:root {
    /* Renk Paleti - Görüntülerdeki Modern Tonlar */
    --bg-dark-navy: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.7); /* Şeffaf Cam Efekti */
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

/* Genel Yapı */
body {
    background-color: var(--bg-dark-navy) !important;
    color: var(--text-main);
    margin: 0;
    display: flex;
    font-family: 'Inter', -apple-system, sans-serif;
    min-height: 100vh;
}

/* Sidebar - Sabit ve Şık */
.sidebar {
    width: 260px;
    height: 100vh;
    background-color: var(--sidebar-bg);
    position: fixed;
    left: 0;
    top: 0;
    padding: 25px 15px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
}

.sidebar-logo { 
    font-size: 1.4rem; 
    font-weight: 800; 
    color: var(--accent-blue); 
    margin-bottom: 5px; 
    text-transform: uppercase;
    font-style: italic;
}

/* Navigasyon Linkleri */
.nav-link { 
    color: var(--text-muted); 
    padding: 12px 15px; 
    border-radius: 10px; 
    margin-bottom: 4px; 
    text-decoration: none; 
    display: flex; 
    align-items: center; 
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active { 
    background: rgba(59, 130, 246, 0.15); 
    color: #fff !important; 
}

/* Ana İçerik Alanı */
.main-content {
    flex-grow: 1;
    margin-left: 260px;
    padding: 40px;
    min-height: 100vh;
}

/* Finansal Kartlar - Cam Efekti (Glassmorphism) */
.fin-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.fin-card:hover { 
    transform: translateY(-5px); 
    border-color: var(--accent-blue);
}

.stat-label { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    font-weight: 700; 
}

.stat-value { 
    font-size: 2.25rem; 
    font-weight: 800; 
    margin-top: 8px; 
}

/* --- LOGIN ÖZEL (İşlevi Bozmayan Nokta Atışı) --- */
.login-body {
    background-color: var(--bg-dark-navy) !important;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background-color: var(--sidebar-bg);
    padding: 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.login-input {
    background-color: var(--bg-dark-navy) !important;
    border: 1px solid #334155 !important;
    color: #fff !important;
    padding: 12px !important;
    border-radius: 10px !important;
}

.btn-login {
    background-color: var(--accent-blue);
    border: none;
    font-weight: 700;
    padding: 14px;
    border-radius: 10px;
    transition: 0.3s;
}

.btn-login:hover { background-color: #2563eb; transform: scale(1.02); }
/* Dinamik İlerleme Çubuğu Ayarı */
.progress-dynamic {
    width: var(--progress, 0%); /* Eğer değer gelmezse %0 göster */
    transition: width 0.8s ease-in-out; /* Barın yavaşça dolma efekti */
}

.bg-asit {
    background-color: #10b981 !important; /* Yeşil tonu */
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.bg-cari {
    background-color: #3b82f6 !important; /* Mavi tonu */
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}
.custom-fin-table {
    background: transparent !important;
    border-collapse: separate;
    border-spacing: 0 8px;
}

.custom-fin-table thead th {
    border: none;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 1px;
    padding: 15px;
}

.custom-fin-table tbody tr {
    background: rgba(30, 41, 59, 0.4);
    transition: transform 0.2s;
}

.custom-fin-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.1) !important;
    transform: scale(1.01);
}

.custom-fin-table td {
    border: none;
    padding: 15px;
    vertical-align: middle;
}
/* Özel Tab Buton Tasarımı */
.nav-pills .nav-link.btn-tab {
    background: rgba(30, 41, 59, 0.5); /* Yarı saydam arka plan */
    color: #94a3b8; /* Gri yazı rengi */
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 10px 30px;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 0 5px;
}

/* Üzerine Gelince (Hover) */
.nav-pills .nav-link.btn-tab:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #fff;
    border-color: rgba(59, 130, 246, 0.3);
}

/* Aktif Buton (Seçili Olan) */
.nav-pills .nav-link.btn-tab.active {
    background: linear-gradient(135, #3b82f6 0%, #2563eb 100%) !important; /* Mavi degrade */
    color: white !important;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4); /* Parlama efekti */
    border: none;
}