/* Shape Backoffice - Premium Design System */

:root {
  /* Colors - Modern palette with vibrant accents */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #131827;
  --color-bg-tertiary: #1a2035;
  --color-bg-card: #1e2538;
  --color-bg-hover: #252d45;
  
  --color-accent-primary: #6366f1;
  --color-accent-secondary: #8b5cf6;
  --color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #64748b;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  --color-border: #2d3548;
  --color-border-light: #3d4558;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-accent-secondary);
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-2xl);
}

.sidebar-nav {
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.nav-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
  transform: translateX(4px);
}

.nav-item.active {
  background: var(--color-accent-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.nav-icon {
  margin-right: var(--spacing-md);
  font-size: 1.25rem;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: var(--spacing-xl);
  background: var(--color-bg-primary);
}

.page-header {
  margin-bottom: var(--spacing-2xl);
}

.page-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Cards */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

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

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

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

thead {
  background: var(--color-bg-tertiary);
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

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

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

/* Stats */
.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

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

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-change {
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-error); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--color-success); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--color-warning); }
.badge-error { background: rgba(239, 68, 68, 0.1); color: var(--color-error); }
.badge-info { background: rgba(59, 130, 246, 0.1); color: var(--color-info); }

/* Loading */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-lg);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
}

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

.login-logo {
  font-size: 2rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

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

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.pagination-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

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

.pagination-btn.active {
  background: var(--color-accent-gradient);
  color: white;
  border-color: transparent;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }