:root {
    --bg-dark: #06090f;
    --sidebar-bg: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --accent: #2196f3;
    --accent-glow: rgba(33, 150, 243, 0.3);
    --text-primary: #f0f6fc;
    --text-muted: #8b949e;
    --border: #30363d;
    --success: #238636;
    --danger: #f85149;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.brand {
    padding: 0 20px 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    background: var(--accent);
    color: white;
    font-family: 'Orbitron', sans-serif;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.brand-name {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.nav-menu {
    list-style: none;
    flex-grow: 1;
}

.nav-item {
    padding: 12px 25px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-right: 3px solid var(--accent);
}

.sidebar-footer {
    padding: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 5px var(--success); }

/* Main Content */
.main-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px 40px;
    background: radial-gradient(circle at top right, #112 0%, #06090f 100%);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.search-bar {
    background: var(--sidebar-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    width: 450px;
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    font-size: 0.95rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    grid-template-rows: auto auto;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
}

.tool-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s;
}

.tool-card:hover { border-color: var(--accent); background: rgba(33, 150, 243, 0.05); }
.tool-card.selected { border-color: var(--accent); background: rgba(33, 150, 243, 0.1); box-shadow: 0 0 15px var(--accent-glow); }

.tool-name { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.9rem;}
.tool-desc { font-size: 0.75rem; color: var(--text-muted); }

/* Console */
.activity-section { grid-column: 2; grid-row: 1 / 3; }

.console {
    flex-grow: 1;
    background: #000;
    border-radius: 4px;
    padding: 15px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    overflow-y: auto;
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.console .line { margin-bottom: 4px; }
.console .muted { color: var(--text-muted); }
.console .success { color: #50fa7b; }
.console .error { color: #ff5555; }

/* History */
.history-list { display: flex; flex-direction: column; gap: 10px; max-height: 300px; overflow-y: auto; }
.history-item {
    background: rgba(255,255,255,0.03);
    padding: 12px 15px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    cursor: pointer;
}
.history-item:hover { background: rgba(255,255,255,0.05); }

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
}
.btn-primary { background: var(--accent); color: white; width: 100%; box-shadow: 0 4px 10px var(--accent-glow); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-success { background: var(--success); color: white; }

/* Modals */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-content {
    background: var(--sidebar-bg);
    width: 600px;
    max-height: 80vh;
    border-radius: 12px;
    padding: 30px;
    position: relative;
    overflow-y: auto;
}
.hidden { display: none !important; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }