@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Sora:wght@400;500;600;700;800&display=swap";.topbar{background:var(--bg2);border-bottom:1px solid var(--border);padding:0 28px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.logo{font-family:var(--font-display);font-size:22px;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.nav-tabs{display:flex;gap:4px;background:var(--bg3);padding:4px;border-radius:var(--radius-sm)}.nav-tab{padding:8px 20px;border-radius:6px;border:none;font-family:var(--font);font-size:16px;font-weight:700;transition:all .2s;background:transparent;color:var(--text3);letter-spacing:.3px}.nav-tab.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px #4f8ef766}.nav-tab:hover:not(.active){color:var(--text);background:var(--bg4)}.page-content{flex:1;padding:32px;max-width:1200px;margin:0 auto;width:100%}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:20px}.card-title{font-family:var(--font-display);font-size:17px;font-weight:700;margin-bottom:18px;color:var(--text);display:flex;align-items:center;gap:10px}.card-title .icon{width:32px;height:32px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:800;color:var(--text3);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}.form-input,.form-select,.form-textarea{width:100%;background:var(--bg3);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:16px;padding:12px 16px;transition:border-color .2s,box-shadow .2s;outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f8ef71f}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7fa3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.form-textarea{min-height:100px;resize:vertical;line-height:1.6}.form-input::placeholder,.form-textarea::placeholder{color:var(--text3)}.form-input:disabled,.form-select:disabled{opacity:.5;cursor:not-allowed}.btn{display:inline-flex;align-items:center;gap:7px;padding:12px 22px;border-radius:var(--radius-sm);border:none;font-family:var(--font);font-size:13px;font-weight:700;transition:all .18s;letter-spacing:.2px;white-space:nowrap;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--accent),#3b6fd4);color:#fff;box-shadow:0 2px 10px #4f8ef747}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 18px #4f8ef76b}.btn-secondary{background:var(--bg3);color:var(--text2);border:1.5px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg4);color:var(--text);border-color:var(--border2)}.btn-success{background:linear-gradient(135deg,var(--green),#059669);color:#fff;box-shadow:0 2px 10px #10b98140}.btn-success:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 18px #10b98161}.btn-danger{background:linear-gradient(135deg,var(--red),#dc2626);color:#fff}.btn-danger:hover:not(:disabled){transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text3);padding:8px 12px}.btn-ghost:hover:not(:disabled){background:var(--bg3);color:var(--text)}.btn-sm{padding:8px 16px;font-size:13px}.btn-lg{padding:16px 36px;font-size:17px}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:14px;font-weight:700;letter-spacing:.4px}.badge-blue{background:#4f8ef726;color:var(--accent)}.badge-green{background:#10b98126;color:var(--green)}.badge-red{background:#ef444426;color:var(--red)}.badge-yellow{background:#f59e0b26;color:var(--yellow)}.badge-purple{background:#7c3aed26;color:#a78bfa}.badge-gray{background:var(--bg4);color:var(--text3)}.badge-orange{background:#f9731626;color:var(--orange)}.stat-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-value{font-family:var(--font-display);font-size:30px;font-weight:800;margin-bottom:4px}.stat-label{font-size:13px;color:var(--text3);font-weight:700;text-transform:uppercase;letter-spacing:.8px}.progress-bar{height:7px;background:var(--bg3);border-radius:999px;overflow:hidden}.progress-fill{height:100%;border-radius:999px;transition:width .5s cubic-bezier(.4,0,.2,1)}.list-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--bg3);border:1.5px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:border-color .2s,background .2s;cursor:pointer}.list-item:hover{border-color:var(--border2);background:var(--bg4)}.list-item.selected{border-color:var(--accent);background:#4f8ef712}.list-item-title{font-size:16px;font-weight:600;color:var(--text)}.list-item-sub{font-size:13px;color:var(--text3);margin-top:2px}.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:24px;overflow-x:auto}.tab{padding:13px 22px;border:none;background:transparent;color:var(--text3);font-family:var(--font);font-size:13px;font-weight:700;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .18s;white-space:nowrap}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab:hover:not(.active){color:var(--text2)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b8;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s ease}.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--radius);padding:28px;max-width:560px;width:100%;box-shadow:var(--shadow-lg);max-height:92vh;overflow-y:auto;animation:slideUp .2s cubic-bezier(.4,0,.2,1)}.modal-title{font-family:var(--font-display);font-size:19px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:15px;margin-bottom:14px;line-height:1.55}.alert-info{background:#4f8ef717;border:1px solid rgba(79,142,247,.22);color:var(--text2)}.alert-success{background:#10b98117;border:1px solid rgba(16,185,129,.22);color:#6ee7b7}.alert-warning{background:#f59e0b17;border:1px solid rgba(245,158,11,.22);color:#fcd34d}.alert-error{background:#ef444417;border:1px solid rgba(239,68,68,.22);color:#fca5a5}.empty{text-align:center;padding:48px 24px;color:var(--text3)}.empty-icon{font-size:52px;margin-bottom:12px}.empty-title{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--text2)}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text3);margin-bottom:20px;flex-wrap:wrap}.breadcrumb-item{cursor:pointer;transition:color .18s;font-weight:600}.breadcrumb-item:hover{color:var(--accent)}.breadcrumb-sep{color:var(--border2)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}.scrollable{max-height:340px;overflow-y:auto;padding-right:4px}.json-editor{font-family:Courier New,monospace;font-size:12.5px;line-height:1.65;min-height:220px;background:#080b12;border:1.5px solid var(--border);border-radius:var(--radius-sm);color:#86efac;padding:14px;resize:vertical;width:100%;outline:none;-moz-tab-size:2;tab-size:2}.json-editor:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f8ef71a}.ders-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(185px,1fr));gap:14px}.ders-card{background:var(--bg3);border:2px solid var(--border);border-radius:var(--radius);padding:24px 18px;cursor:pointer;transition:all .2s;text-align:center;position:relative;overflow:hidden}.ders-card:after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transition:transform .2s}.ders-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 28px #00000059}.ders-card:hover:after{transform:scaleX(1)}.ders-card-emoji{font-size:42px;margin-bottom:12px}.ders-card-name{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--text);margin-bottom:5px}.ders-card-sub{font-size:13px;color:var(--text3)}.konu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(195px,1fr));gap:14px}.konu-card{background:var(--bg3);border:2px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .2s;text-align:center}.konu-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 22px #0000004d}.konu-card-icon{font-size:36px;margin-bottom:10px}.konu-card-name{font-size:15px;font-weight:700;color:var(--text);margin-bottom:6px}.konu-card-sub{font-size:13px;color:var(--text3)}.quiz-wrap{max-width:740px;margin:0 auto}.soru-kart{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin-bottom:16px}.soru-metin{font-size:22px;line-height:1.3;color:var(--text);margin-bottom:24px;font-weight:500}.secenekler{display:flex;flex-direction:column;gap:10px}.secenek{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;background:var(--bg3);border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .14s;font-size:16px;font-weight:500;line-height:1.55;color:var(--text)}.secenek:hover:not(.disabled){border-color:var(--accent);background:#4f8ef70f}.secenek.dogru{border-color:var(--green);background:#10b9811a}.secenek.yanlis{border-color:var(--red);background:#ef44441a}.secenek.disabled{cursor:default}.secenek-harf{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;background:var(--bg4);flex-shrink:0;color:var(--text2);transition:all .14s}.secenek.dogru .secenek-harf{background:var(--green);color:#fff}.secenek.yanlis .secenek-harf{background:var(--red);color:#fff}.aciklama-kutu{margin-top:16px;padding:14px 18px;background:#4f8ef712;border:1px solid rgba(47,81,141,.22);border-radius:var(--radius-sm);font-size:20px;line-height:1.5;color:var(--text2);font-weight:700}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;text-align:center;padding:40px 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24px;font-size:14px;line-height:1.85;color:var(--text2);white-space:pre-wrap}.soru-dots{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:14px}.soru-dot{width:18px;height:18px;border-radius:4px;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800}.soru-dot.dogru{background:#10b98140;color:var(--green)}.soru-dot.yanlis{background:#ef444440;color:var(--red)}.sonuc-circle{width:110px;height:110px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 24px;border:4px solid;font-family:var(--font-display)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.page-content{padding:16px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}.topbar{padding:0 16px}.welcome-logo{font-size:44px}.ders-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.ders-grid{grid-template-columns:repeat(2,1fr)}.konu-grid{grid-template-columns:1fr 1fr}.soru-metin{font-size:17px}}@keyframes popIn{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}[contenteditable][data-placeholder]:empty:before{content:attr(data-placeholder);color:var(--text3);pointer-events:none}[contenteditable] h3{font-size:16px;font-weight:800;margin:10px 0 4px;color:var(--text)}[contenteditable] p{margin:4px 0}[contenteditable] ul,[contenteditable] ol{padding-left:22px;margin:6px 0}[contenteditable] li{margin:3px 0}.on-bilgi-html h3{font-size:17px;font-weight:800;margin:12px 0 5px;color:var(--text)}.on-bilgi-html p{margin:5px 0;line-height:1.75}.on-bilgi-html ul,.on-bilgi-html ol{padding-left:24px;margin:8px 0}.on-bilgi-html li{margin:4px 0;line-height:1.7}.on-bilgi-html strong{font-weight:800}.on-bilgi-html em{font-style:italic}.on-bilgi-html u{text-decoration:underline}html.light .topbar{box-shadow:0 1px 8px #00000014}html.light .card{box-shadow:0 2px 12px #00000012}html.light .modal{box-shadow:0 8px 40px #0000002e}html.light .btn-primary{box-shadow:0 2px 8px #2563eb40}html.light .secenek{background:var(--bg2)}html.light .secenek:hover:not(.disabled){background:#2563eb0f}html.light .soru-kart,html.light .ders-card,html.light .konu-card,html.light .list-item{background:var(--bg2)}html.light .list-item:hover{background:var(--bg3)}html.light .stat-card{background:var(--bg2)}html.light .json-editor{background:var(--bg3);color:var(--text)}html.light .nav-tab.active{box-shadow:0 2px 8px #2563eb4d}html.light ::-webkit-scrollbar-track{background:var(--bg3)}html.light ::-webkit-scrollbar-thumb{background:var(--border2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--bg2: #161b27;--bg3: #1e2535;--bg4: #252d3d;--border: #2d3748;--border2: #3d4f6e;--text: #e8edf5;--text2: #9bacc8;--text3: #6b7fa3;--accent: #4f8ef7;--accent2: #7c3aed;--green: #10b981;--red: #ef4444;--yellow: #f59e0b;--orange: #f97316;--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0,0,0,.4);--shadow-lg: 0 8px 48px rgba(0,0,0,.6);--font: "Nunito", sans-serif;--font-display: "Sora", sans-serif}html.light{--bg: #f0f4f8;--bg2: #ffffff;--bg3: #e8edf5;--bg4: #dde4ef;--border: #c8d3e8;--border2: #a0b0cc;--text: #1a2340;--text2: #3d5080;--text3: #6b7fa3;--accent: #2563eb;--accent2: #7c3aed;--green: #059669;--red: #dc2626;--yellow: #d97706;--orange: #ea580c;--shadow: 0 4px 24px rgba(0,0,0,.1);--shadow-lg: 0 8px 48px rgba(0,0,0,.15)}html{scroll-behavior:smooth}body{font-family:var(--font);font-size:16px;line-height:1.6;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg2)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text3)}#root{min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{cursor:pointer}input,select,textarea{font-family:var(--font)}