.dop-register {
    font-family: inherit;
    max-width: 100%;
}

.dop-register-loading {
    opacity: 0.7;
}

.dop-register-health {
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    background: #eef7ee;
    color: #1e5e1e;
}

.dop-register-health-unknown {
    background: #f3f3f3;
    color: #555;
}

.dop-register-error {
    padding: 16px;
    border-radius: 6px;
    background: #fdecea;
    color: #611a15;
    border-left: 4px solid #c0392b;
}

/* Tabs */

.dop-register-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid #eee;
    margin-bottom: 24px;
}

.dop-register-tab {
    background: none;
    border: none;
    padding: 10px 18px;
    font-size: 1em;
    cursor: pointer;
    color: #777;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.dop-register-tab:hover {
    color: #333;
}

.dop-register-tab-active {
    color: #222;
    border-bottom-color: #555;
    font-weight: 600;
}

.dop-register-tab-panel-hidden {
    display: none;
}

.dop-register-subheading {
    margin-top: 32px;
}

/* Ecosystem graph (box nodes) */

.dop-register-graph-svg {
    width: 100%;
    height: auto;
    display: block;
    margin: 16px auto 0 auto;
}

.dop-register-graph-ring {
    fill: none;
    stroke: #e2e2e2;
    stroke-width: 1;
    stroke-dasharray: 2, 4;
}

.dop-register-graph-box {
    fill: #ffffff;
    stroke: #ccc;
    stroke-width: 1.5;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.08));
}

.dop-register-graph-box-observer {
    fill: #f5f0ff;
    stroke: #9b7fd4;
    stroke-width: 1.5;
    stroke-dasharray: 4, 3;
}

.dop-register-graph-label {
    font-size: 12px;
    font-weight: 600;
    fill: #333;
}

.dop-register-graph-version {
    font-size: 10px;
    fill: #888;
}

.dop-register-graph-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
    margin-top: 14px;
    font-size: 0.85em;
    color: #666;
}

.dop-register-legend-line {
    display: inline-block;
    width: 24px;
    height: 0;
    border-top: 2px solid #999;
    vertical-align: middle;
    margin-right: 4px;
}

.dop-register-legend-dashed {
    border-top-style: dashed;
}

    .dop-register-legend-required {
        border-top-color: #2c7a7b;
        border-top-width: 2.5px;
    }

    .dop-register-legend-optional {
        border-top-color: #94a3ab;
        border-top-style: dashed;
    }

/* Structural history chart */

.dop-register-chart-svg {
    width: 100%;
    height: auto;
}

.dop-register-chart-label {
    font-size: 11px;
    fill: #555;
}

.dop-register-snapshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.dop-register-snapshot-card {
    text-align: center;
    padding: 10px 6px;
    border-radius: 6px;
    border-top: 4px solid #999;
    background: #fafafa;
}

.dop-register-snapshot-green {
    border-top-color: #27ae60;
}

.dop-register-snapshot-red {
    border-top-color: #c0392b;
}

.dop-register-snapshot-blue {
    border-top-color: #2980b9;
}

.dop-register-snapshot-label {
    font-size: 0.8em;
    color: #999;
}

.dop-register-snapshot-count {
    font-size: 1.4em;
    font-weight: bold;
    margin-top: 4px;
}

.dop-register-snapshot-unit {
    font-size: 0.75em;
    color: #888;
}

.dop-register-snapshot-health {
    font-size: 0.8em;
    font-weight: 600;
    margin-top: 6px;
}

.dop-register-snapshot-drift {
    font-size: 0.75em;
    color: #888;
}

/* Modules: connection-count bubble chart */

.dop-register-module-chart {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-bottom: 36px;
    padding: 20px 0;
}

.dop-register-module-bubble {
    border-radius: 50%;
    border: 2px solid #a8d5b5;
    background: #eef7ee;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6px;
    box-sizing: border-box;
}

.dop-register-module-bubble-name {
    font-size: 0.8em;
    font-weight: 600;
    color: #1e5e1e;
    line-height: 1.2;
}

.dop-register-module-bubble-links {
    font-size: 0.7em;
    color: #4c8a5c;
    margin-top: 2px;
}

/* Modules: card grid */

.dop-register-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.dop-register-module-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 14px 16px;
    background: #fff;
}

.dop-register-module-card h3 {
    margin: 0 0 4px 0;
    font-size: 1.05em;
}

.dop-register-module-id {
    font-family: monospace;
    color: #888;
    font-size: 0.85em;
    margin: 0 0 8px 0;
}

.dop-register-module-card p {
    margin: 2px 0;
    font-size: 0.9em;
}

.dop-register-status {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    text-transform: uppercase;
    background: #eef7ee;
    color: #1e5e1e;
}

/* Drift events */

.dop-register-drift-list {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dop-register-drift-item {
    border-left: 4px solid #999;
    background: #fafafa;
    padding: 10px 14px;
    border-radius: 4px;
}

.dop-register-drift-header {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 4px;
}

.dop-register-drift-severity {
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.8em;
}

.dop-register-drift-module {
    font-family: monospace;
    color: #555;
}

.dop-register-drift-meta,
.dop-register-drift-action {
    font-size: 0.85em;
    color: #666;
    margin: 2px 0;
}