/* ============================================================================
   SMITH CHART SIMULATOR - STYLES
   Interactive visualization for RF impedance matching
   ============================================================================ */

/* === CSS Variables === */
:root {
    --sc-bg-primary: #0d1117;
    --sc-bg-secondary: #161b22;
    --sc-bg-tertiary: #21262d;
    --sc-border: #30363d;
    --sc-text-primary: #e6edf3;
    --sc-text-secondary: #8b949e;
    --sc-accent-cyan: #00d4ff;
    --sc-accent-green: #00ff88;
    --sc-accent-yellow: #ffd93d;
    --sc-accent-red: #ff6b6b;
    --sc-accent-magenta: #ff6b9d;
    --sc-accent-orange: #ff9500;
    --sc-accent-purple: #a855f7;
    --sc-grid-light: rgba(255, 255, 255, 0.15);
    --sc-grid-dark: rgba(255, 255, 255, 0.08);
}

/* === Box Sizing Reset for Container === */
.sc-container,
.sc-container *,
.sc-container *::before,
.sc-container *::after {
    box-sizing: border-box;
}

/* === Main Container === */
.sc-container {
    background: linear-gradient(135deg, var(--sc-bg-primary) 0%, #1a1f2e 100%);
    border-radius: 16px;
    padding: 15px;
    margin: 20px 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: var(--sc-text-primary);
    max-width: 800px;
    overflow: hidden;
    box-sizing: border-box;
}

/* === Main Layout === */
.sc-main-section {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

/* === Smith Chart Canvas Container === */
.sc-chart-container {
    flex: 1 1 auto;
    min-width: 350px;
    max-width: 500px;
    background: var(--sc-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--sc-border);
    padding: 12px;
    position: relative;
}

.sc-chart-label {
    color: var(--sc-accent-cyan);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#sc-canvas {
    width: 100%;
    aspect-ratio: 1;
    max-height: 400px;
    background: radial-gradient(circle at center, #0a0a15 0%, #050510 100%);
    border-radius: 8px;
    border: 1px solid var(--sc-border);
    cursor: crosshair;
}

/* === Tooltip === */
.sc-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid var(--sc-accent-cyan);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--sc-text-primary);
    pointer-events: none;
    z-index: 100;
    white-space: nowrap;
    display: none;
}

.sc-tooltip .label {
    color: var(--sc-text-secondary);
    font-size: 10px;
    text-transform: uppercase;
}

.sc-tooltip .value {
    color: var(--sc-accent-cyan);
    font-weight: 600;
}

/* === Control Panel === */
.sc-control-panel {
    flex: 0 1 250px;
    min-width: 210px;
    max-width: 280px;
    background: var(--sc-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--sc-border);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sc-section-title {
    color: var(--sc-accent-cyan);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.sc-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sc-border), transparent);
    margin: 5px 0;
}

/* === Input Groups === */
.sc-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sc-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sc-input-label {
    min-width: 70px;
    font-size: 12px;
    color: var(--sc-text-secondary);
}

.sc-input {
    flex: 1;
    background: var(--sc-bg-tertiary);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--sc-text-primary);
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', monospace;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sc-input:focus {
    outline: none;
    border-color: var(--sc-accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.sc-input-unit {
    min-width: 30px;
    font-size: 12px;
    color: var(--sc-text-secondary);
}

/* === Calculated Impedance Display (2-Port) === */
.sc-calc-impedance-group {
    background: var(--sc-bg-tertiary);
    border-radius: 6px;
    padding: 8px 10px;
    border: 1px solid var(--sc-border);
}

.sc-calc-impedance-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 11px;
}

.sc-calc-impedance-row:first-child {
    border-bottom: 1px solid var(--sc-border);
    padding-bottom: 6px;
    margin-bottom: 2px;
}

.sc-calc-label {
    color: var(--sc-text-secondary);
    font-weight: 500;
}

.sc-calc-value {
    color: var(--sc-accent-cyan);
    font-family: 'Consolas', 'Monaco', monospace;
    font-weight: 600;
}

#sc-z11-calc {
    color: var(--sc-accent-red);
}

#sc-z22-calc {
    color: var(--sc-accent-purple);
}

/* === Impedance Display === */
.sc-impedance-display {
    background: var(--sc-bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--sc-border);
}

.sc-impedance-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid var(--sc-border);
}

.sc-impedance-row:last-child {
    border-bottom: none;
}

.sc-impedance-label {
    font-size: 12px;
    color: var(--sc-text-secondary);
}

.sc-impedance-value {
    font-size: 14px;
    font-weight: 600;
    font-family: 'Consolas', 'Monaco', monospace;
}

.sc-impedance-value.gamma {
    color: var(--sc-accent-red);
}

.sc-impedance-value.vswr {
    color: var(--sc-accent-green);
}

.sc-impedance-value.impedance {
    color: var(--sc-accent-cyan);
}

.sc-impedance-value.rl {
    color: var(--sc-accent-yellow);
}

/* === Port Mode Toggle === */
.sc-mode-toggle {
    display: flex;
    gap: 0;
    background: var(--sc-bg-tertiary);
    border-radius: 6px;
    padding: 3px;
    border: 1px solid var(--sc-border);
}

.sc-mode-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    color: var(--sc-text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.sc-mode-btn:hover {
    color: var(--sc-text-primary);
}

.sc-mode-btn.active {
    background: var(--sc-accent-cyan);
    color: #000;
}

/* === Input Mode Toggle (Impedance/Components) === */
.sc-input-mode-toggle {
    display: flex;
    gap: 0;
    background: var(--sc-bg-tertiary);
    border-radius: 6px;
    padding: 2px;
    border: 1px solid var(--sc-border);
    margin-bottom: 10px;
}

.sc-input-mode-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 4px;
    padding: 6px 8px;
    color: var(--sc-text-secondary);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.sc-input-mode-btn:hover {
    color: var(--sc-text-primary);
}

.sc-input-mode-btn.active {
    background: var(--sc-accent-orange);
    color: #000;
}

/* === 2-Port S-Parameter Inputs === */
.sc-sparam-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.sc-sparam-group {
    background: var(--sc-bg-tertiary);
    border-radius: 6px;
    padding: 8px;
    border: 1px solid var(--sc-border);
}

.sc-sparam-group.s11 { border-left: 3px solid #ff6b6b; }
.sc-sparam-group.s21 { border-left: 3px solid #00ff88; }
.sc-sparam-group.s12 { border-left: 3px solid #ffd93d; }
.sc-sparam-group.s22 { border-left: 3px solid #6bcbff; }

.sc-sparam-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--sc-text-secondary);
    margin-bottom: 5px;
}

.sc-input-row.compact {
    gap: 5px;
    margin-bottom: 4px;
}

.sc-input-prefix {
    font-size: 11px;
    color: var(--sc-text-secondary);
    min-width: 20px;
}

.sc-input.small {
    padding: 5px 8px;
    font-size: 12px;
    width: 70px;
}

/* === Preset Dropdown === */
.sc-preset-row {
    margin-bottom: 5px;
}

.sc-preset-dropdown {
    width: 100%;
    background: var(--sc-bg-tertiary);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--sc-text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.sc-preset-dropdown:hover {
    border-color: var(--sc-accent-cyan);
}

.sc-preset-dropdown:focus {
    outline: none;
    border-color: var(--sc-accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.sc-preset-dropdown option {
    background: var(--sc-bg-secondary);
    color: var(--sc-text-primary);
    padding: 10px;
}

/* === Animation Control Buttons === */
.sc-anim-controls {
    display: flex;
    gap: 8px;
}

.sc-ctrl-btn {
    flex: 1;
    background: var(--sc-bg-tertiary);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 12px 8px;
    color: var(--sc-text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.sc-ctrl-btn:hover {
    background: var(--sc-border);
    border-color: var(--sc-accent-cyan);
}

.sc-ctrl-btn.active {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--sc-accent-cyan);
    color: var(--sc-accent-cyan);
}

.sc-ctrl-btn.paused {
    background: rgba(255, 152, 0, 0.2);
    border-color: var(--sc-accent-orange);
    color: var(--sc-accent-orange);
}

/* === Toggle Switches === */
.sc-toggle-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sc-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sc-toggle-label {
    font-size: 13px;
    color: var(--sc-text-secondary);
}

.sc-toggle {
    position: relative;
    width: 44px;
    height: 24px;
}

.sc-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.sc-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--sc-bg-tertiary);
    border: 1px solid var(--sc-border);
    border-radius: 12px;
    transition: 0.3s;
}

.sc-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--sc-text-secondary);
    border-radius: 50%;
    transition: 0.3s;
}

.sc-toggle input:checked + .sc-toggle-slider {
    background: rgba(0, 212, 255, 0.3);
    border-color: var(--sc-accent-cyan);
}

.sc-toggle input:checked + .sc-toggle-slider:before {
    transform: translateX(20px);
    background: var(--sc-accent-cyan);
}

/* === Legend === */
.sc-legend {
    background: var(--sc-bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--sc-border);
}

.sc-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 12px;
    color: var(--sc-text-secondary);
}

.sc-legend-color {
    width: 16px;
    height: 3px;
    border-radius: 2px;
}

.sc-legend-color.r-circles {
    background: rgba(100, 150, 200, 0.6);
}

.sc-legend-color.x-arcs {
    background: rgba(150, 100, 200, 0.6);
}

.sc-legend-color.vswr-circle {
    background: var(--sc-accent-green);
    height: 2px;
    border: 1px dashed var(--sc-accent-green);
}

.sc-legend-color.impedance-point {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--sc-accent-red);
}

.sc-legend-color.admittance-point {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--sc-accent-cyan);
}

/* === Bottom Section === */
.sc-bottom-section {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.sc-info-container {
    flex: 1;
    min-width: 0;
    background: var(--sc-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--sc-border);
    padding: 12px;
}

.sc-info-label {
    color: var(--sc-accent-cyan);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

/* === Matching Network Section === */
.sc-matching-container {
    flex: 2;
}

.sc-matching-display {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.sc-matching-item {
    background: var(--sc-bg-tertiary);
    border-radius: 8px;
    padding: 12px 15px;
    border: 1px solid var(--sc-border);
    flex: 1;
    min-width: 0;
}

.sc-matching-title {
    font-size: 11px;
    color: var(--sc-text-secondary);
    text-transform: uppercase;
    margin-bottom: 5px;
}

.sc-matching-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--sc-accent-yellow);
    font-family: 'Consolas', 'Monaco', monospace;
}

.sc-matching-desc {
    font-size: 10px;
    color: var(--sc-text-secondary);
    margin-top: 4px;
}

/* === Formula Box === */
.sc-formula-box {
    background: linear-gradient(135deg, #1a1f35 0%, #0d1117 100%);
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 16px;
    text-align: center;
    border: 1px solid var(--sc-border);
}

.sc-formula-box .var {
    color: var(--sc-accent-cyan);
}

.sc-formula-box .math {
    color: var(--sc-accent-yellow);
}

/* === Frequency Input === */
.sc-freq-section {
    background: var(--sc-bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--sc-border);
}

/* === Status Messages === */
.sc-status-box {
    background: var(--sc-bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    border-left: 3px solid var(--sc-accent-green);
}

.sc-status-box.warning {
    border-left-color: var(--sc-accent-orange);
}

.sc-status-box.error {
    border-left-color: var(--sc-accent-red);
}

.sc-status-title {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 5px;
}

.sc-status-text {
    font-size: 11px;
    color: var(--sc-text-secondary);
}

/* === Animation Controls === */
.sc-anim-controls {
    display: flex;
    gap: 8px;
}

.sc-anim-btn {
    flex: 1;
    background: var(--sc-bg-tertiary);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 10px;
    color: var(--sc-text-primary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.sc-anim-btn:hover {
    background: var(--sc-border);
}

.sc-anim-btn.active {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--sc-accent-cyan);
    color: var(--sc-accent-cyan);
}

/* === Responsive === */
@media (max-width: 760px) {
    .sc-main-section {
        flex-direction: column;
    }
    
    .sc-chart-container {
        min-width: auto;
        max-width: none;
    }
    
    .sc-control-panel {
        width: 100%;
    }
    
    .sc-bottom-section {
        flex-direction: column;
    }
}

/* === Subpanels Below Chart === */
.sc-chart-subpanels {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.sc-subpanel {
    flex: 1;
    min-width: 0;
    background: var(--sc-bg-tertiary);
    border-radius: 8px;
    padding: 10px;
    border: 1px solid var(--sc-border);
}

.sc-subpanel-title {
    font-size: 10px;
    color: var(--sc-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    text-align: center;
    font-weight: 600;
}

/* === Circuit Subpanel === */
.sc-circuit-subpanel {
    border-color: #ff9500;
    border-width: 2px;
}

#sc-circuit-svg {
    display: block;
    margin: 0 auto;
}

.sc-circuit-svg-line {
    stroke: var(--sc-text-secondary);
    stroke-width: 2;
    fill: none;
}

.sc-circuit-svg-component {
    stroke: var(--sc-accent-cyan);
    stroke-width: 2.5;
    fill: none;
}

.sc-circuit-svg-resistor {
    stroke: var(--sc-accent-yellow);
}

.sc-circuit-svg-text {
    fill: var(--sc-text-secondary);
    font-size: 11px;
    font-family: 'Segoe UI', sans-serif;
    font-weight: 600;
}

.sc-circuit-values {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 5px;
    font-size: 12px;
    font-family: 'Consolas', 'Monaco', monospace;
}

.sc-val-label {
    color: var(--sc-text-secondary);
}

.sc-val-r {
    color: var(--sc-accent-yellow);
    font-weight: 600;
}

.sc-val-lc {
    color: var(--sc-accent-cyan);
    font-weight: 600;
}

/* === S-Parameter Subpanel === */
.sc-sparam-subpanel {
    border-color: #6b8cff;
    border-width: 2px;
}

.sc-sparam-matrix {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 10px 0;
}

.sc-matrix-bracket {
    font-size: 40px;
    font-weight: 200;
    color: var(--sc-text-secondary);
    line-height: 1;
}

.sc-matrix-content {
    text-align: center;
    padding: 5px 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.sc-matrix-label {
    font-size: 11px;
    color: var(--sc-accent-red);
    font-weight: 600;
    margin-bottom: 2px;
}

.sc-matrix-value {
    font-size: 14px;
    color: var(--sc-text-primary);
    font-family: 'Consolas', 'Monaco', monospace;
    font-weight: 600;
}

.sc-sparam-detail {
    display: flex;
    justify-content: center;
    gap: 15px;
    font-size: 11px;
    color: var(--sc-text-secondary);
}

.sc-sparam-detail b {
    color: var(--sc-accent-red);
}

/* === 2-Port Matrix Display === */
.sc-sparam-matrix-2x2 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin: 8px 0;
}

.sc-matrix-bracket.big {
    font-size: 50px;
    font-weight: 100;
}

.sc-matrix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.sc-matrix-cell {
    text-align: center;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 3px;
}

.sc-matrix-cell .label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    margin-bottom: 2px;
}

.sc-matrix-cell.s11 .label { color: #ff6b6b; }
.sc-matrix-cell.s12 .label { color: #ffd93d; }
.sc-matrix-cell.s21 .label { color: #00ff88; }
.sc-matrix-cell.s22 .label { color: #6bcbff; }

.sc-matrix-cell .val {
    display: block;
    font-size: 11px;
    color: var(--sc-text-primary);
    font-family: 'Consolas', 'Monaco', monospace;
}

.sc-sparam-detail-2port {
    display: flex;
    justify-content: center;
    gap: 15px;
    font-size: 10px;
    color: var(--sc-text-secondary);
    margin-top: 5px;
}

.sc-sparam-detail-2port b {
    color: var(--sc-accent-green);
}

/* 2-Port Gain (show green for positive, red for negative) */
.sc-sparam-detail-2port #sc-2port-gain {
    color: var(--sc-accent-green);
}

/* Legend for 2-port waves */
.sc-wave-legend {
    display: flex;
    justify-content: center;
    gap: 15px;
    font-size: 9px;
    margin-top: 5px;
    color: var(--sc-text-secondary);
}

.sc-wave-legend span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sc-wave-legend .legend-dot {
    width: 10px;
    height: 3px;
    border-radius: 1px;
}

.sc-wave-legend .legend-dot.incident { background: #00d4ff; }
.sc-wave-legend .legend-dot.reflected { background: #ff6b9d; }
.sc-wave-legend .legend-dot.transmitted { background: #00ff88; }
.sc-wave-legend .legend-dot.standing { background: #ffd93d; }

/* === Wave Animation Section === */
.sc-wave-section {
    margin: 15px 0;
}

.sc-wave-container {
    background: var(--sc-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--sc-border);
    padding: 15px;
}

.sc-wave-label {
    color: var(--sc-accent-cyan);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

#sc-wave-canvas {
    width: 100%;
    height: 150px;
    background: linear-gradient(180deg, #0a0a15 0%, #0d1020 100%);
    border-radius: 8px;
    border: 1px solid var(--sc-border);
}

.sc-wave-legend {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--sc-border);
}

.sc-wave-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--sc-text-secondary);
}

.sc-wave-line {
    display: inline-block;
    width: 25px;
    height: 3px;
    border-radius: 2px;
}

.sc-wave-line.incident {
    background: #00d4ff;
}

.sc-wave-line.reflected {
    background: #ff6b9d;
}

.sc-wave-line.standing {
    background: #ffd93d;
    height: 2px;
    border-top: 1px dashed #ffd93d;
}

.sc-wave-line.transmitted {
    background: #00ff88;
}

.sc-wave-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    margin-top: 10px;
    padding-top: 8px;
}

.sc-wave-info {
    font-size: 12px;
    color: var(--sc-text-secondary);
}

.sc-wave-info b {
    color: var(--sc-accent-green);
    font-family: 'Consolas', 'Monaco', monospace;
}

/* === Canvas Cursor States === */
#sc-canvas.dragging {
    cursor: grabbing;
}

#sc-canvas.hover-point {
    cursor: grab;
}

/* === Marker Labels on Chart === */
.sc-chart-marker {
    position: absolute;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 3px;
    pointer-events: none;
}

.sc-chart-marker.r-label {
    color: rgba(100, 150, 200, 0.8);
}

.sc-chart-marker.x-label {
    color: rgba(150, 100, 200, 0.8);
}