@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Yazı Tipi */
    --font-primary: 'Outfit', sans-serif;

    /* Aydınlık Tema Renkleri (Light Mode) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary-color: #10b981; /* Modern Zümrüt Yeşili */
    --primary-hover: #059669;
    --secondary-color: #3b82f6; /* Modern Mavi */
    --secondary-hover: #2563eb;
    --danger-color: #ef4444; /* Modern Kırmızı */
    --danger-hover: #dc2626;
    
    --sidebar-bg: #1e293b;
    --sidebar-text: #cbd5e1;
    --sidebar-active-bg: #10b981;
    --sidebar-active-text: #ffffff;
    --sidebar-hover-bg: #334155;
    
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --card-border: 1px solid #e2e8f0;
    
    --table-header-bg: #f1f5f9;
    --table-border: #e2e8f0;
    --table-row-hover: #f8fafc;
    
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-focus: #10b981;
    
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Karanlık Tema Renkleri (Dark Mode) */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --primary-color: #10b981;
    --primary-hover: #34d399;
    --secondary-color: #3b82f6;
    --secondary-hover: #60a5fa;
    --danger-color: #ef4444;
    --danger-hover: #f87171;
    
    --sidebar-bg: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active-bg: #10b981;
    --sidebar-active-text: #ffffff;
    --sidebar-hover-bg: #1e293b;
    
    --card-bg: #1e293b;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --card-border: 1px solid #334155;
    
    --table-header-bg: #0f172a;
    --table-border: #334155;
    --table-row-hover: #1e293b;
    
    --input-bg: #0f172a;
    --input-border: #334155;
    --input-focus: #34d399;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    display: flex;
    height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Yan Menü (Sidebar) */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    border-right: var(--card-border);
}

.sidebar h2 {
    font-size: 1.3rem;
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 15px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.sidebar a {
    text-decoration: none;
    color: var(--sidebar-text);
    padding: 12px 15px;
    margin: 4px 0;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar a:hover {
    background-color: var(--sidebar-hover-bg);
    color: white;
}

.sidebar a.active {
    background-color: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
    font-weight: 600;
}

.user-info {
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--card-border);
    padding-top: 15px;
}

/* Ana İçerik */
.main-content {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
    box-sizing: border-box;
    transition: background-color var(--transition-normal);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    border: var(--card-border);
    transition: background-color var(--transition-normal), border var(--transition-normal);
}

.header h1 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    border: var(--card-border);
    margin-bottom: 25px;
    transition: background-color var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 600;
}

/* Form Elemanları */
label {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    margin: 4px 0 16px 0;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    box-sizing: border-box;
    font-family: var(--font-primary);
    font-size: 0.92rem;
    transition: border-color var(--transition-fast), background-color var(--transition-normal), color var(--transition-normal);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

button {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: background-color var(--transition-fast), transform 0.1s ease;
}

button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

button.secondary {
    background-color: var(--secondary-color);
}

button.secondary:hover {
    background-color: var(--secondary-hover);
}

button.danger {
    background-color: var(--danger-color);
}

button.danger:hover {
    background-color: var(--danger-hover);
}

/* Tablolar */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    text-align: left;
    padding: 14px;
    border-bottom: 1px solid var(--table-border);
    font-size: 0.92rem;
    transition: border-color var(--transition-normal);
}

table th {
    background-color: var(--table-header-bg);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
}

table td {
    color: var(--text-primary);
}

table tr {
    transition: background-color var(--transition-fast);
}

table tr:hover {
    background-color: var(--table-row-hover);
}

/* --- TEMA GEÇİŞ DÜĞMESİ (THEME TOGGLE) --- */
.theme-toggle-container {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
}

.theme-toggle-label {
    font-size: 0.82rem;
    color: var(--sidebar-text);
    font-weight: 500;
}

.theme-toggle-btn {
    background: var(--sidebar-hover-bg);
    border: 1px solid var(--card-border);
    color: var(--sidebar-text);
    padding: 6px 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* --- PUANTAJ / LİDER KARTLARI --- */
.leader-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.leader-card {
    background: var(--card-bg);
    border-left: 5px solid var(--primary-color);
    padding: 20px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    border-top: var(--card-border);
    border-right: var(--card-border);
    border-bottom: var(--card-border);
    transition: background-color var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal);
}

.leader-card h4 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
    border-bottom: 1px solid var(--table-border);
    padding-bottom: 8px;
    font-size: 1.05rem;
    font-weight: 600;
}

.leader-card p {
    margin: 6px 0;
    font-size: 0.88rem;
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
}

/* --- TAB YAPISI (Sekmeler) --- */
.tab-header {
    display: flex;
    border-bottom: 2px solid var(--table-border);
    margin-bottom: 25px;
    gap: 10px;
}

.tab-btn {
    background-color: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 12px 20px;
    font-size: 0.98rem;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: var(--transition-fast);
    border-radius: 0;
    margin: 0;
}

.tab-btn:hover {
    background-color: var(--table-row-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    background-color: transparent;
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeEffect 0.4s;
}

@keyframes fadeEffect {
    from {opacity: 0; transform: translateY(4px);}
    to {opacity: 1; transform: translateY(0);}
}

/* --- YAZICI / PDF ÇIKTISI İÇİN ÖZEL STİLLER --- */
@media print {
    .sidebar, 
    .user-info, 
    button, 
    form,
    .filter-panel,
    .theme-toggle-container {
        display: none !important;
    }

    body {
        background-color: white !important;
        color: black !important;
        height: auto;
        display: block;
    }

    .main-content {
        margin: 0;
        padding: 0;
        width: 100%;
        overflow: visible;
    }

    .card {
        box-shadow: none !important;
        border: none !important;
        margin: 0;
        padding: 0;
        background: transparent !important;
    }

    .card:has(form) {
        display: none !important;
    }

    table {
        width: 100%;
        border: 1px solid #000 !important;
        border-collapse: collapse;
        font-size: 11px;
    }

    th, td {
        border: 1px solid #000 !important;
        padding: 6px;
        color: #000 !important;
    }

    th {
        background-color: #f0f0f0 !important;
        -webkit-print-color-adjust: exact;
    }
    
    .header {
        display: block !important;
        background: transparent;
        box-shadow: none;
        border-bottom: 2px solid #000;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .header h1 {
        margin: 0;
        font-size: 20px;
        color: #000;
    }

    .card h3 {
        display: block !important;
        font-size: 14px;
        margin-bottom: 8px;
        color: #000;
        border-bottom: 1px solid #ccc;
    }
    
    .search-container {
        display: none !important;
    }
}