/* ===================================
   🎨 FARMHUB DESIGN SYSTEM
   ===================================
   Design minimalista e moderno
   Inspirado em: FBASE + Casedrop
   =================================== */

/* ===================================
   CSS RESET & BASE
   =================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ===================================
   THEME SYSTEM
   =================================== */

/* Light Theme (Default) */
body,
.light-theme {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --text-primary: #171717;
  --text-secondary: #737373;
  --text-tertiary: #a3a3a3;
  --border-color: #e5e5e5;
  --border-color-light: #f5f5f5;
  background-color: #fafafa !important;
  color: #171717 !important;
}

/* Dark Theme */
.dark-theme,
body.dark-theme {
  --bg-primary: #1a1f2e;
  --bg-secondary: #0f1419;
  --bg-tertiary: #1a1f2e;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border-color: rgba(51, 65, 85, 0.15);
  --border-color-light: rgba(51, 65, 85, 0.3);
  background-color: #0f1419 !important;
  color: #e2e8f0 !important;
}

:root {
  /* ===================================
     COLOR PALETTE
     =================================== */
  
  /* Primary - Verde FarmHub */
  --color-primary-50: #ecfdf5;
  --color-primary-100: #d1fae5;
  --color-primary-200: #a7f3d0;
  --color-primary-300: #6ee7b7;
  --color-primary-400: #34d399;
  --color-primary-500: #10b981; /* Main brand color */
  --color-primary-600: #059669;
  --color-primary-700: #047857;
  --color-primary-800: #065f46;
  --color-primary-900: #064e3b;

  /* Accent - Laranja/Amarelo (CTA) */
  --color-accent-400: #fbbf24;
  --color-accent-500: #f59e0b;
  --color-accent-600: #d97706;

  /* Neutral - Dark Theme */
  --color-dark-50: #fafafa;
  --color-dark-100: #f5f5f5;
  --color-dark-200: #e5e5e5;
  --color-dark-300: #d4d4d4;
  --color-dark-400: #a3a3a3;
  --color-dark-500: #737373;
  --color-dark-600: #525252;
  --color-dark-700: #404040;
  --color-dark-800: #262626;
  --color-dark-850: #1f1f1f;
  --color-dark-900: #171717;
  --color-dark-950: #0a0a0a;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* ===================================
     SPACING SCALE
     =================================== */
  --space-xs: 0.25rem;    /* 4px */
  --space-sm: 0.5rem;     /* 8px */
  --space-md: 16px;       /* 16px */
  --space-lg: 24px;      /* 24px */
  --space-xl: 32px;        /* 32px */
  --space-2xl: 3rem;      /* 48px */
  --space-3xl: 4rem;      /* 64px */
  --space-4xl: 6rem;      /* 96px */

  /* ===================================
     TYPOGRAPHY
     =================================== */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes - Base: 14px */
  --text-xs: 0.714rem;    /* 10px */
  --text-sm: 0.857rem;    /* 12px */
  --text-base: 1rem;      /* 14px */
  --text-lg: 1.143rem;    /* 16px */
  --text-xl: 1.286rem;    /* 18px */
  --text-2xl: 1.5rem;     /* 21px */
  --text-3xl: 1.857rem;   /* 26px */
  --text-4xl: 2.143rem;   /* 30px */
  --text-5xl: 2.714rem;   /* 38px */
  --text-6xl: 3.214rem;   /* 45px */

  /* Font Weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* ===================================
     BORDER RADIUS
     =================================== */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* ===================================
     SHADOWS
     =================================== */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Dark Theme Shadows */
  --shadow-dark-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-dark-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-dark-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px 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);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ===================================
     Z-INDEX SCALE
     =================================== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ===================================
   BASE STYLES
   =================================== */
html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-dark-100);
  background-color: var(--color-dark-950);
  overflow-x: hidden;
}

/* ===================================
   TYPOGRAPHY CLASSES
   =================================== */
.heading-1 {
  font-size: var(--text-6xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.heading-2 {
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
}

.heading-3 {
  font-size: var(--text-4xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
}

.heading-4 {
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-normal);
}

.heading-5 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-normal);
}

.heading-6 {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-normal);
}

.text-muted {
  color: var(--color-dark-400);
}

.text-primary {
  color: var(--color-primary-500);
}

.text-accent {
  color: var(--color-accent-500);
}

/* ===================================
   BUTTON COMPONENTS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

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

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary-500);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Accent Button */
.btn-accent {
  background-color: var(--color-accent-500);
  color: white;
}

.btn-accent:hover:not(:disabled) {
  background-color: var(--color-accent-600);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

/* Secondary Button */
.btn-secondary {
  background-color: white;
  color: #171717;
  border: 1px solid #e5e5e5;
}

.btn-secondary:hover:not(:disabled) {
  background-color: #f5f5f5;
  border-color: #d4d4d4;
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: #737373;
}

.btn-ghost:hover:not(:disabled) {
  background-color: #f5f5f5;
  color: #171717;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--text-lg);
}

.btn-icon {
  padding: var(--space-md);
  aspect-ratio: 1;
}

/* ===================================
   CARD COMPONENT
   =================================== */
.card {
  background-color: var(--color-dark-900);
  border: 1px solid var(--color-dark-800);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-dark-700);
  box-shadow: var(--shadow-dark-lg);
}

.card-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-dark-800);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-dark-50);
  margin-bottom: var(--space-xs);
}

.card-description {
  font-size: var(--text-sm);
  color: var(--color-dark-400);
}

.card-body {
  margin-bottom: var(--space-lg);
}

.card-footer {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-dark-800);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* ===================================
   BADGE COMPONENT
   =================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-info {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-neutral {
  background-color: #f5f5f5;
  color: #737373;
  border: 1px solid #e5e5e5;
}

/* ===================================
   INPUT COMPONENT
   =================================== */
.input-group {
  margin-bottom: var(--space-lg);
}

.input-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #171717;
}

.input {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: #171717;
  background-color: white;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input::placeholder {
  color: #a3a3a3;
}

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

.input-error {
  border-color: var(--color-error);
}

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.input-helper {
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-dark-400);
}

.input-error-message {
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-error);
}

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

/* Display */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Flex */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* Text Align */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

/* Spacing */
.mt-auto { margin-top: auto; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn var(--transition-base);
}

.animate-slideUp {
  animation: slideUp var(--transition-slow);
}

.animate-slideDown {
  animation: slideDown var(--transition-slow);
}

/* ===================================
   RESPONSIVE BREAKPOINTS
   =================================== */
@media (max-width: 768px) {
  :root {
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
  }

  .heading-1, .heading-2, .heading-3 {
    letter-spacing: -0.01em;
  }
}