/* ===== DESIGN SYSTEM - AGROVILA ARARA ===== */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;
  
  --secondary-50: #f8fafc;
  --secondary-100: #f1f5f9;
  --secondary-200: #e2e8f0;
  --secondary-300: #cbd5e1;
  --secondary-400: #94a3b8;
  --secondary-500: #64748b;
  --secondary-600: #475569;
  --secondary-700: #334155;
  --secondary-800: #1e293b;
  --secondary-900: #0f172a;
  
  --success-50: #f0fdf4;
  --success-500: #22c55e;
  --success-600: #16a34a;
  
  --warning-50: #fffbeb;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  
  --error-50: #fef2f2;
  --error-500: #ef4444;
  --error-600: #dc2626;
  
  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: var(--secondary-900);
    --bg-secondary: var(--secondary-800);
    --bg-tertiary: var(--secondary-700);
    --text-primary: var(--secondary-50);
    --text-secondary: var(--secondary-300);
    --text-tertiary: var(--secondary-400);
    --border-color: var(--secondary-600);
  }
}

/* Light Mode Variables (Default) */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: var(--secondary-50);
  --bg-tertiary: var(--secondary-100);
  --text-primary: var(--secondary-900);
  --text-secondary: var(--secondary-700);
  --text-tertiary: var(--secondary-500);
  --border-color: var(--secondary-200);
}

/* ===== RESET & BASE STYLES ===== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== LAYOUT COMPONENTS ===== */

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 60px);
}

.sidebar {
  width: 280px;
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 100%);
  color: white;
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
  transition: transform var(--transition-normal);
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar-header {
  margin-bottom: var(--space-8);
  text-align: center;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  background: linear-gradient(45deg, #ffffff, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-subtitle {
  font-size: var(--text-sm);
  opacity: 0.8;
  font-weight: 400;
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav-item {
  margin-bottom: var(--space-2);
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.sidebar-nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transform: translateX(4px);
}

.sidebar-nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  box-shadow: var(--shadow-md);
}

.sidebar-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: var(--primary-200);
  transform: scaleY(0);
  transition: transform var(--transition-fast);
}

.sidebar-nav-link.active::before {
  transform: scaleY(1);
}

.sidebar-nav-icon {
  margin-right: var(--space-3);
  font-size: var(--text-lg);
  width: 20px;
  text-align: center;
}

.main-content {
  flex: 1;
  margin-left: 280px;
  background-color: var(--bg-secondary);
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

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

.content-header {
  background: var(--bg-primary);
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.content-header-top {
  display: flex;
  justify-content: between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--bg-tertiary);
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.content-body {
  padding: var(--space-8);
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .menu-toggle {
    display: block;
  }
}

@media (max-width: 768px) {
  .content-header {
    padding: var(--space-4) var(--space-6);
  }
  
  .content-body {
    padding: var(--space-6);
  }
  
  .page-title {
    font-size: var(--text-2xl);
  }
  
  .page-subtitle {
    font-size: var(--text-base);
  }
}

@media (max-width: 480px) {
  .content-header {
    padding: var(--space-3) var(--space-4);
  }
  
  .content-body {
    padding: var(--space-4);
  }
  
  .sidebar {
    width: 100%;
  }
}

/* ===== UTILITY CLASSES ===== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }