/*
  Dreams Core — curated staff app-shell chrome (036).
  No Tailwind preflight. Works with InnPms 021 BEM.
*/

.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--surface-canvas);
  color: var(--text-primary);
}

.app-sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  width: var(--dc-sidebar-width);
  flex-shrink: 0;
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, width 0.25s ease;
}

.app-sidebar__brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--dc-header-height);
  padding: 0 1rem;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.app-sidebar__brand-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--sidebar-text-active);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  min-width: 0;
}

.app-sidebar__brand-link:hover {
  text-decoration: none;
  color: var(--sidebar-text-active);
  opacity: 0.92;
}

.app-sidebar__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--dc-radius);
  background: var(--dc-primary-600);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}

.app-sidebar__nav {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0.75rem 1.25rem;
  -webkit-overflow-scrolling: touch;
}

.app-sidebar__group-title,
.sidebar-group-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(255 255 255 / 0.32);
  padding: 1rem 0.9rem 0.35rem;
  margin: 0;
}

.app-sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.75rem;
  min-height: 44px;
  border-radius: var(--dc-radius);
  color: var(--sidebar-text);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.app-sidebar__link:hover {
  background: rgb(255 255 255 / 0.05);
  color: var(--sidebar-text-active);
  text-decoration: none;
}

.app-sidebar__link.is-active {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--dc-primary-500) 28%, transparent),
    transparent
  );
  color: var(--sidebar-text-active);
  font-weight: 600;
}

.app-sidebar__footer {
  padding: 0.75rem;
  border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.app-sidebar__meta {
  color: rgb(255 255 255 / 0.45);
  font-size: 0.75rem;
  margin: 0 0 0.35rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-main {
  margin-inline-start: var(--dc-sidebar-width);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--surface-base) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
}

.app-header__accent {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--dc-primary-500) 20%,
    var(--dc-accent-500) 50%,
    var(--dc-primary-500) 80%,
    transparent
  );
  opacity: 0.55;
}

.app-header__inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  min-height: var(--dc-header-height);
}

.app-header__brand-mobile {
  display: none;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
}

.app-header__brand-mobile:hover {
  text-decoration: none;
  color: var(--text-primary);
}

.app-header__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-header__utils {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
  margin-left: auto;
}

.app-header__utils a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.4rem 0.55rem;
  border-radius: var(--dc-radius);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.app-header__utils a:hover {
  background: var(--surface-sunken);
  color: var(--text-primary);
  text-decoration: none;
}

.app-header__utils .meta {
  color: var(--text-tertiary);
  font-size: 0.8rem;
  margin: 0;
}

.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--dc-radius);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.header-icon-btn:hover,
.header-icon-btn:focus-visible {
  background: var(--surface-sunken);
  color: var(--text-primary);
  outline: 2px solid var(--dc-primary-500);
  outline-offset: 2px;
}

.header-icon-btn__bars {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

.app-header .theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--dc-radius);
  padding: 0.4rem 0.7rem;
  min-height: 44px;
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.2;
}

.app-header .theme-toggle:hover,
.app-header .theme-toggle:focus-visible {
  background: var(--surface-sunken);
  color: var(--text-primary);
  outline: 2px solid var(--dc-primary-500);
  outline-offset: 2px;
}

.app-content {
  flex: 1 0 auto;
  width: 100%;
}

.app-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  margin-top: auto;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  text-align: center;
  background: var(--surface-canvas);
}

/* Backdrop for mobile drawer */
.app-shell-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgb(10 12 11 / 0.55);
  backdrop-filter: blur(2px);
  border: 0;
  padding: 0;
  cursor: pointer;
}

.app-shell.is-drawer-open .app-shell-backdrop {
  display: block;
}

/* Desktop collapse (optional) */
.app-shell.is-collapsed .app-sidebar {
  width: 84px;
}

.app-shell.is-collapsed .app-sidebar__brand-text,
.app-shell.is-collapsed .app-sidebar__group-title,
.app-shell.is-collapsed .app-sidebar__link-label,
.app-shell.is-collapsed .app-sidebar__meta {
  display: none;
}

.app-shell.is-collapsed .app-sidebar__link {
  justify-content: center;
  padding-inline: 0.5rem;
}

.app-shell.is-collapsed .app-main {
  margin-inline-start: 84px;
}

.sidebar-collapse-btn {
  display: inline-flex;
}

/* Mobile: off-canvas drawer */
@media (max-width: 1023px) {
  .app-sidebar {
    transform: translateX(-100%);
    width: min(var(--dc-sidebar-width), 88vw);
    box-shadow: var(--dc-shadow-md);
  }

  .app-shell.is-drawer-open .app-sidebar {
    transform: translateX(0);
  }

  .app-main,
  .app-shell.is-collapsed .app-main {
    margin-inline-start: 0;
  }

  .app-header__brand-mobile {
    display: inline-flex;
    align-items: center;
  }

  .sidebar-collapse-btn {
    display: none !important;
  }

  .app-header__inner {
    padding: 0 0.75rem;
    gap: 0.5rem;
  }

  .app-header__utils {
    gap: 0.25rem 0.4rem;
  }

  .app-header__utils .meta {
    display: none;
  }
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none !important;
  }

  .app-shell-backdrop {
    display: none !important;
  }
}

/* 037 — collapsed sidebar: keep icons, hide labels */
.app-shell.is-collapsed .app-sidebar__link .dc-icon {
  display: inline-block;
  margin: 0;
}

.app-shell.is-collapsed .app-sidebar__footer .app-sidebar__link {
  display: flex;
  justify-content: center;
}

.app-shell.is-collapsed .app-sidebar__footer .app-sidebar__link-label {
  display: none;
}

/* 039 — Dreams bed-allocation menu (curated from sidebar-link / submenu; no preflight).
   Top-level .app-sidebar__link.is-active keeps the primary gradient.
   Children inside .sidebar-submenu use the accent fill instead. */
.sidebar-menu,
.sidebar-submenu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-menu > li {
  margin: 0;
}

.sidebar-label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

button.sidebar-link {
  width: 100%;
  border: 0;
  background: transparent;
  font-family: inherit;
  color: var(--sidebar-text);
  text-align: start;
  cursor: pointer;
}

.sidebar-menu > li > .sidebar-link:hover {
  padding-inline-start: 0.9rem;
}

.sidebar-submenu {
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  max-height: 0;
  transition:
    max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    padding-block 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 0.3rem 0 0.4rem 1.55rem;
  padding: 0 0 0 1rem;
  border-inline-start: 1.5px dashed rgb(255 255 255 / 0.14);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar-submenu li {
  position: relative;
  margin: 0;
}

.sidebar-submenu li::before {
  content: "";
  position: absolute;
  /* Theme source uses -1.28rem, which overflow:hidden clips off the rail.
     -1rem keeps the 6px node inside the padding, flush on the dashed line. */
  inset-inline-start: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.22);
  transition:
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.sidebar-submenu li:hover::before {
  background: rgb(255 255 255 / 0.55);
  transform: translateY(-50%) scale(1.1);
}

.sidebar-submenu li:has(> a.is-active)::before,
.sidebar-submenu li:has(> button.is-active)::before {
  background: var(--dc-accent-400, #f8a22c);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--dc-accent-400, #f8a22c) 28%, transparent);
  transform: translateY(-50%) scale(1.2);
  animation: sidebar-dot-blink 1.6s ease-in-out infinite;
}

@keyframes sidebar-dot-blink {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--dc-accent-400, #f8a22c) 28%, transparent);
  }
  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--dc-accent-400, #f8a22c) 14%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar-submenu li:has(> a.is-active)::before,
  .sidebar-submenu li:has(> button.is-active)::before {
    animation: none;
  }
}

/* Calls-style rows: ~12.5px, lighter than the 44px top-level hit target. */
.sidebar-submenu .sidebar-link {
  border-radius: 7px;
  padding: 0.42rem 0.7rem;
  min-height: 0;
  font-size: 12.5px;
  font-weight: 500;
}

.sidebar-submenu .sidebar-link:hover {
  padding-inline-start: 0.85rem;
  background: rgb(255 255 255 / 0.045);
}

.sidebar-submenu .sidebar-link.is-active,
.sidebar-submenu .app-sidebar__link.is-active {
  background: color-mix(in srgb, var(--dc-accent-400, #f8a22c) 16%, transparent);
  color: var(--sidebar-text-active);
  font-weight: 600;
  box-shadow: none;
}

.sidebar-submenu .sidebar-submenu {
  margin-inline-start: 1.1rem;
  border-inline-start-color: rgb(255 255 255 / 0.1);
}

li.is-open > .sidebar-submenu {
  max-height: 800px;
  padding-block: 0.15rem;
  margin-bottom: 0;
}

.sidebar-chevron {
  margin-inline-start: auto;
  display: inline-flex;
  flex: 0 0 auto;
  transition: transform 0.25s ease;
}

.sidebar-chevron .dc-icon {
  width: 11px;
  height: 11px;
  opacity: 0.75;
}

li.is-open > .sidebar-link .sidebar-chevron,
li.is-open > button.sidebar-link .sidebar-chevron {
  transform: rotate(90deg);
}

@media (min-width: 1024px) {
  .app-shell.is-collapsed .sidebar-submenu,
  .app-shell.is-collapsed .sidebar-chevron,
  .app-shell.is-collapsed .sidebar-group-title {
    display: none;
  }

  .app-shell.is-collapsed .sidebar-menu > li > .sidebar-link:hover {
    padding-inline-start: 0.5rem;
  }
}