:root {
    --bg-color: #000000;
    --card-bg: #1A1A1A;
    /* Dark Charcoal for cards */
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    /* Light Gray */
    --accent-color: #80E01A;
    /* Lime Green */
    --accent-hover: #6BC215;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --border-color: #333333;
    --card-radius: 12px;
    --btn-radius: 8px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Roboto', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    margin-bottom: 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 900;
    /* Heavy weight for headers */
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

h1 span.highlight {
    color: var(--accent-color);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
    font-weight: 300;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-transform: uppercase;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    /* Deep shadows */
    border-color: var(--accent-color);
}

.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-up {
    background-color: var(--accent-color);
    /* Use branding for 'good' status if appropriate, or keep green */
    box-shadow: 0 0 10px var(--accent-color);
}

.status-down {
    background-color: var(--error-color);
    box-shadow: 0 0 10px var(--error-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.endpoint-indicators {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.status-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    /* Remove underline for links */
    transition: transform 0.1s, opacity 0.2s;
}

.status-dot:hover {
    transform: translateY(-1px);
    opacity: 0.9;
    cursor: pointer;
}

.status-dot.up {
    color: var(--success-color);
    border-color: rgba(34, 197, 94, 0.3);
    background-color: rgba(34, 197, 94, 0.1);
}

.status-dot.down {
    color: var(--error-color);
    border-color: rgba(239, 68, 68, 0.3);
    background-color: rgba(239, 68, 68, 0.1);
}

.service-name {
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0;
    color: var(--text-primary);
}

.service-url {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-top: 0.25rem;
    word-break: break-all;
    transition: color 0.2s;
}

.service-url:hover {
    color: var(--accent-color);
}

.metrics {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.metric-value {
    font-weight: 700;
    color: var(--text-primary);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--btn-radius);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Primary Button: Solid Lime Green with Black Text */
.btn-primary {
    background-color: var(--accent-color);
    color: #000000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    background-color: #000000;
    /* Dark input background */
    border: 1px solid var(--border-color);
    border-radius: var(--btn-radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
    box-sizing: border-box;
    /* Fix padding issue */
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(128, 224, 26, 0.2);
}

.add-service-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.2s;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--accent-color);
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* Flash Messages */
.flash-message {
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(128, 224, 26, 0.1);
    border-radius: var(--btn-radius);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-weight: 500;
}

footer {
    margin-top: 4rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    /* Added top border to footer */
    padding-top: 2rem;
}

/* Heatmap Styles */
.heatmap {
    display: flex;
    gap: 2px;
    margin-top: 1rem;
    height: 24px;
    align-items: flex-end;
}

.heatmap-bar {
    flex: 1;
    background-color: var(--card-bg);
    /* Default empty state */
    border-radius: 2px;
    height: 100%;
    min-width: 4px;
    position: relative;
    transition: opacity 0.2s;
}

.heatmap-bar.status-up {
    background-color: var(--accent-color);
    box-shadow: 0 0 5px rgba(128, 224, 26, 0.4);
}

.heatmap-bar.status-warning {
    background-color: var(--warning-color);
    box-shadow: 0 0 5px rgba(245, 158, 11, 0.4);
}

.heatmap-bar.status-down {
    background-color: var(--error-color);
    box-shadow: 0 0 5px rgba(239, 68, 68, 0.4);
}

.heatmap-bar:hover {
    opacity: 0.8;
}

/* Tooltip for heatmap bars (optional, can be done with title attribute for simplicity) */