/* ============================================================
   Impacts — meteorites, craters, airbursts that have struck Earth,
   plus the live fireball/bolide feed. Builds on astro.css.
   ============================================================ */

.imp-intro { color: var(--muted); max-width: 780px; font-size: 14.5px; }

/* ---- stats ---- */
.imp-stats { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 6px; }
.imp-stat { display: flex; flex-direction: column; gap: 2px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 16px; min-width: 96px; }
.imp-stat b { font-size: 22px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.imp-stat span { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--faint); }

/* ---- toolbar + filters ---- */
.imp-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 22px 0 14px; }
.imp-search { flex: 1 1 280px; min-width: 220px; background: rgba(255,255,255,.05); border: 1px solid var(--border); border-radius: 12px; color: var(--text); padding: 11px 14px; font-size: 14px; outline: none; }
.imp-search:focus { border-color: var(--accent); }
.imp-search::placeholder { color: var(--faint); }
.imp-sort { background: rgba(255,255,255,.05); border: 1px solid var(--border); border-radius: 10px; color: var(--text); padding: 10px 12px; font-size: 13px; cursor: pointer; outline: none; }
.imp-sort:focus { border-color: var(--accent); }

.imp-filter-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 0 0 8px; }
.imp-chip { font-size: 12.5px; font-weight: 600; color: var(--muted); background: var(--panel); border: 1px solid var(--border); border-radius: 999px; padding: 6px 13px; cursor: pointer; transition: .15s; }
.imp-chip:hover { color: var(--text); background: var(--panel-2); border-color: var(--border-2); }
.imp-chip.active { color: #fff; background: linear-gradient(90deg, rgba(251,146,60,.34), rgba(239,68,68,.20)); border-color: var(--border-2); }
.imp-chip .n { color: var(--faint); font-weight: 700; margin-left: 4px; font-size: 11px; }
.imp-chip.active .n { color: rgba(255,255,255,.7); }
.imp-count { margin-left: auto; font-size: 12.5px; color: var(--faint); }

/* ---- event cards ---- */
.imp-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); margin-top: 4px; }
.imp-expand { display: flex; justify-content: center; margin-top: 14px; }
.imp-expand:empty { display: none; }
.imp-expand-btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 20px; font-size: 13px; font-weight: 600; color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: background .15s, border-color .15s; }
.imp-expand-btn:hover { background: var(--panel-2, rgba(255,255,255,.04)); border-color: var(--cool); }
.imp-expand-btn .caret { color: var(--cool); font-size: 11px; }
.imp-card { display: flex; flex-direction: column; position: relative; overflow: hidden; }
.imp-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--cat, var(--accent)); }
.imp-card { padding-left: 20px; }
.imp-card-head { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 2px; }
.imp-card h3 { margin: 0; font-size: 16px; line-height: 1.25; font-weight: 700; flex: 1; }
.imp-when { font-size: 12.5px; color: var(--cat, var(--accent-2)); font-weight: 700; white-space: nowrap; }
.imp-loc { font-size: 12px; color: var(--faint); margin: 3px 0 0; }
.imp-desc { font-size: 13px; color: var(--muted); margin: 10px 0 0; line-height: 1.5; }
.imp-foot { display: flex; align-items: center; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.imp-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.imp-tag { font-size: 10.5px; color: var(--muted); background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; }
.imp-link { margin-left: auto; font-size: 12.5px; font-weight: 600; color: var(--cool); white-space: nowrap; }
.imp-link:hover { color: var(--text); }

/* category accent colours */
.cat-extinction { --cat: #ef4444; }
.cat-airburst   { --cat: #fb923c; }
.cat-predicted  { --cat: #facc15; }
.cat-fall       { --cat: #38bdf8; }
.cat-crater     { --cat: #a78bfa; }
.cat-find       { --cat: #34d399; }

.imp-badge { font-size: 10px; font-weight: 800; letter-spacing: .4px; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, var(--cat) 18%, transparent); color: var(--cat); white-space: nowrap; }

/* ---- live fireball feed ---- */
.imp-fb-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.imp-fb { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.imp-fb .fb-date { font-size: 14px; font-weight: 700; color: #fff; }
.imp-fb .fb-loc { font-size: 12px; color: var(--faint); margin: 3px 0 0; font-variant-numeric: tabular-nums; }
.imp-fb .fb-near { font-size: 12px; color: var(--text); margin: 2px 0 10px; }
.imp-fb-rows { display: flex; flex-direction: column; gap: 5px; }
.imp-fb-row { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.imp-fb-row .k { color: var(--faint); }
.imp-fb-row .v { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.imp-fb .fb-map { display: inline-block; margin-top: 10px; font-size: 12px; font-weight: 600; color: var(--cool); }
.imp-fb .fb-map:hover { color: var(--text); }
.imp-fb.big { border-color: rgba(251,146,60,.5); }

/* ---- reading / studies ---- */
.imp-read { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.imp-read a { display: block; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; transition: .16s; }
.imp-read a:hover { transform: translateY(-3px); border-color: var(--border-2); background: var(--panel-2); box-shadow: var(--shadow); }
.imp-read .t { font-size: 14.5px; font-weight: 700; color: #fff; }
.imp-read .s { font-size: 12.5px; color: var(--muted); margin-top: 4px; line-height: 1.4; }

.imp-err { color: var(--faint); font-size: 13px; padding: 14px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.imp-sources { margin: 30px 0 10px; font-size: 12.5px; color: var(--faint); border-top: 1px solid var(--border); padding-top: 14px; line-height: 1.55; }
.imp-sources a { color: var(--accent-2); }

@media (max-width: 560px) { .imp-grid { grid-template-columns: 1fr; } .imp-count { margin-left: 0; width: 100%; } }