/* ==========================================================================
   后台管理台样式
   ========================================================================== */

/* ---------------- 登录 ---------------- */
.login {
  max-width: 420px;
  margin: clamp(40px, 12vh, 140px) auto;
  padding: var(--space-6);
  text-align: center;
}
.login__icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  margin: 0 auto var(--space-4);
  display: grid;
  place-items: center;
  background: var(--grad-brand);
  color: #0b0b12;
  box-shadow: 0 18px 40px -20px var(--accent);
}
.login form { margin-top: var(--space-5); text-align: left; }
.login .btn { margin-top: var(--space-5); }

/* ---------------- 框架 ---------------- */
.admin {
  padding: var(--space-6) 0 var(--space-8);
}
.admin__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.admin__hello { font-size: 0.84rem; color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; }
.admin__title { font-size: clamp(1.5rem, 3vw, 2rem); }

.admin__tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: var(--space-5);
  overflow-x: auto;
  scrollbar-width: none;
}
.admin__tabs::-webkit-scrollbar { display: none; }
.tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-size: 0.88rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur-2) var(--ease);
}
.tab:hover { color: var(--text); background: var(--surface-2); }
.tab.is-active {
  color: var(--text);
  background: var(--surface-3);
  box-shadow: var(--shadow-sm);
}

.admin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-5);
  align-items: start;
}
@media (max-width: 980px) {
  .admin__grid { grid-template-columns: 1fr; }
}

.panel {
  padding: var(--space-5);
}
.panel + .panel { margin-top: var(--space-5); }
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.panel__title { font-size: 1rem; }
.panel__desc { font-size: 0.82rem; color: var(--text-3); }

/* ---------------- KPI ---------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-3);
}
.kpi {
  padding: var(--space-4);
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.kpi__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.kpi__label { font-size: 0.76rem; color: var(--text-3); margin-top: 2px; }

/* ---------------- 迷你柱状图 ---------------- */
.chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 148px;
  padding: 0 4px;
}
.chart__col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  min-width: 0;
}
.chart__track {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
  min-height: 0;
}
.chart__bar {
  width: 100%;
  min-height: 4px;
  border-radius: 7px 7px 3px 3px;
  background: var(--grad-brand);
  transition: opacity var(--dur-2) var(--ease);
}
.chart__bar--empty { background: var(--surface-3); }
.chart__col:hover .chart__bar { opacity: 0.82; }
.chart__label {
  font-size: 0.62rem;
  color: var(--text-3);
  white-space: nowrap;
}

/* ---------------- 头像 / 封面编辑 ---------------- */
.avatar-editor {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.avatar-preview {
  width: 108px;
  height: 108px;
  border-radius: 30px;
  overflow: hidden;
  flex: none;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  display: grid;
  place-items: center;
  position: relative;
}
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; }
.cover-preview {
  width: 100%;
  height: 132px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--grad-brand);
  border: 1px solid var(--border);
  position: relative;
}
.cover-preview img { width: 100%; height: 100%; object-fit: cover; }

.upload-hint {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-align: center;
  color: var(--text-3);
  font-size: 0.84rem;
  cursor: pointer;
  transition: all var(--dur-2) var(--ease);
}
.upload-hint:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--text-2);
  background: var(--accent-soft);
}

/* ---------------- 发布器 ---------------- */
.composer { display: flex; flex-direction: column; gap: var(--space-4); }
.composer__top { display: flex; gap: var(--space-3); align-items: flex-start; }
.composer__avatar {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  overflow: hidden;
  flex: none;
  background: var(--grad-brand);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #0b0b12;
}
.composer__avatar img { width: 100%; height: 100%; object-fit: cover; }

.composer__textarea {
  min-height: 132px;
  border: none;
  background: transparent;
  font-size: 1.02rem;
  line-height: 1.8;
  padding: 6px 0;
  resize: none;
  overflow: hidden;
}
.composer__textarea:focus { box-shadow: none; background: transparent; }

.composer__drop {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-5);
  text-align: center;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--dur-2) var(--ease);
}
.composer__drop:hover,
.composer__drop.is-over {
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  background: var(--accent-soft);
  color: var(--text-2);
}
.composer__drop-icon { font-size: 1.6rem; margin-bottom: 6px; }

.composer__bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.media-tray {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: var(--space-3);
}
.tray-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-3);
  border: 1px solid var(--border);
}
.tray-item img,
.tray-item video { width: 100%; height: 100%; object-fit: cover; }
.tray-item__badge {
  position: absolute;
  left: 6px;
  bottom: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(6, 6, 12, 0.7);
  color: #fff;
  font-size: 0.68rem;
  backdrop-filter: blur(6px);
}
.tray-item__remove {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(6, 6, 12, 0.65);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background var(--dur-2) var(--ease);
}
.tray-item__remove:hover { background: var(--danger); }
.tray-item__bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.18);
}
.tray-item__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--grad-brand);
  transition: width var(--dur-2) var(--ease);
}
.tray-item.is-error { outline: 1px solid var(--danger); }

/* 心情选择 */
.mood-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.mood-option {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.82rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--dur-2) var(--ease);
}
.mood-option:hover { color: var(--text); }
.mood-option.is-active {
  color: var(--text);
  border-color: currentColor;
  background: color-mix(in srgb, currentColor 14%, transparent);
}

/* ---------------- 动态管理列表 ---------------- */
.post-rows { display: flex; flex-direction: column; gap: var(--space-3); }
.post-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  transition: all var(--dur-2) var(--ease);
}
.post-row:hover { border-color: var(--border-strong); background: var(--surface-3); }
.post-row__thumb {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  overflow: hidden;
  flex: none;
  background: var(--surface-3);
  display: grid;
  place-items: center;
  color: var(--text-3);
  font-size: 0.7rem;
}
.post-row__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-row__body { flex: 1; min-width: 0; }
.post-row__text { font-size: 0.9rem; }
.post-row__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.76rem;
  color: var(--text-3);
  margin-top: 2px;
  flex-wrap: wrap;
}
.post-row__ops { display: flex; gap: 4px; flex: none; }

/* ---------------- 链接编辑行 ---------------- */
.link-rows { display: flex; flex-direction: column; gap: var(--space-3); }
.link-row {
  display: grid;
  grid-template-columns: 120px 1fr 130px 40px;
  gap: var(--space-2);
  align-items: center;
}
@media (max-width: 720px) {
  .link-row { grid-template-columns: 1fr 1fr; }
}

/* ---------------- 存取说明 ---------------- */
.storage-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.86rem;
}
.storage-row:last-child { border-bottom: none; }

.code-hint {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  overflow-x: auto;
  white-space: nowrap;
}