:root {
    --main-bg: #0f172a;       /* Deep Navy */
    --second-bg: #1e293b;     /* Lighter Navy */
    --sidebar-bg: #0b1120;    /* Darkest Navy */
    --text-color: #cbd5e1;    /* Soft White */
    --accent-color: #0ea5e9;  /* Cyber Blue */
    --accent-glow: rgba(14, 165, 233, 0.5);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

body {
    background-color: var(--main-bg);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-monospace {
    font-family: 'JetBrains Mono', monospace;
    color: #fff;
}

/* Sidebar Styling */
#wrapper { overflow-x: hidden; }
.cyber-sidebar {
    min-height: 100vh;
    margin-left: -15rem;
    transition: margin 0.25s ease-out;
    background-color: var(--sidebar-bg);
    border-right: 1px solid rgba(255,255,255,0.05);
}
.cyber-sidebar .list-group { width: 15rem; }
#wrapper.toggled .cyber-sidebar { margin-left: 0; }
#page-content-wrapper { width: 100%; transition: margin 0.25s ease-out; }

@media (min-width: 768px) {
    .cyber-sidebar { margin-left: 0; }
    #wrapper.toggled .cyber-sidebar { margin-left: -15rem; }
}

.sidebar-heading { color: var(--accent-color); letter-spacing: 2px; }
.list-group-item { 
    border: none; padding: 15px 30px; 
    color: var(--text-color); 
    transition: all 0.3s; 
    border-left: 3px solid transparent;
}
.list-group-item:hover { 
    color: var(--accent-color); 
    background: rgba(255,255,255,0.03) !important;
    padding-left: 35px;
}
.active-link { 
    color: var(--accent-color) !important; 
    background: linear-gradient(90deg, rgba(14,165,233,0.1), transparent) !important; 
    border-left: 3px solid var(--accent-color); 
}
.locked-link { opacity: 0.5; cursor: not-allowed; }

/* Cyber Glass Cards */
.cyber-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
}
.cyber-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.15);
    border-color: rgba(14, 165, 233, 0.3);
}

/* Neon Buttons */
.btn-cyber {
    background: linear-gradient(135deg, var(--accent-color), #3b82f6);
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}
.btn-cyber:hover {
    box-shadow: 0 0 25px var(--accent-color);
    transform: scale(1.02);
    color: white;
}

/* Form Inputs */
.form-control {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 12px;
}
.form-control:focus {
    background: rgba(0,0,0,0.5);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.25);
    color: white;
}

/* Animations */
.fade-in-up { animation: fadeInUp 0.6s ease forwards; opacity: 0; transform: translateY(20px); }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

.cyber-alert {
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid var(--accent-color);
    color: white;
    backdrop-filter: blur(5px);
}

/* Watchtower Badges */
.watchtower-badge {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    display: flex; align-items: center; gap: 8px;
    animation: slideDown 0.3s ease-out;
}
.watchtower-badge.safe { background: rgba(16, 185, 129, 0.15); border: 1px solid #10b981; color: #10b981; }
.watchtower-badge.danger { background: rgba(239, 68, 68, 0.15); border: 1px solid #ef4444; color: #ef4444; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }