/**
 * 首页三通自适应：手机 (≤639) / 平板 (640–1023) / 桌面 (≥1024)
 * 手机/平板：抽屉侧栏 + 顶栏；桌面：固定侧栏。
 */

:root {
  --home-mobile-bar-h: 52px;
  --home-sidebar-drawer-w: min(280px, 88vw);
}

/* ---------- 移动端顶栏（默认隐藏） ---------- */
.home-mobile-bar {
  display: none;
  align-items: center;
  gap: 10px;
  height: var(--home-mobile-bar-h);
  padding: 0 12px;
  padding-left: max(12px, env(safe-area-inset-left, 0px));
  padding-right: max(12px, env(safe-area-inset-right, 0px));
  background: rgba(17, 17, 19, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 180;
  flex-shrink: 0;
}

.home-menu-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface2);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.home-mobile-title {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.home-mobile-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.home-mobile-actions .btn {
  padding: 7px 12px;
  font-size: 12px;
}

.home-mobile-user {
  max-width: 88px;
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 191, 0.4);
  background: rgba(45, 212, 191, 0.1);
  color: #5eead4;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(0, 0, 0, 0.55);
  border: none;
  padding: 0;
  cursor: pointer;
}

body.home-nav-open .home-sidebar-backdrop {
  display: block;
}

body.home-nav-open {
  overflow: hidden;
}

/* ---------- 平板 + 手机：抽屉导航 ---------- */
@media (max-width: 1023px) {
  body {
    flex-direction: column;
    background-attachment: scroll;
  }

  .home-mobile-bar {
    display: flex;
    width: 100%;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--home-sidebar-drawer-w);
    min-height: 100dvh;
    min-height: 100vh;
    z-index: 200;
    transform: translateX(-105%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.45);
    padding-top: max(16px, env(safe-area-inset-top, 0px));
    padding-bottom: max(16px, env(safe-area-inset-bottom, 0px));
  }

  body.home-nav-open .sidebar {
    transform: translateX(0);
  }

  .main {
    width: 100%;
    flex: 1 1 auto;
    min-width: 0;
    padding: 16px max(14px, env(safe-area-inset-right, 0px)) max(24px, env(safe-area-inset-bottom, 0px))
      max(14px, env(safe-area-inset-left, 0px));
  }

  .main-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 20px;
  }

  .main-header h1 {
    font-size: 20px;
  }

  .user-bar {
    flex-wrap: wrap;
    width: 100%;
  }

  .user-bar .user-chip {
    display: none;
  }

  .user-bar .btn,
  .user-bar .btn-primary {
    flex: 1 1 auto;
    min-width: 0;
    text-align: center;
    justify-content: center;
  }

  .dual-boxes {
    gap: 14px;
    margin-bottom: 24px;
  }

  .big-box {
    padding: 18px 16px;
    min-height: 0;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .group-teaser {
    grid-column: 1 / -1;
    min-height: 120px;
    padding: 16px;
  }

  .random-encounter-dialog {
    width: min(88vw, 250px);
    max-width: 88vw;
    height: fit-content;
    max-height: min(90dvh, 580px);
    margin: auto;
    border-radius: 18px;
  }

  .random-encounter-dialog.re-dialog--wide {
    width: min(92vw, 288px);
    max-width: 92vw;
  }

  .random-encounter-dialog .gift-dialog-inner {
    max-height: min(90dvh, 580px);
    padding-bottom: max(8px, env(safe-area-inset-bottom, 0px));
  }

  .user-profile-dialog {
    width: min(96vw, 420px);
  }

  .re-detail-dialog,
  .re-reroll-dialog {
    width: min(96vw, 480px);
    max-width: 96vw;
  }

  .re-reroll-actions {
    flex-direction: column-reverse;
  }

  .re-reroll-actions .btn {
    width: 100%;
    min-width: 0;
  }
}

/* ---------- 小屏手机 ---------- */
@media (max-width: 639px) {
  :root {
    --home-mobile-bar-h: 48px;
  }

  .main-header .sub {
    font-size: 12px;
    line-height: 1.45;
  }

  .user-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .user-bar .btn-primary {
    grid-column: 1 / -1;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .char-card .meta .name {
    font-size: 13px;
  }

  .char-card .meta .hook {
    font-size: 11px;
    line-clamp: 2;
    -webkit-line-clamp: 2;
  }

  .re-npc-grid {
    grid-template-columns: 1fr;
  }

  .re-npc-grid.re-npc-grid--carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    grid-template-columns: unset;
  }

  .re-npc-grid.re-npc-grid--carousel .re-gacha-card-wrap {
    flex: 0 0 88%;
    max-width: 88%;
    scroll-snap-align: center;
  }

  .re-controls {
    flex-direction: column;
  }

  .re-history-board {
    grid-template-columns: 1fr;
  }

  .re-control select {
    width: 100%;
  }

  .re-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .re-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .re-cost-note {
    text-align: center;
  }
}

/* ---------- 超窄屏（如 iPhone SE 320px） ---------- */
@media (max-width: 359px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .char-card {
    aspect-ratio: 16 / 10;
  }

  .home-mobile-actions .btn-primary {
    display: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) and (max-width: 1023px) {
  .main {
    padding: 20px 22px 32px;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .re-npc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  @media (min-width: 720px) {
    .re-npc-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  }
}

/* ---------- 桌面：隐藏移动壳层 ---------- */
@media (min-width: 1024px) {
  .home-mobile-bar,
  .home-sidebar-backdrop {
    display: none !important;
  }

  .sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    transform: none !important;
  }

  .main {
    padding: 24px 28px 48px;
  }

  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar {
    transition: none;
  }
}