/**
 * WEB JNN — Components
 * 共通UIコンポーネント定義
 * design-tokens.css + base.css の後に読み込む
 */

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ─── Site Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-header);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: var(--header-height);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-heading);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__logo:hover {
  color: var(--color-text);
  opacity: 0.85;
}

.site-header__logo img {
  height: 32px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: stretch;
  height: var(--header-height);
}

.site-nav a {
  display: flex;
  align-items: center;
  padding-inline: var(--space-m);
  color: var(--color-text-secondary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-caption);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav a.is-active {
  color: var(--color-primary);
}

/* ─── Site Footer ─── */
.site-footer {
  margin-top: var(--space-4xl);
  padding: var(--space-2xl) var(--container-padding);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-caption);
}

.site-footer__links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-m);
  margin-bottom: var(--space-s);
}

.site-footer__links a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.site-footer__links a:hover {
  color: var(--color-text);
}

.site-footer__sep {
  color: var(--color-border-accent);
  font-size: 10px;
  line-height: 1;
}

.site-footer__copy {
  margin: 0;
}

/* ─── Section Heading ─── */
.section-heading {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
}

.section-heading h2 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.section-heading h3 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.section-heading__line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ─── Cards ─── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-l);
  transition:
    border-color var(--transition-base),
    background var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-accent);
  background: var(--color-surface-hover);
}

.card--link {
  display: block;
  text-decoration: none;
  cursor: pointer;
}

.card__title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.card__desc {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  line-height: var(--line-height-caption);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-s);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 10px 24px;
  border-radius: var(--radius-m);
  font-family: var(--font-family);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-caption);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-accent);
}

.btn--secondary:hover {
  border-color: var(--color-border-accent);
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  padding: 8px 12px;
}

.btn--ghost:hover {
  color: var(--color-text);
}

.btn--sm {
  padding: 6px 16px;
  font-size: var(--font-size-small);
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-caption);
  border: 1px solid transparent;
  line-height: 1.6;
}

.badge--active {
  background: var(--color-success-bg);
  color: var(--color-success);
  border-color: var(--color-success-border);
}

.badge--completed {
  background: rgba(136, 136, 136, 0.1);
  color: #888;
  border-color: rgba(136, 136, 136, 0.25);
}

.badge--info {
  background: rgba(123, 142, 232, 0.12);
  color: var(--color-info);
  border-color: rgba(123, 142, 232, 0.35);
}

/* ─── Tags ─── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-s);
  font-size: 12px;
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  line-height: 1.5;
}

/* ─── News Item ─── */
.news-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-m);
  padding: 14px var(--space-m);
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-m);
  transition: background var(--transition-base);
}

.news-item:hover {
  background: var(--color-surface-hover);
}

.news-item__date {
  flex-shrink: 0;
  font-size: var(--font-size-caption);
  line-height: var(--line-height-caption);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.news-item__text {
  font-size: var(--font-size-caption);
  color: rgba(238, 234, 246, 0.85);
  line-height: var(--line-height-caption);
}

.news-item__text a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(238, 234, 246, 0.3);
}

.news-item__text a:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

/* ─── Inputs ─── */
.input {
  width: 100%;
  height: 42px;
  padding: 10px 14px;
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-m);
  font-family: var(--font-family);
  font-size: var(--font-size-caption);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(203, 28, 45, 0.15);
}

.input::placeholder {
  color: var(--color-text-disabled);
}

/* ─── Divider ─── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xl) 0;
}

/* ─── Responsive: Header ─── */

/* PC（≥768px）: ハンバーガー非表示 */
.nav-toggle { display: none; }
.mobile-nav { display: none; }

/* SP（≤767px） */
@media (max-width: 767px) {
  .site-header__logo span { display: none; }
  .site-nav { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
  }
  .nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-secondary);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
  }
  /* × 状態 */
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .mobile-nav:not([hidden]) {
    display: flex;
    flex-direction: column;
    background: var(--color-surface-elevated);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-xs) 0;
  }
  .mobile-nav a {
    display: block;
    padding: var(--space-s) var(--space-l);
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color 0.15s, background 0.15s;
  }
  .mobile-nav a:hover,
  .mobile-nav a.is-active {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
  }
  .mobile-nav a.is-active {
    color: var(--color-primary);
  }

  /* auth-status のコンパクト化 */
  .auth-status__login,
  .auth-status__logout {
    padding: .25rem .5rem;
    font-size: 0.72rem;
    white-space: nowrap;
  }
  .auth-status__icon {
    width: 13px; height: 13px;
  }
  /* ログイン済みのユーザー名をSPで非表示 */
  .auth-status__name .auth-status__name-text { display: none; }
}

/* ─── Auth Status（ヘッダー右端） ─── */
.auth-status {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  flex-shrink: 0;
}

.auth-status__loading {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: auth-spin .7s linear infinite;
}
@keyframes auth-spin { to { transform: rotate(360deg); } }

.auth-status__name {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--color-text-secondary);
  font-size: .8rem;
  max-width: 120px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.auth-status__login,
.auth-status__logout {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .28rem .75rem;
  border-radius: var(--radius-s);
  font-size: .78rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s;
}

.auth-status__icon {
  width: 15px; height: 15px;
  fill: currentColor;
  flex-shrink: 0;
}

.auth-status__login {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  gap: .3rem;
}
.auth-status__login:hover {
  color: var(--color-text);
  border-color: var(--color-border-accent);
  background: rgba(255,255,255,.06);
}

.auth-status__logout {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}
.auth-status__logout:hover {
  color: var(--color-text);
  border-color: var(--color-border-accent);
}
.auth-status__logout-form {
  display: inline-flex;
  margin: 0;
  padding: 0;
}

/* ─── Member Panel CSSは削除済み（auth-status__login のみで対応） ─── */