/* ============================================================
   BizEmpire — Layout (Royal Exchange Day Edition)
   Crisp white header + sidebar + main dashboard + status bar
   ============================================================ */

/* ---- Base & Typography Reset ---- */
html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Game Shell (Authenticated Application) ---- */
.shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-areas:
    "header  header"
    "sidebar main"
    "status  status";
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

/* ---- Top Header ---- */
.shell__header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: env(safe-area-inset-top, 0px) var(--space-6) 0 var(--space-6);
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  z-index: var(--z-panel);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: #0F172A;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header__logo span {
  color: #0284C7;
}

.header__clock {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.35rem 0.85rem;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.header__clock .year {
  font-size: var(--text-xs);
  color: #0F172A;
  font-weight: 700;
}

.header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: var(--text-sm);
}

.header__cash {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: -0.02em;
}

.header__cash .label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-heading);
}

.header__user {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-sm);
}

/* ---- Sidebar Navigation ---- */
.shell__sidebar {
  grid-area: sidebar;
  background: #FFFFFF;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav__section-label {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-3) var(--space-1);
}

.nav__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.55rem 0.75rem;
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.nav__item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav__item.active {
  background: #F1F5F9;
  color: #0F172A;
  font-weight: 700;
  border-color: #E2E8F0;
}

.nav__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- Main Viewport Content ---- */
.shell__main {
  grid-area: main;
  overflow-y: auto;
  padding: var(--space-6);
  background: var(--bg-base);
}

/* ---- Bottom Status Bar ---- */
.shell__status {
  grid-area: status;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--statusbar-height);
  padding: 0 var(--space-6) env(safe-area-inset-bottom, 0px) var(--space-6);
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
}

.status__tick {
  color: var(--text-muted);
}

.status__tick strong {
  color: #0F172A;
  font-weight: 700;
}

.status__indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(5, 150, 105, 0.4);
  animation: pulse-dot 2s ease-in-out infinite;
}

.status__dot.disconnected {
  background: var(--accent-rose);
  box-shadow: none;
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.25); opacity: 0.75; }
}

/* ---- Page Header Standards ---- */
.page-header {
  margin-bottom: var(--space-6);
}

.page-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-1);
}

.page-subtitle {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

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

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "main" "status";
  }
  .shell__sidebar { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---- Public Website Layouts ---- */
.public-page {
  min-height: 100vh;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
}

.public-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}