/**
 * Agro Engineers / ShriKisan — Themes & CSS Variables
 * Full Light & Dark Mode system with WCAG contrast compliance
 */

:root {
  /* Brand Accents */
  --primary-rgb: 27, 67, 50;
  --primary: #1b4332;
  --primary-hover: #143628;
  --primary-light: #2d6a4f;
  --primary-surface: #eaf4ee;
  
  --accent-rgb: 217, 119, 6;
  --accent: #d97706;
  --accent-hover: #b45309;
  --accent-light: #fef3c7;
  
  /* Light Theme Palettes */
  --bg-body: #f8faf9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-subtle: #f1f5f3;
  --bg-header: rgba(255, 255, 255, 0.92);
  --bg-overlay: rgba(15, 23, 42, 0.65);
  
  --text-main: #141c18;
  --text-muted: #526058;
  --text-light: #7b8c83;
  --text-on-primary: #ffffff;
  --text-on-accent: #ffffff;

  --border-color: #e2e8e5;
  --border-focus: #1b4332;
  --border-subtle: #edf2ef;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.10), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --primary-rgb: 45, 106, 79;
  --primary: #2d6a4f;
  --primary-hover: #40916c;
  --primary-light: #52b788;
  --primary-surface: rgba(45, 106, 79, 0.22);

  --accent-rgb: 245, 158, 11;
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-light: rgba(245, 158, 11, 0.18);

  /* Dark Theme Palettes */
  --bg-body: #0d1210;
  --bg-surface: #141c18;
  --bg-surface-elevated: #1b2621;
  --bg-subtle: #111714;
  --bg-header: rgba(20, 28, 24, 0.92);
  --bg-overlay: rgba(0, 0, 0, 0.82);

  --text-main: #f2f7f4;
  --text-muted: #9eada4;
  --text-light: #6e7d74;
  --text-on-primary: #ffffff;
  --text-on-accent: #0f172a;

  --border-color: #24332b;
  --border-focus: #52b788;
  --border-subtle: #1a2520;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
}