/* Speedtest Tracker — Module Styles */

.st-expand-btn {
  background: none; border: none; cursor: pointer; padding: 4px;
  color: var(--text-muted); display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
}
.st-expand-btn:hover { color: var(--text-primary); }
.st-expand-btn.open { transform: rotate(90deg); color: var(--accent); }

#speedtest-refresh-btn {
  background: none; border: none; cursor: pointer; padding: 6px;
  color: var(--text-muted); display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); transition: color 0.2s ease, background 0.2s ease;
}
#speedtest-refresh-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

.st-signal-detail {
    background: var(--surface); border-radius: 6px; margin: 4px 8px 8px;
    padding: 10px 14px; font-size: 0.85em;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px 16px;
}
.st-signal-detail .st-sig-item { display: flex; flex-direction: column; gap: 2px; }
.st-signal-detail .st-sig-label { color: var(--muted); font-size: 0.8em; }
.st-signal-detail .st-sig-value { font-weight: 600; }
.st-signal-detail .st-health-badge {
    display: inline-block; padding: 2px 8px; border-radius: 4px;
    font-size: 0.8em; font-weight: 600;
}
.st-health-badge.health-good { background: rgba(76,175,80,0.2); color: var(--good); }
.st-health-badge.health-marginal { background: rgba(255,152,0,0.2); color: var(--warn); }
.st-health-badge.health-poor { background: rgba(244,67,54,0.2); color: var(--crit); }
.st-signal-detail .st-sig-no-data { color: var(--muted); font-style: italic; grid-column: 1 / -1; }
.st-signal-detail .st-us-mods { grid-column: 1 / -1; }
.st-signal-detail .st-us-mods span { margin-right: 10px; }

/* Enriched detail section */
.st-enriched-wrap { margin-top: 12px; }
.st-enriched-group { margin-bottom: 10px; }
.st-enriched-heading {
    font-size: 0.75em; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.04em; color: var(--muted);
    margin-bottom: 6px; padding-bottom: 4px;
    border-bottom: 1px solid var(--input-border);
}
.st-enriched-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 6px 16px;
}
.st-ookla-link {
    color: var(--accent) !important;
    text-decoration: none; opacity: 0.8;
    transition: opacity 0.15s;
}
.st-ookla-link:hover { opacity: 1; text-decoration: underline; }

/* Modern Card Design */
.speedtest-chart-card {
    background: var(--card-bg, var(--card));
    border: 1px solid var(--card-border, var(--input-border));
    border-radius: var(--radius-lg, 12px);
    padding: var(--space-lg, 20px);
    margin-bottom: var(--space-xl, 24px);
    transition: all 0.2s ease;
}
.speedtest-chart-wrap {
    position: relative;
    width: 100%;
}
.speedtest-chart-wrap canvas {
    display: block;
    width: 100%;
    height: 250px;
}
.speedtest-chart-legend {
    display: flex;
    gap: 18px;
    justify-content: center;
    padding: 12px 0 4px;
    font-size: 0.78em;
    color: var(--muted);
}
.speedtest-chart-legend span::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 5px;
    vertical-align: -1px;
}
.legend-dl::before { background: #a855f7; }
.legend-ul::before { background: #22c55e; }
.legend-ping::before { background: #f59e0b; }
.legend-thresh::before { background: #ef4444; }
.speedtest-chart-tooltip {
    position: absolute; pointer-events: none; display: none;
    background: rgba(0,0,0,0.85); color: #e0e0e0; font-size: 0.78em;
    padding: 6px 10px; border-radius: 6px; white-space: nowrap; z-index: 1000;
}

/* Table card wrapper for speedtest table */
#speedtest-table-wrap.table-card {
    background: var(--card-bg, var(--card));
    border: 1px solid var(--card-border, var(--input-border));
    border-radius: var(--radius-lg, 12px);
    overflow-x: auto;
    overflow-y: hidden;
}
#speedtest-table {
    width: 100%;
    margin: 0;
}
#speedtest-table thead tr {
    background: var(--surface-2, rgba(0,0,0,0.15));
}
#speedtest-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85em;
    color: var(--text-primary, var(--text));
    border-bottom: 1px solid var(--card-border, var(--input-border));
}
#speedtest-table tbody tr {
    transition: background 0.15s ease;
}
#speedtest-table tbody tr:hover {
    background: var(--surface-2, rgba(0,0,0,0.1));
}
#speedtest-table tbody td {
    padding: 12px 16px;
    font-size: 0.85em;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
/* Signal detail rows (expanded) */
#speedtest-table tbody tr.st-signal-row {
    background: rgba(168,85,247,0.05);
}
#speedtest-table tbody tr.st-signal-row:hover {
    background: rgba(168,85,247,0.08);
}

/* Speedtest controls bar */
.speedtest-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Empty state */
.speedtest-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 24px;
}
.speedtest-empty-title {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.speedtest-empty-desc {
    font-size: 0.85em;
    color: var(--text-secondary);
    max-width: 360px;
    line-height: 1.5;
}
.speedtest-empty-state.speedtest-empty-error .speedtest-empty-title,
.speedtest-empty-state.speedtest-empty-error .speedtest-empty-desc,
.speedtest-empty-state.speedtest-empty-error .btn,
.speedtest-empty-state.speedtest-empty-error [data-lucide] {
    display: none;
}
.speedtest-empty-state.speedtest-empty-error::after {
    content: attr(data-error);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .speedtest-chart-card {
        padding: var(--space-md, 16px);
    }
    #speedtest-table thead th,
    #speedtest-table tbody td {
        padding: 8px 12px;
        font-size: 0.8em;
    }
}

@media (max-width: 640px) {
    .speedtest-controls {
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }
    .speedtest-controls .trend-tabs {
        order: 1;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    .speedtest-controls .trend-tabs .trend-tab {
        padding: 6px 14px;
        font-size: 0.82em;
    }
    .speedtest-controls #speedtest-run-btn {
        order: 2;
    }
    .speedtest-controls #speedtest-refresh-btn {
        order: 3;
    }
    .speedtest-chart-card {
        padding: var(--space-sm, 12px);
    }
    .speedtest-chart-wrap canvas {
        height: 180px;
    }
    .speedtest-chart-legend {
        flex-wrap: wrap;
        gap: 8px 14px;
    }
    #speedtest-table thead th,
    #speedtest-table tbody td {
        padding: 6px 8px;
        font-size: 0.78em;
    }
    .st-signal-detail {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        gap: 6px 10px;
        padding: 8px 10px;
    }
    .st-signal-detail .st-us-mods span {
        word-break: break-word;
    }
    .trend-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}