/* ========================================
   PANDA ERP - Design System
   Premium dark theme with glassmorphism
   ======================================== */

/* === CSS Variables === */
:root {
  /* Colors */
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d28;
  --bg-card: #1e2130;
  --bg-card-hover: #252838;
  --bg-input: #151722;
  --bg-sidebar: #141620;

  --text-primary: #e8eaed;
  --text-secondary: #9aa0b0;
  --text-muted: #5f6578;
  --text-white: #ffffff;

  --accent-primary: #6c5ce7;
  --accent-primary-hover: #7f71ef;
  --accent-primary-glow: rgba(108, 92, 231, 0.3);

  --accent-green: #00d68f;
  --accent-green-bg: rgba(0, 214, 143, 0.12);
  --accent-green-glow: rgba(0, 214, 143, 0.3);

  --accent-blue: #339af0;
  --accent-blue-bg: rgba(51, 154, 240, 0.12);

  --accent-orange: #ff922b;
  --accent-orange-bg: rgba(255, 146, 43, 0.12);

  --accent-red: #ff6b6b;
  --accent-red-bg: rgba(255, 107, 107, 0.12);

  --accent-yellow: #fcc419;
  --accent-yellow-bg: rgba(252, 196, 25, 0.12);

  --accent-cyan: #22b8cf;
  --accent-cyan-bg: rgba(34, 184, 207, 0.12);

  --border-color: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);

  --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #a855f7 100%);
  --gradient-green: linear-gradient(135deg, #00d68f 0%, #20c997 100%);
  --gradient-blue: linear-gradient(135deg, #339af0 0%, #228be6 100%);
  --gradient-orange: linear-gradient(135deg, #ff922b 0%, #fd7e14 100%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-xs: 0.75rem;
  --font-sm: 0.8125rem;
  --font-base: 0.875rem;
  --font-md: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.5rem;
  --font-2xl: 2rem;
  --font-3xl: 2.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 3rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

#app {
  min-height: 100vh;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* === LOGIN PAGE === */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(0, 214, 143, 0.06) 0%, transparent 50%);
  animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: var(--space-xl);
}

.login-card {
  background: rgba(30, 33, 48, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: slideUp 0.6s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-logo {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.login-logo .logo-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-sm);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.login-logo h1 {
  font-size: var(--font-xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  margin-top: var(--space-xs);
}

.login-tabs {
  display: flex;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--space-xl);
}

.login-tab {
  flex: 1;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.login-tab.active {
  background: var(--accent-primary);
  color: var(--text-white);
}

/* === Form Elements === */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-base);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-input-sm {
  padding: 8px 12px;
  font-size: var(--font-sm);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-base);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px var(--accent-primary-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
  transform: translateY(-1px);
}

.btn-green {
  background: var(--gradient-green);
  color: var(--text-white);
  box-shadow: 0 4px 14px var(--accent-green-glow);
}

.btn-green:hover {
  box-shadow: 0 6px 20px rgba(0, 214, 143, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-danger {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border: 1px solid rgba(255, 107, 107, 0.2);
}

.btn-danger:hover {
  background: rgba(255, 107, 107, 0.2);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: var(--text-white);
}

.btn-whatsapp:hover {
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: var(--font-xs);
  border-radius: var(--radius-sm);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-md);
}

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

/* === App Layout === */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-base);
}

.sidebar-logo {
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo .logo-emoji {
  font-size: 1.8rem;
}

.sidebar-logo h2 {
  font-size: var(--font-lg);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-lg) var(--space-md);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--space-xl);
}

.sidebar-section-title {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 var(--space-md);
  margin-bottom: var(--space-sm);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--font-base);
  font-weight: 500;
  margin-bottom: 2px;
  user-select: none;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-primary-glow);
  color: var(--accent-primary);
  font-weight: 600;
}

.nav-item .nav-icon {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--accent-red);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-sm);
  color: white;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: var(--font-xs);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: var(--font-md);
  padding: 4px;
  transition: var(--transition-fast);
}

.btn-logout:hover {
  color: var(--accent-red);
}

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

/* === Header === */
.header {
  height: var(--header-height);
  background: rgba(15, 17, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-2xl);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--text-primary);
}

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

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

/* === Page Content === */
.page-content {
  flex: 1;
  padding: var(--space-2xl);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.page-header h1 {
  font-size: var(--font-xl);
  font-weight: 700;
}

.page-header-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition-base);
}

.card:hover {
  border-color: var(--border-light);
}

/* === Dashboard Cards === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card.purple::before { background: var(--gradient-primary); }
.stat-card.green::before { background: var(--gradient-green); }
.stat-card.blue::before { background: var(--gradient-blue); }
.stat-card.orange::before { background: var(--gradient-orange); }

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-light);
}

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

.stat-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.stat-card.purple .stat-card-icon { background: rgba(108, 92, 231, 0.15); }
.stat-card.green .stat-card-icon { background: var(--accent-green-bg); }
.stat-card.blue .stat-card-icon { background: var(--accent-blue-bg); }
.stat-card.orange .stat-card-icon { background: var(--accent-orange-bg); }

.stat-card-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-card-value {
  font-size: var(--font-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-top: var(--space-xs);
  letter-spacing: -0.02em;
}

.stat-card-sub {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* === Dashboard Sections === */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.dashboard-grid-equal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.card-title {
  font-size: var(--font-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* === Chart (Simple bar chart with CSS) === */
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-md);
  height: 160px;
  padding-top: var(--space-lg);
}

.chart-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  margin-top: auto;
  transition: var(--transition-base);
  min-height: 4px;
  position: relative;
}

.chart-bar:hover {
  opacity: 0.85;
}

.chart-bar-label {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

.chart-bar-value {
  font-size: var(--font-xs);
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

/* === Tables === */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: var(--bg-secondary);
}

.table th {
  padding: 12px 16px;
  text-align: left;
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table td {
  padding: 14px 16px;
  font-size: var(--font-base);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.table tbody tr {
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--bg-card-hover);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 600;
  white-space: nowrap;
}

.badge-green { background: var(--accent-green-bg); color: var(--accent-green); }
.badge-blue { background: var(--accent-blue-bg); color: var(--accent-blue); }
.badge-orange { background: var(--accent-orange-bg); color: var(--accent-orange); }
.badge-red { background: var(--accent-red-bg); color: var(--accent-red); }
.badge-yellow { background: var(--accent-yellow-bg); color: var(--accent-yellow); }
.badge-purple { background: rgba(108, 92, 231, 0.12); color: var(--accent-primary); }
.badge-cyan { background: var(--accent-cyan-bg); color: var(--accent-cyan); }

/* === Modal === */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn 0.2s ease;
  padding: var(--space-lg);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlide 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.modal-lg {
  max-width: 720px;
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-lg);
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
  transition: var(--transition-fast);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

/* === Toast === */
.toast-container {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
  min-width: 280px;
  max-width: 420px;
}

.toast.toast-out {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100px); }
}

.toast-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.toast-message {
  font-size: var(--font-sm);
  font-weight: 500;
  flex: 1;
}

.toast.success { border-left: 3px solid var(--accent-green); }
.toast.success .toast-icon { color: var(--accent-green); }

.toast.error { border-left: 3px solid var(--accent-red); }
.toast.error .toast-icon { color: var(--accent-red); }

.toast.info { border-left: 3px solid var(--accent-blue); }
.toast.info .toast-icon { color: var(--accent-blue); }

.toast.warning { border-left: 3px solid var(--accent-orange); }
.toast.warning .toast-icon { color: var(--accent-orange); }

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.empty-state-text {
  font-size: var(--font-md);
  margin-bottom: var(--space-lg);
}

/* === Loading === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === Item List (for sale/quote items) === */
.item-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-input);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.item-row .item-name {
  flex: 2;
  font-weight: 500;
}

.item-row .item-qty {
  width: 70px;
}

.item-row .item-price {
  width: 100px;
}

.item-row .item-total {
  width: 100px;
  text-align: right;
  font-weight: 600;
  color: var(--accent-green);
}

.item-row .item-remove {
  color: var(--accent-red);
  cursor: pointer;
  padding: 4px;
  font-size: 1.1rem;
}

/* === Add item section === */
.add-item-section {
  display: flex;
  gap: var(--space-md);
  align-items: flex-end;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.add-item-section .form-group {
  margin-bottom: 0;
}

/* === Summary Box === */
.summary-box {
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-size: var(--font-base);
}

.summary-row.total {
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-sm);
  padding-top: var(--space-md);
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--accent-green);
}

/* === Filter Bar === */
.filter-bar {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filter-bar .form-input {
  max-width: 240px;
}

/* === Sidebar overlay for mobile === */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

/* === Product quick actions === */
.actions-cell {
  display: flex;
  gap: var(--space-xs);
}

/* === Search input === */
.search-wrapper {
  position: relative;
}

.search-wrapper .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--font-sm);
}

.search-wrapper .form-input {
  padding-left: 36px;
}

/* === Financial list styling === */
.financial-type-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.financial-type-icon.receive { color: var(--accent-green); }
.financial-type-icon.pay { color: var(--accent-red); }

/* === Top products list === */
.top-product-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.top-product-item:last-child {
  border-bottom: none;
}

.top-product-rank {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: 700;
  color: var(--text-muted);
}

.top-product-info {
  flex: 1;
  min-width: 0;
}

.top-product-name {
  font-size: var(--font-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-product-qty {
  font-size: var(--font-xs);
  color: var(--text-muted);
}

.top-product-revenue {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--accent-green);
}

/* === Low Stock Alert === */
.low-stock-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--accent-red-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.low-stock-item .product-name {
  font-size: var(--font-sm);
  font-weight: 600;
}

.low-stock-item .stock-qty {
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--accent-red);
}

/* === Recent sales === */
.recent-sale-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.recent-sale-item:last-child {
  border-bottom: none;
}

.recent-sale-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.recent-sale-name {
  font-size: var(--font-sm);
  font-weight: 600;
}

.recent-sale-date {
  font-size: var(--font-xs);
  color: var(--text-muted);
}

.recent-sale-amount {
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--accent-green);
}

/* === Responsive === */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-overlay.show {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .hamburger {
    display: block;
  }

  .page-content {
    padding: var(--space-lg);
  }

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

  .dashboard-grid,
  .dashboard-grid-equal {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-bar .form-input {
    max-width: 100%;
    flex: 1;
  }

  .add-item-section {
    flex-direction: column;
  }

  .add-item-section .form-group {
    width: 100%;
  }

  .modal {
    margin: var(--space-md);
    max-height: calc(100vh - var(--space-2xl));
  }

  .stat-card-value {
    font-size: var(--font-xl);
  }

  .header {
    padding: 0 var(--space-lg);
  }

  .item-row {
    flex-wrap: wrap;
  }

  .table th, .table td {
    padding: 10px 12px;
    font-size: var(--font-sm);
  }
}

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

  .login-card {
    padding: var(--space-xl);
  }

  .header-subtitle {
    display: none;
  }
}

/* === Animations for page transitions === */
.page-enter {
  animation: pageIn 0.3s ease;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Pulse animation for alerts === */
.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* === Form Row === */
.form-row {
  display: flex;
  gap: var(--space-lg);
}

.form-row .form-group {
  flex: 1;
}

@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
  }
}

/* === Toolbar === */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

/* === Money formatting === */
.money { font-variant-numeric: tabular-nums; }
.money-positive { color: var(--accent-green); }
.money-negative { color: var(--accent-red); }

/* === Account Page === */
.account-plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.account-plan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.account-plan-card.expired::before {
  background: linear-gradient(135deg, var(--accent-red), var(--accent-orange));
}

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

.plan-card-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.plan-card-name {
  font-size: var(--font-xl);
  font-weight: 800;
}

.badge-lg {
  padding: 6px 16px;
  font-size: var(--font-sm);
}

.plan-days-box {
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.plan-days-number {
  font-size: var(--font-3xl);
  font-weight: 900;
  color: var(--accent-primary);
}

.plan-days-text {
  font-size: var(--font-base);
  color: var(--text-secondary);
  font-weight: 500;
}

.plan-days-sub {
  font-size: var(--font-xs);
  color: var(--text-muted);
}

.plan-active {
  border: 1px solid rgba(0, 214, 143, 0.2);
  background: var(--accent-green-bg);
}

.plan-expired {
  border: 1px solid rgba(255, 107, 107, 0.2);
  background: var(--accent-red-bg);
}

.plan-warning {
  border: 1px solid rgba(255, 146, 43, 0.2);
  background: var(--accent-orange-bg);
}

.plan-card-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.account-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* === Subscribe Plans Modal === */
.subscribe-plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.subscribe-plan {
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
}

.subscribe-plan:hover {
  border-color: var(--border-light);
}

.subscribe-plan.selected {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}

.subscribe-plan.featured {
  background: rgba(108, 92, 231, 0.06);
}

.subscribe-plan-badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--gradient-green);
  color: white;
  padding: 2px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 700;
}

.subscribe-plan-name {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.subscribe-plan-price {
  font-size: var(--font-2xl);
  font-weight: 900;
  margin-bottom: var(--space-xs);
}

.subscribe-plan-price span {
  font-size: var(--font-base);
  font-weight: 500;
  color: var(--text-secondary);
}

.subscribe-plan-sub {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.subscribe-plan-features {
  list-style: none;
  text-align: left;
}

.subscribe-plan-features li {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  padding: 4px 0;
}

/* === Paywall Page === */
.paywall-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.paywall-page::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(255, 107, 107, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(108, 92, 231, 0.06) 0%, transparent 50%);
}

.paywall-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 580px;
  padding: var(--space-xl);
}

.paywall-card {
  background: rgba(30, 33, 48, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: slideUp 0.6s ease;
}

.paywall-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
}

.paywall-title {
  font-size: var(--font-xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.paywall-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-base);
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
}

.paywall-plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.paywall-plan {
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
}

.paywall-plan:hover,
.paywall-plan.selected {
  border-color: var(--accent-primary);
}

.paywall-plan.selected {
  box-shadow: 0 0 15px var(--accent-primary-glow);
}

.paywall-plan.featured {
  background: rgba(108, 92, 231, 0.06);
}

.paywall-plan-badge {
  position: absolute;
  top: -8px;
  right: 10px;
  background: var(--gradient-green);
  color: white;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
}

.paywall-plan-name {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.paywall-plan-price {
  font-size: var(--font-xl);
  font-weight: 900;
}

.paywall-plan-price span {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.paywall-plan-sub {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

.paywall-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
}

.paywall-links a:hover {
  color: var(--text-primary) !important;
}

/* === Responsive Account === */
@media (max-width: 768px) {
  .account-grid {
    grid-template-columns: 1fr;
  }
  .subscribe-plans,
  .paywall-plans {
    grid-template-columns: 1fr;
  }
}