/* Indicator Playground - Professional Design */
.indicator-playground-controls {
    background: var(--card);
    border-radius: 12px;
    padding: 0;
    margin: 30px 0 20px 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}

.indicator-playground-controls h3 {
    margin: 0;
    color: var(--brand);
    font-size: 1.4rem;
    font-weight: 600;
    padding: 0;
}

.playground-description {
    color: var(--muted);
    margin: 8px 0 0 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.control-panel {
    padding: 24px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.control-group:hover {
    border-color: var(--brand);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.control-group label {
    font-weight: 600;
    color: var(--text);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.01em;
}

.tooltip {
    cursor: help;
    color: var(--brand);
    font-size: 0.875rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    position: relative;
}

.tooltip:hover {
    opacity: 1;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 100%;
    margin-bottom: 8px;
    background: var(--code-bg);
    color: var(--code-fg);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.tooltip:hover::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 100%;
    margin-bottom: 2px;
    border: 6px solid transparent;
    border-top-color: var(--code-bg);
    z-index: 1000;
    pointer-events: none;
}

.range-control {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.range-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.range-slider-wrapper input[type="range"] {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    outline: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.range-slider-wrapper input[type="range"]:hover {
    background: var(--muted);
}

.range-slider-wrapper input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--brand);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.range-slider-wrapper input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

.range-slider-wrapper input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--brand);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.range-slider-wrapper input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.range-slider-wrapper input[type="range"]:active::-moz-range-thumb {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Subtle glow effect when range is focused */
.range-slider-wrapper input[type="range"]:focus {
    outline: none;
}

.range-slider-wrapper input[type="range"]:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px rgba(11, 61, 145, 0.2);
}

.range-slider-wrapper input[type="range"]:focus::-moz-range-thumb {
    box-shadow: 0 0 0 4px rgba(11, 61, 145, 0.2);
}

:root[data-theme="dark"] .range-slider-wrapper input[type="range"]:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px rgba(124, 197, 255, 0.25);
}

:root[data-theme="dark"] .range-slider-wrapper input[type="range"]:focus::-moz-range-thumb {
    box-shadow: 0 0 0 4px rgba(124, 197, 255, 0.25);
}

.period-input-box {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    background: var(--card);
    color: var(--text);
    transition: all 0.2s ease;
    font-weight: 600;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.period-input-box:hover {
    border-color: var(--brand);
}

.period-input-box:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

:root[data-theme="dark"] .period-input-box:focus {
    box-shadow: 0 0 0 3px rgba(124, 197, 255, 0.15);
}

.range-value {
    font-weight: 700;
    color: var(--brand);
    min-width: 35px;
    text-align: right;
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

select, input[type="number"] {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    background: var(--bg);
    color: var(--text);
    transition: all 0.2s ease;
    cursor: pointer;
}

select:hover, input[type="number"]:hover {
    border-color: var(--brand);
}

select:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

:root[data-theme="dark"] select:focus,
:root[data-theme="dark"] input[type="number"]:focus {
    box-shadow: 0 0 0 3px rgba(124, 197, 255, 0.15);
}

/* Control actions */
.control-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.btn-add-comparison {
    flex: 1;
    padding: 12px 20px;
    background: var(--brand);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-add-comparison:hover {
    background: var(--link-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-add-comparison:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-add-comparison svg {
    transition: transform 0.2s ease;
}

.btn-add-comparison:hover svg {
    transform: rotate(90deg);
}

.btn-reset {
    flex: 1;
    padding: 12px 20px;
    background: var(--muted);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-reset:hover {
    background: var(--text);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-reset:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Playground stats */
.playground-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg);
}

.stat-card {
    background: var(--card);
    padding: 18px 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--brand);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Smooth transitions for dynamic content */
.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--brand);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    transition: all 0.3s ease;
}

.stat-value.updating {
    opacity: 0.5;
    transform: scale(0.95);
}

/* Button active states */
.btn-add-comparison:disabled,
.btn-reset:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-add-comparison:disabled:hover,
.btn-reset:disabled:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .control-panel {
        padding: 20px;
    }

    .controls-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .control-actions {
        flex-direction: column;
    }

    .playground-stats {
        grid-template-columns: 1fr;
        padding: 16px 20px;
    }

    .comparison-list {
        padding: 16px 20px;
    }
}

/* Chart container styling */
#chart-container {
    background: var(--card);
    border-radius: 0 0 12px 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-top: none;
    position: relative;
    min-height: 500px;
}

/* Loading state */
#chart-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--border);
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Notification toast */
.playground-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    font-size: 0.875rem;
    font-weight: 600;
    animation: slideInDown 0.3s ease-out;
    pointer-events: none;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.playground-notification.error {
    background: var(--down);
    color: white;
}

.playground-notification.success {
    background: var(--up);
    color: white;
}

.playground-notification.info {
    background: var(--brand);
    color: white;
}

/* Indicator cross-reference list */
.indicator-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.indicator-list li {
    background: #f5f5f5;
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 3px solid #2196f3;
}

.indicator-list li a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
}

.indicator-list li a:hover {
    color: #2196f3;
}

/* Comparison list */
.comparison-list {
    display: none;
    background: var(--bg);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.comparison-list h4 {
    margin: 0 0 16px 0;
    font-size: 0.875rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.2s ease;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.comparison-item:last-child {
    margin-bottom: 0;
}

.comparison-item:hover {
    border-color: var(--brand);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.comparison-color {
    width: 24px;
    height: 4px;
    border-radius: 2px;
    flex-shrink: 0;
}

.comparison-label {
    flex: 1;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
}

.btn-remove-comparison {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-remove-comparison:hover {
    background: rgba(239, 71, 111, 0.1);
    color: var(--down);
}

.btn-remove-comparison svg {
    transition: transform 0.2s ease;
}

.btn-remove-comparison:hover svg {
    transform: scale(1.1);
}