur.
   ========================================================================== */

.fl,
.cbp,
.fl-modal {
    --fl-bg: var(--color-background, #0b111e);
    --fl-surface: var(--color-card-bg, #121a2b);
    --fl-surface-2: var(--color-background-offset, #182338);
    --fl-line: var(--color-border, #26334a);
    --fl-line-2: color-mix(in srgb, var(--fl-line) 70%, var(--fl-muted));
    --fl-fg: var(--color-text, #e6edf6);
    --fl-muted: var(--color-text-medium, #8b98ac);
    --fl-brand: var(--color-primary, #2dd4bf);
    --fl-brand-deep: color-mix(in srgb, var(--fl-brand) 58%, #000);
    --fl-brand-ink: #032824;
    --fl-ok: var(--color-success, #22c55e);
    --fl-bad: var(--color-danger, #f43f5e);
    --fl-warn: var(--color-warning, #f59e0b);
    --fl-coffee: #c08457;
    --fl-coffee-dark: #7c4a2d;
    --fl-cup: color-mix(in srgb, var(--fl-fg) 85%, transparent);
    --fl-console: #070b14;
    --fl-console-fg: #cbd5e1;
    --fl-c-dim: #64748b;
    --fl-c-ok: #4ade80;
    --fl-c-bad: #fb7185;
    --fl-c-warn: #fcd34d;
    --fl-c-tag: #5eead4;
    --fl-future: color-mix(in srgb, var(--fl-line) 75%, var(--fl-muted));
    --fl-u1: #2dd4bf;
    --fl-u2: #38bdf8;
    --fl-u3: #a78bfa;
    --fl-u4: #fbbf24;
    --fl-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, Consolas, monospace;
}

/* ---------- Pati animasyonları ---------- */
.pati.p-bob .p-body {
    animation: fl-bob 2.4s ease-in-out infinite;
    transform-origin: 100px 186px;
}

.pati.p-jump .p-body {
    animation: fl-jump .8s ease-in-out infinite;
    transform-origin: 100px 186px;
}

.pati.p-jump .p-tail {
    animation: fl-wag .45s ease-in-out infinite alternate;
    transform-origin: 130px 170px;
}

.pati .p-q {
    animation: fl-bob 1.6s ease-in-out infinite;
}

@keyframes fl-bob {
    50% {
        transform: translateY(-4px);
    }
}

@keyframes fl-jump {

    0%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px) scale(.98, 1.02);
    }

    70% {
        transform: translateY(0) scale(1.03, .97);
    }
}

@keyframes fl-wag {
    to {
        transform: rotate(12deg);
    }
}

/* ---------- Klavye tuşu düğme (oynatıcı + ders yolu ortak) ---------- */
.fl-key {
    position: relative;
    --face: var(--fl-surface-2);
    --edge: var(--fl-line-2);
    --ink: var(--fl-fg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
    font-weight: 700;
    font-size: 14px;
    line-height: 1.2;
    letter-spacing: .02em;
    color: var(--ink) !important;
    text-decoration: none !important;
    background: linear-gradient(var(--face), color-mix(in srgb, var(--face) 88%, #000));
    border: 1px solid var(--edge);
    border-bottom-width: 5px;
    border-radius: 10px;
    padding: 11px 16px 9px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 2px 6px rgba(0, 0, 0, .22);
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform .06s, border-bottom-width .06s, padding .06s;
}

.fl-key:active:not([disabled]),
.fl-key.is-down {
    transform: translateY(3px);
    border-bottom-width: 2px;
    padding-top: 9px;
    padding-bottom: 12px;
}

/* Basılıyken tuş aşağı kayar ve kısalır; imleç üst kenardaysa bırakınca tuşun dışında kalıp tıklama kaybolmasın.
   Yalnızca basılıyken, tuşun boşalttığı alanı kaplayan görünmez bir tutma alanı eklenir. */
.fl-key:active:not([disabled])::after {
    content: "";
    position: absolute;
    inset: -7px -1px -1px;
}

.fl-key:focus-visible {
    outline: 3px solid var(--fl-brand);
    outline-offset: 3px;
}

.fl-key kbd {
    font: 600 11px var(--fl-mono);
    padding: 2px 6px;
    border-radius: 5px;
    border: 1px solid color-mix(in srgb, var(--ink) 35%, transparent);
    background: none;
    color: inherit;
    box-shadow: none;
    opacity: .75;
}

.fl-key.primary {
    --face: var(--fl-brand);
    --edge: var(--fl-brand-deep);
    --ink: var(--fl-brand-ink);
}

.fl-key.success {
    --face: var(--fl-c-ok);
    --edge: color-mix(in srgb, var(--fl-c-ok) 55%, #000);
    --ink: #052e16;
}

.fl-key.danger {
    --face: var(--fl-c-bad);
    --edge: color-mix(in srgb, var(--fl-c-bad) 55%, #000);
    --ink: #3f0a17;
}

.fl-key[disabled] {
    --face: var(--fl-surface-2);
    --edge: var(--fl-line);
    --ink: var(--fl-muted);
    cursor: not-allowed;
    opacity: .7;
}

.fl-key.wide {
    min-width: 200px;
}

.fl-key.sm {
    font-size: 13px;
    padding: 7px 11px 5px;
    border-bottom-width: 4px;
}

/* ---------- Kahve kupası ---------- */
.fl-cups {
    display: inline-flex;
    gap: 3px;
    align-items: center;
}

.fl-cup {
    width: 26px;
    height: 26px;
    flex: none;
    overflow: visible;
}

.fl-cup .liquid {
    transition: transform .5s ease-in;
    transform-origin: 12px 20px;
}

.fl-cup.empty .liquid {
    transform: scaleY(0);
}

.fl-cup.spill {
    animation: fl-spill .7s ease-in-out;
    transform-origin: 12px 22px;
}

@keyframes fl-spill {

    30%,
    70% {
        transform: rotate(-38deg);
    }

    100% {
        transform: rotate(0);
    }
}

/* ==========================================================================
   Oynatıcı
   ========================================================================== */
.fl {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    background: var(--fl-bg);
    color: var(--fl-fg);
}

.fl [hidden],
.fl-modal[hidden] {
    display: none !important;
}

.fl button {
    font-family: inherit;
    cursor: pointer;
}

.fl button:focus-visible,
.fl textarea:focus-visible {
    outline: 3px solid var(--fl-brand);
    outline-offset: 2px;
}

.fl-top {
    border-bottom: 1px solid var(--fl-line);
    padding: calc(env(safe-area-inset-top, 0px) + 10px) max(16px, env(safe-area-inset-right, 0px)) 10px max(16px, env(safe-area-inset-left, 0px));
}

.fl-top-in {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
}

.fl-x {
    color: var(--fl-muted);
    padding: 6px;
    border-radius: 8px;
    display: grid;
    text-decoration: none;
}

.fl-x:hover {
    color: var(--fl-fg);
    background: var(--fl-surface-2);
}

.fl-x svg {
    width: 22px;
    height: 22px;
}

.fl-tbar {
    flex: 1;
    min-width: 0;
    font: 600 13px var(--fl-mono);
    color: var(--fl-muted);
    white-space: nowrap;
    overflow: hidden;
}

.fl-tbar b {
    color: var(--fl-brand);
    font-weight: 600;
    letter-spacing: -1px;
}

.fl-tbar i {
    font-style: normal;
    letter-spacing: -1px;
    opacity: .55;
}

.fl-cups.is-empty {
    animation: fl-shake .4s;
}

.fl-body {
    flex: 1;
    overflow-y: auto;
    padding: 22px max(16px, env(safe-area-inset-right, 0px)) 28px max(16px, env(safe-area-inset-left, 0px));
}

.fl-step {
    max-width: 660px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    animation: fl-in .28s ease-out;
}

@keyframes fl-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
}

.fl-step>* {
    min-width: 0;
}

.fl-kicker {
    font: 700 12px var(--fl-mono);
    color: var(--fl-brand);
    letter-spacing: .02em;
    text-transform: lowercase;
}

.fl-kicker::before {
    content: "// ";
    opacity: .7;
}

.fl-step h2 {
    font-size: clamp(21px, 4.4vw, 27px);
    font-weight: 800;
    letter-spacing: -.01em;
    margin: 0;
    line-height: 1.22;
    text-wrap: balance;
    color: var(--fl-fg);
}

.fl-lead,
.fl-content {
    font-size: 16px;
    line-height: 1.6;
    max-width: 64ch;
}

.fl-lead {
    color: var(--fl-muted);
    margin: 0;
}

.fl-content>*+* {
    margin-top: 12px;
}

.fl-content p {
    margin: 0;
}

.fl-content ul,
.fl-content ol {
    margin: 0;
    padding-left: 22px;
    display: grid;
    gap: 6px;
}

.fl-content code {
    font-family: var(--fl-mono);
    font-size: .9em;
    background: var(--fl-surface-2);
    border: 1px solid var(--fl-line);
    padding: 0 5px;
    border-radius: 5px;
    overflow-wrap: anywhere;
}

.fl-content pre {
    background: var(--fl-console);
    color: var(--fl-console-fg);
    padding: 14px 16px;
    border-radius: 12px;
    overflow-x: auto;
    font: 500 14px/1.6 var(--fl-mono);
}

.fl-content pre code {
    background: none;
    border: 0;
    padding: 0;
    font-size: inherit;
    color: inherit;
    overflow-wrap: normal;
}

.fl-say {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.fl-say .pati {
    flex: none;
}

.fl-bubble {
    flex: 1;
    position: relative;
    background: var(--fl-surface);
    border: 1px solid var(--fl-line);
    border-radius: 12px;
    padding: 10px 13px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.45;
    margin: 0;
}

.fl-bubble::before {
    content: "";
    position: absolute;
    left: -7px;
    bottom: 18px;
    width: 12px;
    height: 12px;
    background: var(--fl-surface);
    border-left: 1px solid var(--fl-line);
    border-bottom: 1px solid var(--fl-line);
    transform: rotate(45deg);
}

/* kart içi görseller (adım HTML'inde class ile kullanılır) */
.fl-browser {
    border: 1px solid var(--fl-line);
    border-radius: 14px;
    overflow: hidden;
    background: var(--fl-surface);
}

.fl-browser-bar {
    display: flex;
    gap: 6px;
    align-items: center;
    padding: 8px 12px;
    background: var(--fl-surface-2);
    border-bottom: 1px solid var(--fl-line);
    font: 500 12px var(--fl-mono);
    color: var(--fl-muted);
}

.fl-browser-bar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--fl-line-2);
}

.fl-browser-bar em {
    margin-left: 8px;
    font-style: normal;
}

.fl-browser-page {
    padding: 16px;
    display: grid;
    gap: 10px;
}

.fl-blk {
    border: 2px dashed var(--bc);
    border-radius: 10px;
    padding: 8px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.fl-tag {
    font: 600 12px var(--fl-mono);
    color: var(--bc);
    white-space: nowrap;
}

.fl-blk-h {
    --bc: var(--fl-u1);
    font-weight: 800;
    font-size: 18px;
}

.fl-blk-p {
    --bc: var(--fl-u2);
    color: var(--fl-muted);
    font-size: 14px;
}

.fl-blk-img {
    --bc: var(--fl-u3);
    height: 64px;
    color: var(--fl-muted);
    font-size: 13px;
}

.fl-blk-btn {
    --bc: var(--fl-u4);
}

.fl-anat {
    background: var(--fl-console);
    color: var(--fl-console-fg);
    border-radius: 14px;
    padding: 22px 16px 16px;
    overflow-x: auto;
}

.fl-anat-row {
    display: flex;
    justify-content: center;
    font: 500 clamp(15px, 3.6vw, 20px) var(--fl-mono);
    white-space: nowrap;
}

.fl-seg {
    padding: 4px 3px;
    border-radius: 6px;
    border-bottom: 4px solid var(--sc);
}

.fl-seg-o {
    --sc: var(--fl-u1);
    color: var(--fl-c-tag);
}

.fl-seg-t {
    --sc: var(--fl-u2);
}

.fl-seg-c {
    --sc: var(--fl-u4);
    color: var(--fl-c-warn);
}

.fl-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    justify-content: center;
    margin-top: 16px;
    font-size: 13px;
    font-weight: 600;
}

.fl-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.fl-legend i {
    width: 12px;
    height: 4px;
    border-radius: 2px;
    background: var(--sc);
}

.fl-l1 {
    --sc: var(--fl-u1);
}

.fl-l2 {
    --sc: var(--fl-u2);
}

.fl-l3 {
    --sc: var(--fl-u4);
}

/* boşluk motifi: seçenekler */
.fl-options {
    display: grid;
    gap: 10px;
}

.fl-bopt {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    width: 100%;
    padding: 13px 14px;
    border-radius: 10px;
    border: 2px dashed var(--fl-line-2);
    background: transparent;
    color: var(--fl-fg);
    font-weight: 600;
    font-size: 16px;
    transition: background .15s, border-color .15s;
}

.fl-bopt .k {
    flex: none;
    font: 600 11px var(--fl-mono);
    color: var(--fl-muted);
    border: 1px solid var(--fl-line-2);
    border-bottom-width: 3px;
    border-radius: 6px;
    padding: 2px 7px;
}

.fl-bopt .txt {
    flex: 1;
    min-width: 0;
    overflow-wrap: anywhere;
}

.fl-bopt .fill {
    width: 18px;
    height: 18px;
    flex: none;
    border-radius: 4px;
    border: 2px dashed var(--fl-line-2);
}

.fl-bopt:hover:not([disabled]) {
    border-color: var(--fl-muted);
}

.fl-bopt.sel {
    border-style: solid;
    border-color: var(--fl-brand);
    background: color-mix(in srgb, var(--fl-brand) 12%, transparent);
}

.fl-bopt.sel .fill {
    border-style: solid;
    border-color: var(--fl-brand);
    background: var(--fl-brand);
    box-shadow: inset 0 0 0 3px var(--fl-bg);
}

.fl-bopt.right {
    border-style: solid;
    border-color: var(--fl-c-ok);
    background: color-mix(in srgb, var(--fl-c-ok) 12%, transparent);
}

.fl-bopt.right .fill {
    border-style: solid;
    border-color: var(--fl-c-ok);
    background: var(--fl-c-ok);
    box-shadow: inset 0 0 0 3px var(--fl-bg);
}

.fl-bopt.wrong {
    border-style: solid;
    border-color: var(--fl-c-bad);
    background: color-mix(in srgb, var(--fl-c-bad) 12%, transparent);
}

.fl-bopt.wrong .fill {
    border-style: solid;
    border-color: var(--fl-c-bad);
    background: var(--fl-c-bad);
    box-shadow: inset 0 0 0 3px var(--fl-bg);
}

.fl-bopt[disabled] {
    cursor: default;
}

.fl-render {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 17px;
    font-weight: 400;
}

.fl-render-out {
    display: block;
    padding: 8px 12px;
    background: #fff;
    color: #111827;
    border-radius: 6px;
    font: 400 16px/1.45 Georgia, 'Times New Roman', serif;
}

.fl-render-out> :first-child {
    margin-top: 0;
}

.fl-render-out> :last-child {
    margin-bottom: 0;
}

.fl-render-out ul,
.fl-render-out ol {
    margin: 0;
    padding-left: 26px;
}

.fl-render-out ul {
    list-style: disc;
}

.fl-render-out ol {
    list-style: decimal;
}

.fl-render-out p {
    margin: 0;
}

.fl-render-out h1,
.fl-render-out h2,
.fl-render-out h3 {
    margin: 0;
    font-weight: 700;
}

.fl-render-out .fl-r-a {
    color: #1d4ed8;
    text-decoration: underline;
}

.fl-render-out .fl-r-btn {
    display: inline-block;
    border: 1px solid #9ca3af;
    border-radius: 3px;
    padding: 1px 8px;
    background: #efefef;
    font: 13px system-ui, sans-serif;
}

.fl-raw {
    font-family: var(--fl-mono);
    font-size: 15px;
    white-space: pre-wrap;
}

/* kod satırı + boşluk yuvası */
.fl-codeline {
    background: var(--fl-console);
    color: var(--fl-console-fg);
    border-radius: 12px;
    padding: 18px 16px;
    font: 500 clamp(14px, 3.4vw, 18px)/1.6 var(--fl-mono);
    overflow-x: auto;
}

.fl-codeline.is-center {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.fl-codeline pre {
    margin: 0;
    font: inherit;
    white-space: pre;
}

.fl-codeline .tk {
    color: var(--fl-c-tag);
    white-space: pre;
}

.fl-slot {
    display: inline-grid;
    place-items: center;
    vertical-align: middle;
    min-width: 58px;
    height: 34px;
    padding: 0 8px;
    margin: 0 2px;
    border: 2px dashed var(--fl-c-dim);
    border-radius: 7px;
    color: var(--fl-c-warn) !important;
    font: inherit;
    background: transparent;
}

.fl-slot.filled {
    border-style: solid;
    border-color: var(--fl-c-warn);
}

.fl-slot.right {
    border-color: var(--fl-c-ok);
    color: var(--fl-c-ok) !important;
}

.fl-slot.wrong {
    border-color: var(--fl-c-bad);
    color: var(--fl-c-bad) !important;
}

.fl-caret {
    width: 2px;
    height: 20px;
    background: var(--fl-c-warn);
    animation: fl-blink 1s steps(1) infinite;
}

@keyframes fl-blink {
    50% {
        opacity: 0;
    }
}

.fl-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.fl-chips .fl-key {
    font-family: var(--fl-mono);
    font-size: 16px;
    min-width: 64px;
}

.fl-chips .fl-key.used {
    visibility: hidden;
}

/* eşleştirme */
.fl-match {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 10px;
}

.fl-match .col {
    display: grid;
    gap: 10px;
    align-content: start;
}

.fl-mitem {
    padding: 13px 10px;
    border-radius: 10px;
    border: 2px dashed var(--fl-line-2);
    background: transparent;
    color: var(--fl-fg);
    font-weight: 600;
    font-size: 15px;
    text-align: center;
    overflow-wrap: anywhere;
    transition: border-color .15s, background .15s;
}

.fl-mitem.is-code {
    font-family: var(--fl-mono);
    font-size: 14px;
}

.fl-mitem:hover:not([disabled]) {
    border-color: var(--fl-muted);
}

.fl-mitem.sel {
    border-style: solid;
    border-color: var(--fl-brand);
    background: color-mix(in srgb, var(--fl-brand) 12%, transparent);
}

.fl-mitem.ok {
    border-style: solid;
    border-color: var(--fl-c-ok);
    background: color-mix(in srgb, var(--fl-c-ok) 10%, transparent);
    color: var(--fl-c-ok);
    opacity: .7;
    cursor: default;
}

.fl-mitem.shake {
    animation: fl-shake .35s;
    border-style: solid;
    border-color: var(--fl-c-bad);
}

@keyframes fl-shake {
    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

/* kod adımı */
.fl-ide {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    border: 1px solid var(--fl-line);
    border-radius: 12px;
    overflow: hidden;
    /* clip: köşeler yine kırpılır ama kaydırma kabı oluşmaz, böylece üst çubuk (Başa al) yapışkan kalabilir */
    overflow: clip;
}

.fl-ide-pane {
    display: grid;
    grid-template-rows: auto 1fr;
    min-width: 0;
}

.fl-ide-pane+.fl-ide-pane {
    border-left: 1px solid var(--fl-line);
}

.fl-ide-label {
    font: 600 12px var(--fl-mono);
    color: var(--fl-muted);
    padding: 8px 12px;
    background: var(--fl-surface-2);
    border-bottom: 1px solid var(--fl-line);
    display: flex;
    gap: 8px;
    align-items: center;
    /* editörde aşağı yazarken dosya adı ve Başa al düğmesi ekranın üstünde kalsın */
    position: sticky;
    top: 0;
    z-index: 3;
}

.fl-ide-label::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--fl-brand);
}

.fl-ide iframe {
    width: 100%;
    height: 100%;
    min-height: 200px;
    border: 0;
    background: #fff;
}

/* PHP kursu: tarayıcıda çalışmayan kod için önizleme yerine beklenen çıktı */
.fl-out {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 200px;
    padding: 12px;
    background: var(--fl-surface-2);
}

.fl-out pre {
    margin: 0;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--fl-line);
    background: var(--fl-surface, #fff);
    color: var(--fl-fg);
    font: 13px/1.55 var(--fl-mono);
    white-space: pre-wrap;
    word-break: break-word;
}

.fl-out-note {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--fl-muted);
}

.fl-hint-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.fl-hint {
    flex: 1 1 240px;
    font-size: 14px;
    color: var(--fl-fg);
    background: var(--fl-surface);
    border: 1px dashed var(--fl-line-2);
    border-radius: 10px;
    padding: 10px 12px;
    margin: 0;
}

/* kod editörü (Monaco ya da yedek metin alanı) */
.fl-ide-label .fl-ide-tool {
    margin-left: auto;
    border: 0;
    background: none;
    color: var(--fl-muted);
    font: 600 12px var(--fl-mono);
    padding: 2px 6px;
    border-radius: 6px;
    display: inline-flex;
    gap: 6px;
    align-items: center;
}

.fl-ide-label .fl-ide-tool:hover {
    color: var(--fl-fg);
    background: var(--fl-surface);
}

.fl-ed {
    height: 280px;
    background: var(--fl-console);
    position: relative;
}

.fl-ed-load {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--fl-c-dim);
    font: 600 14px var(--fl-mono);
}

.fl-ed-ta {
    display: block;
    width: 100%;
    height: 100%;
    resize: none;
    border: 0;
    padding: 12px;
    background: var(--fl-console);
    color: var(--fl-console-fg);
    font: 500 15px/1.6 var(--fl-mono);
    tab-size: 2;
}

.fl-ed-ta:focus-visible {
    outline: 0;
}

/* üst çubuk: AI asistanı ve tartışma */
.fl-tools {
    display: flex;
    gap: 8px;
    align-items: center;
    flex: none;
}

.fl-tool {
    position: relative;
    gap: 7px;
}

.fl-tool i {
    font-size: 14px;
}

.fl-tool-ai {
    --face: color-mix(in srgb, #8b5cf6 22%, var(--fl-surface-2));
    --edge: color-mix(in srgb, #8b5cf6 55%, var(--fl-line));
}

.fl-tool-ai i {
    color: #c4b5fd;
}

.fl-tool-count {
    position: absolute;
    top: -7px;
    right: -7px;
}

.fl-ci-ai {
    margin-top: 10px;
    display: inline-flex;
    gap: 8px;
    align-items: center;
    border: 1px solid color-mix(in srgb, #a78bfa 55%, transparent);
    background: color-mix(in srgb, #8b5cf6 18%, transparent);
    color: #ddd6fe;
    border-radius: 8px;
    padding: 6px 11px;
    font: 600 13px var(--fl-mono);
    cursor: pointer;
}

.fl-ci-ai:hover {
    background: color-mix(in srgb, #8b5cf6 30%, transparent);
}

@media (max-width: 720px) {
    .fl-tool-txt {
        display: none;
    }

    .fl-tool {
        padding-left: 10px;
        padding-right: 10px;
    }
}

@media (max-width: 480px) {
    .fl-top-in {
        gap: 10px;
    }

    .fl-top .fl-cup {
        width: 20px;
        height: 20px;
    }

    .fl-top .fl-cups {
        gap: 1px;
    }

    .fl-tools {
        gap: 6px;
    }
}

/* alt çubuk + CI çıktısı */
.fl-foot {
    border-top: 1px solid var(--fl-line);
    background: var(--fl-bg);
    padding: 12px max(16px, env(safe-area-inset-right, 0px)) calc(12px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
}

.fl-foot-in {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.fl-foot-row {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.fl-foot-row #fl-main {
    margin-left: auto;
}

.fl-ci {
    background: var(--fl-console);
    color: var(--fl-console-fg);
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    gap: 12px;
    align-items: flex-end;
    border: 1px solid transparent;
    max-height: 42vh;
    overflow-y: auto;
}

.fl-ci.pass {
    border-color: color-mix(in srgb, var(--fl-c-ok) 45%, transparent);
}

.fl-ci.fail {
    border-color: color-mix(in srgb, var(--fl-c-bad) 45%, transparent);
}

.fl-ci .col {
    flex: 1;
    min-width: 0;
}

.fl-ci .lines {
    min-width: 0;
    font: 500 13px/1.6 var(--fl-mono);
}

.fl-ci .ln {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    opacity: 0;
    animation: fl-lnin .2s forwards;
}

.fl-ci .ln:nth-child(2) {
    animation-delay: .12s;
}

.fl-ci .ln:nth-child(3) {
    animation-delay: .24s;
}

.fl-ci .ln:nth-child(4) {
    animation-delay: .36s;
}

.fl-ci .ln:nth-child(5) {
    animation-delay: .48s;
}

.fl-ci .ln:nth-child(n+6) {
    animation-delay: .6s;
}

@keyframes fl-lnin {
    to {
        opacity: 1;
    }
}

.fl-ci .msg {
    font-weight: 500;
    font-size: 14px;
    line-height: 1.5;
    color: var(--fl-console-fg);
    margin: 6px 0 0;
    opacity: 0;
    animation: fl-lnin .2s .3s forwards;
}

.fl-ci .p,
.fl-ci .dim {
    color: var(--fl-c-dim);
}

.fl-ci .g {
    color: var(--fl-c-ok);
}

.fl-ci .r {
    color: var(--fl-c-bad);
}

.fl-ci .y {
    color: var(--fl-c-warn);
}

.fl-ci .pati {
    flex: none;
}

/* bitiş */
.fl-done {
    max-width: 520px;
    margin: 0 auto;
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 16px;
    padding-top: 6px;
    animation: fl-in .3s ease-out;
}

.fl-done h2 {
    font-size: 28px;
    font-weight: 800;
    margin: 0;
    color: var(--fl-fg);
}

.fl-done .fl-ci {
    width: 100%;
    text-align: left;
}

.fl-note {
    color: var(--fl-muted);
    font-size: 14px;
    margin: 0;
}

.fl-rewards {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.fl-reward {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    background: var(--fl-surface);
    border: 1px solid var(--fl-line);
    border-radius: 8px;
    padding: 6px 10px;
    font: 600 12px var(--fl-mono);
}

.fl-reward i {
    color: var(--fl-warn);
}

.fl-modal {
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(5, 10, 20, .62);
    display: grid;
    place-items: center;
    padding: 16px;
}

.fl-modal-box {
    background: var(--fl-surface);
    color: var(--fl-fg);
    border: 1px solid var(--fl-line);
    border-radius: 18px;
    padding: 22px;
    max-width: 380px;
    width: 100%;
    display: grid;
    gap: 12px;
    justify-items: center;
    text-align: center;
}

.fl-modal-box h3 {
    font-size: 20px;
    font-weight: 800;
    margin: 0;
}

.fl-modal-box p {
    color: var(--fl-muted);
    font-size: 14px;
    margin: 0;
}

.fl-modal-box .fl-key {
    width: 100%;
    margin-top: 4px;
}

@media (max-width: 600px) {
    .fl-ide {
        grid-template-columns: minmax(0, 1fr);
    }

    .fl-ide-pane+.fl-ide-pane {
        border-left: 0;
        border-top: 1px solid var(--fl-line);
    }

    .fl-ide iframe,
    .fl-out {
        min-height: 150px;
    }

    .fl-ed {
        height: 220px;
    }

    .fl-key.wide {
        min-width: 0;
        flex: 1;
    }

    .fl-ci .pati {
        display: none;
    }

    .fl-match {
        gap: 8px;
    }

    .fl-mitem {
        font-size: 14px;
        padding: 12px 8px;
    }
}

/* ==========================================================================
   Kurs sayfası: öğrenme yolu (.cbp)
   Duolingo zikzak yolu + Coddy'nin görünür ders başlıkları ve "kaldığın yer" kartı + CodeBlanks tuş/boşluk dili
   ========================================================================== */
.cbp {
    --k: 1.45;
    --stop: 100px;
    display: grid;
    gap: 30px;
    color: var(--fl-fg);
}

.cbp [hidden] {
    display: none !important;
}

/* kaldığın yer */
.cbp-resume {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--fl-surface);
    border: 1px solid var(--fl-line);
    border-radius: 16px;
}

.cbp-resume .pati {
    flex: none;
}

.cbp-resume-txt {
    flex: 1;
    min-width: 0;
    display: grid;
    gap: 3px;
}

.cbp-kicker {
    font: 700 12px var(--fl-mono);
    color: var(--fl-brand);
}

.cbp-kicker::before {
    content: "// ";
    opacity: .7;
}

.cbp-resume-txt strong {
    font-size: 18px;
    font-weight: 800;
    line-height: 1.25;
}

.cbp-meta {
    font-size: 13px;
    color: var(--fl-muted);
}

.cbp-tbar {
    font: 600 12px var(--fl-mono);
    color: var(--fl-muted);
    white-space: nowrap;
    overflow: hidden;
    margin-top: 4px;
}

.cbp-tbar b {
    color: var(--fl-brand);
    font-weight: 600;
    letter-spacing: -1px;
}

.cbp-tbar i {
    font-style: normal;
    letter-spacing: -1px;
    opacity: .55;
}

.cbp-resume-go {
    flex: none;
}

/* ünite başlığı */
.cbp-unit {
    display: grid;
    gap: 6px;
}

.cbp-banner {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 15px 18px 13px;
    border-radius: 16px;
    color: #04221f;
    background: linear-gradient(var(--uc), color-mix(in srgb, var(--uc) 86%, #000));
    border: 1px solid color-mix(in srgb, var(--uc) 55%, #000);
    border-bottom-width: 5px;
}

.cbp-unit.is-quiet .cbp-banner {
    background: var(--fl-surface-2);
    color: var(--fl-fg);
    border-color: var(--fl-line);
}

.cbp-banner-txt {
    flex: 1;
    min-width: 0;
}

.cbp-eyebrow {
    font: 700 11px var(--fl-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    opacity: .75;
}

.cbp-banner h3 {
    font-size: 19px;
    font-weight: 800;
    margin: 2px 0 0;
    line-height: 1.25;
    color: inherit;
}

.cbp-banner p {
    font-size: 13px;
    margin: 3px 0 0;
    opacity: .8;
}

.cbp-unit.is-quiet .cbp-banner p,
.cbp-unit.is-quiet .cbp-eyebrow {
    color: var(--fl-muted);
    opacity: 1;
}

/* Sitenin koyu tema metin rengi (p, h3) renkli ünite başlığında okunmuyordu: renk burada açıkça verilir */
.cbp .cbp-unit .cbp-banner h3,
.cbp .cbp-unit .cbp-banner p,
.cbp .cbp-unit .cbp-eyebrow {
    color: #04221f;
}

.cbp .cbp-unit .cbp-banner p {
    opacity: .85;
}

.cbp .cbp-unit.is-quiet .cbp-banner h3 {
    color: var(--fl-fg);
}

.cbp .cbp-unit.is-quiet .cbp-banner p,
.cbp .cbp-unit.is-quiet .cbp-eyebrow {
    color: var(--fl-muted);
    opacity: 1;
}

.cbp-banner-prog {
    flex: none;
    display: grid;
    justify-items: end;
    gap: 6px;
}

.cbp-cells {
    display: flex;
    gap: 3px;
}

.cbp-cells i {
    width: 11px;
    height: 11px;
    border-radius: 3px;
    border: 1.5px dashed currentColor;
    opacity: .55;
}

.cbp-cells i.on {
    border-style: solid;
    background: currentColor;
    opacity: .9;
}

.cbp-cells i.cur {
    border-style: solid;
    opacity: 1;
    animation: fl-blink 1.2s steps(1) infinite;
}

.cbp-count {
    font: 700 12px var(--fl-mono);
    opacity: .8;
}

/* yol */
.cbp-path {
    position: relative;
    padding: 26px 0 6px;
}

.cbp-trail {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
}

.cbp-trail path {
    fill: none;
    stroke: var(--fl-line-2);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 1 11;
}

.cbp-trail path.lit {
    stroke: var(--uc);
    stroke-dasharray: none;
    stroke-width: 5;
    opacity: .5;
}

.cbp-stop {
    --w: 66px;
    position: relative;
    height: var(--stop);
}

.cbp-stop.is-open {
    z-index: 8;
}

.cbp-stop:has(.is-current) {
    margin-top: 14px;
}

.cbp-node {
    --face: var(--uc);
    --edge: color-mix(in srgb, var(--uc) 55%, #000);
    position: absolute;
    top: 12px;
    left: calc(50% + var(--dx) * var(--k) * 1px);
    margin-left: calc(var(--w) / -2);
    width: var(--w);
    height: 62px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    font-size: 22px;
    color: #04221f;
    cursor: pointer;
    background: linear-gradient(var(--face), color-mix(in srgb, var(--face) 84%, #000));
    border: 1px solid var(--edge);
    border-bottom-width: 6px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 3px 10px rgba(0, 0, 0, .25);
    transition: transform .07s, border-bottom-width .07s, height .07s;
    -webkit-tap-highlight-color: transparent;
}

.cbp-node:active {
    transform: translateY(4px);
    border-bottom-width: 2px;
}

.cbp-node:active::after {
    content: "";
    position: absolute;
    inset: -9px -1px -1px;
}

.cbp-node:focus-visible {
    outline: 3px solid var(--fl-fg);
    outline-offset: 4px;
}

.cbp-node.is-quiz {
    --w: 84px;
    border-radius: 24px;
    font-size: 24px;
}

.cbp-node.is-current {
    height: 66px;
    top: 10px;
}

.cbp-node.is-current::before {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 26px;
    border: 3px solid var(--uc);
    opacity: .4;
    animation: cbp-ring 1.8s ease-out infinite;
    pointer-events: none;
}

@keyframes cbp-ring {
    0% {
        transform: scale(.92);
        opacity: .55;
    }

    100% {
        transform: scale(1.16);
        opacity: 0;
    }
}

/* henüz açılmamış ders = boş tuş (boşluk motifi) */
.cbp-node.is-upcoming {
    background: var(--fl-bg);
    color: var(--fl-muted);
    border: 2.5px dashed var(--fl-line-2);
    box-shadow: none;
}

.cbp-node.is-upcoming:hover {
    border-style: solid;
    border-color: var(--uc);
    color: var(--uc);
}

.cbp-node.is-upcoming:active {
    transform: none;
}

.cbp-check {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 11px;
    background: var(--fl-bg);
    color: var(--fl-ok);
    border: 2px solid var(--fl-ok);
}

.cbp-tag {
    position: absolute;
    top: -16px;
    left: calc(50% + var(--dx) * var(--k) * 1px);
    transform: translateX(-50%);
    z-index: 2;
    white-space: nowrap;
    pointer-events: none;
    font: 700 12px var(--fl-mono);
    letter-spacing: .06em;
    color: var(--uc);
    background: var(--fl-surface);
    border: 2px solid var(--uc);
    border-radius: 8px;
    padding: 3px 9px;
    animation: cbp-tag 1.6s ease-in-out infinite;
}

.cbp-tag::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    width: 8px;
    height: 8px;
    background: var(--fl-surface);
    border-right: 2px solid var(--uc);
    border-bottom: 2px solid var(--uc);
    transform: translate(-50%, -4px) rotate(45deg);
}

@keyframes cbp-tag {
    50% {
        transform: translate(-50%, -4px);
    }
}

/* ders başlığı (Coddy gibi her zaman görünür) */
.cbp-label {
    position: absolute;
    top: 14px;
    height: 58px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    min-width: 0;
    pointer-events: none;
}

.cbp-stop.lab-right .cbp-label {
    left: calc(50% + var(--dx) * var(--k) * 1px + var(--w) / 2 + 16px);
    right: 0;
    text-align: left;
}

.cbp-stop.lab-left .cbp-label {
    right: calc(50% - var(--dx) * var(--k) * 1px + var(--w) / 2 + 16px);
    left: 0;
    text-align: right;
}

.cbp-label-t {
    font-weight: 700;
    font-size: 15px;
    line-height: 1.25;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.cbp-label small {
    font: 500 12px var(--fl-mono);
    color: var(--fl-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cbp-stop:has(.is-upcoming) .cbp-label-t {
    color: var(--fl-muted);
    font-weight: 600;
}

.cbp-stop:has(.is-current) .cbp-label-t {
    color: var(--uc);
}

/* açılır kart */
.cbp-pop {
    position: absolute;
    top: calc(var(--stop) - 6px);
    left: calc(50% + var(--dx) * var(--k) * 1px);
    transform: translateX(calc(-50% + var(--shift, 0px)));
    width: 270px;
    max-width: calc(100vw - 32px);
    z-index: 6;
    display: grid;
    gap: 6px;
    padding: 14px;
    text-align: left;
    background: var(--fl-surface);
    border: 2px solid var(--uc);
    border-radius: 14px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, .35);
}

.cbp-pop.is-quiet {
    border-color: var(--fl-line-2);
}

.cbp-pop strong {
    font-size: 16px;
    line-height: 1.3;
}

.cbp-pop-meta {
    font: 500 12px var(--fl-mono);
    color: var(--fl-muted);
}

.cbp-pop-note {
    font-size: 13px;
    color: var(--fl-muted);
}

.cbp-pop .fl-key {
    margin-top: 6px;
    width: 100%;
}

/* Pati yol kenarında */
.cbp-pati {
    position: absolute;
    top: calc(26px + var(--row) * var(--stop) - 4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    pointer-events: none;
}

.cbp-pati.is-right {
    right: 1%;
}

.cbp-pati.is-left {
    left: 1%;
}

.cbp-bubble {
    background: var(--fl-surface);
    border: 1px solid var(--fl-line);
    border-radius: 10px;
    padding: 5px 9px;
    font-size: 12px;
    font-weight: 700;
    max-width: 140px;
    text-align: center;
    line-height: 1.3;
}

@media (max-width: 640px) {
    .cbp {
        --k: .62;
        --stop: 96px;
    }

    .cbp-resume {
        flex-wrap: wrap;
    }

    .cbp-resume .pati {
        width: 58px;
        height: 58px;
    }

    .cbp-resume-go {
        flex: 1 1 100%;
        min-width: 0;
    }

    .cbp-label-t {
        font-size: 13px;
    }

    .cbp-label small {
        font-size: 11px;
    }

    .cbp-stop {
        --w: 60px;
    }

    .cbp-node {
        height: 58px;
        font-size: 20px;
    }

    .cbp-node.is-quiz {
        --w: 74px;
    }

    .cbp-pati,
    .cbp-banner p {
        display: none;
    }

    .cbp-banner {
        padding: 13px 14px 11px;
    }
}

/* Sitenin genel p rengi Pati'nin konuşma balonunu soluklaştırıyordu */
.fl .fl-say .fl-bubble {
    color: var(--fl-fg);
}

/* kutu modeli görseli (geliştirici araçlarındaki gibi iç içe katmanlar); adım HTML'inde class ile kullanılır:
   <div class="fl-boxm"><div class="fl-bm fl-bm-m"><span class="fl-bm-t">margin</span><div class="fl-bm fl-bm-b">…<div class="fl-bm-c">içerik</div>… */
.fl-boxm {
    display: grid;
    gap: 10px;
    font: 600 12px var(--fl-mono);
}

.fl-bm {
    position: relative;
    padding: 26px 18px 14px;
    border-radius: 10px;
    border: 2px solid var(--bmc);
    background: color-mix(in srgb, var(--bmc) 16%, var(--fl-surface));
    min-width: 0;
}

.fl-bm-m {
    --bmc: #f59e0b;
    border-style: dashed;
}

.fl-bm-b {
    --bmc: #facc15;
    border-width: 4px;
}

.fl-bm-p {
    --bmc: #84cc16;
}

.fl-bm-t {
    position: absolute;
    top: 5px;
    left: 10px;
    color: var(--bmc);
    letter-spacing: .02em;
}

.fl-bm-c {
    display: grid;
    place-items: center;
    min-height: 48px;
    padding: 8px;
    border-radius: 6px;
    border: 2px solid #38bdf8;
    background: color-mix(in srgb, #38bdf8 22%, var(--fl-surface));
    color: var(--fl-fg);
    font: 700 14px var(--fl-mono);
    text-align: center;
}

html[data-theme="light"] .fl-bm-t {
    color: color-mix(in srgb, var(--bmc) 60%, #000);
}

@media (max-width: 400px) {
    .fl-bm {
        padding: 24px 10px 10px;
    }
}

/* ==========================================================================
   Anlatım ekranı (.fl-read): parça parça açılan içerik, vurgular, kod pencereleri
   ========================================================================== */
.fl-dots {
    display: flex;
    gap: 5px;
    margin-top: -8px;
}

.fl-dots:empty {
    display: none;
}

.fl-dots i {
    width: 18px;
    height: 4px;
    border-radius: 2px;
    background: var(--fl-line);
    transition: background .25s, width .25s;
}

.fl-dots i.on {
    background: var(--fl-brand);
    width: 26px;
}

.fl-read {
    display: grid;
    gap: 18px;
    max-width: 66ch;
    font-size: 16.5px;
    line-height: 1.7;
}

.fl-read>*+* {
    margin-top: 0;
}

.fl-chunk {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.fl-chunk.is-hidden {
    display: none !important;
}

.fl-chunk.is-in {
    animation: fl-chunk-in .35s cubic-bezier(.2, .8, .3, 1);
}

@keyframes fl-chunk-in {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
}

.fl-read .fl-lead-p {
    font-size: 18.5px;
    line-height: 1.6;
    color: var(--fl-fg);
}

.fl-read p {
    color: color-mix(in srgb, var(--fl-fg) 88%, var(--fl-muted));
}

/* önemli kavram: fosforlu kalem */
.fl-read strong {
    color: var(--fl-fg);
    font-weight: 700;
    background: linear-gradient(transparent 58%, color-mix(in srgb, var(--fl-brand) 32%, transparent) 58%, color-mix(in srgb, var(--fl-brand) 32%, transparent) 92%, transparent 92%);
    padding: 0 2px;
    border-radius: 2px;
}

.fl-read em {
    color: var(--fl-fg);
}

.fl-read :not(pre)>code {
    color: var(--fl-c-tag);
    background: color-mix(in srgb, var(--fl-brand) 10%, var(--fl-surface));
    border: 1px solid color-mix(in srgb, var(--fl-brand) 28%, var(--fl-line));
    border-bottom-width: 2px;
    border-radius: 6px;
    padding: 1px 6px;
    font-size: .86em;
}

html[data-theme="light"] .fl-read :not(pre)>code {
    color: #0f766e;
}

/* listeler: ok işaretli satırlar, numaralı listede tuş rozetleri */
.fl-read ul,
.fl-read ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
    counter-reset: fl-ol;
}

.fl-read li {
    position: relative;
    padding: 10px 12px 10px 40px;
    background: var(--fl-surface);
    border: 1px solid var(--fl-line);
    border-radius: 10px;
    line-height: 1.55;
}

.fl-read ul>li::before {
    content: "→";
    position: absolute;
    left: 14px;
    top: 10px;
    font: 700 15px var(--fl-mono);
    color: var(--fl-brand);
}

.fl-read ol>li {
    counter-increment: fl-ol;
}

.fl-read ol>li::before {
    content: counter(fl-ol);
    position: absolute;
    left: 10px;
    top: 10px;
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    font: 700 12px var(--fl-mono);
    color: var(--fl-brand-ink);
    background: var(--fl-brand);
    border-radius: 6px;
    box-shadow: 0 2px 0 var(--fl-brand-deep);
}

/* kod penceresi */
.fl-codewin {
    border: 1px solid var(--fl-line);
    border-radius: 12px;
    overflow: hidden;
    background: var(--fl-console);
    min-width: 0;
}

.fl-codewin-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px 8px 12px;
    background: color-mix(in srgb, var(--fl-console) 70%, #1e293b);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    font: 600 12px var(--fl-mono);
    color: var(--fl-c-dim);
}

.fl-codewin-bar>i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #334155;
}

.fl-codewin-bar>i:nth-child(1) {
    background: #f87171;
}

.fl-codewin-bar>i:nth-child(2) {
    background: #fbbf24;
}

.fl-codewin-bar>i:nth-child(3) {
    background: #4ade80;
}

.fl-codewin-bar span {
    margin-left: 8px;
}

.fl-codewin-run {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid color-mix(in srgb, var(--fl-brand) 45%, transparent);
    background: color-mix(in srgb, var(--fl-brand) 14%, transparent);
    color: #5eead4;
    border-radius: 7px;
    padding: 4px 10px;
    font: 700 12px var(--fl-mono);
    cursor: pointer;
}

.fl-codewin-run:hover {
    background: color-mix(in srgb, var(--fl-brand) 26%, transparent);
}

.fl-read .fl-codewin pre {
    margin: 0;
    border-radius: 0;
    background: none;
    padding: 14px 16px;
    overflow-x: auto;
    font: 500 14px/1.65 var(--fl-mono);
    color: var(--fl-console-fg);
}

.fl-read .fl-codewin pre code {
    background: none;
    border: 0;
    padding: 0;
    color: inherit;
    font: inherit;
}

.fl-codewin .t-b {
    color: #64748b;
}

.fl-codewin .t-t {
    color: #5eead4;
}

.fl-codewin .t-a {
    color: #fcd34d;
}

.fl-codewin .t-v {
    color: #86efac;
}

.fl-codewin .t-c {
    color: #64748b;
    font-style: italic;
}

.fl-codewin .t-s {
    color: #5eead4;
}

.fl-codewin .t-p {
    color: #93c5fd;
}

.fl-codewin .t-n {
    color: #fda4af;
}

.fl-codewin-out {
    border-top: 1px solid rgba(255, 255, 255, .08);
    background: #fff;
    position: relative;
}

.fl-codewin-out-label {
    position: absolute;
    top: 6px;
    right: 8px;
    font: 600 10px var(--fl-mono);
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.fl-codewin-out iframe {
    display: block;
    width: 100%;
    height: 120px;
    border: 0;
    background: #fff;
}

.fl-say.fl-chunk {
    display: flex;
}

@media (max-width: 600px) {
    .fl-read {
        font-size: 16px;
    }

    .fl-read .fl-lead-p {
        font-size: 17px;
    }

    .fl-read .fl-codewin pre {
        font-size: 13px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .fl *,
    .cbp *,
    .fl-modal *,
    .pati * {
        animation: none !important;
        transition: none !important;
    }

    .fl-ci .ln,
    .fl-ci .msg {
        opacity: 1;
    }
}

@media (hover: none) {
    .fl-key kbd {
        display: none;
    }
}

/* ==========================================================================
   Ders notları içeriği (.fln-body): akış oynatıcısındaki Ders notları paneli ve açık ders sayfası ortak kullanır
   ========================================================================== */
.fln-body {
    overflow-y: auto;
    padding: 1rem 1.15rem 2rem;
    line-height: 1.65;
}

.fln-body h1 {
    font-size: 1.35rem;
    margin: .2rem 0 .5rem;
}

.fln-body h2 {
    font-size: 1.05rem;
    margin: 1.4rem 0 .4rem;
}

.fln-body pre {
    overflow-x: auto;
    padding: .7rem .8rem;
    border-radius: 10px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: .85rem;
}

.fln-body code {
    font-size: .88em;
}

.fln-course {
    margin: 0;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.fln-course a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 700;
}

.fln-summary {
    color: var(--color-text-light);
    margin-top: 0;
}

.fln-next {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
    font-size: .92rem;
}

.fln-tag {
    display: inline-block;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
    padding: .12rem .45rem;
    border-radius: 6px;
    vertical-align: 2px;
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 14%, transparent);
}

.fln-reveal {
    margin: .6rem 0 0;
    border: 1px dashed var(--color-border);
    border-radius: 10px;
    padding: .45rem .7rem;
}

.fln-reveal summary {
    cursor: pointer;
    font-size: .85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.fln-reveal[open] summary {
    margin-bottom: .4rem;
}

.fln-reveal pre {
    margin: .3rem 0 0;
}

.fln-quiz ol {
    padding-left: 1.2rem;
    margin: 0;
}

.fln-quiz>ol>li {
    margin-bottom: 1.1rem;
}

.fln-q {
    margin: 0 0 .4rem;
    font-weight: 600;
}

.fln-opts {
    margin: 0;
    padding-left: 1.1rem;
    font-size: .92rem;
}

.fln-pairs {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .25rem .8rem;
    margin: 0;
    font-size: .92rem;
}

.fln-pairs dt {
    font-family: var(--font-mono, monospace);
    font-weight: 600;
}

.fln-pairs dd {
    margin: 0;
    color: var(--color-text-light);
}

.fln-gap {
    border-bottom: 2px solid var(--color-primary);
    color: transparent;
}

/* Kilitli ders düğümü (yalnızca giriş yapmış öğrencinin haritasında) ve ünite atlama çipi */
.cbp-node.is-locked {
    opacity: .55;
    border-style: dashed;
    cursor: default;
}

.cbp-node.is-locked i {
    font-size: .9em;
}

.cbp-jump {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: .45rem;
    padding: .2rem .65rem;
    border-radius: 99px;
    border: 1px solid color-mix(in srgb, var(--uc, var(--fl-brand)) 60%, transparent);
    color: var(--uc, var(--fl-brand));
    font: 700 .74rem 'JetBrains Mono', Consolas, monospace;
    letter-spacing: .03em;
    text-decoration: none;
    background: color-mix(in srgb, var(--uc, var(--fl-brand)) 10%, transparent);
}

.cbp-jump:hover {
    background: color-mix(in srgb, var(--uc, var(--fl-brand)) 20%, transparent);
    color: var(--uc, var(--fl-brand));
}

/* ==========================================================================
   Ders ekranı · klasik oynatıcının dili (show.php): sakin kartlar, düz "mürekkep" ana düğme,
   tek eylem (sağ üstte) ve tek geri bildirim yeri (adımın kendi kartı).
   Kod adımında (.ws-on) solda görev kartı, sağda editör + tarayıcı çerçeveli önizleme.
   ========================================================================== */
.fl {
    --lp-teal: #0d9488;
    --lp-act: #111827;
    --lp-act-hover: #273244;
    --lp-act-ink: #ffffff;
    --lp-chip: #f3f4f6;
    --lp-chip-line: #e5e7eb;
    --lp-chip-ink: #374151;
    --lp-soft: #f8fafc;
    --lp-ok: #10b981;
    --lp-bad: #ef4444;
    --fl-brand: var(--lp-teal);
    --fl-brand-deep: color-mix(in srgb, var(--lp-teal) 70%, #000);
    font-family: var(--font-family-sans, 'Inter', sans-serif);
}

html[data-theme='dark'] .fl {
    --lp-teal: #2bb8a6;
    --lp-act: #eef2f7;
    --lp-act-hover: #ffffff;
    --lp-act-ink: #0b1220;
    --lp-chip: rgba(255, 255, 255, .06);
    --lp-chip-line: rgba(255, 255, 255, .09);
    --lp-chip-ink: #cbd5e1;
    --lp-soft: rgba(255, 255, 255, .03);
    --lp-ok: #34d399;
    --lp-bad: #f87171;
}

.fl-modal {
    --lp-act: #111827;
    --lp-act-ink: #ffffff;
    --lp-ok: #10b981;
    --lp-soft: #f8fafc;
}

html[data-theme='dark'] .fl-modal {
    --lp-act: #eef2f7;
    --lp-act-ink: #0b1220;
    --lp-ok: #34d399;
    --lp-soft: rgba(255, 255, 255, .03);
}

/* düğmeler: düz, klavye tuşu derinliği yok */
.fl .fl-key,
.fl-modal .fl-key {
    border-bottom-width: 1px;
    box-shadow: none;
    border-radius: 10px;
    padding: 9px 14px;
    background: var(--fl-surface-2);
    letter-spacing: 0;
}

.fl .fl-key:active:not([disabled]),
.fl .fl-key.is-down,
.fl-modal .fl-key:active:not([disabled]) {
    transform: none;
    border-bottom-width: 1px;
    padding: 9px 14px;
}

.fl .fl-key.sm {
    padding: 6px 11px;
}

.fl .fl-key.primary,
.fl .fl-key.danger,
.fl-modal .fl-key.primary {
    --ink: var(--lp-act-ink);
    background: var(--lp-act);
    border-color: transparent;
}

.fl .fl-key.primary:hover:not([disabled]),
.fl .fl-key.danger:hover:not([disabled]),
.fl-modal .fl-key.primary:hover {
    background: var(--lp-act-hover, var(--lp-act));
}

.fl .fl-key.success {
    --ink: #052e16;
    background: var(--lp-ok);
    border-color: transparent;
}

.fl .fl-key[disabled] {
    background: var(--fl-surface-2);
    border-color: var(--fl-line);
}

.fl-xp {
    font-size: 11px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 14%, transparent);
}

/* ---------- üst çubuk ---------- */
.fl-top {
    position: relative;
    background: var(--fl-surface);
    padding-top: calc(env(safe-area-inset-top, 0px) + 10px);
    padding-bottom: 10px;
}

.fl .fl-top-in {
    max-width: none;
    gap: 10px;
}

.fl-titles {
    min-width: 0;
    line-height: 1.25;
}

.fl-titles small {
    display: block;
    font-size: 11px;
    color: var(--fl-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fl-titles b {
    display: block;
    font-size: 15px;
    color: var(--fl-fg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fl-top-sp {
    flex: 1;
}

.fl-stepn {
    font-size: 13px;
    color: var(--fl-muted);
    white-space: nowrap;
}

.fl-prog {
    position: absolute;
    left: 0;
    bottom: -1px;
    height: 2px;
    width: 0;
    background: var(--lp-teal);
    transition: width .4s ease;
}

/* Düğmeler sayfanın altındaki çubukta (Atla solda, ana düğme sağda) */
.fl .fl-foot {
    background: var(--fl-surface);
}

/* Kod adımında ana düğme editörün üst çubuğunda */
.fl-ed-acts {
    display: inline-flex;
}

.fl-ed-acts .fl-key {
    min-width: 0;
    padding: 5px 12px;
    font-size: 13px;
}

.fl-ed-acts .fl-key kbd {
    display: none;
}

@media (max-width: 720px) {
    .fl-foot-row .fl-key.wide {
        flex: 1 1 auto;
        min-width: 0;
    }
}

/* ---------- adım içeriği ---------- */
.fl-step {
    max-width: 720px;
    gap: 18px;
}

.fl-step h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.fl-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fl-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--lp-chip);
    border: 1px solid var(--lp-chip-line);
    color: var(--lp-chip-ink);
    font-size: 12px;
    font-weight: 600;
}

.fl-pill i {
    color: var(--lp-teal);
}

/* soru kartı (klasik quiz kartı, tek soru) */
.fl-q {
    display: grid;
    gap: 16px;
    padding: 22px;
    border-radius: 16px;
    background: var(--lp-soft);
    border: 1px solid var(--fl-line);
}

.fl-q-head {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.fl-q-head h2 {
    margin: 0;
    font-size: clamp(18px, 2.2vw, 21px);
    letter-spacing: -0.01em;
    line-height: 1.35;
}

.fl-q-num {
    flex: 0 0 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--lp-act);
    color: var(--lp-act-ink);
    font-size: 13px;
    font-weight: 800;
}

.fl-bopt {
    border: 1.5px solid var(--fl-line);
    border-radius: 12px;
    background: var(--fl-surface);
    padding: 12px 16px;
    gap: 14px;
    font-weight: 500;
}

.fl-bopt .k {
    width: 30px;
    height: 30px;
    padding: 0;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1.5px solid var(--fl-line);
    font: 800 13px var(--font-family-sans, 'Inter', sans-serif);
}

.fl-bopt .fill {
    display: none;
}

.fl-bopt:hover:not([disabled]) {
    border-color: var(--lp-teal);
}

.fl-bopt.sel {
    border-color: var(--lp-teal);
    background: color-mix(in srgb, var(--lp-teal) 8%, transparent);
}

.fl-bopt.sel .k {
    border-color: var(--lp-teal);
    color: var(--lp-teal);
}

.fl-bopt.right {
    border-color: var(--lp-ok);
    background: color-mix(in srgb, var(--lp-ok) 8%, transparent);
}

.fl-bopt.right .k {
    background: var(--lp-ok);
    border-color: var(--lp-ok);
    color: #052e16;
}

.fl-bopt.wrong {
    border-color: var(--lp-bad);
    background: color-mix(in srgb, var(--lp-bad) 8%, transparent);
}

.fl-bopt.wrong .k {
    background: var(--lp-bad);
    border-color: var(--lp-bad);
    color: #450a0a;
}

.fl-mitem {
    border: 1.5px solid var(--fl-line);
    border-radius: 12px;
    background: var(--fl-surface);
}

.fl-mitem.sel {
    border-color: var(--lp-teal);
}

.fl-mitem.ok {
    border-color: var(--lp-ok);
    color: var(--lp-ok);
}

.fl-slot {
    border-radius: 8px;
}

/* geri bildirim: adımın kartında tek satır kutu */
.fl-fb {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.fl-fb.pass {
    background: color-mix(in srgb, var(--lp-ok) 12%, transparent);
}

.fl-fb.fail {
    background: color-mix(in srgb, var(--lp-bad) 12%, transparent);
}

.fl-fb-ic {
    flex: 0 0 22px;
    height: 22px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 900;
    color: #fff;
    background: var(--lp-ok);
}

.fl-fb.fail .fl-fb-ic {
    background: var(--lp-bad);
}

.fl-fb-body {
    min-width: 0;
    display: grid;
    gap: 6px;
}

.fl-fb-body p {
    margin: 0;
    color: var(--fl-fg);
}

.fl-fb-ans code {
    font-family: var(--fl-mono);
    font-size: 13px;
    padding: 1px 6px;
    border-radius: 6px;
    background: var(--lp-chip);
}

.fl-fb-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.fl-fb-cup {
    font-size: 12px;
    font-weight: 700;
    color: var(--fl-warn);
}

.fl-fb-ai {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid color-mix(in srgb, #8b5cf6 45%, transparent);
    background: color-mix(in srgb, #8b5cf6 14%, transparent);
    color: #a78bfa;
    font-size: 13px;
    font-weight: 600;
}

html[data-theme='dark'] .fl-fb-ai {
    color: #ddd6fe;
}

.fl-hint-row .fl-key {
    background: transparent;
    border-color: transparent;
    color: var(--fl-muted) !important;
    padding-left: 0;
}

/* ---------- kod adımı: görev kartı + kontroller ---------- */
.fl-task {
    border-radius: 16px;
    background: var(--lp-soft);
    border: 1px solid var(--fl-line);
    border-left: 3px solid var(--lp-teal);
}

.fl-task-h {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 18px 6px;
    color: var(--lp-teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.fl-task-b {
    padding: 0 18px 16px;
}

.fl-checks {
    display: grid;
    gap: 8px;
    padding: 14px 18px 18px;
    border-top: 1px dashed var(--fl-line);
}

.fl-checks-h {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--fl-muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.fl-cnt {
    margin-left: auto;
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--lp-chip);
    color: var(--lp-chip-ink);
    font-size: 12px;
    letter-spacing: 0;
}

.fl-cnt.ok {
    background: var(--lp-ok);
    color: #052e16;
}

.fl-tests {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.fl-test {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid var(--fl-line);
    background: var(--fl-surface);
    font-size: 14px;
}

.fl-test .ic {
    flex: 0 0 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--fl-line-2);
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 900;
    color: #fff;
}

.fl-test.pass {
    border-color: color-mix(in srgb, var(--lp-ok) 40%, var(--fl-line));
}

.fl-test.pass .ic {
    background: var(--lp-ok);
    border-color: var(--lp-ok);
}

.fl-test.fail {
    border-color: color-mix(in srgb, var(--lp-bad) 45%, var(--fl-line));
    background: color-mix(in srgb, var(--lp-bad) 6%, var(--fl-surface));
}

.fl-test.fail .ic {
    background: var(--lp-bad);
    border-color: var(--lp-bad);
}

/* ---------- kod adımı: iki sütun ---------- */
.fl-mtabs {
    display: none;
}

.fl-grid {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) auto;
    grid-template-areas: "body" "foot";
}

.fl-ws .fl-body {
    grid-area: body;
    min-height: 0;
}

.fl-ws .fl-foot {
    grid-area: foot;
}

.fl-ws.ws-on .fl-grid {
    grid-template-columns: minmax(360px, 42%) minmax(0, 1fr);
    grid-template-areas: "body ws" "foot ws";
}

.fl-ws.ws-on .fl-body {
    border-right: 1px solid var(--fl-line);
}

.fl-ws.ws-on .fl-step {
    max-width: 560px;
}

.fl-ws:not(.ws-on) .fl-wsr {
    display: none;
}

.fl-wsr {
    grid-area: ws;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    background: var(--fl-bg);
}

.fl-panel {
    min-height: 0;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    border: 1px solid var(--fl-line);
    background: var(--fl-console);
    overflow: hidden;
}

.fl-panel-ed {
    flex: 0 0 55%;
}

.fl-panel-pv {
    flex: 1 1 auto;
}

.fl-ph {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-bottom: 1px solid var(--fl-line);
    background: var(--fl-surface);
}

.fl-fname {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font: 600 13px var(--fl-mono);
    color: var(--fl-fg);
}

.fl-fname i {
    width: 9px;
    height: 11px;
    border-radius: 2px;
    background: #e34f26;
}

.fl-fname-javascript i {
    background: #eab308;
}

.fl-fname-php i {
    background: #777bb4;
}

.fl-fname-csharp i {
    background: #9b4f96;
}

.fl-ptool {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 30px;
    padding: 0 10px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--fl-muted);
    font-size: 13px;
    font-weight: 600;
}

.fl-ptool:hover {
    color: var(--fl-fg);
}

.fl-ptool.is-run {
    background: var(--lp-act);
    color: var(--lp-act-ink);
}

.fl-ws-ed {
    flex: 1 1 auto;
    height: auto;
    min-height: 140px;
}

.fl-pdots {
    display: inline-flex;
    gap: 6px;
}

.fl-pdots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #f87171;
}

.fl-pdots i:nth-child(2) {
    background: #fbbf24;
}

.fl-pdots i:nth-child(3) {
    background: #34d399;
}

.fl-addr {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 28px;
    padding: 0 10px;
    border-radius: 8px;
    background: var(--fl-bg);
    border: 1px solid var(--fl-line);
    color: var(--fl-muted);
    font-size: 12px;
}

.fl-devs {
    display: inline-flex;
    gap: 2px;
}

.fl-dev {
    width: 30px;
    padding: 0;
    justify-content: center;
}

.fl-dev[aria-pressed="true"] {
    background: var(--lp-chip);
    color: var(--fl-fg);
}

.fl-pv-wrap {
    flex: 1;
    min-height: 0;
    display: flex;
    justify-content: center;
    background: #fff;
}

.fl-pv-wrap iframe {
    flex: 1;
    width: 100%;
    min-height: 0;
    border: 0;
    background: #fff;
    transition: max-width .2s ease;
}

.fl-panel-pv .fl-out {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

/* ---------- ders tamamlandı modalı ---------- */
.fl-modal-box.fl-done-box {
    max-width: 440px;
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    gap: 16px;
    padding: 28px 26px 22px;
    border-radius: 20px;
}

.fl-done-box h3 {
    margin: 0;
    font-size: 26px;
    font-weight: 800;
}

.fl-medal {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--lp-ok) 16%, transparent);
    color: var(--lp-ok);
    font-size: 32px;
}

.fl-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
}

.fl-stat {
    padding: 12px 6px;
    border-radius: 12px;
    background: var(--lp-soft);
    border: 1px solid var(--fl-line);
}

.fl-stat b {
    display: block;
    font-size: 20px;
    font-weight: 800;
}

.fl-stat small {
    color: var(--fl-muted);
    font-size: 12px;
}

.fl-done-line {
    margin: 0;
    color: var(--fl-c-warn);
    font: 600 13px var(--fl-mono);
}

.fl-done-box .fl-guest {
    margin: 0;
    width: 100%;
}

.fl-modal-acts {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.fl-modal-acts .fl-key {
    flex: 1 1 170px;
}

/* ---------- dar ekran ---------- */
@media (max-width: 900px) {
    .fl-ws.ws-on .fl-mtabs {
        display: flex;
        gap: 6px;
        padding: 8px 12px;
        border-bottom: 1px solid var(--fl-line);
    }

    .fl-mtab {
        flex: 1;
        min-height: 40px;
        border-radius: 10px;
        border: 1px solid var(--fl-line);
        background: var(--fl-surface);
        color: var(--fl-muted);
        font-weight: 700;
        font-size: 14px;
    }

    .fl-mtab[aria-pressed="true"] {
        background: var(--lp-act);
        border-color: var(--lp-act);
        color: var(--lp-act-ink);
    }

    .fl-grid,
    .fl-ws.ws-on .fl-grid {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas: "main" "foot";
    }

    .fl-ws .fl-body,
    .fl-wsr {
        grid-area: main;
    }

    .fl-ws.ws-on .fl-body {
        border-right: 0;
    }

    .fl-ws.mv-lesson .fl-wsr,
    .fl-ws.ws-on.mv-code .fl-body,
    .fl-ws.ws-on.mv-out .fl-body,
    .fl-ws.mv-code .fl-panel-pv,
    .fl-ws.mv-out .fl-panel-ed {
        display: none;
    }

    .fl-ws.mv-code .fl-panel-ed,
    .fl-ws.mv-out .fl-panel-pv {
        flex: 1 1 auto;
    }

    .fl-stepn,
    .fl-titles small {
        display: none;
    }
}

@media (max-width: 720px) {
    .fl-titles {
        display: none;
    }
}

/* Orta genişlik: araç düğmeleri yalnız ikon, ders başlığına yer kalsın */
@media (max-width: 1240px) {
    .fl .fl-tool-txt {
        display: none;
    }

    .fl .fl-tool {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Dar ekran: araç düğmeleri sığmazsa yatay kaydırılır (taşıp kesilmez) */
@media (max-width: 720px) {
    .fl .fl-tools {
        flex: 0 1 auto;
        min-width: 0;
        overflow-x: auto;
        scrollbar-width: none;
        padding: 2px;
    }

    .fl .fl-tools::-webkit-scrollbar {
        display: none;
    }
}