:root { --bg-color: #f0f2f5; --glass-bg: #ffffff; --glass-border: #e4e6eb; --text-main: #1c1e21; --text-light: #65676b; --accent: #0077b6; --input-bg: #f0f2f5; --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); --header-bg: #ffffff; --header-border: #e4e6eb; --success: #10b981; --danger: #ef4444; --warning: #f59e0b; --info: #3b82f6; --purple: #8b5cf6;} 
[data-theme="dark"] { --bg-color: #18191a; --glass-bg: #242526; --glass-border: #393a3b; --text-main: #e4e6eb; --text-light: #b0b3b8; --accent: #ff9f43; --input-bg: #3a3b3c; --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.3); --header-bg: #242526; --header-border: #393a3b; } 
 
body { font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-main); margin: 0; padding-top: 80px; padding-bottom: 50px; transition: background 0.3s ease; -webkit-tap-highlight-color: transparent;} 
 
.glass-header { position: fixed; top: 0; left: 0; width: 100%; height: 70px; background: var(--header-bg); border-bottom: 1px solid var(--header-border); display: flex; align-items: center; justify-content: space-between; padding: 0 15px; box-sizing: border-box; z-index: 3000; box-shadow: 0 2px 5px rgba(0,0,0,0.05); } 
.header-left { display: flex; align-items: center; gap: 10px; cursor: pointer; } 
.site-title { font-size: 1.1rem; font-weight: 700; color: var(--accent); white-space: nowrap;} 
.header-right { display: flex; align-items: center; gap: 8px; } 
.btn-header { padding: 8px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; text-decoration: none; display: flex; align-items: center; gap: 6px; border: 1px solid var(--glass-border); background: var(--input-bg); color: var(--text-main); cursor: pointer; transition: 0.2s; } 
 
.container { max-width: 1400px; margin: 0 auto; padding: 0 10px; } 
.card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 20px; box-shadow: var(--card-shadow); margin-bottom: 20px; } 
h2, h3, h4 { margin-top: 0; color: var(--text-main); display: flex; align-items: center; gap: 10px; } 
 
input, select, textarea { width: 100%; padding: 12px; border: 1px solid var(--glass-border); background: var(--input-bg); color: var(--text-main); border-radius: 8px; box-sizing: border-box; font-family: inherit; font-size: 15px; margin-bottom: 15px; transition: 0.2s;} 
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1); } 
textarea { resize: vertical; min-height: 100px; font-family: monospace; font-size: 0.9rem; } 

button { touch-action: manipulation; } 
.btn { padding: 10px 16px; border: none; border-radius: 8px; font-weight: 600; cursor: pointer; font-size: 0.9rem; display: inline-flex; align-items: center; justify-content: center; gap: 8px; transition: 0.2s; } 
.btn:active { transform: scale(0.97); } 
.btn-primary { background: var(--accent); color: white; } .btn-success { background: var(--success); color: white; } .btn-danger { background: var(--danger); color: white; } .btn-warning { background: var(--warning); color: white; } .btn-info { background: var(--info); color: white; } .btn-purple { background: var(--purple); color: white; } .btn-outline { background: transparent; border: 1px solid var(--glass-border); color: var(--text-main); } 
.w-100 { width: 100%; } 

.dashboard-grid { display: grid; grid-template-columns: 1fr 3fr; gap: 20px; align-items: start; } 
 
.list-container { max-height: 450px; overflow-y: auto; border: 1px solid var(--glass-border); border-radius: 8px; background: var(--input-bg); } 
.list-item { padding: 15px; border-bottom: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem; flex-wrap: wrap; gap:10px;} 
.list-item:last-child { border-bottom: none; } 
.list-item.clickable { cursor: pointer; transition: 0.2s; } .list-item.clickable:hover { background: rgba(0, 119, 182, 0.1); } 
.list-item button { position: relative; z-index: 10; pointer-events: auto; }
 
.tabs { display: flex; border-bottom: 1px solid var(--glass-border); margin-bottom: 20px; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; padding-bottom:5px;} 
.tab-btn { background: none; border: none; padding: 10px 15px; font-size: 0.95rem; font-weight: 600; color: var(--text-light); cursor: pointer; border-bottom: 3px solid transparent; transition: 0.2s; border-radius: 8px 8px 0 0;} 
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); background: rgba(0,119,182,0.05);} 
.tab-content { display: none; } .tab-content.active { display: block; animation: fadeIn 0.3s; } 
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } } 

table { width: 100%; border-collapse: collapse; text-align: left; } th { font-weight: 600; color: var(--text-light); padding: 12px; border-bottom: 2px solid var(--glass-border); white-space:nowrap;} td { padding: 12px; border-bottom: 1px solid var(--glass-border); font-size: 0.9rem; } 
.badge { padding: 4px 8px; border-radius: 12px; font-weight: 600; font-size: 0.75rem; white-space:nowrap;} .badge-success { background: rgba(16, 185, 129, 0.1); color: var(--success); } .badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); } .badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); } .badge-info { background: rgba(59, 130, 246, 0.1); color: var(--info); } .badge-sube { background: rgba(0, 119, 182, 0.1); color: var(--accent); border: 1px solid var(--accent); } .badge-ders { background: var(--glass-bg); color: var(--text-main); border: 1px solid var(--glass-border); } 

.hidden { display: none !important; } 
.modal-backdrop { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 9999; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: 0.3s; padding:10px; box-sizing:border-box;} 
.modal-backdrop.show { opacity: 1; pointer-events: auto; } 
.modal-card { width: 100%; max-width: 900px; max-height: 90vh; overflow-y: auto; background: var(--glass-bg); border-radius: 12px; padding: 25px; box-shadow: 0 10px 25px rgba(0,0,0,0.2); } 
 
.radio-group { display: flex; gap: 15px; margin-bottom: 15px; flex-wrap:wrap;} .radio-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600; font-size: 0.9rem; color: var(--text-main); background:var(--glass-bg); padding:8px 12px; border-radius:8px; border:1px solid var(--glass-border);} .radio-label input { width: auto; margin: 0; } 
.assign-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; padding: 10px; } .assign-std-lbl { display: flex; align-items: center; gap: 8px; padding: 10px; border: 1px solid var(--glass-border); border-radius: 8px; background: var(--glass-bg); cursor: pointer; font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight:600;} .assign-std-lbl input { margin: 0; flex-shrink: 0; width:18px; height:18px;} 

/* PREMIUM SONUÇ VE OPTİK GÖRÜNÜMÜ */ 
.result-lesson-block { border: 1px solid var(--glass-border); border-radius: 8px; overflow: hidden; background: var(--glass-bg); margin-bottom: 12px; box-shadow: 0 2px 5px rgba(0,0,0,0.02);} 
.lesson-name { background: rgba(0, 119, 182, 0.05); padding: 10px 15px; font-weight: 700; font-size: 0.9rem; color: var(--primary); border-bottom: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center;} 
.answers-grid { display: flex; flex-wrap: wrap; gap: 8px; padding: 15px; } 
.ans-pill { display: inline-flex; align-items: stretch; border: 1px solid #e5e7eb; border-radius: 6px; overflow: hidden; font-size: 0.85rem; font-weight: bold; background: white; box-shadow: 0 1px 2px rgba(0,0,0,0.05);} 
.ans-pill .q-no { background: #f8fafc; padding: 6px 10px; color: #475569; border-right: 1px solid #e5e7eb; display:flex; align-items:center; justify-content:center;} 
.ans-pill .ans { padding: 6px 10px; display:flex; align-items:center; gap:5px;} 
.ans-pill.correct { border-color: var(--success); } .ans-pill.correct .q-no { background: rgba(16, 185, 129, 0.1); border-right-color: var(--success); color: var(--success);} .ans-pill.correct .ans { background: rgba(16, 185, 129, 0.1); color: var(--success); } 
.ans-pill.wrong { border-color: var(--danger); } .ans-pill.wrong .q-no { background: rgba(239, 68, 68, 0.1); border-right-color: var(--danger); color: var(--danger);} .ans-pill.wrong .ans { background: rgba(239, 68, 68, 0.1); color: var(--danger); } 
.ans-pill.empty { border-color: #cbd5e1; } .ans-pill.empty .ans { color: #64748b; background: #f8fafc; } 
.ans-pill.iptal { border-color: var(--purple); } .ans-pill.iptal .q-no { background: rgba(139, 92, 246, 0.1); border-right-color: var(--purple); color: var(--purple);} .ans-pill.iptal .ans { background: rgba(139, 92, 246, 0.1); color: var(--purple); } 

/* BÖLÜNMÜŞ EKRAN VE YUKARIDAN AŞAĞI OPTİK AKIŞI */ 
.solve-layout { position: fixed !important; top: 70px; left: 0; right: 0; bottom: 0; margin: 0 !important; max-width: none !important; padding: 10px 15px !important; display: flex !important; flex-direction: column; background: var(--bg-color); z-index: 2000; box-sizing: border-box;} 
.solve-layout .split-container { flex: 1; min-height: 0; display: flex; gap: 15px; height: 100%; overflow: hidden;} 
.solve-layout .pdf-panel { flex: 6; display: flex; flex-direction: column; height: 100%; border-radius: 12px; background: var(--glass-bg); border: 1px solid var(--glass-border); overflow: hidden;} 
.solve-layout .optic-panel { flex: 4; display: flex; flex-direction: column; height: 100%; border-radius: 12px; background: var(--glass-bg); border: 1px solid var(--glass-border); overflow-y: auto; padding: 15px; -webkit-overflow-scrolling: touch;} 
 
.subtest-tabs { display: flex; flex-shrink: 0; gap: 5px; margin-bottom: 15px; overflow-x: auto; padding-bottom: 5px; border-bottom: 2px solid var(--glass-border); -webkit-overflow-scrolling: touch;} 
.solve-layout .optic-panel > * { flex-shrink: 0; }
.solve-layout .optic-panel > #optic-form-container { flex-shrink: 1; }
.solve-layout #solve-title { white-space: normal; line-height: 1.4; font-size: 1.2rem; }
.solve-layout #solve-subtitle { white-space: normal; line-height: 1.4; }
.sub-tab-btn { padding: 10px 15px; background: var(--input-bg); border: 1px solid var(--glass-border); border-bottom: none; border-radius: 8px 8px 0 0; cursor: pointer; font-weight: 600; color: var(--text-light); white-space: nowrap; font-size:0.9rem; flex-shrink: 0;} 
.sub-tab-btn.active { background: var(--accent); color: white; border-color: var(--accent); } 

/* YUKARIDAN AŞAĞI (DİKEY) AKAN OPTİK KOLONLARI */ 
#optic-form-container { display: block; column-width: 230px; column-gap: 15px; margin-top: 5px; } 
.q-row { display: flex; align-items: center; background: var(--input-bg); padding: 8px 12px; border-radius: 8px; border: 1px solid var(--glass-border); justify-content: space-between; margin-bottom: 10px; break-inside: avoid; page-break-inside: avoid; -webkit-column-break-inside: avoid; width: 100%; box-sizing: border-box;} 
.q-num { font-weight: 700; color: var(--accent); font-size: 1rem; width:30px;} 
.options { display: flex; gap: 6px; } 
.opt-btn { width: 38px; height: 38px; border: 2px solid var(--glass-border); border-radius: 50%; background: var(--glass-bg); font-size: 1rem; font-weight: 600; color: var(--text-main); cursor: pointer; transition: 0.2s; display:flex; align-items:center; justify-content:center;} 
.opt-btn.selected { background: var(--accent); color: white; border-color: var(--accent); transform: scale(1.1); box-shadow:0 4px 8px rgba(0,119,182,0.3);} 

#autoSaveToast { position: fixed; bottom: 20px; right: 20px; background: var(--success); color: white; padding: 12px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); z-index: 9999; font-weight: 600; display: none; align-items: center; gap: 10px; font-size:0.9rem;} 

.hero-btn { display: block; width: 100%; padding: 30px 20px; text-align: center; border-radius: 12px; background: linear-gradient(135deg, #f59e0b, #ea580c); color: white; cursor: pointer; transition: 0.3s; border: none; box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3); text-decoration: none; } 
.hero-btn:active { transform: scale(0.98); } .hero-btn i { font-size: 3.5rem; display: block; margin-bottom: 10px; } .hero-btn h3 { margin: 0; color: white; font-size: 1.4rem; justify-content: center; } .hero-btn p { margin: 5px 0 0 0; font-size: 0.9rem; opacity: 0.9; } 

@media(max-width: 900px){  
    .dashboard-grid { grid-template-columns: 1fr; }  
    .btn-header span { display:none; } .site-title { font-size: 1rem; } 
    .solve-layout { padding: 5px !important; } 
    .solve-layout .split-container { flex-direction: column; gap: 10px; } 
    .solve-layout .pdf-panel { flex: 1.2; height: 55%; border-radius:10px;} 
    .solve-layout .optic-panel { flex: 1; height: 45%; padding: 10px; border-radius:10px;} 
    #optic-form-container { column-width: auto; display: flex; flex-direction: column; }  
    .solve-layout #solve-title { font-size: 1.05rem; }
    .solve-layout #solve-subtitle { font-size: 0.8rem; }
    .solve-layout .card > div { flex: 1; width: 100%; min-width: 100%; }
}