/* --- TEMEL TASARIM DEĞİŞKENLERİ (MOR TEMA) --- */
:root {
    --bg: #f3f4f6; 
    --card: #ffffff;
    --muted: #6b7280;
    --accent: #7c3aed; /* Ana Mor Renk */
    --accent-hover: #6d28d9; /* Koyu Mor Hover */
    --accent-light: #ede9fe; /* Açık Mor Arka Planlar */
    --text-black: #1f2937;
    --border: #e5e7eb;
    --sidebar-bg: #ffffff;
    --menu-text: #4b5563;
}
* { box-sizing: border-box; font-family: 'Inter', system-ui, -apple-system, sans-serif; }
body { margin: 0; background: var(--bg); color: var(--text-black); min-height: 100vh; }

/* HEADER */
header {
    padding: 18px 24px; display: flex; align-items: center; gap: 12px; 
    background: #ffffff; border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.logo {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover)); 
    color: white; padding: 10px 14px; border-radius: 12px; 
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.3); font-weight: 800; font-size: 1.2rem;
}
h1 { font-size: 20px; margin: 0; color: #4c1d95; font-weight: 700; }

/* HEADER STATS */
.header-stats { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.stat-badge { 
    display: flex; align-items: center; gap: 6px; 
    background: var(--accent-light); color: var(--accent); 
    padding: 8px 14px; border-radius: 20px; 
    font-size: 12px; font-weight: 700; 
    border: 1px solid rgba(124,58,237,0.2); 
    transition: all 0.2s; user-select: none;
}
.stat-btn { cursor: pointer; }
.stat-btn:hover { background: #ddd6fe; transform: translateY(-2px); box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.stat-btn:active { transform: translateY(0); }

/* PROMO LINK */
.promo-link {
    text-decoration: none; 
    color: #7c3aed; 
    font-weight: 800; 
    font-size: 1.1rem; 
    border: 2px solid #7c3aed; 
    padding: 8px 24px; 
    border-radius: 50px; 
    background: #f5f3ff; 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
    display: inline-block; 
    box-shadow: 0 4px 6px -1px rgba(124, 58, 237, 0.1);
}
.promo-link:hover {
    background: #7c3aed;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.3);
}
.promo-link:active {
    transform: translateY(0);
}

/* LAYOUT */
.container {
    width: 100%; margin: 0; padding: 0; display: grid;
    grid-template-columns: 280px 1fr 280px; /* Sol - Orta - Sağ */
    min-height: calc(100vh - 81px);
}

/* SOL MENÜ */
.sidebar-nav {
    background: var(--sidebar-bg); padding: 24px 16px; border-right: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}

/* SAĞ SÜTUN (DUYURULAR & SINAV BİLGİLERİ) */
.right-sidebar {
    background: var(--sidebar-bg); padding: 24px 16px; border-left: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 15px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}

/* SAĞ SÜTUN KOMPAKT FORM STİLİ */
.sidebar-form {
    background: #fff;
    padding: 15px !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05) !important;
}
.sidebar-form h3 { margin: 0 0 10px 0 !important; font-size: 14px !important; color: var(--accent); }
.sidebar-form .form-group { margin-bottom: 8px !important; gap: 2px !important; }
.sidebar-form label { font-size: 11px !important; color: #555; font-weight: 600; }
.sidebar-form input, .sidebar-form select { 
    padding: 6px 8px !important; 
    font-size: 12px !important; 
    border-radius: 6px !important;
}

.announcement-card {
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    border: 1px solid rgba(124,58,237,0.15);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    color: #5b21b6;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}
.announcement-card:hover { transform: translateY(-2px); }
.announcement-icon { font-size: 32px; margin-bottom: 10px; display: block; }

.nav-title { 
    font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px; 
    color: #9ca3af; margin: 15px 0 8px 12px; font-weight: 700; 
}
.main-tab-btn {
    padding: 10px 14px; border: 1px solid transparent; background: transparent;
    text-align: left; border-radius: 10px; font-size: 14px; font-weight: 500;
    cursor: pointer; color: var(--menu-text); transition: all 0.2s ease;
    display: flex; align-items: center; gap: 10px;
}
.main-tab-btn:hover { 
    background: var(--accent-light); color: var(--accent); 
    transform: translateX(3px);
}
.main-tab-btn.active { 
    background: var(--accent); color: #fff; 
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25); 
    font-weight: 600;
}

/* İÇERİK ALANI */
.content-area { padding: 30px; background: #f3f4f6; width: 100%; overflow-x: hidden; }
.tab-pane { width: 100%; margin: 0; display:none; animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.tab-pane.active{display:block;}
@keyframes fadeIn { from{opacity:0; transform: translateY(10px);} to{opacity:1; transform: translateY(0);} }

/* KARTLAR */
.card { 
    background:var(--card); padding:24px; border-radius:16px; 
    border: 1px solid rgba(229, 231, 235, 0.5); 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    margin-bottom: 24px; 
}
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-bottom: 16px; }

/* FORM ELEMANLARI */
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 15px; }
.form-group label { font-weight: 600; font-size: 14px; color: #374151; }
.form-group small { color: var(--muted); font-weight: 400; }
input[type="text"], input[type="number"], textarea, select {
    width: 100%; padding: 12px 14px; border-radius: 8px; border: 1px solid #d1d5db; 
    background: #fff; outline: none; transition: all 0.2s; font-size: 14px;
}
input:focus, textarea:focus, select:focus { 
    border-color: var(--accent); box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1); 
}

/* BUTONLAR */
.btn {
    display:inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding:10px 20px; border-radius:8px; background:var(--accent); color:#fff;
    cursor:pointer; border: none; font-size: 14px; font-weight: 600; 
    transition: all 0.2s; text-decoration: none; box-shadow: 0 2px 4px rgba(124, 58, 237, 0.2);
}
.btn:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 6px rgba(124, 58, 237, 0.3); }

.btn.secondary { background-color: #4b5563; box-shadow: 0 2px 4px rgba(75, 85, 99, 0.2); }
.btn.secondary:hover { background-color: #374151; }

.btn.tertiary { background-color: #3b82f6; box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2); }
.btn.tertiary:hover { background-color: #2563eb; }

.btn.orange { background-color: #f59e0b; box-shadow: 0 2px 4px rgba(245, 158, 11, 0.2); }
.btn.orange:hover { background-color: #d97706; }

.btn.red { background-color: #ef4444; box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2); }
.btn.red:hover { background-color: #dc2626; }

.btn.purple { background-color: #8b5cf6; } 
.btn.purple:hover { background-color: #7c3aed; }

.btn.outline { background: #fff; color: var(--accent); border: 1px solid var(--border); box-shadow: none; }
.btn.outline:hover { background: var(--accent-light); border-color: var(--accent); }

.btn-xs { padding: 4px 8px; font-size: 11px; border-radius: 4px; }

/* TABLO */
.table-responsive { overflow-x: auto; margin-top: 15px; border-radius: 10px; border: 1px solid #e5e7eb; }
table { width: 100%; border-collapse: collapse; font-size: 13px; white-space: nowrap; }
th, td { padding: 10px 8px; text-align: center; border-bottom: 1px solid #e5e7eb; vertical-align: middle; }
th { background-color: #f9fafb; color: #374151; font-weight: 700; text-align: left; border-bottom: 2px solid #e5e7eb; }
td { text-align: left; color: #000000; font-weight: bold !important;}

td input[type="number"] { 
    text-align: center; width: 60px; padding: 6px; font-size: 13px; border-radius: 6px;
    appearance: textfield; 
}
td input[type="number"]:focus { background-color: var(--accent-light); }
td input[type="number"]::-webkit-outer-spin-button,
td input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* EXCEL GIRDİ TABLOSU */
#excel-input-table {
    width: 100%; border-collapse: separate; border-spacing: 0;
}
#excel-input-table th {
    background-color: #e5e7eb; border: 1px solid #d1d5db; padding: 8px; text-align: center; font-size: 12px; color: #555; white-space: nowrap;
}
#excel-input-table td {
    padding: 0; border: 1px solid #e5e7eb;
}
#excel-input-table input {
    width: 100%; border: none; border-radius: 0; padding: 8px 10px; outline: none; font-family: inherit; font-size: 14px;
}
#excel-input-table input:focus {
    box-shadow: inset 0 0 0 2px var(--accent); background: #fbfaff; z-index: 2; position: relative;
}

.success { background-color: #d1fae5; color: #065f46; font-weight: bold; padding: 4px 10px; border-radius: 6px; }
.danger { background-color: #fee2e2; color: #991b1b; font-weight: bold; padding: 4px 10px; border-radius: 6px; }
.warning { background-color: #fef3c7; color: #92400e; font-weight: bold; padding: 4px 10px; border-radius: 6px; }

.rule-info { background-color: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; padding: 12px; border-radius: 8px; margin-bottom: 15px; font-size: 0.9rem; display: flex; align-items: center; gap: 10px; }
.helper-text { font-size: 0.9rem; color: #555; background: #fdfbff; padding: 16px; border-radius: 8px; border-left: 4px solid var(--accent); margin-bottom: 20px; line-height: 1.5; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin-bottom: 24px; }
.stat-card { 
    background: #fff; 
    padding: 10px; /* 20px'den 10px'e düşürdük, daha ince oldu */
    border-radius: 8px; /* Köşeleri biraz daha keskinleştirdik */
    border: 1px solid var(--border); 
    box-shadow: 0 2px 4px -1px rgba(0,0,0,0.05); 
}
.stat-card h4 { 
    margin: 0 0 5px 0; /* Alt boşluğu azalttık */
    color: var(--muted); 
    font-size: 0.75rem; /* Yazıyı biraz küçülttük */
    text-transform: uppercase; 
    letter-spacing: 0.5px; 
    font-weight: 700; 
}
.stat-card .value { 
    font-size: 1.5rem; /* 2rem'den 1.5rem'e düşürdük */
    font-weight: 800; 
    color: #111827; 
    line-height: 1.2; /* Satır aralığını sıkılaştırdık */
}
.progress-bar { height: 8px; background: #f3f4f6; border-radius: 4px; overflow: hidden; margin-top: 12px; }
.progress-fill { height: 100%; transition: width 0.5s ease; border-radius: 4px; }
.db-status { padding: 8px 12px; border-radius: 6px; font-size: 13px; font-weight: 600; margin-bottom: 15px; display: inline-block; }
.db-connected { background-color: #d1fae5; color: #065f46; }
.db-disconnected { background-color: #fee2e2; color: #991b1b; }

/* MODAL */
#loadingOverlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255,255,255,0.9); z-index: 10002; justify-content: center; align-items: center; flex-direction: column; backdrop-filter: blur(3px); }
.spinner { border: 4px solid #f3f3f3; border-top: 4px solid var(--accent); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.modal-overlay { 
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(0,0,0,0.5); z-index: 10001; opacity: 0; transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
    align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; opacity: 1; }

.modal-box { 
    background: white; width: 90%; max-width: 450px; padding: 30px; 
    border-radius: 20px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); 
    transform: scale(0.95) translateY(20px); transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); 
    text-align: center; border: 1px solid rgba(255,255,255,0.2);
}
.modal-overlay.open .modal-box { transform: scale(1) translateY(0); }
.modal-icon { font-size: 48px; margin-bottom: 20px; display: block; animation: bounce 1s infinite alternate; }
@keyframes bounce { from { transform: translateY(0); } to { transform: translateY(-5px); } }
.modal-title { font-size: 20px; font-weight: 700; color: #111827; margin-bottom: 10px; }
.modal-message { font-size: 15px; color: #4b5563; line-height: 1.6; margin-bottom: 30px; }
.modal-footer { display: flex; gap: 12px; justify-content: center; }
.modal-footer button { min-width: 110px; }

/* --- DERS İÇİ KATILIM ÖZEL STİLLERİ --- */
.vertical-text {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
    padding: 2px 0;
    font-size: 9px;
    line-height: 1;
    height: 180px; /* Dikey alan yüksekliği */
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    width: 100%;
}
.participation-print-header input {
    font-family: 'Calibri', 'Inter', sans-serif;
    font-size: 12pt !important;
    font-weight: bold !important;
    text-transform: uppercase;
    background: transparent;
    border: none;
    border-bottom: 1px dashed #ccc;
    text-align: center;
    width: 100%;
    margin-bottom: 5px;
}

/* YAZDIRMA AYARLARI */
@media print {
    body * { visibility: hidden; }
    
    /* GÖRÜNÜR ALANLAR */
    #participation-tab.active, #participation-tab.active * { visibility: visible; }
    #participation-tab.active { position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 5px; background: white; }

    #outcome-report-tab.active, #outcome-report-tab.active * { visibility: visible; }
    #outcome-report-tab.active { position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 5px; background: white; }

    #performance-high-tab.active, #performance-high-tab.active * { visibility: visible; }
    #performance-high-tab.active { position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 5px; background: white; }

    #analysis-tab.active, #analysis-tab.active * { visibility: visible; }
    #analysis-tab.active { position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 5px; background: white; }
    #analysis-tab.active .no-shadow-print { box-shadow: none; border: none; padding: 0; margin: 20px 0; }

    /* GİZLENECEK ALANLAR */
    .sidebar-nav, header, .right-sidebar, .card > div:first-child button { display: none !important; }
    .content-area { padding: 0; margin: 0; background: white; }
    .card { box-shadow: none; border: none; padding: 0; margin: 0; }
    .helper-text, .modal-overlay, #loadingOverlay { display: none !important; }
    .no-print { display: none !important; }

    /* SAYFA YAPISI */
    @page { size: A4 portrait; margin: 10mm; }
    .content-area, .tab-pane { width: 100% !important; max-width: 210mm !important; overflow: hidden !important; }
    #charts-container { display: block !important; }
    #charts-container .card { page-break-inside: avoid; margin-bottom: 20px; }

    /* TABLO AYARLARI */
    table { font-size: 8pt !important; border-collapse: collapse; width: 100%; }
    th, td { border: 1px solid black !important; padding: 1px !important; color: rgb(49, 48, 48) !important; }
    thead { display: table-header-group; }
    tfoot { display: table-footer-group; }
    tr { page-break-inside: avoid; }
    .table-responsive { overflow: visible !important; }
    .vertical-text { height: 5.3cm; font-size: 8pt; color: black !important; white-space: normal; }
    input, select { border: none !important; background: transparent !important; padding: 0 !important; margin: 0 !important; font-size: 9pt !important; }

    /* RENK SINIFLARI (Düzeltilen Kısım) */
    .bg-red-100 { 
        background-color: #fee2e2 !important; 
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .bg-yellow-100 { 
        background-color: #fef3c7 !important; 
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact; 
    }
    .bg-blue-100 { 
        background-color: #dbeafe !important; 
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .bg-green-100 { 
        background-color: #dcfce7 !important; 
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* İMZA ALANI DÜZELTMELERİ */
    #part-teacher-sign, #part-manager-sign, 
    #analysis-teacher-sign, #analysis-manager-sign,
    #perf-teacher-sign, #perf-manager-sign {
        font-size: 11pt !important;
        font-family: 'Inter', sans-serif !important;
        font-weight: bold !important;
        color: black !important;
        border: none !important;
        padding: 5px 0 !important;
        margin: 0 !important;
        height: auto !important;
    }
    #part-teacher-sign + div, #part-manager-sign + div, 
    #analysis-teacher-sign + div, #analysis-manager-sign + div,
    #perf-teacher-sign + div, #perf-manager-sign + div {
        font-size: 11pt !important;
        font-family: 'Inter', sans-serif !important;
        font-weight: bold !important;
        color: black !important;
        border-top: none !important;
        padding-top: 5px !important;
        margin-top: 2px !important;
    }
/* --- GRAFİKLERİ YAN YANA AL --- */
    #charts-container {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important; /* Ekranı tam ortadan ikiye böl */
        gap: 10px !important;
        page-break-inside: avoid;
        margin-top: 20px !important;
    }

    /* Grafik Kartlarını Temizle */
    #charts-container .card {
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        box-shadow: none !important;
    }

    /* Grafikleri Küçült (Sayfaya sığması için) */
    #charts-container canvas {
        max-height: 220px !important; 
        width: 100% !important;
    }
    /* --- 9. SEKME: PROJE ÖLÇEĞİ YAZDIRMA AYARLARI (SİYAH-BEYAZ) --- */
    #project-tab.active, #project-tab.active * { visibility: visible; }

    #project-tab.active {
        position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 5px; background: white; z-index: 2000;
    }

    /* Siyah-Beyaz Zorlaması */
    #project-table th, 
    #project-table td {
        background-color: white !important;
        color: black !important;
        border: 1px solid black !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    #project-table input {
        color: black !important;
        background: transparent !important;
        border: none !important;
    }
    
    /* Proje tablosu içindeki renkli hücreleri beyaz yap */
    #project-tab.active .bg-red-100, 
    #project-tab.active .bg-yellow-100, 
    #project-tab.active .bg-blue-100, 
    #project-tab.active .bg-green-100 {
        background-color: white !important;
    }

    /* Gereksizleri gizle */
    #project-tab.active .no-print, 
    #project-tab.active .helper-text,
    #project-copy-buttons-container { display: none !important; }

    /* Proje İmza Alanı */
    #project-teacher-sign, #project-manager-sign {
        border: none !important;
        font-weight: bold !important;
        color: black !important;
        text-align: center;
        width: 100%;
    }
    #project-teacher-sign + div, 
    #project-manager-sign + div {
        border-top: none !important;
        color: black !important;
    }
}

/* RESPONSIVE */
@media(max-width: 1100px) {
    .container { grid-template-columns: 260px 1fr; } 
    .right-sidebar { display: none; }
}

@media(max-width: 800px) {
    .container { grid-template-columns: 1fr; }
    .sidebar-nav { position: sticky; top: 0; height: auto; border-right: none; border-bottom: 1px solid var(--border); flex-direction: row; overflow-x: auto; padding: 12px; white-space: nowrap; z-index: 100;}
    .nav-title { display: none; }
    .main-tab-btn { padding: 10px 14px; font-size: 13px; }
    .right-sidebar { display: flex; position: static; height: auto; border-left: none; border-top: 1px solid var(--border); }
}

.footer { margin-top: 40px; text-align: center; font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 20px; }
.footer a { color: var(--accent); text-decoration: none; font-weight: 600; }

.guide-step { margin-bottom: 25px; border-left: 3px solid var(--border); padding-left: 20px; position: relative; }
.guide-step::before { content: ''; position: absolute; left: -8px; top: 0; width: 13px; height: 13px; border-radius: 50%; background: var(--accent); }
.guide-step h4 { color: var(--accent); margin: 0 0 5px 0; font-size: 1.1rem; }
.guide-step p { margin: 0; color: #4b5563; font-size: 0.95rem; }

/* Ekran modu için Renk Sınıfları */
.bg-red-100 { background-color: #fee2e2; }
.bg-yellow-100 { background-color: #fef3c7; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-green-100 { background-color: #dcfce7; }

/* --- TEK İMZA MODU --- */

/* Normalde (mod kapalıyken) HTML'deki inline-style'lar geçerli olur. */
/* Bu yüzden burada varsayılan bir stil yazmıyoruz. */

/* MOD AKTİF OLUNCA DEVREYE GİRECEK KODLAR: */

/* 1. Müdürü Gizle */
body.single-sign-mode .manager-box {
    display: none !important; 
}

/* 2. Satır Düzenini Değiştir: İçeriği Sağa Yasla */
body.single-sign-mode .signature-row {
    justify-content: flex-end !important; 
}

/* 3. Öğretmeni Müdürün Yerine (Sağa) Kaydır */
body.single-sign-mode .teacher-box {
    /* Genişlik ayarı: İmza kutunuz HTML'de inline-style olmadığı için 
       tarayıcı varsayılanı kullanır, kaymayı önlemek için sabit genişlik veriyoruz */
    min-width: 200px; 
    
    /* Müdürün eski konumuna denk gelmesi için sağdan boşluk */
    margin-right: 15% !important; 
}

/* YAZDIRMA AYARLARI (Mod açıksa çıktıda da böyle görünsün) */
@media print {
    body.single-sign-mode .manager-box { display: none !important; }
    body.single-sign-mode .signature-row { justify-content: flex-end !important; }
    body.single-sign-mode .teacher-box { margin-right: 15% !important; }
}

/* --- GÜÇLENDİRİLMİŞ FORMAT SEÇİM KUTULARI (YAN YANA GARANTİLİ) --- */

.format-selector-container {
    display: flex; /* Yan yana dizilmeyi zorlar */
    flex-direction: row; /* Yatay hizalama */
    gap: 15px; /* Kutular arası boşluk */
    width: 100%;
    margin-bottom: 15px;
}

.format-option {
    flex: 1; /* Her kutu eşit genişlikte olsun */
    cursor: pointer;
    position: relative;
    margin: 0; /* Varsayılan boşlukları sıfırla */
}

/* Radyo butonunu tamamen gizle */
.format-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

/* Kutunun Görsel Tasarımı */
.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8px 8px;
    background: #ffffff;
    border: 2px solid #e5e7eb; /* Varsayılan gri kenarlık */
    border-radius: 12px; /* Köşeleri yuvarla */
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); /* Yumuşak geçiş efekti */
    height: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); /* Hafif gölge */
}

/* İkon ve Metin Stilleri */
.opt-icon { 
    font-size: 20px; 
    margin-bottom: 8px; 
    display: block; 
    filter: grayscale(100%); /* Seçili değilken gri olsun */
    transition: filter 0.3s;
}

.opt-title { 
    font-weight: 800; 
    font-size: 14px; 
    color: #4b5563; 
    display: block; 
    margin-bottom: 4px;
}

.opt-desc { 
    font-size: 11px; 
    color: #9ca3af; 
    line-height: 1.2;
}

/* Mouse Üzerine Gelince (Hover) */
.format-option:hover .option-content {
    border-color: #d8b4fe; /* Açık mor kenarlık */
    transform: translateY(-2px); /* Hafif yukarı kalksın */
}

/* SEÇİLİ OLDUĞUNDA (Aktif Durum) */
.format-option input[type="radio"]:checked + .option-content {
    border-color: #7c3aed; /* Koyu mor kenarlık */
    background: #f5f3ff; /* Çok açık mor zemin */
    box-shadow: 0 8px 15px rgba(124, 58, 237, 0.15); /* Mor gölge efekti */
    transform: translateY(-3px); /* Yukarı kalkık kalsın */
}

/* Seçili olunca metin ve ikon rengi */
.format-option input[type="radio"]:checked + .option-content .opt-icon {
    filter: grayscale(0%); /* İkon renklensin */
    transform: scale(1.1); /* İkon biraz büyüsün */
}

.format-option input[type="radio"]:checked + .option-content .opt-title {
    color: #7c3aed; /* Başlık mor olsun */
}

.format-option input[type="radio"]:checked + .option-content .opt-desc {
    color: #6d28d9; /* Açıklama koyu mor olsun */
}

/* MOBİL UYUMLULUK (Telefonda alt alta geçsin) */
@media (max-width: 600px) {
    .format-selector-container {
        flex-direction: column; /* Telefonda alt alta olsun */
    }
}

/* Buton içindeki ikon ve yazıyı hizalar */
.btn {
    display: inline-flex;       /* İçeriği yan yana dizer */
    align-items: center;        /* Dikeyde ortalar */
    justify-content: center;    /* Yatayda ortalar */
    gap: 8px;                   /* İkon ile yazı arasına boşluk koyar */
}

/* İkonun rengini ayarlar */
.btn svg {
    width: 18px;                /* İkon boyutu */
    height: 18px;
    stroke: currentColor;       /* Yazı rengi neyse ikon da o renk olur (Beyaz) */
}

/* --- DUYURU PENCERESİ STİLLERİ --- */
.modal-overlay.open {
    display: flex !important;
    animation: fadeIn 0.3s ease-out forwards;
}

.modal-overlay.open .modal-box {
    animation: slideUp 0.3s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ===================================================
   10. SEKME (DİNLEME) YAZDIRMA SORUNU ÇÖZÜMÜ
   =================================================== */
@media print {
    /* 1. Önce sayfadaki her şeyi gizle */
    body * {
        visibility: hidden;
    }

    /* 2. Sadece 10. Sekmeyi (listening-tab) görünür yap */
    #listening-tab, #listening-tab * {
        visibility: visible !important;
    }

    /* 3. Sekmeyi kağıdın en tepesine zorla yerleştir */
    #listening-tab {
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 100% !important;
        height: auto !important;
        margin: 0 !important;
        padding: 0 !important;
        display: block !important;
        background-color: white !important;
        z-index: 9999; /* Diğer her şeyin üstünde olsun */
    }

    /* 4. Sekme içindeki gereksiz butonları gizle */
    #listening-tab button, 
    #listening-tab .no-print, 
    #listening-tab .helper-text {
        display: none !important;
    }

    /* 5. Dikey (Vertical) yazıları yazıcıda düzgün göster */
    #listening-tab .vertical-text {
        writing-mode: vertical-rl !important;
        transform: rotate(180deg) !important;
        white-space: normal;
        text-align: left !important;
        -webkit-print-color-adjust: exact !important; /* Renkleri koru */
        print-color-adjust: exact !important;
    }
    
    /* 6. Tablo kenarlıklarını siyah ve net yap */
    #listening-tab table, 
    #listening-tab th, 
    #listening-tab td {
        border: 1px solid #000 !important;
    }
}

/* --- 10. SEKME DİKEY YAZI AYARI --- */
/* --- 8. ve 10. SEKME DİKEY YAZI AYARLARI (ORTAK) --- */
#listening-tab .vertical-header-container,
#performance-high-tab .vertical-header-container { /* BURAYI EKLEDİK */
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 5px;
}

#listening-tab .vertical-text,
#performance-high-tab .vertical-text { /* BURAYI EKLEDİK */
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    text-align: left;
    white-space: normal; /* <br> çalışsın diye */
    font-size: 11px;
    line-height: 1.3;
}