/* ============================================================
   Colo Data Quality Monitor — Styles
   Three-panel IDE layout with clean, readable design
   ============================================================ */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-panel: #ffffff;
    --border: #d0d7de;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8b949e;
    --accent: #0969da;
    --red: #cf222e;
    --yellow: #9a6700;
    --green: #1a7f37;
    --purple: #8250df;
    --blue: #0969da;
    --hover-bg: rgba(9,105,218,0.08);
    --card-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0d1117;
        --bg-secondary: #161b22;
        --bg-panel: #161b22;
        --border: #30363d;
        --text-primary: #e6edf3;
        --text-secondary: #8b949e;
        --text-muted: #484f58;
        --accent: #58a6ff;
        --red: #f85149;
        --yellow: #d29922;
        --green: #3fb950;
        --purple: #bc8cff;
        --blue: #58a6ff;
        --hover-bg: rgba(88,166,255,0.1);
        --card-shadow: 0 1px 3px rgba(0,0,0,0.3);
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
header {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    height: 48px;
}
.header-left { flex: 1; }
.header-center { flex: 2; text-align: center; }
.header-center h1 { font-size: 18px; font-weight: 600; color: var(--accent); }
.header-right { flex: 1; text-align: right; color: var(--text-muted); font-size: 12px; }

#site-selector {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

/* Main */
#main { flex: 1; overflow: hidden; }
.page { height: 100%; overflow-y: auto; padding: 16px; }

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: var(--card-shadow);
}
.card-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.card-value { font-size: 24px; font-weight: 700; }
.card-value.red { color: var(--red); }
.card-value.yellow { color: var(--yellow); }
.card-value.orange { color: #f97316; }
.card-value.green { color: var(--green); }
.card-value.blue { color: var(--accent); }
.card-value.purple { color: var(--purple); }
.card-sub { font-size: 10px; color: var(--text-secondary); margin-top: 2px; }

/* Chart */
.chart-container { margin-bottom: 16px; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }

/* Tables */
.table-container { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 16px; }
.table-container h3 { padding: 10px 16px; font-size: 14px; border-bottom: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th { background: var(--bg-secondary); color: var(--text-secondary); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; padding: 8px 12px; text-align: left; cursor: pointer; user-select: none; }
th:hover { color: var(--accent); }
td { padding: 6px 12px; border-top: 1px solid var(--border); font-size: 13px; }
tr:hover { background: var(--hover-bg); }

/* Status badges */
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-ok { background: rgba(26,127,55,0.15); color: var(--green); }
.badge-erroneous { background: rgba(207,34,46,0.15); color: var(--red); }
.badge-stale { background: rgba(154,103,0,0.15); color: var(--yellow); }
.badge-zero_drop { background: rgba(130,80,223,0.15); color: var(--purple); }
.badge-data_drop { background: rgba(249,115,22,0.15); color: #f97316; }

/* Three-panel layout */
.three-panel {
    display: flex;
    height: calc(100vh - 48px);
    overflow: hidden;
}
.panel {
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 8px;
}
.panel:last-child { border-right: none; }
/* Resize handles */
.resize-handle {
    width: 4px;
    cursor: col-resize;
    background: var(--border);
    flex-shrink: 0;
    transition: background 0.2s;
}
.resize-handle:hover, .resize-handle.active {
    background: var(--accent);
}

.panel-left { width: 220px; flex-shrink: 0; min-width: 150px; }
.panel-center { flex: 1; padding: 12px 16px; min-width: 300px; }
.panel-right { width: 280px; flex-shrink: 0; display: flex; flex-direction: column; min-width: 200px; }
.panel-header { font-size: 13px; font-weight: 600; padding: 4px 8px; margin-bottom: 8px; color: var(--text-secondary); }

/* Tree explorer */
.tree-item {
    display: block;
    width: 100%;
    padding: 3px 8px;
    border: none;
    background: none;
    text-align: left;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tree-item:hover { background: var(--hover-bg); }
.tree-item.active { background: var(--hover-bg); font-weight: 600; }
.tree-back { color: var(--accent); font-size: 12px; margin-bottom: 4px; }
.tree-badge { color: var(--red); font-size: 11px; }
.tree-divider { margin: 4px 0; border-color: var(--border); }

/* Chat panel */
.chat-samples { padding: 4px; }
.chat-sample-btn {
    display: block;
    width: 100%;
    padding: 6px 8px;
    margin-bottom: 4px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    text-align: left;
}
.chat-sample-btn:hover { border-color: var(--accent); background: var(--hover-bg); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    font-size: 13px;
    line-height: 1.5;
}
.chat-hint { color: var(--text-muted); font-size: 12px; }
.chat-user { font-weight: 600; margin-top: 8px; }
.chat-response { margin: 4px 0 8px 0; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.chat-response strong { font-size: 13px; }
.chat-response a { font-size: 13px; font-weight: 500; }
.chat-response a:hover { opacity: 0.8; }
.chat-response ul, .chat-response ol { padding-left: 16px; margin: 2px 0; }
.chat-response li { margin-bottom: 1px; }

.chat-input-container {
    display: flex;
    padding: 8px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.chat-input-container input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px 0 0 6px;
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
}
.chat-input-container input:focus { border-color: var(--accent); }
.chat-input-container button {
    padding: 6px 12px;
    border: 1px solid var(--accent);
    border-left: none;
    border-radius: 0 6px 6px 0;
    background: var(--accent);
    color: white;
    cursor: pointer;
    font-size: 14px;
}

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   CSP-Compliant Utility Classes
   (Replaces inline style="" attributes for Harmony deployment)
   ============================================================ */

/* Visibility */
.hidden { display: none !important; }

/* Back link in tree panel */
.back-link { font-size: 12px; display: block; padding: 4px 8px; color: var(--accent); text-decoration: none; }
.back-link:hover { text-decoration: underline; }

/* Site name in tree panel */
.site-name-header { font-size: 16px; font-weight: 700; color: var(--accent); padding: 4px 8px 8px; }

/* Chart toolbar */
.metric-chart-wrapper { margin-top: 16px; }
.chart-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 8px 16px; border-bottom: 1px solid var(--border); }
.chart-toolbar h3 { border: none; padding: 0; margin: 0; }
.chart-controls { display: flex; gap: 8px; align-items: center; }
.tz-select { padding: 2px 6px; font-size: 12px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg-panel); color: var(--text-primary); }
.btn-small { padding: 2px 8px; font-size: 11px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg-secondary); color: var(--text-secondary); cursor: pointer; }
.btn-small:hover { border-color: var(--accent); color: var(--accent); }
.chart-selected { padding: 4px 16px; font-size: 11px; color: var(--text-muted); }
.chart-area { height: 350px; }

/* Overview chart bars (replaces inline styles in JS-generated HTML) */
.overview-bar-container { display: flex; align-items: flex-end; height: 180px; gap: 8px; padding: 0 8px; }
.overview-bar-group { flex: 1; text-align: center; cursor: pointer; }
.overview-bar-stack { display: flex; flex-direction: column-reverse; align-items: center; }
.overview-bar { width: 40px; border-radius: 2px; }
.overview-bar.bar-erroneous { background: var(--red); border-radius: 2px 2px 0 0; }
.overview-bar.bar-stale { background: var(--yellow); }
.overview-bar.bar-zero-drop { background: var(--purple); border-radius: 0 0 2px 2px; }
.overview-bar-label { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.overview-bar-count { font-size: 10px; color: var(--text-muted); }

/* Table rows clickable */
.clickable-row { cursor: pointer; }

/* Heartbeat section */
.heartbeat-status-section { padding: 20px; }
.heartbeat-status-badge { margin-bottom: 16px; font-size: 18px; }
.heartbeat-cards-inline { margin-bottom: 0; }

/* Text utilities */
.text-nowrap { white-space: nowrap; }
.text-small { font-size: 12px; }
.text-xs { font-size: 11px; }
.text-mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-purple { color: var(--purple); }
.mt-16 { margin-top: 16px; }

/* Chat sample highlight button */
.chat-sample-btn.highlight { background: var(--accent); color: white; border-color: var(--accent); }
.chat-sample-btn.muted { color: var(--text-muted); font-size: 11px; }

/* Chat response with action */
.chat-action { font-size: 11px; color: var(--accent); }
.chat-error { color: var(--red); }

/* Metric chart remove button */
.chart-metric-tag { cursor: pointer; margin-right: 12px; }
.chart-metric-tag:hover { opacity: 0.7; }

/* Badge variants for dynamic content */
.badge-ok { background: rgba(26,127,55,0.15); color: var(--green); }