/* ============================================================
   works.css — 作品歷程頁樣式
   ============================================================ */

/* ── Page Layout ── */
.works-page {
  padding-top: var(--header-height);
  min-height: 100dvh;
}

/* ── Page Header ── */
.page-hero {
  padding: var(--sp-12) var(--sp-6) var(--sp-8);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: var(--color-red-glow);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  pointer-events: none;
}

.page-hero__eyebrow {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: var(--sp-3);
}

.page-hero__title {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--sp-4);
}

.page-hero__desc {
  font-size: var(--fs-base);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

/* ── Filter Bar ── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-6) var(--sp-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  height: 32px;
  padding: 0 var(--sp-4);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition:
    background    var(--dur-fast) var(--ease-out),
    border-color  var(--dur-fast) var(--ease-out),
    color         var(--dur-fast) var(--ease-out);
}

.filter-btn:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-sub);
}

.filter-btn.is-active {
  background: var(--color-red);
  border-color: var(--color-red);
  color: #fff;
}

/* ── Works Grid ── */
.works-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: 0 var(--sp-4) var(--sp-10);
}

/* ── Work Card ── */
.work-card {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background   var(--dur-fast) var(--ease-out),
    transform    var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.work-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-elevated);
}

.work-card:active {
  transform: scale(0.99);
}

/* 封面圖 */
.work-card__cover {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: var(--r-md);
  overflow: hidden;
  /* TODO: replace with actual cover image */
  background: var(--color-bg-elevated);
  position: relative;
}

.work-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 佔位 cover */
.work-card__cover.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
}
.work-card__cover.placeholder-img::after {
  font-size: var(--fs-xs);
  content: 'COVER';
}

/* 右側資訊 */
.work-card__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--sp-2);
}

.work-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.work-card__year {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-muted);
}

.work-card__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.work-card__title-jp {
  font-size: var(--fs-sm);
  color: var(--color-text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.work-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.work-card__tracks {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.work-card__arrow {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.work-card:hover .work-card__arrow {
  background: var(--color-red);
  color: #fff;
}

/* ── Work Detail Modal (bottom-sheet) ── */
.work-detail__cover {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-6);
  /* TODO: replace with actual cover */
  background: var(--color-surface);
}

.work-detail__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-detail__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.work-detail__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--sp-2);
}

.work-detail__title-jp {
  font-size: var(--fs-base);
  color: var(--color-text-sub);
  margin-bottom: var(--sp-6);
}

.work-detail__desc {
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--color-text-sub);
  margin-bottom: var(--sp-6);
}

/* Embed 容器 */
.embed-wrap {
  width: 100%;
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: var(--sp-4);
}

.embed-wrap--yt {
  aspect-ratio: 16/9;
}

.embed-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Spotify embed 高度 */
.embed-wrap--spotify {
  height: 152px;
}

/* ── Empty State ── */
.works-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-20) var(--sp-6);
  text-align: center;
  color: var(--color-text-muted);
}

.works-empty__icon {
  font-size: 48px;
  opacity: 0.3;
}

.works-empty__text {
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-wide);
}