/**
 * Article Summary Frontend Styles
 */

/* Define CSS variables */
.as-summary-wrapper {
    --as-color-primary: #2132d4;
    --as-color-secondary: #FA7921;
    --as-color-text-primary: #333;
    --as-color-text-secondary: #666;
    --as-color-text-muted: #ccc;
    --as-color-background: #fff;
    --as-color-background-alt: #f8f8f8;
    --as-color-border: #eee;
    --as-color-shadow: rgba(0, 0, 0, 0.1);
    --as-color-shadow-hover: rgba(0, 0, 0, 0.05);

    --as-font-primary: "Readex Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --as-font-size-base: 1rem;
    --as-font-weight-regular: 400;
    --as-font-weight-medium: 500;
    --as-line-height-relaxed: 1.7;
    --as-line-height-loose: 2;

    --as-spacing-xxs: 0.25rem;
    --as-spacing-xs: 0.4rem;
    --as-spacing-sm: 0.75rem;
    --as-spacing-md: 1rem;
    --as-spacing-lg: 1.5rem;
    --as-circle-size: 3rem;

    --as-border-radius-md: 8px;
    --as-border-radius-lg: 20px;

    margin-bottom: var(--as-spacing-lg);
}

/* Override variables for dark mode */
@media (prefers-color-scheme: dark) {
    .as-summary-wrapper {
        --as-color-primary: #4753c3;
        --as-color-text-primary: #e1e1e1;
        --as-color-text-secondary: #b0b0b0;
        --as-color-text-muted: #4a4a4a;
        --as-color-background: #1C1F2E;
        --as-color-background-alt: #181B24;
        --as-color-border: #2a2a2a;
        --as-color-shadow: rgba(0, 0, 0, 0.3);
        --as-color-shadow-hover: rgba(0, 0, 0, 0.2);
    }
}

/* Toggle Button */
.as-summary-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--as-spacing-xs);
    padding: var(--as-spacing-xxs);
    padding-right: calc(var(--as-circle-size) + var(--as-spacing-xs) - 1rem);
    font-family: var(--as-font-primary);
    color: var(--as-color-text-secondary);
    background: var(--as-color-background);
    border: none;
    border-radius: var(--as-border-radius-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px var(--color-shadow);
    position: relative;
    overflow: visible;
    margin-right: 1rem;
}

/* Icons */
.as-icon-left,
.as-icon-chevron {
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.as-icon-left {
    width: 20px;
    height: 20px;
}

.as-icon-chevron {
    width: 20px;
    height: 20px;
}

/* Circular badge for left/right icon */
.as-icon-circle {
    position: absolute;
    right: 0;
    width: var(--as-circle-size);
    height: var(--as-circle-size);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--as-color-background);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    pointer-events: none;
    margin-right: -1rem;
    /* keep clicks on the button itself */
}

/* ensure the svg icon sits centered and scales */
.as-icon-circle .as-icon-left {
    width: 24px;
    height: 24px;
    color: var(--as-color-text-secondary);
    z-index: 2;
}

/* when button is focused, keep outline visible above the circle */
.as-summary-toggle:focus .as-icon-circle,
.as-summary-toggle:focus-visible .as-icon-circle {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.as-summary-toggle[aria-expanded="true"] .as-icon-left {
    transform: rotate(360deg);
}

.as-summary-toggle[aria-expanded="true"] .as-icon-chevron {
    transform: rotate(180deg);
}

.as-summary-label {
    font-weight: var(--as-font-weight-regular);
    font-size: var(--as-font-size-base);
    line-height: var(--as-line-height-relaxed);
}

/* Summary Content */
.as-summary-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin-top: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.as-summary-content.as-active {
    max-height: 1000px;
    opacity: 1;
    margin-top: var(--as-spacing-md);
}

.as-summary-text {
    padding: var(--as-spacing-lg);
    background-color: var(--as-color-background-alt);
    border: 1px solid var(--as-color-border);
    border-radius: var(--as-border-radius-lg);
    position: relative;
}

.as-summary-text p {
    margin: 0 0 var(--as-spacing-md) 0;
    font-family: var(--as-font-primary);
    color: var(--as-color-text-secondary);
    line-height: var(--as-line-height-loose);
    font-size: var(--as-font-size-base);
}

.as-summary-text p:last-child {
    margin-bottom: 0 !important;
}

/* Loading Animation (optional for future use) */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.as-summary-loading {
    animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Accessibility - Focus States */
.as-summary-toggle:focus {
    outline: 2px solid var(--as-color-primary);
    outline-offset: 2px;
}

.as-summary-toggle:focus:not(:focus-visible) {
    outline: none;
}

.as-summary-toggle:focus-visible {
    outline: 2px solid var(--as-color-primary);
    outline-offset: 2px;
}