/* ==========================================================================
   Filter Chips
   Chip component styles and active/selected states.
   ========================================================================== */

/* -------------------------------------------------------------------------
   Filter Chip
   ------------------------------------------------------------------------- */

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.375rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition:
        background-color var(--duration-fast) var(--ease-out),
        border-color var(--duration-fast) var(--ease-out),
        color var(--duration-fast) var(--ease-out);
    min-height: 36px;
}

.filter-chip:hover {
    background: var(--bg-surface-alt);
}

.filter-chip.active {
    color: var(--accent);
    background: var(--bg-surface-alt);
    border-color: var(--accent);
    font-weight: 600;
}

.filter-chip--active {
    color: var(--accent);
    background: var(--bg-surface-alt);
    border-color: var(--accent);
    font-weight: 600;
}

/* -------------------------------------------------------------------------
   Era Highlight (Timeline Filter Chips Only)
   Left-border tint identifies the era category. Active state fills the
   chip with the full era colour instead of the neutral accent.
   ------------------------------------------------------------------------- */

.filter-chip.era--pre-incarnation  { border-left: 3px solid var(--era-pre-incarnation); }
.filter-chip.era--old-testament    { border-left: 3px solid var(--era-old-testament); }
.filter-chip.era--early-life       { border-left: 3px solid var(--era-early-life); }
.filter-chip.era--life             { border-left: 3px solid var(--era-life); }
.filter-chip.era--galilee-ministry { border-left: 3px solid var(--era-galilee-ministry); }
.filter-chip.era--judean-ministry  { border-left: 3px solid var(--era-judean-ministry); }
.filter-chip.era--passion-week     { border-left: 3px solid var(--era-passion-week); }
.filter-chip.era--post-passion     { border-left: 3px solid var(--era-post-passion); }

.filter-chip.active.era--pre-incarnation,
.filter-chip--active.era--pre-incarnation  { background: var(--era-pre-incarnation); border-color: var(--era-pre-incarnation); }
.filter-chip.active.era--old-testament,
.filter-chip--active.era--old-testament    { background: var(--era-old-testament); border-color: var(--era-old-testament); }
.filter-chip.active.era--early-life,
.filter-chip--active.era--early-life       { background: var(--era-early-life); border-color: var(--era-early-life); }
.filter-chip.active.era--life,
.filter-chip--active.era--life             { background: var(--era-life); border-color: var(--era-life); }
.filter-chip.active.era--galilee-ministry,
.filter-chip--active.era--galilee-ministry { background: var(--era-galilee-ministry); border-color: var(--era-galilee-ministry); }
.filter-chip.active.era--judean-ministry,
.filter-chip--active.era--judean-ministry  { background: var(--era-judean-ministry); border-color: var(--era-judean-ministry); }
.filter-chip.active.era--passion-week,
.filter-chip--active.era--passion-week     { background: var(--era-passion-week); border-color: var(--era-passion-week); }
.filter-chip.active.era--post-passion,
.filter-chip--active.era--post-passion     { background: var(--era-post-passion); border-color: var(--era-post-passion); }