/* ============================================================
   LAYOUT.CSS — App Shell, Sidebar, Topbar, Page Grid
   ============================================================ */

/* ── App Shell ─────────────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ───────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  background: var(--zeploy-navy);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  position: relative;
  z-index: 100;
  transition: width var(--transition-normal), transform var(--transition-normal);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
  min-height: var(--topbar-height);
}

.sidebar-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgb(15 118 110 / 0.4);
}

.sidebar-logo-mark svg {
  width: 20px;
  height: 20px;
  color: white;
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.sidebar-logo-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: white;
  letter-spacing: -0.01em;
}

.sidebar-logo-sub {
  font-size: 0.6875rem;
  color: rgb(255 255 255 / 0.45);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ── Navigation ────────────────────────────────────────────── */
.sidebar-nav {
  flex: 1;
  padding: var(--space-3) var(--space-3);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-section-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(255 255 255 / 0.3);
  padding: var(--space-3) var(--space-2) var(--space-1);
  margin-top: var(--space-2);
}

.nav-section-label:first-child {
  margin-top: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px var(--space-3);
  border-radius: var(--radius-md);
  color: rgb(255 255 255 / 0.6);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
  user-select: none;
  text-decoration: none;
}

.nav-item:hover {
  background: rgb(255 255 255 / 0.07);
  color: rgb(255 255 255 / 0.9);
}

.nav-item.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgb(15 118 110 / 0.35);
}

.nav-item.active:hover {
  background: var(--primary-dark);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

/* ── Sidebar Footer ────────────────────────────────────────── */
.sidebar-footer {
  padding: var(--space-3);
  border-top: 1px solid rgb(255 255 255 / 0.08);
}

.sidebar-footer .nav-item {
  margin: 0;
}

/* ── Main Content Area ─────────────────────────────────────── */
#main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow: hidden;
}

/* ── Topbar ────────────────────────────────────────────────── */
#topbar {
  height: var(--topbar-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  flex-shrink: 0;
  position: relative;
  z-index: 50;
}

.topbar-search-wrap {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.topbar-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 16px;
  height: 16px;
}

#global-search {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border-radius: var(--radius-md);
  background: var(--canvas);
  border: 1px solid var(--border-soft);
  font-size: 0.875rem;
  color: var(--text-primary);
}

#global-search::placeholder {
  color: var(--text-muted);
}

#global-search:focus {
  background: var(--surface);
  border-color: var(--primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.topbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.topbar-btn:hover {
  background: var(--canvas);
  color: var(--text-primary);
}

.topbar-btn svg {
  width: 18px;
  height: 18px;
}

.topbar-store-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0 var(--space-3);
  border-left: 1px solid var(--border-soft);
}

/* ── Page Content ──────────────────────────────────────────── */
#page-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
}

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-header-left p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ── KPI Grid ──────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* ── Section Cards ─────────────────────────────────────────── */
.section-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.section-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.section-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Grid Layouts ──────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

/* ── Search Results Dropdown ───────────────────────────────── */
#search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-height: 360px;
  overflow-y: auto;
  display: none;
}

#search-results.visible {
  display: block;
  animation: slideInUp var(--transition-fast) ease both;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--border-soft);
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--canvas); }

.search-result-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--canvas);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-result-thumb img { width: 100%; height: 100%; object-fit: cover; }

.search-result-info { flex: 1; min-width: 0; }
.search-result-name { font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
.search-result-meta { font-size: 0.75rem; color: var(--text-muted); }
.search-result-stock { font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); flex-shrink: 0; }

/* ── Mobile Overlay ────────────────────────────────────────── */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.4);
  z-index: 90;
}

/* ── Mobile Sidebar Toggle ─────────────────────────────────── */
#menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  flex-shrink: 0;
}

#menu-toggle svg { width: 20px; height: 20px; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  #sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    transform: translateX(-100%);
    z-index: 200;
    box-shadow: var(--shadow-xl);
  }

  #sidebar.open {
    transform: translateX(0);
  }

  #sidebar-overlay.visible {
    display: block;
  }

  #menu-toggle {
    display: flex;
  }

  #page-content {
    padding: var(--space-4);
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: var(--space-4);
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ── Sales Presentation Mode ───────────────────────────────── */
body.presentation-mode #sidebar-settings-btn,
body.presentation-mode #topbar-settings-btn,
body.presentation-mode #nav-logs,
body.presentation-mode #set-reset-db-btn,
body.presentation-mode #set-pin-btn {
  display: none !important;
}

body.presentation-mode .kpi-card {
  border: 1px solid var(--primary);
  box-shadow: 0 4px 15px -3px rgba(59, 130, 246, 0.2);
}