/* assets/css/layout.css */
/* Scope: containers + layout helpers (no colors, no components) */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-4);
}
.container--narrow {
  max-width: 820px;
}
/* page shell */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
}

/* keep content clear of bottom nav on mobile */
.safe-bottom {
  padding-bottom: calc(var(--space-6) + 72px);
}
/* vertical rhythm */
.stack > * + * {
  margin-top: var(--space-4);
}
.stack--sm > * + * {
  margin-top: var(--space-3);
}

.stack--lg > * + * {
  margin-top: var(--space-5);
}
/* horizontal row helper */
.row {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.row--nowrap {
  flex-wrap: nowrap;
}

.row--wrap {
  flex-wrap: wrap;
}
/* two-side layout (label/value, title/actions, etc.) */
.spread {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* responsive safety for mobile */
@media (max-width: 640px) {
  .container {
    padding: var(--space-3);
    /* جلوگیری از رفتن محتوا زیر bottom nav */
    padding-bottom: calc(var(--space-6) + 50px + env(safe-area-inset-bottom));
  }

  .row {
    flex-wrap: wrap;
  }

  .spread {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .spread > * {
    width: 100%;
  }
}

/* App-shell pages handle bottom spacing via #app-content padding */
html.has-app-shell .container {
  padding-bottom: var(--space-4);
}
@media (max-width: 640px) {
  html.has-app-shell .container {
    padding-bottom: var(--space-3);
  }
}

/* -----------------------------
   App Shell + Soft Navigation
----------------------------- */
:root {
  --app-vh: 100vh;
  --app-nav-h: 0px;
  --app-nav-guard: 6px;
  --app-head-h: 56px;
}

html.keyboard-open {
  --app-nav-h: 0px;
  --app-nav-guard: 0px;
}

@media (max-width: 900px) {
  :root {
    --app-nav-h: 72px;
  }
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Ambient, non-flat backdrop for app-shell pages.
   The header/nav glass uses backdrop-filter, which only reveals what is painted
   BEHIND the bars. On short, non-scrolling pages the backdrop is a flat color, so
   the blur is imperceptible. This fixed layer (behind all content) gives the bars'
   backdrop-filter a subtle, tinted surface to reveal — warm glow near the top
   (header) and bottom (nav), with a cool counterpoint — without harming legibility. */
html.has-app-shell body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(135% 90% at 8% -10%, rgba(229,170,23,0.13) 0%, rgba(229,170,23,0) 46%),
    radial-gradient(120% 80% at 100% -6%, rgba(96,142,206,0.10) 0%, rgba(96,142,206,0) 42%),
    radial-gradient(150% 80% at 50% 112%, rgba(229,170,23,0.11) 0%, rgba(229,170,23,0) 50%);
}

/* Smooth zoom snap-back hint (app pages only) */
html.has-app-shell body {
  transition: opacity 0.2s ease;
}
html.zoom-resetting body {
  opacity: 0.98;
}

#app-content {
  flex: 1 1 auto;
  min-height: 0;
}

.app-shell.is-loading #app-content {
  opacity: 0.6;
  filter: saturate(0.96);
  transition: opacity 0.18s ease, filter 0.18s ease;
  pointer-events: none;
}

/* Instant (prefetched) navigations: keep content fully visible, no dim flash. */
.app-shell.is-loading.is-soft-instant #app-content {
  opacity: 1;
  filter: none;
}

.app-shell.is-soft-swapping #app-soft-body {
  visibility: hidden;
  pointer-events: none;
}

.app-shell.is-soft-transitioning #app-soft-body {
  will-change: opacity, transform;
}

.app-shell.is-skeleton-active #app-content {
  opacity: 0.22;
  filter: saturate(0.88);
  transition: opacity 0.14s ease, filter 0.14s ease;
  pointer-events: none;
}

.app-soft-skeleton {
  position: absolute;
  inset: calc(env(safe-area-inset-top, 0px) + var(--space-3) + var(--app-head-h, 0px) + 8px) 12px calc(var(--app-nav-h, 0px) + var(--app-nav-guard, 0px) + 12px) 12px;
  z-index: 4;
  pointer-events: none;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.12s ease, transform 0.12s ease;
  display: grid;
  gap: 10px;
  align-content: start;
  grid-auto-rows: max-content;
}

.app-soft-skeleton.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.app-soft-skeleton__card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-xl, 18px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(248, 245, 238, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.app-soft-skeleton__row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.app-soft-skeleton__row--spread {
  justify-content: space-between;
}

.app-soft-skeleton__row--item {
  align-items: flex-start;
}

.app-soft-skeleton__stack {
  display: grid;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
}

.app-soft-skeleton__stack--chips {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-soft-skeleton__grid {
  display: grid;
  gap: 8px;
}

.app-soft-skeleton__grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-soft-skeleton__grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.app-soft-skeleton__grid--add-action {
  grid-template-columns: minmax(0, 1fr) 120px;
  align-items: end;
}

.app-soft-skeleton__grid--kpi {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.app-soft-skeleton__grid--recipe-line {
  grid-template-columns: minmax(0, 1.45fr) minmax(74px, 0.7fr) minmax(94px, 0.8fr);
  align-items: center;
}

.app-soft-skeleton__shape {
  --sk-w: 100%;
  --sk-h: 12px;
  width: var(--sk-w);
  height: var(--sk-h);
  min-height: var(--sk-h);
  display: block;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(240, 237, 228, 0.94), rgba(255, 255, 255, 0.95), rgba(240, 237, 228, 0.94));
  background-size: 220% 100%;
  animation: appSkeletonShimmer 1.1s linear infinite;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.app-soft-skeleton__shape--line {
  --sk-h: 12px;
}

.app-soft-skeleton__shape--title {
  --sk-h: 16px;
}

.app-soft-skeleton__shape--chip {
  --sk-h: 26px;
  border-radius: 999px;
}

.app-soft-skeleton__shape--avatar {
  --sk-w: 52px;
  --sk-h: 52px;
  border-radius: 999px;
  flex: 0 0 auto;
}

.app-soft-skeleton__shape--field {
  --sk-h: var(--control-h, 48px);
  border-radius: var(--control-radius, 14px);
}

.app-soft-skeleton__shape--button {
  --sk-h: var(--control-h-sm, 44px);
  border-radius: var(--control-radius, 14px);
}

.app-soft-skeleton__shape--item {
  --sk-h: 58px;
  border-radius: 14px;
}

.app-soft-skeleton__shape--stat {
  --sk-h: 60px;
  border-radius: 12px;
}

/* Compatibility with previous generic skeleton markup */
.app-soft-skeleton__block {
  border-radius: 14px;
  min-height: 16px;
  background: linear-gradient(90deg, rgba(240, 237, 228, 0.94), rgba(255, 255, 255, 0.95), rgba(240, 237, 228, 0.94));
  background-size: 220% 100%;
  animation: appSkeletonShimmer 1.1s linear infinite;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.app-soft-skeleton__block--hero { min-height: 86px; }
.app-soft-skeleton__block--item { min-height: 56px; }
.app-soft-skeleton__block--line { min-height: 14px; width: 72%; }
.app-soft-skeleton__block--line-sm { min-height: 12px; width: 46%; }

.app-soft-skeleton--ios-lite {
  gap: 8px;
}

.app-soft-skeleton--ios-lite .app-soft-skeleton__card {
  padding: 10px;
  gap: 8px;
  background: rgba(246, 243, 236, 0.96);
}

.app-soft-skeleton--ios-lite .app-soft-skeleton__shape,
.app-soft-skeleton--ios-lite .app-soft-skeleton__block {
  animation: none;
  background: rgba(243, 239, 229, 0.96);
  background-size: 100% 100%;
}

.app-soft-skeleton--ios-lite .app-soft-skeleton__shape--field {
  --sk-h: var(--control-h-sm, 44px);
}

.app-soft-skeleton--ios-lite .app-soft-skeleton__shape--button {
  --sk-h: 40px;
}

.app-soft-skeleton--ios-lite .app-soft-skeleton__shape--item {
  --sk-h: 50px;
}

.app-soft-skeleton--ios-lite .app-soft-skeleton__shape--stat {
  --sk-h: 52px;
}

@media (max-width: 640px) {
  .app-soft-skeleton__grid--three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-soft-skeleton__grid--add-action {
    grid-template-columns: minmax(0, 1fr);
  }

  .app-soft-skeleton__grid--kpi {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-soft-skeleton__grid--recipe-line {
    grid-template-columns: minmax(0, 1.1fr) minmax(64px, 0.85fr) minmax(72px, 0.95fr);
  }
}

@keyframes appSkeletonShimmer {
  from { background-position: 100% 0; }
  to { background-position: -120% 0; }
}

#app-soft-body.is-soft-enter {
  animation: appContentFade 0.18s ease-out;
}

#app-soft-body.is-soft-leave {
  animation: appContentFadeOut 0.14s ease-in forwards;
}

#app-soft-body {
  view-transition-name: app-soft-body;
}

/* ناوبارها را از root transition جدا کن — هرگز در cross-fade نگیرند */
.app-head-mat {
  view-transition-name: app-nav-header;
}

.calc-bottom-nav {
  view-transition-name: app-nav-bottom;
}

.calc-bottom-nav-veil {
  view-transition-name: app-nav-bottom-veil;
}

/* این ناوبارها در هیچ سوییچ صفحه‌ای نباید متحرک شوند */
::view-transition-old(app-nav-header),
::view-transition-new(app-nav-header),
::view-transition-old(app-nav-bottom),
::view-transition-new(app-nav-bottom),
::view-transition-old(app-nav-bottom-veil),
::view-transition-new(app-nav-bottom-veil) {
  animation: none;
}

::view-transition-old(app-soft-body),
::view-transition-new(app-soft-body) {
  animation-duration: 0.18s;
  animation-timing-function: ease;
}

::view-transition-old(app-soft-body) {
  animation-name: appSoftBodyFadeOut;
}

::view-transition-new(app-soft-body) {
  animation-name: appSoftBodyFadeIn;
}

/* Root transition را بی‌متحرک کن — فقط app-soft-body باید fade بخورد.
   بدون این، مرورگر هدر و منوی پایین را در cross-fade root می‌گیرد؛
   backdrop-filter آن‌ها در snapshot درست ضبط نمی‌شود → فلاش. */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
}

@keyframes appContentFade {
  from { opacity: 0.6; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes appContentFadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0.78; transform: translateY(1px); }
}

@keyframes appSoftBodyFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes appSoftBodyFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

html.has-app-shell,
html.has-app-shell body {
  height: var(--app-vh, 100vh);
  overflow: hidden;
}

html.has-app-shell .app-shell {
  height: 100%;
}

html.has-app-shell #app-content {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  padding-top: calc(env(safe-area-inset-top, 0px) + var(--space-3) + var(--app-head-h, 0px) + var(--space-3));
  padding-bottom: calc(var(--app-nav-h, 0px) + var(--app-nav-guard, 0px) + var(--app-kb-h, 0px));
  scroll-padding-top: calc(env(safe-area-inset-top, 0px) + var(--space-3) + var(--app-head-h, 0px) + var(--space-3));
  scroll-padding-bottom: calc(var(--app-nav-h, 0px) + var(--app-nav-guard, 0px) + var(--app-kb-h, 0px));
  overscroll-behavior: contain;
}

/* Modal open: lock background scroll */
html.karmet-modal-scroll-lock,
html.karmet-modal-scroll-lock body {
  overflow: hidden !important;
}

html.has-app-shell.karmet-modal-scroll-lock #app-content {
  overflow: hidden !important;
  overscroll-behavior: none;
  touch-action: none;
}

html.has-app-shell.force-body-scroll.karmet-modal-scroll-lock,
html.has-app-shell.force-body-scroll.karmet-modal-scroll-lock body {
  overflow: hidden !important;
  height: var(--app-vh, 100vh);
}

html.has-app-shell.force-body-scroll.karmet-modal-scroll-lock #app-content {
  overflow: hidden !important;
  height: 100%;
}

/* Keyboard open (iOS): avoid gray overlay by letting body scroll */
html.has-app-shell.keyboard-open,
html.has-app-shell.keyboard-open body {
  height: var(--app-vh, 100vh);
  overflow: hidden;
}

/* Header stays locked to visual-viewport top during keyboard (mirrors bottom-nav display:none policy) */
html.has-app-shell.keyboard-open .app-head-mat {
  top: var(--app-head-offset-top, 0px);
}

html.has-app-shell.keyboard-open #app-content {
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  overscroll-behavior: contain;
  padding-bottom: calc(var(--app-kb-h, 0px) + env(safe-area-inset-bottom));
  scroll-padding-bottom: calc(var(--app-kb-h, 0px) + env(safe-area-inset-bottom));
}

/* Modal lock must win even when keyboard-open is active */
html.has-app-shell.keyboard-open.karmet-modal-scroll-lock,
html.has-app-shell.keyboard-open.karmet-modal-scroll-lock body {
  overflow: hidden !important;
}

html.has-app-shell.keyboard-open.karmet-modal-scroll-lock #app-content {
  overflow: hidden !important;
  overscroll-behavior: none;
  touch-action: none;
}

/* Animate only dynamic body; keep scroll container stable (iOS guard) */
html.has-app-shell #app-soft-body.is-soft-enter {
  animation: appContentFadeNoMove 0.18s ease-out;
}

html.has-app-shell #app-soft-body.is-soft-leave {
  animation: appContentFadeOutNoMove 0.14s ease-in forwards;
}

@keyframes appContentFadeNoMove {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

@keyframes appContentFadeOutNoMove {
  from { opacity: 1; }
  to { opacity: 0.78; }
}

@media (prefers-reduced-motion: reduce) {
  .app-soft-skeleton,
  .app-shell.is-loading #app-content,
  html.has-app-shell #app-soft-body.is-soft-leave,
  html.has-app-shell #app-soft-body.is-soft-enter,
  .app-shell.is-soft-transitioning #app-soft-body,
  ::view-transition-old(app-soft-body),
  ::view-transition-new(app-soft-body) {
    transition: none !important;
    animation: none !important;
  }
  .app-soft-skeleton__block {
    animation: none !important;
    background: rgba(243, 239, 229, 0.96);
  }
}

/* Fallback: if content scroll is locked, allow body scrolling */
html.has-app-shell.force-body-scroll,
html.has-app-shell.force-body-scroll body {
  overflow: auto;
  height: auto;
}

html.has-app-shell.force-body-scroll .app-shell {
  height: auto;
  min-height: var(--app-vh, 100vh);
}

html.has-app-shell.force-body-scroll #app-content {
  overflow: visible;
  height: auto;
  overscroll-behavior: auto;
}