/* ==========================================================================
   页面级样式：个人名片 / 信息流 / 动态详情
   ========================================================================== */

/* ---------------- Hero 个人名片 ---------------- */
.hero {
  position: relative;
  margin-top: var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__cover {
  position: relative;
  height: clamp(150px, 26vw, 260px);
  background: var(--grad-brand);
  overflow: hidden;
}
.hero__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, color-mix(in srgb, var(--bg) 65%, transparent) 100%);
}

.hero__body {
  position: relative;
  padding: 0 var(--space-6) var(--space-6);
  margin-top: clamp(-64px, -7vw, -44px);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  flex-wrap: wrap;
}

.hero__avatar {
  width: 124px;
  height: 124px;
  border-radius: 34px;
  overflow: hidden;
  flex: none;
  border: 4px solid var(--bg);
  background: var(--bg-elev);
  box-shadow: var(--shadow), 0 0 0 1px var(--border);
  position: relative;
}
.hero__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__avatar-fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  font-weight: 700;
  color: #0b0b12;
  background: var(--grad-brand);
}
.hero__avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 40px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  pointer-events: none;
}

.hero__main {
  flex: 1 1 320px;
  min-width: 0;
  padding-bottom: 4px;
}

.hero__name {
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.hero__handle { font-size: 0.9rem; color: var(--text-3); font-weight: 400; }

.hero__headline {
  margin-top: 6px;
  font-size: 1.02rem;
  color: var(--text-2);
}

.hero__meta {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.hero__bio {
  margin-top: var(--space-4);
  color: var(--text-2);
  max-width: 62ch;
  white-space: pre-wrap;
}

.hero__tags {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero__links {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.link-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--text-2);
  transition: all var(--dur-2) var(--ease);
}
.link-pill:hover {
  color: var(--text);
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: var(--surface-3);
}

/* 生日 / 星座卡片 */
.birthday-card {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  padding: 12px 18px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--accent-soft), transparent 70%);
  border: 1px solid var(--border);
}
.birthday-card__icon { font-size: 1.5rem; }
.birthday-card__value { font-weight: 650; letter-spacing: -0.01em; }
.birthday-card__sub { font-size: 0.78rem; color: var(--text-3); }

/* ---------------- 数据条 ---------------- */
.stats-strip {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat {
  padding: var(--space-4) var(--space-5);
  background: color-mix(in srgb, var(--bg-soft) 86%, transparent);
  text-align: center;
  transition: background var(--dur-2) var(--ease);
}
.stat:hover { background: var(--surface-2); }
.stat__value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.stat__label { font-size: 0.76rem; color: var(--text-3); letter-spacing: 0.06em; }

/* ---------------- 信息流工具条 ---------------- */
.feed-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.84rem;
  cursor: pointer;
  transition: all var(--dur-2) var(--ease);
}
.filter-chip:hover { color: var(--text); border-color: var(--border-strong); }
.filter-chip.is-active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.search {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 200px;
}
.search .input { padding-left: 38px; border-radius: var(--radius-pill); }
.search svg {
  position: absolute;
  left: 14px;
  color: var(--text-3);
  pointer-events: none;
}

/* ---------------- 信息流网格 ---------------- */
.feed__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  align-items: start;
}
.feed__grid--masonry {
  display: block;
  column-count: 3;
  column-gap: var(--space-5);
}
.feed__grid--masonry .post-card {
  break-inside: avoid;
  margin-bottom: var(--space-5);
  display: inline-block;
  width: 100%;
}

@media (max-width: 1024px) {
  .feed__grid--masonry { column-count: 2; }
}
@media (max-width: 680px) {
  .feed__grid { grid-template-columns: 1fr; }
  .feed__grid--masonry { column-count: 1; }
}

/* ---------------- 动态卡片 ---------------- */
.post-card {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.post-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.post-card__avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  overflow: hidden;
  flex: none;
  background: var(--grad-brand);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #0b0b12;
  font-size: 0.9rem;
}
.post-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.post-card__who { min-width: 0; }
.post-card__name { font-size: 0.92rem; font-weight: 600; }
.post-card__time { font-size: 0.76rem; color: var(--text-3); }

.mood {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  font-size: 0.76rem;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  background: color-mix(in srgb, currentColor 12%, transparent);
}

.post-card__text {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  line-height: 1.75;
}
.post-card__text .hashtag {
  color: var(--accent-2);
  cursor: pointer;
}
.post-card__text .hashtag:hover { text-decoration: underline; }

.post-card__media {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-3);
}

.media-grid {
  display: grid;
  gap: 3px;
}
.media-grid[data-count="1"] { grid-template-columns: 1fr; }
.media-grid[data-count="2"] { grid-template-columns: repeat(2, 1fr); }
.media-grid[data-count="3"] { grid-template-columns: repeat(2, 1fr); }
.media-grid[data-count="4"] { grid-template-columns: repeat(2, 1fr); }
.media-grid[data-count="5"],
.media-grid[data-count="6"],
.media-grid[data-count="7"],
.media-grid[data-count="8"],
.media-grid[data-count="9"] { grid-template-columns: repeat(3, 1fr); }

.media-item {
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--surface-3);
  aspect-ratio: 4 / 3;
}
.media-grid[data-count="1"] .media-item { aspect-ratio: auto; max-height: 440px; }
.media-grid[data-count="1"] .media-item img,
.media-grid[data-count="1"] .media-item video { height: 100%; max-height: 440px; object-fit: cover; }
.media-grid[data-count="3"] .media-item:first-child { grid-row: span 2; aspect-ratio: auto; }

.media-item img,
.media-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-3) var(--ease);
}
.media-item:hover img { transform: scale(1.04); }

.media-item__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.media-item__play span {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(10, 10, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
  color: #fff;
}

.media-item__more {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(6, 6, 12, 0.6);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
  backdrop-filter: blur(2px);
}

.post-card__foot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-3);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--dur-2) var(--ease);
}
.action-btn:hover {
  color: var(--text);
  background: var(--surface-2);
}
.action-btn.is-liked {
  color: var(--accent-3);
  background: color-mix(in srgb, var(--accent-3) 12%, transparent);
}
.action-btn.is-liked svg { animation: pop var(--dur-2) var(--ease-out); }
@keyframes pop {
  0% { transform: scale(0.6); }
  60% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.post-card__admin {
  margin-left: auto;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease);
}
.post-card:hover .post-card__admin,
.post-card:focus-within .post-card__admin { opacity: 1; }

/* ---------------- 详情页 ---------------- */
.detail {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-6) 0 var(--space-7);
}
.detail__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-3);
  font-size: 0.86rem;
  margin-bottom: var(--space-5);
}
.detail__back:hover { color: var(--text); }
.detail__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.detail__text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 1.06rem;
  line-height: 1.9;
  margin-bottom: var(--space-5);
}
.detail__media { display: flex; flex-direction: column; gap: var(--space-4); }
.detail__media .media-item { border-radius: var(--radius); }

.detail__note {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-left: 3px solid color-mix(in srgb, var(--warning) 60%, transparent);
  background: color-mix(in srgb, var(--warning) 8%, transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.86rem;
  color: var(--text-2);
}

/* 音频播放器（预留：语音动态） */
.audio-item {
  padding: var(--space-3);
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.audio-item audio { width: 100%; }

/* ---------------- 加载更多 ---------------- */
.load-more {
  display: flex;
  justify-content: center;
  padding: var(--space-6) 0 0;
}

/* ---------------- 生日祝福卡 ---------------- */
.birthday {
  position: relative;
  margin-top: var(--space-5);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--accent) 26%, transparent),
    color-mix(in srgb, var(--accent-3) 22%, transparent)
  );
  border: 1px solid color-mix(in srgb, var(--accent-2) 42%, transparent);
  box-shadow: 0 30px 70px -40px var(--accent-3);
}
.birthday__glow {
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  opacity: 0.16;
  filter: blur(60px);
  animation: birthday-spin 18s linear infinite;
  pointer-events: none;
}
@keyframes birthday-spin {
  to { transform: rotate(360deg); }
}
.birthday__emoji {
  position: relative;
  font-size: 2.6rem;
  line-height: 1;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.35));
  animation: birthday-bounce 2.4s var(--ease) infinite;
}
@keyframes birthday-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
.birthday__body {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
}
.birthday__title {
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.birthday__sub {
  margin-top: 4px;
  color: var(--text-2);
  font-size: 0.92rem;
}
.birthday__actions {
  position: relative;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* 撒花 */
.confetti {
  position: fixed;
  inset: 0;
  z-index: 70;
  pointer-events: none;
  overflow: hidden;
}
.confetti i {
  position: absolute;
  top: 0;
  display: block;
  animation: confetti-fall linear forwards;
}
@keyframes confetti-fall {
  0% { transform: translate3d(0, -20vh, 0) rotate(0deg); opacity: 1; }
  100% { transform: translate3d(0, 112vh, 0) rotate(720deg); opacity: 0.85; }
}

@media (max-width: 720px) {
  .birthday {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .birthday__glow,
  .birthday__emoji {
    animation: none;
  }
}

/* ---------------- 悬浮发布按钮（仅在站长登录时出现） ---------------- */
.fab {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad-brand);
  color: #0a0a12;
  box-shadow: 0 18px 40px -16px var(--accent), var(--shadow);
  transition: transform var(--dur-2) var(--ease), filter var(--dur-2) var(--ease);
}
.fab:hover {
  transform: translateY(-3px) scale(1.05);
  filter: brightness(1.08);
}

@media (max-width: 720px) {
  .fab {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 720px) {
  .hero__body { padding: 0 var(--space-4) var(--space-5); gap: var(--space-4); }
  .hero__avatar { width: 92px; height: 92px; border-radius: 26px; }
  .hero__avatar-ring { border-radius: 32px; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .post-card { padding: var(--space-4); }
}