/* =============================================================================
   evolve-badge — canonical "evolves" badge.
   Used by the refiner card title and anywhere an app/object can evolve.
   All values flow through component tokens below; consumers should not
   override individual properties — pick a size variant or extend a token.
   ============================================================================= */

:root {
    /* ── Size scale ─────────────────────────────────────────── */
    --evolve-badge-size-sm: 32px;
    --evolve-badge-size-md: 44px;
    --evolve-badge-size-lg: 72px;

    --evolve-badge-icon-sm: 16px;
    --evolve-badge-icon-md: 22px;
    --evolve-badge-icon-lg: 36px;

    --evolve-badge-chip-sm: 14px;
    --evolve-badge-chip-md: 18px;
    --evolve-badge-chip-lg: 26px;

    --evolve-badge-chip-font-sm: 9px;
    --evolve-badge-chip-font-md: 11px;
    --evolve-badge-chip-font-lg: 14px;

    --evolve-badge-ring-thickness-sm: 2px;
    --evolve-badge-ring-thickness-md: 3px;
    --evolve-badge-ring-thickness-lg: 5px;

    --evolve-badge-pad-sm: 3px;
    --evolve-badge-pad-md: 5px;
    --evolve-badge-pad-lg: 8px;

    --evolve-badge-radius-sm: var(--radius-sm, 8px);
    --evolve-badge-radius-md: var(--radius-md, 12px);
    --evolve-badge-radius-lg: var(--radius-lg, 16px);

    /* ── Colour & material ─────────────────────────────────── */
    --evolve-badge-bg: var(--accent-tertiary, #6355eb);
    --evolve-badge-fg: #ffffff;
    --evolve-badge-ring-track: rgba(255, 255, 255, 0.22);
    --evolve-badge-ring-fill: #ffffff;
    --evolve-badge-chip-bg: #ffffff;
    --evolve-badge-chip-fg: var(--accent-tertiary, #6355eb);
    --evolve-badge-shadow: 0 6px 18px rgba(85, 52, 165, 0.28);
}

/* ── Container ──────────────────────────────────────────────── */
.evolve-badge {
    --_size: var(--evolve-badge-size-sm);
    --_icon: var(--evolve-badge-icon-sm);
    --_chip: var(--evolve-badge-chip-sm);
    --_chip-font: var(--evolve-badge-chip-font-sm);
    --_ring: var(--evolve-badge-ring-thickness-sm);
    --_pad: var(--evolve-badge-pad-sm);
    --_radius: var(--evolve-badge-radius-sm);

    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: var(--_size);
    height: var(--_size);
    margin: 0;
    padding: var(--_pad);
    border: 0;
    border-radius: var(--_radius);
    background: var(--evolve-badge-bg);
    color: var(--evolve-badge-fg);
    box-shadow: var(--evolve-badge-shadow);
    vertical-align: middle;
    line-height: 1;
    text-decoration: none;
    isolation: isolate;
}

button.evolve-badge,
.evolve-badge--interactive {
    cursor: pointer;
}
button.evolve-badge:focus-visible,
.evolve-badge--interactive:focus-visible {
    outline: 2px solid var(--evolve-badge-fg);
    outline-offset: 2px;
}

/* ── Size variants ──────────────────────────────────────────── */
.evolve-badge--md {
    --_size: var(--evolve-badge-size-md);
    --_icon: var(--evolve-badge-icon-md);
    --_chip: var(--evolve-badge-chip-md);
    --_chip-font: var(--evolve-badge-chip-font-md);
    --_ring: var(--evolve-badge-ring-thickness-md);
    --_pad: var(--evolve-badge-pad-md);
    --_radius: var(--evolve-badge-radius-md);
}
.evolve-badge--lg {
    --_size: var(--evolve-badge-size-lg);
    --_icon: var(--evolve-badge-icon-lg);
    --_chip: var(--evolve-badge-chip-lg);
    --_chip-font: var(--evolve-badge-chip-font-lg);
    --_ring: var(--evolve-badge-ring-thickness-lg);
    --_pad: var(--evolve-badge-pad-lg);
    --_radius: var(--evolve-badge-radius-lg);
}

/* ── Ring (conic-gradient progress around the icon) ─────────── */
.evolve-badge__ring {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background:
        conic-gradient(
            var(--evolve-badge-ring-fill) 0deg,
            var(--evolve-badge-ring-fill) var(--evolve-badge-deg, 0deg),
            var(--evolve-badge-ring-track) var(--evolve-badge-deg, 0deg) 360deg
        );
}

.evolve-badge__core {
    position: absolute;
    inset: var(--_ring);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--evolve-badge-bg);
    color: var(--evolve-badge-fg);
}

.evolve-badge__icon {
    width: var(--_icon);
    height: var(--_icon);
    font-size: var(--_icon);
    color: var(--evolve-badge-fg);
}

/* ── Count chip (top-left, like in the spec) ────────────────── */
.evolve-badge__chip {
    position: absolute;
    top: calc(var(--_chip) * -0.25);
    left: calc(var(--_chip) * -0.25);
    min-width: var(--_chip);
    height: var(--_chip);
    padding: 0 calc(var(--_chip) * 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full, 9999px);
    background: var(--evolve-badge-chip-bg);
    color: var(--evolve-badge-chip-fg);
    font-family: var(--font-body, system-ui, sans-serif);
    font-size: var(--_chip-font);
    font-weight: 850;
    line-height: 1;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
    z-index: 1;
}

/* Hide chip when count is zero — surfaces only the ring + icon. */
.evolve-badge[data-evolve-count="0"] .evolve-badge__chip {
    display: none;
}