/* ── 앱바 (상단 네비게이션) ────────────────────────────── */
.appbar {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
  padding: 0 24px;
  background: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.appbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-500);
  flex-shrink: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.appbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.appbar-end {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

/* ── 탭 버튼 (상단 네비 스타일) ──────────────────────── */
.tab {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.tab:hover {
  background: var(--neutral-100);
  color: var(--text-primary);
}
.tab.active {
  background: var(--brand-500);
  color: #fff;
  font-weight: 700;
}

/* ── 상태 배너 ─────────────────────────────────────────── */
.status-banner {
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}
.status-banner.hidden { display: none; }
.status-banner.green  { color: var(--success-500); background: var(--success-100); }
.status-banner.gray   { color: var(--text-tertiary); background: var(--neutral-100); }
.status-banner.yellow { color: var(--warning-500);  background: var(--warning-100); }
.status-banner.red    { color: var(--danger-500);   background: var(--danger-100); }

/* ── 모바일 햄버거 버튼 ────────────────────────────────── */
.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
  appearance: none;
}
.icon-btn:hover { background: var(--neutral-100); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

/* ── 모바일 드롭다운 메뉴 ──────────────────────────────── */
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: #fff;
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}
.mobile-nav .tab {
  justify-content: flex-start;
  width: 100%;
  border-radius: var(--radius-md);
}

body.nav-open .mobile-nav { display: flex; }

/* ── 메인 콘텐츠 ────────────────────────────────────────── */
.app-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* ── 패널 (탭 콘텐츠) ──────────────────────────────────── */
.panel { display: none; }
.panel.active { display: block; }

/* ── 전역 폼 요소 ────────────────────────────────────────── */
input, textarea, select {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-default);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { padding-block: 14px; min-height: 120px; }

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.icon-btn:focus-visible,
.btn:focus-visible,
.tab:focus-visible {
  outline: 2px solid var(--focus-ring-strong);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--focus-ring);
}

/* ── 인증 박스 ────────────────────────────────────────────  */
.auth-box { display: flex; align-items: center; gap: 8px; }
.auth-box input, .auth-box button { width: auto; }

/* ── 반응형 ─────────────────────────────────────────────── */
@media (max-width: 767px) {
  .appbar {
    padding: 0 16px;
    gap: 8px;
  }
  .appbar-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .app-main { padding: 16px 12px 40px; }
}

@media (max-width: 480px) {
  .brand-name { font-size: 16px; }
  .status-banner { font-size: 11px; padding: 3px 10px; }
}