:root {
            --bg-body: #0a0a0c; --text-main: #ffffff; --accent: #ff0000;
            --input-bg: #121214; --input-border: #252528; --input-text: #ffffff;
        }

        [data-theme="light"] {
            --bg-body: #c5beb1; --text-main: #1e1e1f; --accent: #b30000;
            --input-bg: #b9b3a3; --input-border: #a8a292; --input-text: #000000;
        }

        body { 
            background-color: var(--bg-body); color: var(--text-main); 
            font-family: 'Exo 2', sans-serif; min-height: 100vh; margin: 0; 
            display: flex; align-items: center; justify-content: center;
            transition: all 0.4s ease;
            flex-direction: column;
            }



        /* --- NAVBAR (Index ile tam uyumlu) --- */
        .ks-navbar { 
            background: var(--input-bg) !important; 
            border-bottom: 2px solid var(--accent) !important; 
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000; 
            padding: 12px 0; backdrop-filter: blur(15px);
        }

        [data-theme="light"] .ks-navbar {
            background: var(--input-bg) !important;
        }

        .nav-brand { 
            font-family: 'Orbitron', sans-serif; color: var(--accent) !important; 
            font-weight: 900; letter-spacing: 5px; text-decoration: none; font-size: 1.8rem;
            text-shadow: 0 0 10px rgba(255, 0, 0, 0.2); text-transform: uppercase;
        }

        @media (max-width: 576px) { .nav-brand { letter-spacing: 2px; font-size: 1.2rem; } }

        .btn-terminal {
            background: rgba(255,255,255,0.05); border: 1px solid var(--accent); color: var(--accent); 
            width: 38px; height: 38px; border-radius: 4px; cursor: pointer; 
            display: flex; align-items: center; justify-content: center; transition: 0.3s;
        }
        .btn-terminal:hover { background: var(--accent); color: #fff; }

        /* --- MERKEZİ KART (Çerçevesiz Orijinal Stil) --- */
        .ks-card { width: 100%; max-width: 400px; padding: 20px; text-align: center; margin-top: 85px; margin-bottom: 30px; }
        
        .form-label { color: var(--accent) !important; font-weight: 900; font-size: 0.75rem; text-align: left; display: block; margin-bottom: 8px; text-transform: uppercase; font-family: 'Exo 2'; }
        
        .form-control { 
            background: var(--input-bg) !important; 
            border: 1px solid var(--input-border) !important; 
            color: var(--input-text) !important; 
            padding: 14px; border-radius: 2px; margin-bottom: 15px; 
            font-weight: 600; font-family: 'Exo 2'; 
        }
        
        .btn-ks { 
            background: var(--accent) !important; color: #fff !important; 
            font-weight: 900; border: none; padding: 16px; width: 100%; 
            letter-spacing: 1px; text-transform: uppercase; transition: 0.4s; 
            font-family: 'Exo 2'; cursor: pointer; 
        }
        .btn-ks:hover { filter: brightness(1.2); letter-spacing: 3px; }



        .lang-btn.active {

            background: rgba(255, 0, 0, 0.2) !important;

            border: 1px solid #ff0000 !important;

            color: #fff !important;

        }


/* Offcanvas Genel */
.menu-header-title { color: var(--accent); font-weight: 900; font-family: 'Exo 2'; margin: 0; text-transform: uppercase; letter-spacing: 1px; }
.offcanvas { background-color: var(--bg-card) !important; border-left: 1px solid var(--border-color) !important; }

/* Akordiyon Özelleştirme */
.ks-menu-accordion .accordion-item { background: transparent !important; border: none; }
.ks-menu-accordion .accordion-button { 
    background: transparent !important; 
    color: var(--text-main) !important; 
    padding: 18px 25px; 
    font-weight: 600;
    box-shadow: none !important;
    border-bottom: 1px solid var(--border-color);
    font-family: 'Exo 2';
}

/* Açıldığında Butonun Hali */
.ks-menu-accordion .accordion-button:not(.collapsed) { 
    color: var(--accent) !important; 
    background: rgba(var(--accent-rgb), 0.1) !important; 
}

/* Ok İkonu Rengi (Bootstrap okunu beyaza çevirir) */
.ks-menu-accordion .accordion-button::after { 
    filter: brightness(0) invert(1); 
}

/* Alt Menü Linkleri */
.sub-menu-link {
    display: flex;
    align-items: center;
    padding: 14px 25px 14px 50px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.sub-menu-link:hover {
    background: var(--accent);
    color: #000 !important;
    padding-left: 55px;
}

.sub-menu-link i { width: 20px; text-align: center; opacity: 0.7; }

/* Dil Bölümü */
.lang-title { font-size: 0.65rem; color: var(--text-main); opacity: 0.5; font-weight: 900; text-transform: uppercase; margin-bottom: 12px; }
.lang-btn { 
    font-size: 10px; 
    color: var(--text-main) !important; 
    font-family: 'Exo 2'; 
    font-weight: 700; 
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.lang-btn.active { border-color: var(--accent); background: rgba(var(--accent-rgb), 0.1); }



        /* --- FOOTER STİLLERİ --- */
        .ks-footer {
            flex-shrink: 0;
            background: var(--card-bg);
            border-top: 1px solid var(--input-border);
            padding: 25px 0;
            color: var(--text-main);
            width: 100%;
        }
        .footer-brand { font-family: 'Orbitron', sans-serif; color: var(--accent); font-weight: 900; letter-spacing: 2px; font-size: 1.1rem; }
        .status-dot { height: 8px; width: 8px; background-color: #28a745; border-radius: 50%; display: inline-block; margin-right: 5px; box-shadow: 0 0 8px #28a745; }




        /* --- UYARILAR --- */
        .alert-terminal { 
            border-left: 4px solid var(--accent); background: rgba(255,0,0,0.1); 
            color: var(--text-main); font-size: 0.85rem; padding: 15px; 
            margin-bottom: 20px; text-align: left; font-weight: 900; font-family: 'Exo 2'; 
        }
        .alert-success { border-left-color: #00ff00; background: rgba(0,255,0,0.1); }

        /* --- OFFCANVAS --- */
        .offcanvas { background: var(--bg-body) !important; border-left: 2px solid var(--accent) !important; color: var(--text-main) !important; }
        .menu-link { color: var(--text-main); text-decoration: none; font-weight: 600; padding: 18px 25px; display: flex; border-bottom: 1px solid var(--input-border); font-size: 0.9rem; font-family: 'Exo 2'; }