:root {
    --sidebar-width: 250px;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

[data-bs-theme="light"] {
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
}

body {
    min-height: 100vh;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    transition: margin-left 0.3s ease;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

.sidebar.collapsed {
    margin-left: calc(var(--sidebar-width) * -1);
}

#page-content-wrapper {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
}

.sidebar.collapsed + #page-content-wrapper {
    margin-left: 0;
}

.sidebar-link {
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
    color: inherit;
    transition: all 0.2s;
}

.sidebar-link:hover, .sidebar-link.active {
    background: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
}

/* Glass cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Login */
.login-container {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 50%, #0d1b2a 100%);
}

.login-card {
    animation: fadeInUp 0.5s ease;
}

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

/* Stats */
.stat-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
}

/* Tables */
.table th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom-width: 2px;
}

.table td {
    vertical-align: middle;
}

/* Severity row colors */
.severity-critical { border-left: 4px solid var(--bs-danger) !important; }
.severity-high { border-left: 4px solid var(--bs-warning) !important; }
.severity-medium { border-left: 4px solid var(--bs-info) !important; }
.severity-low { border-left: 4px solid var(--bs-primary) !important; }
.severity-informational { border-left: 4px solid var(--bs-secondary) !important; }

/* Upload zone */
.upload-zone {
    border-style: dashed !important;
    cursor: pointer;
    transition: background 0.2s;
}

.upload-zone:hover {
    background: var(--bs-primary-bg-subtle);
}

.upload-zone.drag-over {
    background: var(--bs-primary-bg-subtle);
    border-color: var(--bs-primary) !important;
}

/* Letter spacing for TOTP */
.letter-spacing-2 {
    letter-spacing: 0.5em;
}

/* Comments */
.comment-item {
    border-left: 3px solid var(--glass-border);
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.comment-item.internal {
    border-left-color: var(--bs-warning);
    background: rgba(var(--bs-warning-rgb), 0.05);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.comment-replies {
    margin-left: 1.5rem;
    margin-top: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }

    .sidebar.show {
        margin-left: 0;
    }

    #page-content-wrapper {
        margin-left: 0;
    }
}

/* Navbar */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bs-secondary);
}

/* Toast customization */
.toast {
    border-radius: 0.75rem;
}

/* Badge improvements */
.badge {
    font-weight: 500;
}

/* Tab styling */
.nav-tabs .nav-link {
    border-radius: 0.5rem 0.5rem 0 0;
}

/* Attachment list items */
.attachment-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
    background: var(--glass-bg);
}

.attachment-item:hover {
    background: var(--bs-primary-bg-subtle);
}