/* ========================================
   PDV Suite Portal - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #DBEAFE;
  --success: #10B981;
  --success-light: #D1FAE5;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --info: #3B82F6;
  --info-light: #DBEAFE;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --text: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --border-dark: #CBD5E1;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

/* Navigation */
.navbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

.navbar-brand svg {
  width: 32px;
  height: 32px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.navbar-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
}

.navbar-nav a.nav-logout {
  color: var(--danger);
}

.navbar-nav a.nav-logout:hover {
  background: var(--danger-light);
  color: var(--danger);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--card);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .navbar-nav.open {
    display: flex;
  }

  .navbar-nav a {
    width: 100%;
    padding: 0.75rem 1rem;
  }
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-sm {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-md {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.page-content {
  padding: 2rem 0;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-secondary);
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.5;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--bg);
  border-color: var(--text-secondary);
  color: var(--text);
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
  background: #059669;
  border-color: #059669;
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: #DC2626;
  border-color: #DC2626;
  color: #fff;
}

.btn-warning {
  background: var(--warning);
  color: #fff;
  border-color: var(--warning);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover:not(:disabled) {
  background: var(--primary);
  color: #fff;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  color: var(--text);
  background-color: var(--card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  transition: var(--transition);
  line-height: 1.5;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--bg);
  color: var(--text-secondary);
  cursor: not-allowed;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--danger);
  margin-top: 0.25rem;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th {
  background: var(--bg);
  font-weight: 600;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

.table tbody tr.clickable {
  cursor: pointer;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  line-height: 1.5;
  white-space: nowrap;
}

.badge-success {
  background: var(--success-light);
  color: #065F46;
}

.badge-danger {
  background: var(--danger-light);
  color: #991B1B;
}

.badge-warning {
  background: var(--warning-light);
  color: #92400E;
}

.badge-info {
  background: var(--info-light);
  color: #1E40AF;
}

.badge-secondary {
  background: #F1F5F9;
  color: var(--text-secondary);
}

/* Status-specific badges */
.badge-ATIVA { background: var(--success-light); color: #065F46; }
.badge-TRIAL { background: var(--info-light); color: #1E40AF; }
.badge-VENCIDA { background: var(--warning-light); color: #92400E; }
.badge-BLOQUEADA { background: var(--danger-light); color: #991B1B; }
.badge-PENDENTE { background: var(--warning-light); color: #92400E; }
.badge-CONFIRMADO { background: var(--success-light); color: #065F46; }
.badge-CANCELADO { background: var(--danger-light); color: #991B1B; }
.badge-EXPIRADO { background: #F1F5F9; color: var(--text-secondary); }

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.alert-success {
  background: var(--success-light);
  color: #065F46;
  border-color: #A7F3D0;
}

.alert-danger {
  background: var(--danger-light);
  color: #991B1B;
  border-color: #FECACA;
}

.alert-warning {
  background: var(--warning-light);
  color: #92400E;
  border-color: #FDE68A;
}

.alert-info {
  background: var(--info-light);
  color: #1E40AF;
  border-color: #BFDBFE;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  color: #fff;
  font-size: 2.75rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}

.hero .btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
}

.hero .btn-outline-primary {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.hero .btn-outline-primary:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
}

/* Features Section */
.features {
  padding: 5rem 0;
}

.features-header {
  text-align: center;
  margin-bottom: 3rem;
}

.features-header h2 {
  margin-bottom: 0.5rem;
}

.features-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Pricing Section */
.pricing {
  padding: 5rem 0;
  background: var(--bg);
}

.pricing-header {
  text-align: center;
  margin-bottom: 3rem;
}

.pricing-header h2 {
  margin-bottom: 0.5rem;
}

.pricing-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border-color: var(--primary);
}

.pricing-card.popular::before {
  content: 'Mais Popular';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.pricing-card .price small {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pricing-card .cycle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.pricing-card .discount {
  display: inline-block;
  background: var(--success-light);
  color: #065F46;
  padding: 0.2rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.pricing-card .description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

/* License Card */
.license-card {
  background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.license-card .license-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.license-card .license-status h2 {
  color: #fff;
  font-size: 1.5rem;
}

.license-card .license-badge {
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
}

.license-card .license-badge.ATIVA { background: rgba(16, 185, 129, 0.3); color: #A7F3D0; }
.license-card .license-badge.TRIAL { background: rgba(59, 130, 246, 0.3); color: #BFDBFE; }
.license-card .license-badge.VENCIDA { background: rgba(245, 158, 11, 0.3); color: #FDE68A; }
.license-card .license-badge.BLOQUEADA { background: rgba(239, 68, 68, 0.3); color: #FECACA; }

.license-card .license-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.license-card .info-item label {
  display: block;
  font-size: 0.8125rem;
  opacity: 0.8;
  margin-bottom: 0.25rem;
}

.license-card .info-item .value {
  font-size: 1rem;
  font-weight: 600;
}

.license-key-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  word-break: break-all;
}

.license-key-row .copy-btn {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8125rem;
  white-space: nowrap;
  transition: var(--transition);
}

.license-key-row .copy-btn:hover {
  background: rgba(255,255,255,0.3);
}

.license-cta {
  margin-top: 1.5rem;
}

.license-cta .btn {
  background: #fff;
  color: var(--primary);
}

.license-cta .btn:hover {
  background: var(--primary-light);
}

/* PIX Payment */
.pix-container {
  text-align: center;
  padding: 2rem;
}

.pix-qr {
  display: inline-block;
  padding: 1rem;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}

.pix-qr img {
  width: 250px;
  height: 250px;
}

.pix-payload {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  word-break: break-all;
  font-family: monospace;
  font-size: 0.8125rem;
  max-height: 100px;
  overflow-y: auto;
}

.pix-timer {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--warning);
  margin-bottom: 1rem;
}

.pix-status {
  font-size: 1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.pix-status .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Plan Selection Cards */
.plan-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.plan-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.plan-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.plan-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.plan-card h3 {
  margin-bottom: 0.5rem;
}

.plan-card .plan-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.plan-card .plan-cycle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.plan-card .plan-discount {
  display: inline-block;
  background: var(--success-light);
  color: #065F46;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Auth Pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: var(--bg);
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
}

.auth-card .auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-card .auth-header h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.auth-card .auth-header p {
  color: var(--text-secondary);
}

.auth-card .auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 1.5rem;
}

.pagination button {
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text);
  transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
  background: var(--bg);
  border-color: var(--border-dark);
}

.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.125rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0.25rem;
  line-height: 1;
}

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

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Footer */
.footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: auto;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.flex-wrap { flex-wrap: wrap; }

.w-100 { width: 100%; }

.hidden { display: none !important; }

/* Loading */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.loading-spinner::after {
  content: '';
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  top: 80px;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 300px;
  max-width: 450px;
  animation: slideIn 0.3s ease;
}

.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-danger { border-left: 4px solid var(--danger); }
.toast.toast-warning { border-left: 4px solid var(--warning); }
.toast.toast-info { border-left: 4px solid var(--info); }

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--border-dark);
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: var(--text);
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .features, .pricing {
    padding: 3rem 0;
  }

  .license-card .license-info {
    grid-template-columns: 1fr 1fr;
  }

  .plan-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .license-card .license-info {
    grid-template-columns: 1fr;
  }

  .auth-card {
    padding: 1.5rem;
  }
}