/**
 * SpinPro Design System v2.0 - UI/UX Modernization
 * Master CSS Import File
 *
 * This file imports all design system components in the correct order.
 * Import this single file in your templates:
 * <link rel="stylesheet" href="{% static 'css/spinpro-v2.css' %}">
 *
 * Import Order Matters:
 * 1. Core (variables, reset, typography, utilities)
 * 2. Components (cards, buttons, modals, drawers, floating-windows)
 * 3. Base Layouts
 */

/* ===== CORE FOUNDATION ===== */
@import './core/variables.css';
@import './core/reset.css';
@import './core/typography.css';
@import './core/utilities.css';

/* ===== COMPONENTS ===== */
@import './components/cards.css';
@import './components/buttons.css';
@import './components/modals.css';
@import './components/drawers.css';
@import './components/floating-windows.css';

/* ===== BASE LAYOUT ===== */

body {
  display: flex;
  min-height: 100vh;
  background: var(--gradient-app-background, var(--color-background));
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  color: var(--color-text-primary);
}

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

.main-content.sidebar-collapsed {
  margin-left: var(--sidebar-width-collapsed);
}

/* Page Container */
.page-container {
  flex: 1;
  padding: var(--space-lg);
  max-width: 1920px;
  width: 100%;
  margin: 0 auto;
}

/* Page Header */
.page-header {
  margin-bottom: var(--space-lg);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--cyan-dark);
}

.breadcrumb-separator {
  color: var(--color-text-muted);
}

/* Section */
.section {
  margin-bottom: var(--space-xl);
}

.section:last-child {
  margin-bottom: 0;
}

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

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.section-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Grid Layouts */
.grid-1 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

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

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

/* Responsive Grids */
@media (max-width: 1199px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .main-content {
    margin-left: 0;
  }

  .page-container {
    padding: var(--space-md);
  }

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

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

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

.empty-state-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.empty-state-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}