/* =============================================
   NAVBAR: Top Navigation Bar
   ============================================= */

/* =============================================
   NAVBAR — 顶部导航栏
   ============================================= */

.home-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(250, 245, 238, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(184, 92, 56, 0.1);
  box-shadow: 0 2px 16px rgba(74, 44, 24, 0.07);
}

.home-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
}

/* 品牌 Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 1.08rem;
  transition: opacity 0.15s ease;
}

.navbar-brand:hover { opacity: 0.82; }

.navbar-brand-icon {
  width: 30px;
  height: 30px;
  color: var(--brand);
  flex-shrink: 0;
  /* 防止父级 opacity/fill 干扰图标渲染 */
  isolation: isolate;
}

.navbar-brand-text {
  white-space: nowrap;
}

/* 用户区 */
.navbar-user-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 未登录按钮 */
.navbar-login-btn {
  padding: 8px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff7f0;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(142, 66, 36, 0.22);
  transition: filter 0.16s ease, transform 0.14s ease;
}

.navbar-login-btn:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* 已登录头像按钮 */
.navbar-avatar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 5px;
  border-radius: 999px;
  border: 1px solid rgba(184, 92, 56, 0.16);
  background: rgba(255, 252, 247, 0.9);
  cursor: pointer;
  transition: box-shadow 0.16s ease, border-color 0.16s ease;
  box-shadow: none;
  transform: none;
  filter: none;
}

.navbar-avatar-btn:hover {
  border-color: rgba(184, 92, 56, 0.3);
  box-shadow: 0 4px 14px rgba(74, 44, 24, 0.1);
  transform: none;
  filter: none;
}

.navbar-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(184, 92, 56, 0.2);
}

.navbar-user-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand-dark);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.navbar-dropdown-arrow {
  font-size: 0.75rem;
  color: var(--muted);
  transition: transform 0.18s ease;
}

.navbar-avatar-btn[aria-expanded="true"] .navbar-dropdown-arrow {
  transform: rotate(180deg);
}

/* 下拉菜单 */
.navbar-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 280px;
  background: rgba(255, 252, 247, 0.98);
  border: 1px solid rgba(184, 92, 56, 0.14);
  border-radius: 20px;
  box-shadow: 0 20px 56px rgba(74, 44, 24, 0.16);
  padding: 16px;
  display: grid;
  gap: 12px;
  animation: dropdown-in 0.18s ease;
}

@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.navbar-user {
  position: relative;
}

.navbar-dropdown-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dropdown-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(184, 92, 56, 0.2);
  flex-shrink: 0;
}

.navbar-dropdown-header strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text);
}

.dropdown-role {
  margin: 3px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.navbar-dropdown-divider {
  height: 1px;
  background: rgba(68, 52, 40, 0.08);
}

.navbar-dropdown-section {
  display: grid;
  gap: 8px;
}

.dropdown-section-label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.dropdown-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  margin: 0;
}

.dropdown-select {
  width: 100%;
  padding: 7px 10px;
  border-radius: 10px;
  font-size: 0.85rem;
}

.dropdown-file {
  width: 100%;
  padding: 6px 0;
  font-size: 0.82rem;
  border: none;
  background: transparent;
  box-shadow: none;
}

.dropdown-btn {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.dropdown-message {
  margin: 0;
  font-size: 0.82rem;
}

.dropdown-logout-btn {
  width: 100%;
  padding: 9px;
  border-radius: 12px;
  background: rgba(166, 59, 50, 0.1);
  color: var(--danger);
  border: 1px solid rgba(166, 59, 50, 0.16);
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.15s ease;
  transform: none;
  filter: none;
  box-shadow: none;
}

.dropdown-logout-btn:hover {
  background: rgba(166, 59, 50, 0.18);
  transform: none;
  filter: none;
}

/* ── Auth / Create Space 弹窗 ── */
.auth-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(27, 20, 15, 0.5);
  backdrop-filter: blur(6px);
  animation: fade-in 0.2s ease;
}

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 201;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  pointer-events: none;
}

.auth-modal:not(.hidden) {
  pointer-events: auto;
  animation: fade-in 0.2s ease;
}

.auth-modal-card {
  position: relative;
  width: min(420px, 100%);
  background: rgba(255, 252, 247, 0.99);
  border-radius: 28px;
  padding: 32px;
  box-shadow: 0 32px 80px rgba(74, 44, 24, 0.22);
  border: 1px solid rgba(184, 92, 56, 0.1);
  animation: dialog-slide-in 0.22s ease;
}

.create-space-modal-card {
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
}

.auth-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(68, 52, 40, 0.12);
  background: rgba(255, 255, 255, 0.8);
  color: var(--muted);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  box-shadow: none;
  transform: none;
  filter: none;
}

.auth-modal-close:hover {
  background: rgba(166, 59, 50, 0.1);
  color: var(--danger);
  border-color: rgba(166, 59, 50, 0.2);
  transform: none;
  filter: none;
}

/* ── Home shell padding（给 sticky navbar 让位） ── */
.home-shell {
  padding-top: 32px;
}

/* ── 全宽主区域 ── */
.home-main-full {
  grid-template-columns: 1fr;
}

.home-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.home-section-head h2 {
  margin: 0 0 4px;
  font-size: 1.5rem;
  font-weight: 700;
}

.home-section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* 新建按钮 */
.create-space-trigger {
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff7f0;
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(142, 66, 36, 0.22);
  white-space: nowrap;
  transition: filter 0.16s ease, transform 0.14s ease;
}

.create-space-trigger:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* ── 大空间卡片（重写） ── */
.space-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.space-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 8px 28px rgba(74, 44, 24, 0.1);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  min-height: 240px;
  backdrop-filter: blur(4px);
}

.space-tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 56px rgba(74, 44, 24, 0.17);
}

.space-tile-locked {
  opacity: 0.88;
}

/* 封面区（上半部分，展示小屋图标） */
.space-tile-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 130px;
  /* 去掉白色叠层，直接透出卡片渐变背景 */
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  transition: background 0.2s ease;
}

.space-tile:hover .space-tile-cover {
  background: rgba(255, 255, 255, 0.15);
}

.space-tile-house-svg {
  width: 64px;
  height: 64px;
  color: rgba(90, 55, 30, 0.62);
  opacity: 1;
  transition: transform 0.22s ease, color 0.22s ease;
  filter: drop-shadow(0 4px 8px rgba(142, 66, 36, 0.15));
}

.space-tile:hover .space-tile-house-svg {
  transform: scale(1.1) translateY(-3px);
  color: rgba(90, 55, 30, 0.85);
}

/* 内容区（下半部分） */
.space-tile-body {
  display: grid;
  gap: 6px;
  padding: 14px 18px 6px;
  flex: 1;
}

.space-tile-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: rgba(45, 34, 27, 0.9);
  line-height: 1.3;
  word-break: break-word;
}

.space-tile-owner {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(111, 92, 77, 0.9);
}

.space-tile-lock {
  font-size: 0.78rem;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.55);
  padding: 3px 9px;
  border-radius: 999px;
  display: inline-block;
  width: fit-content;
}

/* 进入按钮 */
.space-tile-enter {
  display: block;
  margin: 10px 18px 16px;
  padding: 9px 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: var(--brand-dark);
  font-size: 0.86rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.14s ease;
}

.space-tile-enter:hover {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(255, 255, 255, 0.9);
  transform: none;
}

/* 删除按钮 */
.space-tile-delete {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.7);
  color: var(--danger);
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.18s ease, background 0.15s ease, transform 0.15s ease;
  padding: 0;
  box-shadow: none;
  cursor: pointer;
}

.space-tile:hover .space-tile-delete {
  opacity: 1;
}

.space-tile-delete:hover {
  background: rgba(166, 59, 50, 0.18) !important;
  transform: scale(1.12) !important;
  filter: none !important;
}

/* ── 响应式 Navbar ── */
@media (max-width: 600px) {
  .home-navbar-inner {
    padding: 0 16px;
  }

  .navbar-brand-text {
    font-size: 0.95rem;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .navbar-user-name {
    display: none;
  }

  .space-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ── 详情页/云盘页 Navbar 变体 ── */
.detail-navbar {
  background: rgba(250, 245, 238, 0.86);
}

.detail-navbar-inner {
  max-width: 1240px;
}

.detail-navbar-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.detail-navbar-link,
.detail-navbar-space-chip,
.detail-navbar-user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid rgba(184, 92, 56, 0.14);
  background: rgba(255, 252, 247, 0.86);
  color: var(--brand-dark);
  box-shadow: 0 6px 18px rgba(74, 44, 24, 0.06);
}

.detail-navbar-link:hover {
  background: rgba(255, 255, 255, 0.98);
}

.detail-navbar-space-chip {
  font-weight: 700;
}

.detail-navbar-user-chip img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(184, 92, 56, 0.16);
}

@media (max-width: 760px) {
  .detail-navbar-inner {
    padding: 0 16px;
  }

  .detail-navbar-meta {
    gap: 8px;
  }

  .detail-navbar-link,
  .detail-navbar-space-chip,
  .detail-navbar-user-chip {
    min-height: 32px;
    padding: 6px 12px;
    font-size: 0.84rem;
  }
}