/* ═══════════════════════════════════════════════════════════════
 *  mobile/css/mobile.css
 *  모바일 전용 오버라이드 — max-width: 768px 에서만 적용
 *
 *  핵심 동작:
 *   - PC (>= 769px): 모바일 partial 모두 숨김 (사이드바만 보임)
 *   - 모바일 (<= 768px): 사이드바 숨김, topbar + tabbar + drawer 활성
 * ═══════════════════════════════════════════════════════════════ */

/* ─── PC: 모바일 partial 강제 숨김 ─── */
@media (min-width: 769px) {
  .m-topbar,
  .m-tabbar,
  .m-drawer { display: none !important; }
}

/* ─── 모바일 (<= 768px) ─── */
@media (max-width: 768px) {

  /* 모바일에선 스크롤바 완전히 숨김 — 탭바가 스크롤바와 겹치지 않게 */
  ::-webkit-scrollbar { display: none; }
  html { scrollbar-width: none; }

  /* 사이드바 숨김, 본문은 풀 폭 */
  .sidebar { display: none !important; }
  .layout {
    grid-template-columns: 1fr !important;
    min-width: 0;
  }
  .layout > .content {
    min-width: 0;     /* grid item 기본 min-width(auto) 가 콘텐츠 폭에 맞춰 커지는 것 방지 */
    max-width: 100vw;
    overflow-x: hidden;
  }

  /* 본문 하단 여백 (탭바 아래 가려지지 않도록) */
  .content {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }

  /* breadcrumb 가 topbar 아래에 sticky */
  .crumb { top: 48px; }

  /* ═══════════════ 상단 바 ═══════════════ */
  .m-topbar {
    background: color-mix(in srgb, var(--paper) 80%, transparent);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--hair);
    height: 48px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .m-brand {
    flex: 1;
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
  }
  .m-brand .name {
    font-weight: 800;
    font-size: 15px;
    letter-spacing: -.015em;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .m-brand .tag {
    font-size: 11px;
    color: var(--accent-2);
    font-weight: 500;
    letter-spacing: .04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* ═══════════════ 하단 탭바 ═══════════════ */
  .m-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 64px;
    background: color-mix(in srgb, var(--paper) 82%, transparent);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-top: 1px solid var(--hair);
    display: flex;
    z-index: 50;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, .04);
  }
  .m-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--ink-mute);
    font-size: 9px;
    font-weight: 600;
    text-decoration: none;
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    position: relative;
    padding: 6px 4px;
    transition: color .15s;
    min-width: 0;
  }
  .m-tab .ic {
    font-family: 'Material Symbols Rounded';
    font-size: 22px;
  }
  .m-tab .lbl {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 9px;
    letter-spacing: -.01em;
  }
  .m-tab.active { color: var(--accent); }
  .m-tab.active::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 0 0 2px 2px;
  }
  .m-tab-empty {
    pointer-events: none;
    opacity: 0;
  }

  /* ═══════════════ 드로어 (풀스크린) ═══════════════ */
  .m-drawer {
    position: fixed;
    inset: 0;
    background: color-mix(in srgb, var(--paper) 90%, transparent);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    transform: translateY(100%);
    transition: transform .35s cubic-bezier(.2, .8, .2, 1);
    z-index: 100;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .m-drawer.open {
    transform: translateY(0);
  }

  .m-drawer-head {
    padding: 22px 22px 18px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 1px solid var(--hair-soft);
    flex-shrink: 0;
  }
  .m-drawer-head .ti {
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -.025em;
    color: var(--ink);
  }
  .m-drawer-head .close {
    font-family: 'Material Symbols Rounded';
    font-size: 24px;
    color: var(--ink-mute);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    line-height: 1;
  }
  .m-drawer-head .close:hover { background: var(--hair-soft); }

  .m-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 30px;
    -webkit-overflow-scrolling: touch;
  }
  .m-drawer-body::-webkit-scrollbar { display: none; }

  .m-section {
    padding: 18px 22px 6px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--ink-mute);
    font-weight: 600;
  }

  .m-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 22px;
    font-size: 14px;
    color: var(--ink);
    text-decoration: none;
    cursor: pointer;
    font-weight: 500;
    transition: background .15s;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
  }
  .m-item:active { background: var(--hair-soft); }
  .m-item.active {
    color: var(--accent);
    font-weight: 700;
    background: var(--accent-soft);
  }
  .m-item .ic {
    font-family: 'Material Symbols Rounded';
    font-size: 20px;
    color: var(--ink-mute);
    width: 20px;
    flex-shrink: 0;
  }
  .m-item.active .ic { color: var(--accent); }
  .m-item .pin {
    margin-left: auto;
    font-family: 'Material Symbols Rounded';
    font-size: 14px;
    color: var(--accent);
    opacity: .6;
  }

  .m-login-pop {
    padding: 14px 22px;
    background: var(--hair-soft);
  }
  .m-login-pop form {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .m-login-pop input {
    background: var(--paper);
    border: 1px solid var(--hair);
    border-radius: 7px;
    padding: 10px 12px;
    font-size: 13px;
    outline: none;
    font-family: inherit;
    color: var(--ink);
  }
  .m-login-pop input:focus { border-color: var(--accent); }
  .m-login-pop button {
    background: var(--accent);
    color: var(--paper);
    border: none;
    border-radius: 7px;
    padding: 10px;
    font-size: 13px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
  }
  .m-divider {
    border: none;
    border-top: 1px dashed var(--hair);
    margin: 14px 24px;
  }
}


@media (max-width: 768px) {
  /* DRAWER 섹션 필터 */
  .m-drawer .m-group {
    transition: opacity .15s ease;
  }
  .m-drawer .m-group--hidden {
    display: none;
  }

  /* 섹션 탭 (m-tab-section) — 일반 탭과 같은 룩 */
  .m-tab-section {
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    padding: 0;
  }
}

@media (max-width: 768px) {
  /* 더보기 → 섹션 선택 view */
  .m-drawer-sections {
    padding: 8px 0;
  }
  .m-section-pick {
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    cursor: pointer;
  }
  .m-section-pick.active {
    color: var(--accent);
    font-weight: 700;
    background: color-mix(in srgb, var(--accent) 6%, transparent);
  }
  .m-section-pick.active .ic { color: var(--accent); }
  .m-section-pick .pin {
    margin-left: auto;
    font-size: 11px;
    color: var(--accent);
  }
}