/* =================================================================
   Sidebar + topbar — feminine elegant
   - Sidebar: deep mauve → berry gradient with champagne brand mark
   - Topbar: ivory + glass with rose-gold accents
   ================================================================= */

.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
}

.sidebar {
  grid-area: sidebar;
  /* Orange → coral → pink-berry vertical gradient (per user mockup).
     Specular sweep on the right edge gives the glossy "lit from above-right"
     look of the reference; subtle warm sparkle texture at the bottom-left. */
  background:
    radial-gradient(600px 300px at 110% -5%, rgba(255, 220, 180, 0.30), transparent 60%),
    radial-gradient(500px 400px at -10% 105%, rgba(255, 160, 140, 0.18), transparent 60%),
    linear-gradient(180deg,
      #f76f15 0%,
      #ed5e1c 22%,
      #db5028 44%,
      #c84a3f 66%,
      #b54858 84%,
      #a8456d 100%);
  color: #fff;
  padding: var(--sp-5) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.08), 4px 0 24px rgba(140, 50, 10, 0.18);
}
.sidebar::after {
  content: "";
  position: absolute;
  inset: 0;
  /* glossy diagonal sheen */
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.10) 0%, transparent 35%, transparent 65%, rgba(255, 255, 255, 0.05) 100%);
  pointer-events: none;
  z-index: 0;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-5) var(--sp-6);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: var(--sp-4);
  position: relative;
  z-index: 1;
}
.sidebar__brand-mark {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 4px solid rgba(255,255,255,.95);
  box-shadow: 0 10px 24px rgba(85, 30, 5, 0.40), 0 0 0 5px rgba(255, 200, 160, 0.22), inset 0 1px 0 rgba(255,255,255,0.4);
}
.sidebar__brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sidebar__brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-20);
  line-height: 1.15;
  letter-spacing: var(--tracking-display);
  color: #fff;
  /* 3D embossed: light highlight on top edge, dark groove on bottom, soft drop */
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.45),
    0 -1px 0 rgba(120, 40, 10, 0.55),
    0 4px 10px rgba(85, 30, 5, 0.35);
}
.sidebar__brand-sub {
  font-size: var(--fs-12);
  color: rgba(255, 245, 230, 0.85);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  margin-top: 4px;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(85, 30, 5, 0.35);
}

.sidebar__nav {
  padding: 0 var(--sp-3);
  position: relative;
  z-index: 1;
}
.sidebar__group-label {
  padding: var(--sp-4) var(--sp-3) var(--sp-1);
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: rgba(255, 220, 200, 0.78);
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(85, 30, 5, 0.35);
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.78rem var(--sp-4);
  margin-bottom: 4px;
  color: rgba(255, 252, 245, 0.96);
  text-decoration: none;
  border-radius: var(--r-lg);
  font-weight: 600;
  font-size: var(--fs-15, 0.94rem);
  transition: all var(--motion-fast) var(--ease-standard);
  position: relative;
  /* 3D embossed white text */
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.30),
    0 -1px 0 rgba(120, 40, 10, 0.40);
}
.sidebar__link:hover {
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  text-decoration: none;
  transform: translateX(2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.20);
}
.sidebar__link.is-active {
  /* Glassy translucent pill (per mockup) */
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.10));
  color: #fff;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.40),
    inset 0 -1px 0 rgba(120, 40, 10, 0.18),
    0 4px 12px rgba(85, 30, 5, 0.18);
  backdrop-filter: blur(8px) saturate(1.1);
  -webkit-backdrop-filter: blur(8px) saturate(1.1);
}
.sidebar__link.is-active::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 10px; bottom: 10px;
  width: 4px;
  background: linear-gradient(180deg, #ffd9a3, #ff9f70);
  border-radius: 0 4px 4px 0;
  box-shadow: 0 0 8px rgba(255, 200, 130, 0.55);
}
.sidebar__link-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  opacity: 0.95;
  filter: drop-shadow(0 1px 1px rgba(85, 30, 5, 0.30));
}

/* "Phase 2 / Phase 4" right-side badges in muted cream/gold */
.sidebar__link .sidebar__link-badge,
.sidebar__link [data-badge],
.sidebar__link small {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255, 235, 210, 0.78);
  text-shadow: 0 1px 2px rgba(85, 30, 5, 0.30);
}

/* Topbar */
.topbar {
  grid-area: topbar;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
}
.topbar__heading {
  min-width: 0;
  flex: 1 1 auto;
}
.topbar__title {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 500;
  margin: 0;
  color: var(--mauve-900);
  letter-spacing: var(--tracking-display);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar__crumbs {
  font-size: var(--fs-12);
  color: var(--mauve-600);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}
.topbar__actions {
  margin-left: auto;
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  flex: 0 0 auto;
}
.topbar__seal-lockup {
  display: flex;
  align-items: center;
  padding: 0 var(--sp-4) 0 var(--sp-2);
  margin-right: var(--sp-1);
  border-right: 1px solid var(--border-subtle);
}
.topbar__seal-lockup img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  border: 1px solid rgba(106,67,88,.16);
  box-shadow: 0 4px 12px rgba(63,42,54,.16), 0 0 0 4px rgba(255,176,141,.12);
}
.topbar__seal-lockup img + img { margin-left: -13px; }

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--motion-fast);
}
.user-menu:hover { background: var(--rose-50); }
.user-menu__avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mauve-600), var(--mauve-800));
  color: var(--text-inverse);
  display: grid;
  place-items: center;
  font-weight: 500;
  font-size: var(--fs-14);
  font-family: var(--font-display);
  box-shadow: 0 2px 6px rgba(106, 67, 88, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.user-menu__name { font-weight: 600; font-size: var(--fs-14); line-height: 1.2; color: var(--text-primary); }
.user-menu__role { font-size: var(--fs-12); color: var(--mauve-600); }

/* Main canvas — page entry animation */
.main {
  grid-area: main;
  /* Asymmetric padding: extra on the LEFT so hero eyebrows / lede first
     characters never sit under the sidebar's right-edge box-shadow bleed
     (4px offset + 24px blur ≈ 28px of warm shadow extending into the main
     column). The right side keeps the standard sp-6 gutter. */
  padding: var(--sp-8) var(--sp-6) var(--sp-8) var(--sp-8);
  background: var(--surface-page);
  min-width: 0;
  animation: page-enter 480ms var(--ease-silk);
}
@keyframes page-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mobile: collapse sidebar */
@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    width: var(--sidebar-w);
    z-index: var(--z-modal);
    transition: left var(--motion-medium) var(--ease-emphasized);
  }
  .sidebar.is-open { left: 0; }
  [data-sidebar-toggle] { display: inline-flex !important; }
  .topbar__seal-lockup { display: none; }
}