/**
 * utils 공통 셸 스타일
 * 색·폰트·간격 토큰은 common.css(:root)에서 상속. 여기서는 utils 전용 레이아웃만 정의.
 */

/* ─── 셸 레이아웃 ─────────────────────────── */
.utils-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
}

.utils-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-card-bg);
}

.utils-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}

.utils-header__brand-icon {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #ffffff;
}

.utils-header__title {
  font-size: 17px;
  font-weight: 600;
}

.utils-header__actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.utils-header__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--ctrl-py) 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-card-bg);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-sm);
  line-height: 1.2;
}

.utils-header__theme {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-card-bg);
  color: var(--color-text);
  cursor: pointer;
}

.utils-main {
  flex: 1;
  min-height: 0;
  padding: 24px;
}

/* ─── 허브: 유틸 카드 그리드 ─────────────── */
.util-hub__lead {
  margin-bottom: 20px;
  color: var(--color-muted);
  font-size: var(--fs-sm);
}

.util-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.util-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card-bg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}

.util-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.util-card__icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-section-bg);
  color: var(--color-primary);
  font-size: 22px;
}

.util-card__title {
  font-size: var(--fs-base);
  font-weight: 600;
}

.util-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.5;
}

.util-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-badge);
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
}

.util-card.is-disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.util-card.is-disabled:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

/* ─── 스텁(준비중) 안내 ──────────────────── */
.util-soon {
  max-width: 480px;
  margin: 40px auto;
  text-align: center;
  padding: 40px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card-bg);
}

.util-soon__icon {
  font-size: 48px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.util-soon__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.util-soon__desc {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* ─── 토스트 ─────────────────────────────── */
.utils-toast-host {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.utils-toast {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-md);
  max-width: 360px;
  white-space: pre-line;
}

.utils-toast--success {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success-text);
}

.utils-toast--error {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger-text);
  cursor: pointer;
}