/* ==========================================================================
   ERP Syalis - Design System & Base Layout (SilverLogix Inspired)
   ========================================================================== */

:root {
  /* Core Color Tokens */
  --bg-app: #F8FAFC;
  --bg-sidebar: #0F172A;
  --bg-sidebar-hover: #1E293B;
  --bg-sidebar-active: #2563EB;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #F1F5F9;

  /* Primary & Accent Palettes */
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --primary-500: #3B82F6;
  --primary-600: #2563EB;
  --primary-700: #1D4ED8;
  
  /* Status Colors */
  --success-bg: #ECFDF5;
  --success-text: #059669;
  --success-border: #A7F3D0;
  
  --warning-bg: #FFFBEB;
  --warning-text: #D97706;
  --warning-border: #FDE68A;
  
  --info-bg: #F0F9FF;
  --info-text: #0284C7;
  --info-border: #BAE6FD;
  
  --purple-bg: #F5F3FF;
  --purple-text: #7C3AED;
  --purple-border: #DDD6FE;

  --danger-bg: #FEF2F2;
  --danger-text: #DC2626;
  --danger-border: #FECACA;

  /* Text & Border Colors */
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;
  --border-color: #E2E8F0;
  --border-light: #F1F5F9;

  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 12px 20px -3px rgba(37, 99, 235, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.04);

  /* Layout Measurements */
  --sidebar-width: 260px;
  --topbar-height: 72px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ==========================================================================
   App Shell Layout
   ========================================================================== */
.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
  background-color: var(--bg-app);
}

/* ==========================================================================
   Sidebar Navigation (SilverLogix Deep Navy Style)
   ========================================================================== */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: #94A3B8;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: transform var(--transition-normal);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  user-select: none;
}

.sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  color: #FFF;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.sidebar-logo svg {
  width: 22px;
  height: 22px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-subtitle {
  font-size: 0.7rem;
  color: #64748B;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  padding: 14px 12px 6px 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: #94A3B8;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: #FFFFFF;
}

.nav-item.active {
  background-color: var(--bg-sidebar-active);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.nav-item svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.nav-badge.highlight {
  background-color: #EF4444;
  color: #FFF;
}

/* Sidebar Footer / Support Promo Card */
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-status-box {
  background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-dot-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.8; }
}

.status-text-wrap {
  display: flex;
  flex-direction: column;
}

.status-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: #F8FAFC;
}

.status-sub {
  font-size: 0.68rem;
  color: #64748B;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

/* ==========================================================================
   Top Header Bar
   ========================================================================== */
.topbar {
  height: var(--topbar-height);
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  max-width: 540px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.mobile-menu-btn:hover {
  background-color: var(--bg-card-subtle);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-card-subtle);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 8px 14px;
  width: 100%;
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  background-color: #FFFFFF;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-box svg {
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.search-input {
  border: none;
  background: none;
  outline: none;
  width: 100%;
  font-size: 0.88rem;
  color: var(--text-main);
}

.search-shortcut {
  font-size: 0.7rem;
  font-weight: 600;
  background: #E2E8F0;
  color: #64748B;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #CBD5E1;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.date-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background-color: var(--bg-card-subtle);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.date-pill svg {
  width: 16px;
  height: 16px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--bg-card-subtle);
  color: var(--text-main);
}

.notification-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background-color: #EF4444;
  border-radius: 50%;
  border: 2px solid #FFF;
}

.btn-install-pwa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  color: #FFFFFF;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.btn-install-pwa:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

.user-profile-widget {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 12px;
  border-left: 1px solid var(--border-color);
  cursor: pointer;
  position: relative;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3B82F6, #8B5CF6);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.88rem;
  border: 2px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.2;
}

.user-role-badge {
  font-size: 0.7rem;
  color: #2563EB;
  font-weight: 600;
}

/* ==========================================================================
   Page Content Canvas
   ========================================================================== */
.content-canvas {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

/* Dashboard Header Row */
.dashboard-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.page-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.period-select-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.period-select-btn:hover {
  background-color: var(--bg-card-subtle);
  border-color: #CBD5E1;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 0px;
  }
  .sidebar {
    transform: translateX(-100%);
    width: 260px;
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 45;
  }
  .sidebar-backdrop.active {
    display: block;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-menu-btn {
    display: block;
  }
  .topbar {
    padding: 0 16px;
  }
  .content-canvas {
    padding: 20px 16px;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .date-pill, .search-shortcut {
    display: none;
  }
  .topbar-left {
    max-width: 100%;
  }
  .user-info {
    display: none;
  }
}