/* ============================================================================
 * iOS 26 Component Styles
 * ----------------------------------------------------------------------------
 * 6 components: toolbar, list_row, alert, button, tab_bar, list_section
 * Source: ios26-design-system/packages/rails/_ios26_helpers.html.erb
 * Extracted to CSS file to avoid <style> tag duplication on each render.
 * ========================================================================= */


/* ---------------------------------------------------------------------------
 * TOOLBAR
 * ------------------------------------------------------------------------ */
.ios-toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ios-material-chrome-bg);
  backdrop-filter: blur(var(--ios-blur-chrome));
  -webkit-backdrop-filter: blur(var(--ios-blur-chrome));
  padding: var(--ios-spacing-sm) var(--ios-inset-horizontal);
  border-bottom: 0.5px solid var(--ios-separator-non-opaque);
}
.ios-toolbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
}
.ios-toolbar__leading,
.ios-toolbar__trailing {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-sm);
  min-width: 60px;
}
.ios-toolbar__trailing { justify-content: flex-end; }
.ios-toolbar__title--inline {
  flex: 1;
  text-align: center;
  color: var(--ios-label-primary);
  margin: 0;
}
.ios-toolbar__title--large {
  color: var(--ios-label-primary);
  margin: var(--ios-spacing-xs) 0 var(--ios-spacing-sm);
  padding: 0 var(--ios-spacing-xs);
}
.ios-toolbar__large-title-area { display: flex; flex-direction: column; }
.ios-toolbar__back,
.ios-toolbar__action {
  color: var(--ios-color-blue);
  text-decoration: none;
  font-family: var(--ios-font-family);
  font-size: var(--ios-body-size);
  font-weight: var(--ios-body-weight);
  letter-spacing: var(--ios-body-tracking);
  padding: var(--ios-spacing-sm);
  border-radius: var(--ios-radius-sm);
  transition: opacity var(--ios-duration-fast) var(--ios-easing-default);
}
.ios-toolbar__back:active,
.ios-toolbar__action:active { opacity: 0.5; }


/* ---------------------------------------------------------------------------
 * LIST ROW
 * ------------------------------------------------------------------------ */
.ios-row {
  display: flex;
  align-items: center;
  min-height: var(--ios-row-height-default);
  padding: var(--ios-spacing-sm) var(--ios-inset-grouped-horizontal);
  background: var(--ios-bg-grouped-secondary);
  text-decoration: none;
  color: inherit;
  transition: background var(--ios-duration-fast) var(--ios-easing-default);
  border-bottom: 0.5px solid var(--ios-separator-opaque);
}
.ios-row:last-child { border-bottom: none; }
a.ios-row:active { background: var(--ios-fill-tertiary); }
.ios-row__leading {
  width: 29px;
  height: 29px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--ios-spacing-md);
  border-radius: 6px;
  flex-shrink: 0;
}
.ios-row__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.ios-row__title { color: var(--ios-label-primary); }
.ios-row__subtitle { color: var(--ios-label-secondary); }
.ios-row__trailing {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-xs);
  flex-shrink: 0;
  margin-left: var(--ios-spacing-sm);
}
.ios-row__detail { color: var(--ios-label-secondary); }
.ios-row__chevron {
  display: inline-block;
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--ios-gray-3);
  border-bottom: 2px solid var(--ios-gray-3);
  transform: rotate(-45deg);
}
.ios-row--destructive .ios-row__title { color: var(--ios-color-red); }


/* ---------------------------------------------------------------------------
 * ALERT
 * ------------------------------------------------------------------------ */
.ios-alert-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  animation: ios-fade-in var(--ios-duration-normal) var(--ios-easing-default);
}
.ios-alert {
  width: 270px;
  background: var(--ios-material-thick-bg);
  backdrop-filter: blur(var(--ios-blur-thick));
  -webkit-backdrop-filter: blur(var(--ios-blur-thick));
  border-radius: 14px;
  overflow: hidden;
  animation: ios-scale-in var(--ios-duration-normal) var(--ios-easing-spring);
}
.ios-alert__content { padding: 20px 16px 16px; text-align: center; }
.ios-alert__title { color: var(--ios-label-primary); margin: 0 0 4px; }
.ios-alert__message {
  color: var(--ios-label-secondary);
  margin: 0;
  font-size: var(--ios-footnote-size);
  line-height: var(--ios-footnote-line-height);
}
.ios-alert__actions {
  display: flex;
  flex-direction: column;
  border-top: 0.5px solid var(--ios-separator-opaque);
}
.ios-alert__actions:has(> :nth-child(3)) { flex-direction: column; }
.ios-alert__actions:not(:has(> :nth-child(3))) { flex-direction: row; }
.ios-alert__btn {
  flex: 1;
  padding: 11px 8px;
  text-align: center;
  font-family: var(--ios-font-family);
  font-size: var(--ios-body-size);
  color: var(--ios-color-blue);
  background: none;
  border: none;
  border-top: 0.5px solid var(--ios-separator-opaque);
  cursor: pointer;
  text-decoration: none;
  display: block;
  transition: background var(--ios-duration-fast) var(--ios-easing-default);
}
.ios-alert__actions:not(:has(> :nth-child(3))) .ios-alert__btn {
  border-top: none;
  border-left: 0.5px solid var(--ios-separator-opaque);
}
.ios-alert__actions:not(:has(> :nth-child(3))) .ios-alert__btn:first-child { border-left: none; }
.ios-alert__btn:first-child { border-top: none; }
.ios-alert__btn:active { background: var(--ios-fill-quaternary); }
.ios-alert__btn--cancel { font-weight: 600; }
.ios-alert__btn--destructive { color: var(--ios-color-red); }
.ios-alert__btn--default { font-weight: 400; }

@keyframes ios-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes ios-scale-in {
  from { transform: scale(1.05); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}


/* ---------------------------------------------------------------------------
 * BUTTON
 * ------------------------------------------------------------------------ */
.ios-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ios-spacing-xs);
  font-family: var(--ios-font-family);
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--ios-glass-radius-medium);
  transition: all var(--ios-duration-fast) var(--ios-easing-default);
  -webkit-tap-highlight-color: transparent;
}
.ios-btn:active:not(.ios-btn--disabled) {
  transform: scale(0.97);
  opacity: 0.7;
}
.ios-btn--small {
  font-size: var(--ios-subheadline-size);
  line-height: var(--ios-subheadline-line-height);
  padding: 6px 12px;
  border-radius: var(--ios-glass-radius-small);
}
.ios-btn--medium {
  font-size: var(--ios-body-size);
  line-height: var(--ios-body-line-height);
  padding: 8px 16px;
}
.ios-btn--large {
  font-size: var(--ios-body-size);
  line-height: var(--ios-body-line-height);
  font-weight: 600;
  padding: 14px 20px;
  width: 100%;
  border-radius: var(--ios-glass-radius-large);
}
.ios-btn--liquid_glass {
  background: var(--ios-glass-bg-medium);
  backdrop-filter: blur(var(--ios-glass-shadow-blur));
  -webkit-backdrop-filter: blur(var(--ios-glass-shadow-blur));
  color: var(--ios-color-blue);
  box-shadow: 0 0 var(--ios-glass-shadow-blur) rgba(0, 0, 0, 0.06);
}
.ios-btn--filled { background: var(--ios-color-blue); color: #ffffff; }
.ios-btn--gray { background: var(--ios-fill-primary); color: var(--ios-label-primary); }
.ios-btn--plain {
  background: transparent;
  color: var(--ios-color-blue);
  padding-left: 0;
  padding-right: 0;
}
.ios-btn--destructive { background: var(--ios-color-red); color: #ffffff; }
.ios-btn--disabled { opacity: 0.35; cursor: not-allowed; }


/* ---------------------------------------------------------------------------
 * TAB BAR
 * ------------------------------------------------------------------------ */
.ios-tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  padding: var(--ios-spacing-xs) 0 var(--ios-safe-area-bottom);
  background: var(--ios-glass-bg-large);
  backdrop-filter: blur(var(--ios-glass-shadow-blur));
  -webkit-backdrop-filter: blur(var(--ios-glass-shadow-blur));
  border-top: 0.5px solid var(--ios-separator-non-opaque);
  min-height: 49px;
}
.ios-tab-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--ios-spacing-xs) var(--ios-spacing-sm);
  text-decoration: none;
  color: var(--ios-gray);
  min-width: 50px;
  transition: color var(--ios-duration-fast) var(--ios-easing-default);
  -webkit-tap-highlight-color: transparent;
}
.ios-tab-bar__item--active { color: var(--ios-color-blue); }
.ios-tab-bar__icon {
  font-size: 22px;
  width: 25px;
  height: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ios-tab-bar__label { color: inherit; }
.ios-tab-bar__item:active { opacity: 0.5; }

/* 데스크탑(md+)에서는 바텀탭 숨김 */
@media (min-width: 768px) {
  .ios-tab-bar { display: none; }
}


/* ---------------------------------------------------------------------------
 * LIST SECTION (grouped)
 * ------------------------------------------------------------------------ */
.ios-list-section { margin-bottom: var(--ios-spacing-2xl); }
.ios-list-section__header {
  color: var(--ios-label-secondary);
  text-transform: uppercase;
  padding: 0 var(--ios-inset-grouped-horizontal) var(--ios-spacing-sm);
}
.ios-list-section__body {
  background: var(--ios-bg-grouped-secondary);
  border-radius: var(--ios-radius-card);
  margin: 0 var(--ios-inset-horizontal);
  overflow: hidden;
}
.ios-list-section__footer {
  color: var(--ios-label-secondary);
  padding: var(--ios-spacing-sm) var(--ios-inset-grouped-horizontal) 0;
}


/* ---------------------------------------------------------------------------
 * KRX-specific additions
 * ------------------------------------------------------------------------ */

/* ── App body / content (iOS 26 grouped 배경) ── */
.ios-app-body {
  background: var(--ios-bg-grouped-primary);
  color: var(--ios-label-primary);
  font-family: var(--ios-font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.ios-app-body.native-app {
  /* 네이티브 앱은 GNB/탭바 없음 — 풀스크린 컨텐츠 */
  background: var(--ios-bg-grouped-primary);
}

/* 컨텐츠 래퍼: 데스크탑(md+)에서만 GNB(64px) 만큼 상단 여백 */
.ios-app-content { padding-top: 0; }
@media (min-width: 768px) {
  .ios-app-content { padding-top: 64px; }
}

/* 하단 여백: 모바일은 바텀탭(80px), 데스크탑은 0 */
.ios-app-bottom-spacer { height: 80px; }
@media (min-width: 768px) {
  .ios-app-bottom-spacer { height: 0; }
}


/* 데스크탑 GNB: 좌측 로고 + 중앙 메뉴 + 우측 액션 */
.ios-toolbar--desktop { display: none; }
@media (min-width: 768px) {
  .ios-toolbar--desktop { display: block; }
}

.ios-toolbar--desktop .ios-toolbar__row {
  justify-content: flex-start;
  gap: var(--ios-spacing-2xl);
}
.ios-toolbar--desktop .ios-toolbar__leading {
  min-width: auto;
  flex-shrink: 0;
}
.ios-toolbar--desktop .ios-toolbar__center {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-xs);
}
.ios-toolbar--desktop .ios-toolbar__center a {
  font-family: var(--ios-font-family);
  font-size: var(--ios-callout-size);
  font-weight: 500;
  color: var(--ios-label-secondary);
  text-decoration: none;
  padding: var(--ios-spacing-xs) var(--ios-spacing-md);
  border-radius: var(--ios-radius-sm);
  transition: all var(--ios-duration-fast) var(--ios-easing-default);
}
.ios-toolbar--desktop .ios-toolbar__center a:hover {
  background: var(--ios-fill-quaternary);
  color: var(--ios-label-primary);
}
.ios-toolbar--desktop .ios-toolbar__center a.is-active {
  background: rgba(0, 180, 214, 0.12);
  color: var(--ios-color-cyan);
}

.ios-toolbar__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.ios-toolbar__logo img { height: 28px; display: block; }
.ios-toolbar__notif {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  color: var(--ios-label-secondary);
  text-decoration: none;
  border-radius: var(--ios-radius-sm);
  transition: color var(--ios-duration-fast) var(--ios-easing-default);
}
.ios-toolbar__notif:hover { color: var(--ios-label-primary); }
.ios-toolbar__notif svg { width: 20px; height: 20px; }
.ios-notif-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ios-color-red);
  color: #fff;
  font-family: var(--ios-font-family);
  font-size: 10px;
  font-weight: 700;
  border-radius: 9999px;
  line-height: 1;
}
.ios-toolbar__user {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-sm);
  padding-left: var(--ios-spacing-md);
  margin-left: var(--ios-spacing-xs);
  border-left: 0.5px solid var(--ios-separator-opaque);
}
.ios-toolbar__user-name {
  font-family: var(--ios-font-family);
  font-size: var(--ios-subheadline-size);
  color: var(--ios-label-primary);
  font-weight: 500;
}
.ios-toolbar__signout {
  font-family: var(--ios-font-family);
  font-size: var(--ios-footnote-size);
  color: var(--ios-label-secondary);
  text-decoration: none;
  transition: color var(--ios-duration-fast) var(--ios-easing-default);
}
.ios-toolbar__signout:hover { color: var(--ios-color-cyan); }

/* 토스트 (KRX flash 메시지) — iOS 26에는 없지만 채택 */
.ios-toast-container {
  position: fixed;
  top: calc(var(--ios-safe-area-top) + 60px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 9998;
  pointer-events: none;
}
.ios-toast {
  display: inline-flex;
  align-items: center;
  gap: var(--ios-spacing-sm);
  padding: var(--ios-spacing-sm) var(--ios-spacing-lg);
  background: var(--ios-material-thick-bg);
  backdrop-filter: blur(var(--ios-blur-thick));
  -webkit-backdrop-filter: blur(var(--ios-blur-thick));
  border-radius: 9999px;
  color: var(--ios-label-primary);
  font-family: var(--ios-font-family);
  font-size: var(--ios-footnote-size);
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  animation: ios-toast-in var(--ios-duration-normal) var(--ios-easing-spring);
}
.ios-toast--error { color: var(--ios-color-red); }
@keyframes ios-toast-in {
  from { opacity: 0; transform: translateY(-12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* 카카오 인앱 안내 (full-screen overlay) */
.ios-kakao-banner {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--ios-bg-grouped-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--ios-spacing-2xl);
  text-align: center;
}
.ios-kakao-banner__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--ios-radius-lg);
  background: var(--ios-color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: var(--ios-spacing-xl);
}
.ios-kakao-banner__title {
  color: var(--ios-label-primary);
  margin: 0 0 var(--ios-spacing-sm);
}
.ios-kakao-banner__message {
  color: var(--ios-label-secondary);
  margin: 0 0 var(--ios-spacing-2xl);
  line-height: 1.6;
}
.ios-kakao-banner .ios-btn { max-width: 280px; }
.ios-kakao-banner__skip {
  margin-top: var(--ios-spacing-md);
  background: none;
  border: none;
  color: var(--ios-label-tertiary);
  font-family: var(--ios-font-family);
  font-size: var(--ios-footnote-size);
  text-decoration: underline;
  cursor: pointer;
}

/* PWA 배너 (iOS glass small) */
.ios-pwa-banner-wrap {
  position: fixed;
  bottom: calc(var(--ios-safe-area-bottom) + 80px);
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding: 0 var(--ios-spacing-md);
  pointer-events: none;
}
@media (min-width: 768px) {
  .ios-pwa-banner-wrap { bottom: calc(var(--ios-safe-area-bottom) + 24px); }
}
.ios-pwa-banner {
  width: 100%;
  max-width: 360px;
  background: var(--ios-material-thick-bg);
  backdrop-filter: blur(var(--ios-blur-thick));
  -webkit-backdrop-filter: blur(var(--ios-blur-thick));
  border-radius: var(--ios-radius-lg);
  padding: var(--ios-spacing-md);
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-md);
  pointer-events: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}
.ios-pwa-banner__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--ios-radius-md);
  background: rgba(0, 180, 214, 0.12);
  color: var(--ios-color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ios-pwa-banner__icon svg { width: 20px; height: 20px; }
.ios-pwa-banner__body {
  flex: 1;
  min-width: 0;
}
.ios-pwa-banner__title {
  color: var(--ios-label-primary);
  margin: 0;
}
.ios-pwa-banner__sub {
  color: var(--ios-label-secondary);
  margin: 2px 0 0;
}
.ios-pwa-banner__close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--ios-label-tertiary);
  flex-shrink: 0;
  transition: color var(--ios-duration-fast) var(--ios-easing-default);
}
.ios-pwa-banner__close:hover { color: var(--ios-label-primary); }
.ios-pwa-banner__close svg { width: 16px; height: 16px; }