/* ========================================
   GAUGE COMPONENT STYLES
   Based on Design System
   ======================================== */

/* Container */
.c-gauge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--ds-space-m, 1rem);
    width: 100%;
    max-width: 689px;
    margin: 0 auto;
}

/* Gauge wrapper */
.c-gauge-wrapper {
    position: relative;
    width: 100%;
    cursor: default;
}

/* SVG Gauge */
.c-gauge-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* Gauge sizes */
.c-gauge-wrapper--xs { height: 200px; }
.c-gauge-wrapper--sm { height: 250px; }
.c-gauge-wrapper--md { height: 320px; }
.c-gauge-wrapper--lg { height: 380px; }
.c-gauge-wrapper--xl { height: 440px; }

/* Gauge orientations */
.c-gauge-wrapper--horizontal-xs { height: 150px; }
.c-gauge-wrapper--horizontal-sm { height: 180px; }
.c-gauge-wrapper--horizontal-md { height: 220px; }
.c-gauge-wrapper--horizontal-lg { height: 260px; }

/* Gauge segments */
.c-gauge-segment {
    transition: all var(--ds-duration-normal, 250ms) var(--ds-ease-out, cubic-bezier(0.25, 0.46, 0.45, 0.94));
    cursor: pointer;
    stroke-linecap: round;
    fill: none;
}

.c-gauge-segment:hover {
    opacity: 0.85;
    filter: brightness(1.1);
}

.c-gauge-segment:focus {
    outline: none;
}

.c-gauge-segment:focus-visible {
    filter: drop-shadow(0 0 4px var(--ds-color-accent, rgb(13, 86, 150)));
}

/* When highlighting active segment */
.c-gauge-wrapper--highlight-active .c-gauge-segment {
    opacity: 0.3;
}

.c-gauge-wrapper--highlight-active .c-gauge-segment.is-active {
    opacity: 1;
    filter: brightness(1.05);
}

/* Background segments */
.c-gauge-background {
    fill: none;
    stroke: var(--ds-color-utility-gray-100, rgb(241, 243, 245));
    stroke-linecap: round;
}

/* Center text */
.c-gauge-text {
    pointer-events: none;
    user-select: none;
}

.c-gauge-text-label {
    fill: var(--ds-color-text-tertiary, rgb(102, 118, 128));
    font-size: var(--ds-font-size-xs, 0.75rem);
    font-weight: var(--ds-font-weight-medium, 500);
}

.c-gauge-text-value {
    fill: var(--ds-color-text-primary, rgb(12, 26, 61));
    font-weight: var(--ds-font-weight-semibold, 600);
}

/* Text sizes based on gauge size */
.c-gauge-wrapper--xs .c-gauge-text-label { font-size: 0.625rem; }
.c-gauge-wrapper--xs .c-gauge-text-value { font-size: 1.25rem; }

.c-gauge-wrapper--sm .c-gauge-text-label { font-size: 0.75rem; }
.c-gauge-wrapper--sm .c-gauge-text-value { font-size: 1.5rem; }

.c-gauge-wrapper--md .c-gauge-text-label { font-size: 0.875rem; }
.c-gauge-wrapper--md .c-gauge-text-value { font-size: 1.875rem; }

.c-gauge-wrapper--lg .c-gauge-text-label { font-size: 1rem; }
.c-gauge-wrapper--lg .c-gauge-text-value { font-size: 2.25rem; }

.c-gauge-wrapper--xl .c-gauge-text-label { font-size: 1.125rem; }
.c-gauge-wrapper--xl .c-gauge-text-value { font-size: 2.5rem; }

/* Horizontal gauge text adjustments */
.c-gauge-wrapper--horizontal-xs .c-gauge-text-label,
.c-gauge-wrapper--horizontal-sm .c-gauge-text-label,
.c-gauge-wrapper--horizontal-md .c-gauge-text-label,
.c-gauge-wrapper--horizontal-lg .c-gauge-text-label {
    font-size: 0.75rem;
}

.c-gauge-wrapper--horizontal-xs .c-gauge-text-value,
.c-gauge-wrapper--horizontal-sm .c-gauge-text-value,
.c-gauge-wrapper--horizontal-md .c-gauge-text-value,
.c-gauge-wrapper--horizontal-lg .c-gauge-text-value {
    font-size: 1.5rem;
}

/* Legend */
.c-gauge-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ds-space-m, 1rem);
    justify-content: center;
    padding: var(--ds-space-s, 0.5rem) 0;
}

.c-gauge-legend-item {
    display: flex;
    align-items: center;
    gap: var(--ds-space-s, 0.5rem);
    font-size: var(--ds-font-size-s, 0.875rem);
    color: var(--ds-color-text-tertiary, rgb(102, 118, 128));
    cursor: pointer;
    transition: all var(--ds-duration-fast, 150ms) var(--ds-ease-out, cubic-bezier(0.25, 0.46, 0.45, 0.94));
    padding: var(--ds-space-xs, 0.25rem) var(--ds-space-s, 0.5rem);
    border-radius: var(--ds-radius-s, 0.25rem);
    border: 1px solid transparent;
}

.c-gauge-legend-item:hover {
    background-color: var(--ds-color-surface, rgb(255, 255, 255));
    color: var(--ds-color-text, rgb(12, 26, 61));
    border-color: var(--ds-color-border, rgb(216, 222, 228));
}

.c-gauge-legend-item:focus {
    outline: none;
}

.c-gauge-legend-item:focus-visible {
    outline: var(--ds-focus-ring-width, 2px) solid var(--ds-focus-ring-color, rgb(13, 86, 150));
    outline-offset: var(--ds-focus-ring-offset, 2px);
}

.c-gauge-legend-item.is-active {
    color: var(--ds-color-text, rgb(12, 26, 61));
    font-weight: var(--ds-font-weight-medium, 500);
    background-color: var(--ds-color-surface, rgb(255, 255, 255));
    border-color: var(--ds-color-border, rgb(216, 222, 228));
}

.c-gauge-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    transition: transform var(--ds-duration-fast, 150ms) var(--ds-ease-out);
}

.c-gauge-legend-item:hover .c-gauge-legend-dot,
.c-gauge-legend-item.is-active .c-gauge-legend-dot {
    transform: scale(1.25);
}

/* Tooltip */
.c-gauge-tooltip {
    position: absolute;
    display: none;
    background: rgb(12, 26, 61);
    color: white;
    padding: var(--ds-space-s, 0.5rem) var(--ds-space-m, 1rem);
    border-radius: var(--ds-radius-m, 0.375rem);
    font-size: var(--ds-font-size-s, 0.875rem);
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(12, 12, 12, 0.15);
    z-index: 1000;
    pointer-events: none;
    transform: translate(-50%, -120%);
}

.c-gauge-tooltip.is-visible {
    display: block;
}

.c-gauge-tooltip-value {
    font-weight: var(--ds-font-weight-semibold, 600);
    font-size: var(--ds-font-size-m, 1rem);
    margin-bottom: 0.125rem;
}

.c-gauge-tooltip-label {
    opacity: 0.9;
    font-size: var(--ds-font-size-xs, 0.75rem);
}

.c-gauge-tooltip-percent {
    opacity: 0.7;
    font-size: var(--ds-font-size-xs, 0.75rem);
    margin-left: 0.25rem;
}

/* Screen reader only content */
.u-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Animation for segment appearance */
@keyframes gauge-segment-appear {
    from {
        stroke-dasharray: 0 1000;
    }
    to {
        stroke-dasharray: var(--segment-length) 1000;
    }
}

.c-gauge-segment--animated {
    animation: gauge-segment-appear 1s var(--ds-ease-out) forwards;
}

/* Variants */
.c-gauge-wrapper--minimal .c-gauge-background {
    opacity: 0.5;
}

.c-gauge-wrapper--bold .c-gauge-segment {
    stroke-width: calc(var(--segment-thickness) * 1.2);
}

.c-gauge-wrapper--thin .c-gauge-segment {
    stroke-width: calc(var(--segment-thickness) * 0.8);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .c-gauge-background {
        stroke: rgba(255, 255, 255, 0.1);
    }
    
    .c-gauge-text-label {
        fill: rgba(255, 255, 255, 0.7);
    }
    
    .c-gauge-text-value {
        fill: rgba(255, 255, 255, 0.95);
    }
    
    .c-gauge-legend-item {
        color: rgba(255, 255, 255, 0.7);
    }
    
    .c-gauge-legend-item:hover,
    .c-gauge-legend-item.is-active {
        background-color: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.95);
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    .c-gauge-tooltip {
        background: rgba(0, 0, 0, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .c-gauge-segment {
        stroke-width: calc(var(--segment-thickness) * 1.2);
    }
    
    .c-gauge-segment:focus-visible {
        filter: drop-shadow(0 0 6px currentColor);
    }
    
    .c-gauge-legend-item:focus-visible {
        outline-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .c-gauge-segment,
    .c-gauge-legend-item,
    .c-gauge-legend-dot {
        transition: none;
    }
    
    .c-gauge-segment--animated {
        animation: none;
    }
}