/* Community feed — Pinterest-style masonry + reactions.
   Phase B Panel B1 (2026-05-11). Token prefix: --hf-community-*
   Existing app.css tokens (--hf-bg-*, --hf-text-*, --hf-border-*, --hf-accent*) 흡수만 — 새 토큰은 community 전용. */

:root {
  --hf-community-heart-active: #f43f5e;
  --hf-community-save-active: #f59e0b;
  --hf-community-remix-bg: color-mix(in oklab, var(--hf-accent) 78%, transparent);
  --hf-community-remix-fg: #ffffff;
  --hf-community-card-radius: 14px;
  --hf-community-overlay-bg: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.74) 100%);
  --hf-community-gap: 14px;
  --hf-community-col-min: 220px;
}

/* ───────── Page wrapper ───────── */

.hf-community {
  max-width: 1280px;
  margin: 0 auto;
}

.hf-community__flash {
  margin: 0 0 16px;
  padding: 10px 14px;
  border-radius: 10px;
  background: color-mix(in oklab, var(--hf-accent) 14%, transparent);
  border: 1px solid color-mix(in oklab, var(--hf-accent) 38%, transparent);
  color: var(--hf-text-1);
  font-size: 0.86rem;
}

.hf-community__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 22px;
}

.hf-community__filters,
.hf-community__actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.hf-community__chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--hf-text-2);
  border: 1px solid var(--hf-border-2);
  background: transparent;
  text-decoration: none;
  transition: background 120ms ease, border-color 120ms ease;
}
.hf-community__chip:hover {
  background: color-mix(in oklab, var(--hf-accent) 10%, transparent);
  border-color: color-mix(in oklab, var(--hf-accent) 50%, transparent);
}
.hf-community__chip.is-active {
  background: var(--hf-accent-bg);
  color: var(--hf-accent);
  border-color: color-mix(in oklab, var(--hf-accent) 50%, transparent);
}

/* ───────── Masonry (CSS columns) ───────── */

.hf-community__masonry {
  column-count: 4;
  column-gap: var(--hf-community-gap);
}
@media (max-width: 1280px) { .hf-community__masonry { column-count: 3; } }
@media (max-width: 880px)  { .hf-community__masonry { column-count: 2; } }
@media (max-width: 520px)  { .hf-community__masonry { column-count: 1; } }

/* ───────── Card ───────── */

.hf-community-card {
  break-inside: avoid;
  margin-bottom: var(--hf-community-gap);
  border-radius: var(--hf-community-card-radius);
  overflow: hidden;
  background: var(--hf-bg-panel);
  border: 1px solid var(--hf-border-2);
  position: relative;
  transition: transform 160ms ease, border-color 160ms ease;
}
.hf-community-card:hover {
  border-color: color-mix(in oklab, var(--hf-accent) 50%, transparent);
  transform: translateY(-1px);
}

.hf-community-card__media {
  position: relative;
  background: var(--hf-bg-l4);
  line-height: 0;
  cursor: zoom-in;
}
.hf-community-card__media img,
.hf-community-card__media video {
  display: block;
  width: 100%;
  height: auto;
}
.hf-community-card__placeholder {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--hf-text-4);
  font-size: 0.85rem;
}
.hf-community-card__badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  color: #ffffff;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
}

/* Overlay action bar — Pinterest 패턴 (hover 시 표출) */
.hf-community-card__overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--hf-community-overlay-bg);
  opacity: 0;
  transition: opacity 160ms ease;
}
.hf-community-card:hover .hf-community-card__overlay,
.hf-community-card:focus-within .hf-community-card__overlay {
  opacity: 1;
}
@media (max-width: 880px) {
  /* 터치 디바이스 — overlay 항상 노출 */
  .hf-community-card__overlay { opacity: 1; }
}
.hf-community-card__react {
  margin: 0;
}

.hf-community-iconbtn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.hf-community-iconbtn:hover {
  background: rgba(0, 0, 0, 0.78);
}
.hf-community-iconbtn.is-active {
  background: var(--hf-community-heart-active);
  border-color: var(--hf-community-heart-active);
  color: #ffffff;
}
.hf-community-iconbtn[aria-pressed="true"][type="submit"] + .hf-community-iconbtn__count {
  font-variant-numeric: tabular-nums;
}
.hf-community-iconbtn__count {
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}
.hf-community-iconbtn--remix {
  margin-left: auto;
  background: var(--hf-community-remix-bg);
  color: var(--hf-community-remix-fg);
  border-color: color-mix(in oklab, var(--hf-accent) 70%, transparent);
}
.hf-community-iconbtn--remix:hover {
  background: var(--hf-accent);
}

/* react form 의 두 번째 (save) — heart 와 다른 active 색 */
.hf-community-card__react:nth-of-type(2) .hf-community-iconbtn.is-active {
  background: var(--hf-community-save-active);
  border-color: var(--hf-community-save-active);
}

/* ───────── Card meta ───────── */

.hf-community-card__meta {
  padding: 9px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hf-community-card__author {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  color: var(--hf-text-3);
}
.hf-community-card__time { color: var(--hf-text-4); }

.hf-community-card__prompt summary {
  cursor: pointer;
  font-size: 0.72rem;
  color: var(--hf-text-4);
  list-style: none;
}
.hf-community-card__prompt summary::-webkit-details-marker { display: none; }
.hf-community-card__prompt[open] summary { color: var(--hf-text-2); }
.hf-community-card__prompt pre {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--hf-bg-l3);
  border-radius: 8px;
  font-size: 0.74rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 220px;
  overflow-y: auto;
  color: var(--hf-text-2);
}

/* ───────── Empty state ───────── */

.hf-community__empty {
  padding: 56px 24px;
  text-align: center;
  border-radius: 16px;
  background: var(--hf-bg-panel);
  border: 1px dashed var(--hf-border-2);
}
.hf-community__empty-icon {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--hf-text-4);
}
.hf-community__empty h3 {
  font-size: 1.05rem;
  font-weight: 510;
  color: var(--hf-text-1);
  margin: 0 0 6px;
}
.hf-community__empty p {
  color: var(--hf-text-3);
  font-size: 0.86rem;
  margin: 0 0 18px;
}

/* ───────── Lightbox modal (community 한정) ───────── */

.hf-community-lightbox {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
@media (min-width: 880px) {
  .hf-community-lightbox { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
}
.hf-community-lightbox__media {
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 12px;
  background: #000;
}
.hf-community-lightbox__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.hf-community-lightbox__author {
  font-size: 0.85rem;
  color: var(--hf-text-3);
}
.hf-community-lightbox__prompt {
  padding: 10px 12px;
  background: var(--hf-bg-l3);
  border-radius: 10px;
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 240px;
  overflow-y: auto;
  color: var(--hf-text-2);
}
.hf-community-lightbox__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

/* ───────── Prompts catalog (/community/prompts) ───────── */

.hf-community__section {
  margin-top: 26px;
}
.hf-community__h2 {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 1.02rem;
  font-weight: 510;
  color: var(--hf-text-1);
  margin: 0 0 6px;
}
.hf-community__sub {
  font-size: 0.78rem;
  color: var(--hf-text-3);
  margin: 0 0 12px;
}

.hf-community__prompts,
.hf-community__prompts-mine {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--hf-community-col-min), 1fr));
  gap: 12px;
}

.hf-community-prompt-card {
  background: var(--hf-bg-panel);
  border: 1px solid var(--hf-border-2);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hf-community-prompt-card--mine {
  border-style: dashed;
}
.hf-community-prompt-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.76rem;
  color: var(--hf-text-3);
}
.hf-community-prompt-card__kind {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.7rem;
  color: var(--hf-text-4);
}
.hf-community-prompt-card__author { color: var(--hf-text-3); }
.hf-community-prompt-card__body {
  margin: 0;
  padding: 9px 11px;
  background: var(--hf-bg-l3);
  border-radius: 8px;
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 180px;
  overflow-y: auto;
  color: var(--hf-text-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.hf-community-prompt-card__foot {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.hf-community-prompt-card__form { margin: 0; }
.hf-community-prompt-card__btn.is-active {
  border-color: color-mix(in oklab, var(--hf-accent) 60%, transparent);
  color: var(--hf-accent);
}