:root {
    --bg-main: #0d1117;
    --bg-panel: #161b22;
    --bg-sidebar: #0b0f14;
    --border-color: #30363d;
    --text-primary: #ffffff;
    --text-secondary: #ffffff;
    
    --color-blue: #58a6ff;
    --color-red: #f85149;
    --color-green: #3fb950;
    --color-yellow: #d29922;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Roboto', -apple-system, sans-serif;
    margin: 0;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.font-header {
    text-transform: uppercase;
    letter-spacing: 1px;
}

.font-mono {
    font-family: 'Roboto Mono', 'Courier New', monospace;
    font-size: 0.9em;
}

/* Colors */
.text-danger { color: var(--color-red) !important; }
.text-success { color: var(--color-green) !important; }
.text-warning { color: var(--color-yellow) !important; }
.text-primary { color: var(--color-blue) !important; }
.text-muted { color: var(--text-secondary) !important; }

.bg-danger { background-color: var(--color-red) !important; color: #fff !important; }
.bg-success { background-color: var(--color-green) !important; color: #fff !important; }
.bg-warning { background-color: var(--color-yellow) !important; color: #000 !important; }
.bg-secondary { background-color: var(--border-color) !important; color: var(--text-primary) !important; }
.bg-primary { background-color: var(--color-blue) !important; color: #000 !important; }

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.sidebar-header img {
    width: 40px;
    height: 40px;
    margin-right: 15px;
}

.nav-link {
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.nav-link:hover {
    background-color: var(--bg-panel);
    color: var(--text-primary);
}

.nav-link.active {
    background-color: var(--bg-panel);
    color: #fff;
    border-left-color: var(--color-blue);
}

.nav-link i {
    width: 25px;
    text-align: center;
    margin-right: 10px;
}

.content-area {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    height: 100vh;
}

.page-section {
    display: none;
    animation: fadeIn 0.2s ease-in-out;
}

.page-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* UI Elements */
.scp-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.badge {
    border-radius: 3px;
    padding: 4px 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.progress {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    height: 8px;
}

.progress-bar {
    border-radius: 2px;
}

/* Forms */
.form-control, .form-select {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-main);
    border-color: var(--color-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(88, 166, 255, 0.25);
}

.btn-scp {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 8px 16px;
    transition: all 0.2s;
}

.btn-scp:hover {
    background-color: var(--border-color);
    color: #fff;
}

.btn-scp-primary {
    background-color: transparent;
    border: 1px solid var(--color-blue);
    color: var(--color-blue);
}

.btn-scp-primary:hover {
    background-color: var(--color-blue);
    color: #fff;
}

/* Terminal / Tables */
.table {
    color: var(--text-primary);
    margin-bottom: 0;
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
}

.table th {
    background-color: transparent !important;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 12px;
}

.table td {
    background-color: transparent !important;
    border-bottom: 1px solid var(--border-color);
    padding: 12px;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: rgba(255,255,255,0.02);
}

.blink {
    animation: blinker 1s step-start infinite;
}

@keyframes blinker {
    50% { opacity: 0; }
}