/* ==========================================================================
   Wild Haven Farm — Main Stylesheet
   Mobile-first, 44px touch targets, design tokens
   ========================================================================== */

/* ---------- Design Tokens (CSS Custom Properties) ---------- */
:root {
  /* Colors */
  --color-primary: #2d6a4f;
  --color-primary-dark: #1b4332;
  --color-bg: #f0f4f0;
  --color-white: #fff;
  --color-text: #222;
  --color-text-muted: #666;
  --color-border: #ccc;
  --color-error: #dc3545;
  --color-error-bg: #f8d7da;
  --color-warning: #e6a817;
  --color-warning-bg: #fff3cd;
  --color-success: #198754;
  --color-success-bg: #d1e7dd;

  /* Spacing */
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Font sizes */
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;

  /* Touch target */
  --touch-min: 44px;
}

/* ---------- Base / Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

/* ---------- Layout: Header ---------- */
.farm-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  color: var(--color-white);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  min-height: var(--touch-min);
}

.header-logo {
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--text-lg);
  font-weight: 700;
}

/* ---------- Hamburger Toggle ---------- */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform 0.2s ease;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

/* ---------- Main Nav (mobile: hidden by default) ---------- */
.main-nav {
  display: none;
  background: var(--color-primary-dark);
}

.main-nav.open {
  display: block;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: var(--touch-min);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--text-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-link:hover,
.nav-link:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  font-weight: 600;
}

/* ---------- Layout: Main & Footer ---------- */
.farm-main {
  padding: var(--space-md);
  max-width: 960px;
  margin: 0 auto;
}

.farm-footer {
  padding: var(--space-md);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Form Styles ---------- */
.form-field {
  margin-bottom: var(--space-md);
}

.form-field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.625rem 0.75rem;
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  -webkit-appearance: none;
  appearance: none;
}

textarea {
  min-height: calc(var(--touch-min) * 2);
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  padding: 0.625rem var(--space-md);
  font-size: var(--text-base);
  font-weight: 600;
  font-family: inherit;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.25;
  -webkit-tap-highlight-color: transparent;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled),
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-secondary {
  color: var(--color-primary);
  background: var(--color-white);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled),
.btn-secondary:focus-visible {
  background: var(--color-bg);
}

.btn-danger {
  color: var(--color-white);
  background: var(--color-error);
  border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled),
.btn-danger:focus-visible {
  background: #b02a37;
  border-color: #b02a37;
}

/* ---------- Utility: Screen Reader Only ---------- */
.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;
}

/* ---------- Utility: Text Alignment ---------- */
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* ---------- Utility: Margin ---------- */
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }

/* ---------- Card ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ---------- Responsive: Tablet+ (768px) ---------- */
@media (min-width: 768px) {
  /* Show nav inline, hide hamburger */
  .nav-toggle {
    display: none;
  }

  .main-nav {
    display: block;
    background: transparent;
  }

  .nav-list {
    display: flex;
    gap: var(--space-sm);
    padding: 0 var(--space-md) var(--space-sm);
  }

  .nav-link {
    min-height: auto;
    padding: var(--space-sm) var(--space-md);
    border-bottom: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
  }

  /* Wider content area */
  .farm-main {
    padding: var(--space-lg) var(--space-xl);
  }
}