/* =============================================
   MANNA INSTITUTE — Layout & Navigation
   ============================================= */

/* ── App root ── */
#app { min-height: 100dvh; }

#toast-container {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  pointer-events: none;
}

/* ── Page wrapper ── */
.page-wrapper {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-ink);
}

/* ── Top header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--color-border);
  background: rgba(247, 244, 234, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-content);
  margin-inline: auto;
  padding: var(--space-4) var(--space-4);
  gap: var(--space-4);
}

/* ── Logo ── */
.logo-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-align: left;
  transition: opacity var(--transition-fast);
}
.logo-btn:hover { opacity: 0.8; }

.logo-icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 14px;
  background: var(--color-pine);
  color: white;
  box-shadow: var(--shadow-pine);
  flex-shrink: 0;
}

.logo-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-ink);
}

.logo-sub {
  display: block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-leaf);
  margin-top: 2px;
}

/* ── Header actions ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.coin-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid #fde68a;
  border-radius: var(--radius-full);
  background: #fffbeb;
  font-size: 0.875rem;
  font-weight: 800;
  color: #92400e;
  transition: background var(--transition-fast);
}
.coin-btn:hover { background: #fef3c7; }

/* ── Main content ── */
.main-content {
  max-width: var(--max-content);
  margin-inline: auto;
  padding: var(--space-6) var(--space-4) 120px;
}

/* ── Mobile bottom navigation ── */
.bottom-nav {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 40;
  border-top: 1px solid rgba(47, 106, 79, 0.1);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-2) var(--space-1) max(8px, env(safe-area-inset-bottom));
}

.bottom-nav-inner {
  display: flex;
  justify-content: space-around;
  max-width: 520px;
  margin-inline: auto;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 56px;
  padding: var(--space-3) var(--space-2);
  border-radius: 12px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #94a3b8;
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.nav-item.active {
  background: rgba(47, 106, 79, 0.1);
  color: var(--color-pine);
}

.nav-item svg { width: 19px; height: 19px; }

/* ── Desktop sidebar ── */
.desktop-sidebar {
  display: none;
  position: fixed;
  left: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2);
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--color-white);
  border-radius: 28px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.sidebar-item {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 14px;
  color: #94a3b8;
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.sidebar-item:hover {
  background: rgba(47, 106, 79, 0.05);
  color: var(--color-pine);
}

.sidebar-item.active {
  background: var(--color-pine);
  color: white;
}

.sidebar-item svg { width: 20px; height: 20px; }

/* ── Grid layouts ── */
.grid-2,
.grid-3,
.grid-4 { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }

.grid-home-split { display: grid; gap: var(--space-5); }
.grid-quests     { display: grid; gap: var(--space-4); }

/* ── Stack ── */
.stack { display: flex; flex-direction: column; }
.stack-4  { gap: var(--space-4); }
.stack-5  { gap: var(--space-5); }
.stack-6  { gap: var(--space-6); }

/* ── Public site layout ── */
.public-layout { min-height: 100dvh; }

.public-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--color-border);
  background: rgba(247, 244, 234, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.public-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-content);
  margin-inline: auto;
  padding: var(--space-4);
  gap: var(--space-4);
}

.public-nav-links {
  display: none;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.public-nav-links a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-stone);
  transition: color var(--transition-fast);
}
.public-nav-links a:hover { color: var(--color-pine); }

.public-content {
  max-width: var(--max-content);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* ── Section spacing ── */
.section { padding-block: var(--space-16); }
.section-sm { padding-block: var(--space-10); }