/**
 * Beglon Design System - Tokens & Core Styles
 * Extracted & harmonized from Stitch Design System
 */

:root {
  /* Brand Palette */
  --color-primary: #006d37;
  --color-primary-light: #4ae183;
  --color-primary-container: #2ecc71;
  --color-on-primary-container: #005027;
  
  --color-secondary: #366847;
  --color-secondary-container: #b8f0c5;
  --color-on-secondary-container: #3d6f4d;
  
  --color-tertiary: #006397;
  --color-tertiary-container: #5fbaff;
  --color-on-tertiary-container: #004970;
  
  --color-cta: #ff8a00;
  --color-cta-hover: #e67a00;
  --color-cta-text: #ffffff;
  
  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;
  
  /* Neutral Surfaces */
  --color-background: #f3fcf1;
  --color-surface: #f3fcf1;
  --color-surface-dim: #d4dcd2;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #eef6eb;
  --color-surface-container: #e8f0e5;
  --color-surface-container-high: #e2ebe0;
  --color-surface-container-highest: #dce5da;
  
  /* Text & Outlines */
  --color-on-surface: #161d17;
  --color-on-surface-variant: #3d4a3e;
  --color-outline: #6c7b6d;
  --color-outline-variant: #bbcbbb;
  
  /* Typography & Layout */
  --font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-max: 1280px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 25px -5px rgba(0, 50, 20, 0.08);
  --shadow-hover: 0 20px 35px -10px rgba(0, 80, 30, 0.15);
  --shadow-modal: 0 25px 60px -15px rgba(10, 30, 15, 0.25);
  --shadow-cube: 0 6px 0 var(--color-primary-container), 0 12px 18px rgba(0, 0, 0, 0.08);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--color-background);
  color: var(--color-on-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* Core Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  user-select: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--color-cta);
  color: var(--color-cta-text);
  box-shadow: 0 4px 14px rgba(255, 138, 0, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 138, 0, 0.45);
}

.btn-green {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 109, 55, 0.25);
}

.btn-green:hover {
  background-color: #00562c;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  border: 1.5px solid var(--color-outline-variant);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-surface-container-low);
}

.btn-lime {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

.btn-lime:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-tertiary {
  background-color: var(--color-tertiary-container);
  color: var(--color-on-tertiary-container);
}

.badge-sale {
  background-color: var(--color-cta);
  color: #ffffff;
}

.badge-green {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

.badge-outline {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface-variant);
}

/* Modals Overlay */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 30, 20, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--color-surface-container-lowest);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-surface-container);
  position: sticky;
  top: 0;
  background: var(--color-surface-container-lowest);
  z-index: 10;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-on-surface);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-surface-container);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: var(--color-surface-container-low);
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
}

.btn-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container-low);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-close:hover {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
}

/* Material Icons Helper */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
  line-height: 1;
}

.icon-filled {
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}