/* Hafta slaytlari icin ortak bilesen CSS'i (hafta01 <style>'indan cikarildi) */
.reveal pre {
            width: 100%;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            font-size: 0.42em;
            line-height: 1.5;
        }

        .reveal pre code {
            border-radius: 14px;
            padding: 18px 22px;
            max-height: 560px;
        }

        .code-note {
            font-family: 'JetBrains Mono', monospace;
            color: #94a3b8;
            font-size: 0.62em;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.6em;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            background: rgba(108, 99, 255, 0.12);
            border: 1px solid rgba(96, 125, 255, 0.35);
            color: #93c5fd;
        }

        .concept-card {
            padding: 18px;
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            text-align: left;
        }

        .concept-card h4 {
            font-size: 0.8em;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }

        .concept-card p {
            font-size: 0.62em;
            color: #a3accb;
            line-height: 1.5;
        }

        .kw {
            color: #f0abfc;
            font-weight: 700;
        }

        /* Mock uygulama penceresi cercevesi */
        .app-frame {
            display: inline-block;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 22px 60px rgba(0, 0, 0, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: #12121f;
        }

        .app-frame .titlebar,
        .qt-app .titlebar {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 9px 13px;
            background: #1a1a2e;
        }

        .app-frame .adot,
        .qt-app .adot {
            width: 11px;
            height: 11px;
            border-radius: 50%;
        }

        .app-frame .atitle,
        .qt-app .atitle {
            margin-left: 8px;
            font-size: 11px;
            color: #8a8aac;
            font-family: 'JetBrains Mono', monospace;
        }

        .app-frame img {
            display: block;
            width: 300px;
            height: auto;
        }

        .arrow-cta {
            color: #7dd3fc;
            font-weight: 800;
            font-size: 0.7em;
        }

        /* GUI uzerine ok cekerek nesneleri isaretleme */
        .gui-annot {
            position: relative;
            width: 900px;
            height: 340px;
            margin: 0 auto;
        }

        .annot-chip {
            position: absolute;
            width: 168px;
            padding: 9px 13px;
            border-radius: 13px;
            background: rgba(2, 6, 23, 0.88);
            border: 1px solid rgba(255, 255, 255, 0.15);
            text-align: left;
            font-size: 0.5em;
            line-height: 1.45;
            color: #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        .annot-chip b { font-weight: 800; }
        .annot-chip span { color: #94a3b8; font-family: 'JetBrains Mono', monospace; }
        .annot-chip { z-index: 3; }

        /* ===== CANLI QT WIDGET (guidemo.py QSS ile birebir) ===== */
        .qt-app {
            display: inline-block;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 22px 60px rgba(0, 0, 0, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: #12121f;
            font-family: 'DejaVu Sans', 'Segoe UI', sans-serif;
        }

        .qt-body {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            padding: 26px 34px 30px;
            min-width: 220px;
        }

        .qt-deger {
            font-size: 30px;
            font-weight: 800;
            color: #7dd3fc;
        }

        .qt-deger.bump {
            animation: qtpulse 0.36s ease;
        }

        @keyframes qtpulse {
            0% { transform: scale(1); }
            40% { transform: scale(1.32); color: #a5f3fc; }
            100% { transform: scale(1); }
        }

        .qt-deger.warn { color: #fbbf24; }
        .qt-deger.warn.bump { animation: qtpulsewarn 0.36s ease; }

        @keyframes qtpulsewarn {
            0% { transform: scale(1); }
            40% { transform: scale(1.28); color: #fde68a; }
            100% { transform: scale(1); }
        }

        /* Hareket duyarliligi olan kullanicilar icin */
        @media (prefers-reduced-motion: reduce) {
            .live-dot { animation: none; }
            .qt-deger.bump,
            .qt-deger.warn.bump { animation: none; }
            .runline { transition: none; }
            .glow-sphere,
            .cover-icon,
            .oop-tok,
            .code-tagline .blink { animation: none; }
        }

        .qt-btn {
            background: #6c63ff;
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 11px 20px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: filter 0.12s, transform 0.06s;
            font-family: inherit;
        }

        .qt-btn:hover { filter: brightness(1.13); }
        .qt-btn:active { transform: translateY(1px); }

        .qt-btn.reset {
            background: rgba(255, 255, 255, 0.09);
            color: #cbd5e1;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.55em;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #86efac;
        }

        .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            animation: livepulse 1.6s infinite;
        }

        @keyframes livepulse {
            0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
            70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
            100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
        }

        /* Calisan kod paneli */
        .run-panel {
            text-align: left;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 18px 20px;
            min-width: 340px;
        }

        .run-title {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.55em;
            color: #8a8aac;
            margin-bottom: 10px;
        }

        .runline {
            display: block;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.56em;
            color: #cbd5e1;
            padding: 6px 12px;
            border-radius: 8px;
            border-left: 3px solid transparent;
            transition: background 0.2s, border-color 0.2s, color 0.2s;
            white-space: nowrap;
        }

        .runline.active {
            background: rgba(125, 211, 252, 0.14);
            border-left-color: #7dd3fc;
            color: #fff;
        }

        .run-badge {
            margin-top: 12px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.55em;
            color: #8a8aac;
        }

        .run-badge b { color: #7dd3fc; }

        /* ===== MINI QUIZ ===== */
        .quiz {
            text-align: left;
            max-width: 760px;
            margin: 0 auto 9px;
        }

        .quiz-q {
            font-size: 0.66em;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .quiz-opt {
            display: block;
            width: 100%;
            text-align: left;
            padding: 9px 15px;
            margin-bottom: 5px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            color: #e2e8f0;
            font-size: 0.6em;
            cursor: pointer;
            transition: all 0.15s;
        }

        .quiz-opt code {
            color: #93c5fd;
            font-family: 'JetBrains Mono', monospace;
        }

        .quiz-opt:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(147, 197, 253, 0.5);
        }

        .quiz.answered .quiz-opt { cursor: default; }

        .quiz-opt.correct {
            background: rgba(34, 197, 94, 0.16);
            border-color: #22c55e;
            color: #dcfce7;
        }

        .quiz-opt.wrong {
            background: rgba(244, 63, 94, 0.16);
            border-color: #f43f5e;
            color: #fee2e2;
        }

        .quiz-fb {
            font-size: 0.58em;
            min-height: 1.4em;
            margin-top: 6px;
            font-family: 'JetBrains Mono', monospace;
            color: #94a3b8;
        }

        /* ===== TIKLANABILIR KOD HOTSPOT ===== */
        .manual-code {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.5em;
            line-height: 1.9;
            text-align: left;
            background: #1e1e1e;
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: 14px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.08);
            white-space: pre;
            margin: 0;
        }

        .manual-code .tk { color: #f92672; }
        .manual-code .ty { color: #66d9ef; font-style: italic; }
        .manual-code .st { color: #e6db74; }
        .manual-code .fn { color: #a6e22e; }

        .hotspot {
            cursor: pointer;
            border-bottom: 1.5px dashed rgba(240, 171, 252, 0.6);
            border-radius: 3px;
            padding: 0 2px;
            transition: background 0.15s;
        }

        .hotspot:hover { background: rgba(240, 171, 252, 0.18); }
        .hotspot.on { background: rgba(240, 171, 252, 0.28); color: #fff; }
        .hotspot:focus-visible { outline: 2px solid #f0abfc; outline-offset: 2px; }

        .hs-panel {
            text-align: left;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(96, 125, 255, 0.35);
            border-radius: 18px;
            padding: 22px 24px;
            min-width: 340px;
            max-width: 380px;
        }

        .hs-panel h4 {
            font-size: 0.8em;
            font-weight: 800;
            color: #93c5fd;
            margin-bottom: 10px;
            font-family: 'JetBrains Mono', monospace;
        }

        .hs-panel p {
            font-size: 0.66em;
            color: #cbd5e1;
            line-height: 1.6;
        }

        .hint-legend {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.5em;
            color: #64748b;
            font-family: 'JetBrains Mono', monospace;
            border: 1px dashed rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 5px 14px;
        }

        /* ===== KAPAK (haftaya özgü, karizmatik) ===== */
        .cover-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 116px;
            height: 116px;
            border-radius: 50%;
            background: rgba(96, 125, 255, 0.12);
            border: 1px solid rgba(147, 197, 253, 0.4);
            color: #93c5fd;
            box-shadow: 0 0 55px rgba(96, 125, 255, 0.35);
            animation: coverpulse 2.6s ease-in-out infinite;
        }

        @keyframes coverpulse {
            0%, 100% { box-shadow: 0 0 45px rgba(96, 125, 255, 0.30); transform: scale(1); }
            50% { box-shadow: 0 0 85px rgba(167, 139, 250, 0.55); transform: scale(1.06); }
        }

        .grad-text {
            background: linear-gradient(90deg, #7dd3fc 0%, #a78bfa 50%, #fb7185 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .code-tagline {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.62em;
            color: #94a3b8;
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 10px;
            padding: 7px 16px;
        }

        .code-tagline .blink {
            color: #7dd3fc;
            font-weight: 700;
            animation: blink 1.05s steps(1) infinite;
        }

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

        .oop-field {
            position: absolute;
            inset: 0;
            pointer-events: none;
            z-index: 1;
            overflow: hidden;
        }

        .oop-tok {
            position: absolute;
            font-family: 'JetBrains Mono', monospace;
            font-size: 20px;
            font-weight: 700;
            color: rgba(147, 197, 253, 0.16);
            animation: oopdrift 13s ease-in-out infinite alternate;
        }

        @keyframes oopdrift {
            from { transform: translateY(-12px); opacity: 0.09; }
            to { transform: translateY(12px); opacity: 0.22; }
        }