:root {
    --bg-dark: #0f0f13;
    --bg-panel: #16161a;
    --bg-card: #1c1c22;
    --text-main: #ffffff;
    --text-muted: #8b8b99;
    
    --accent-purple: #7b42f6;
    --accent-purple-light: #9d72ff;
    --accent-green: #22c55e;
    --accent-yellow: #eab308;
    --accent-orange: #f97316;
    --accent-teal: #14b8a6;
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;
    
    --border-color: #2a2a35;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

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

.brand {
    display: flex;
    align-items: center;
    padding: 0 24px;
    margin-bottom: 40px;
    gap: 12px;
}

.logo-icon {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.brand-text h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--accent-purple-light);
    letter-spacing: 1px;
}

.menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 16px;
    gap: 8px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
}

.menu-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.menu-item.active {
    background-color: rgba(123, 66, 246, 0.15);
    color: var(--accent-purple-light);
    border: 1px solid rgba(123, 66, 246, 0.3);
}

.user-profile {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    gap: 12px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.user-info h4 { font-size: 0.9rem; }
.user-info span { font-size: 0.75rem; color: var(--text-muted); }

/* Main Content */
.content {
    flex: 1;
    overflow-y: auto;
    padding: 30px 40px;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 16px;
    width: 300px;
    gap: 10px;
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-main);
    outline: none;
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    transition: opacity 0.2s;
}

.btn:hover { opacity: 0.9; }
.btn-primary { background-color: rgba(123, 66, 246, 0.2); border: 1px solid var(--accent-purple); color: var(--accent-purple-light); }
.btn-play { background-color: rgba(59, 130, 246, 0.2); border: 1px solid var(--accent-blue); color: #60a5fa; }
.btn-pause { background-color: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); }

.welcome-section {
    margin-bottom: 30px;
}

.welcome-section h1 { font-size: 1.8rem; margin-bottom: 8px; }
.welcome-section p { color: var(--text-muted); }

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.metric-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.value-large { font-size: 1.8rem; font-weight: bold; margin-right: 5px; }
.value-huge { font-size: 2.2rem; font-weight: bold; }
.label { font-size: 0.75rem; font-weight: bold; color: var(--text-muted); margin-right: 15px; }

.text-green { color: var(--accent-green); }
.text-yellow { color: var(--accent-yellow); }
.text-teal { color: var(--accent-teal); }
.text-red { color: var(--accent-red); }

.icon-purple { color: var(--accent-purple-light); }
.icon-orange { color: var(--accent-orange); }
.icon-gold { color: #fbbf24; }
.icon-teal { color: var(--accent-teal); }
.icon-red { color: var(--accent-red); }

/* Bottom Grid (Charts & History) */
.bottom-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.chart-section, .resource-section, .recent-logs-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

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

.section-header p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.chart-container {
    height: 250px;
    width: 100%;
}

/* Placeholder for resource tracking */
.placeholder-bar-chart {
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    padding-top: 20px;
}
.placeholder-bar-chart .bar {
    width: 40px;
    background: linear-gradient(to top, var(--accent-purple), var(--accent-blue));
    border-radius: 4px 4px 0 0;
    opacity: 0.7;
}

.opacity-50 {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Logs */
.logs-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.log-entry {
    background-color: rgba(255, 255, 255, 0.02);
    padding: 10px 15px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.85rem;
    border-left: 3px solid var(--accent-blue);
    white-space: pre-wrap;
    word-break: break-all;
}

.log-entry.INFO { border-left-color: var(--accent-blue); }
.log-entry.WARNING { border-left-color: var(--accent-yellow); color: var(--accent-yellow); }
.log-entry.ERROR { border-left-color: var(--accent-red); color: var(--accent-red); }

.view-all {
    color: var(--accent-purple-light);
    text-decoration: none;
    font-size: 0.85rem;
}

/* Table Styles (For workers.html later) */
.table-container {
    width: 100%;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
th {
    color: var(--text-muted);
    font-weight: normal;
}