/* ============================================================
   Griffith's Valuation Explorer — Design System
   Antiquarian / Genealogical Research Tool
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  /* Typography */
  --font-display: 'Crimson Text', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Type Scale (fluid) */
  --text-xs: clamp(0.6875rem, 0.65rem + 0.15vw, 0.75rem);       /* 11–12px */
  --text-sm: clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);      /* 13–14px */
  --text-base: clamp(0.875rem, 0.84rem + 0.15vw, 0.9375rem);    /* 14–15px */
  --text-lg: clamp(1.125rem, 1.05rem + 0.3vw, 1.25rem);         /* 18–20px */
  --text-xl: clamp(1.375rem, 1.25rem + 0.5vw, 1.625rem);        /* 22–26px */
  --text-2xl: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);            /* 28–36px */

  /* Spacing (4px grid) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Colors — Warm Parchment Palette */
  --color-parchment: #F5F0E8;
  --color-parchment-dark: #EDE6D9;
  --color-cream: #FAF7F2;
  --color-brown-900: #2A1B10;
  --color-brown-800: #3D2B1F;
  --color-brown-700: #5C4033;
  --color-brown-600: #7A5C47;
  --color-brown-500: #8B6F5E;
  --color-brown-400: #A69080;
  --color-brown-300: #C4B5A5;
  --color-brown-200: #DDD3C6;
  --color-brown-100: #EBE4DA;
  
  --color-green: #4A6741;
  --color-green-light: #5A7D4F;
  --color-green-faint: rgba(74, 103, 65, 0.08);
  
  --color-blue: #4A6A8A;
  --color-blue-light: #5A7D9E;
  --color-blue-faint: rgba(74, 106, 138, 0.08);
  
  --color-rust: #A0522D;
  --color-rust-light: #B8673C;
  --color-rust-faint: rgba(160, 82, 45, 0.08);

  /* Semantic Colors */
  --color-bg: var(--color-parchment);
  --color-surface: var(--color-cream);
  --color-surface-2: #FFFFFF;
  --color-surface-offset: var(--color-parchment-dark);
  --color-text: var(--color-brown-800);
  --color-text-muted: var(--color-brown-600);
  --color-text-faint: var(--color-brown-400);
  --color-accent: var(--color-rust);
  --color-accent-hover: var(--color-rust-light);
  --color-divider: rgba(61, 43, 31, 0.12);
  --color-border: rgba(61, 43, 31, 0.15);

  /* Townland Colors */
  --color-sultan: var(--color-green);
  --color-sluggan: var(--color-blue);
  --color-tremoge: var(--color-rust);
  --color-aghnagreggan: #7B5EA7;
  --color-creggandevesky: #C17817;
  --color-killeenan: #B5463A;
  --color-beagh-beg: #2E8B8B;
  --color-tiroony: #6B8E5A;
  --color-cloghfin: #8B6969;
  --color-drumlester: #4B7F8F;
  --color-carrickmore: #C4653C;
  --color-clare: #6A7B3A;
  --color-mullanmore: #9B6B4A;
  --color-granagh: #5B8C5A;
  --color-turnabarson: #8A5C8A;
  --color-drumduff: #6B7D99;
  --color-gortindarragh: #B8860B;
  --color-killucan: #7B8F3A;
  --color-dunnamore: #C45B7C;
  --color-teebane: #4A8B7A;
  --color-keenaghan: #9B5B3A;
  --color-moboy: #6B5B9B;
  --color-tulnacross: #8B4F6A;
  --color-ross-beg: #4A7B6B;
  --color-ross-more: #8B7340;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(42, 27, 16, 0.06);
  --shadow-md: 0 2px 8px rgba(42, 27, 16, 0.08);
  --shadow-lg: 0 4px 16px rgba(42, 27, 16, 0.1);
  --shadow-xl: 0 8px 32px rgba(42, 27, 16, 0.12);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-interactive: 180ms var(--ease-out);
  --transition-slow: 300ms var(--ease-out);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-brown-900);
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-base); font-weight: 600; }

p { line-height: 1.6; }

/* --- Utility Classes --- */
.label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

/* --- Components --- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-interactive);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-cream);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn-ghost:hover {
  color: var(--color-text);
  background: rgba(61, 43, 31, 0.05);
}

/* Inputs */
.input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.input::placeholder {
  color: var(--color-text-faint);
}
.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.12);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  box-shadow: var(--shadow-md);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  line-height: 1.4;
}
.badge-sultan {
  background: var(--color-green-faint);
  color: var(--color-green);
  border: 1px solid rgba(74, 103, 65, 0.2);
}
.badge-sluggan {
  background: var(--color-blue-faint);
  color: var(--color-blue);
  border: 1px solid rgba(74, 106, 138, 0.2);
}
.badge-tremoge {
  background: var(--color-rust-faint);
  color: var(--color-rust);
  border: 1px solid rgba(160, 82, 45, 0.2);
}
.badge-aghnagreggan {
  background: rgba(123, 94, 167, 0.08);
  color: #7B5EA7;
  border: 1px solid rgba(123, 94, 167, 0.2);
}
.badge-creggandevesky {
  background: rgba(193, 120, 23, 0.08);
  color: #C17817;
  border: 1px solid rgba(193, 120, 23, 0.2);
}
.badge-killeenan {
  background: rgba(181, 70, 58, 0.08);
  color: #B5463A;
  border: 1px solid rgba(181, 70, 58, 0.2);
}
.badge-beagh-beg {
  background: rgba(46, 139, 139, 0.08);
  color: #2E8B8B;
  border: 1px solid rgba(46, 139, 139, 0.2);
}
.badge-tiroony {
  background: rgba(107, 142, 90, 0.08);
  color: #6B8E5A;
  border: 1px solid rgba(107, 142, 90, 0.2);
}
.badge-cloghfin {
  background: rgba(139, 105, 105, 0.08);
  color: #8B6969;
  border: 1px solid rgba(139, 105, 105, 0.2);
}
.badge-drumlester {
  background: rgba(75, 127, 143, 0.08);
  color: #4B7F8F;
  border: 1px solid rgba(75, 127, 143, 0.2);
}
.badge-carrickmore {
  background: rgba(196, 101, 60, 0.08);
  color: #C4653C;
  border: 1px solid rgba(196, 101, 60, 0.2);
}
.badge-clare {
  background: rgba(106, 123, 58, 0.08);
  color: #6A7B3A;
  border: 1px solid rgba(106, 123, 58, 0.2);
}
.badge-mullanmore {
  background: rgba(155, 107, 74, 0.08);
  color: #9B6B4A;
  border: 1px solid rgba(155, 107, 74, 0.2);
}
.badge-granagh {
  background: rgba(91, 140, 90, 0.08);
  color: #5B8C5A;
  border: 1px solid rgba(91, 140, 90, 0.2);
}
.badge-turnabarson {
  background: rgba(138, 92, 138, 0.08);
  color: #8A5C8A;
  border: 1px solid rgba(138, 92, 138, 0.2);
}
.badge-drumduff {
  background: rgba(107, 125, 153, 0.08);
  color: #6B7D99;
  border: 1px solid rgba(107, 125, 153, 0.2);
}
.badge-gortindarragh {
  background: rgba(184, 134, 11, 0.08);
  color: #B8860B;
  border: 1px solid rgba(184, 134, 11, 0.2);
}
.badge-killucan {
  background: rgba(123, 143, 58, 0.08);
  color: #7B8F3A;
  border: 1px solid rgba(123, 143, 58, 0.2);
}
.badge-dunnamore {
  background: rgba(196, 91, 124, 0.08);
  color: #C45B7C;
  border: 1px solid rgba(196, 91, 124, 0.2);
}
.badge-teebane {
  background: rgba(74, 139, 122, 0.08);
  color: #4A8B7A;
  border: 1px solid rgba(74, 139, 122, 0.2);
}
.badge-keenaghan {
  background: rgba(155, 91, 58, 0.08);
  color: #9B5B3A;
  border: 1px solid rgba(155, 91, 58, 0.2);
}
.badge-moboy {
  background: rgba(107, 91, 155, 0.08);
  color: #6B5B9B;
  border: 1px solid rgba(107, 91, 155, 0.2);
}
.badge-tulnacross {
  background: rgba(139, 79, 106, 0.08);
  color: #8B4F6A;
  border: 1px solid rgba(139, 79, 106, 0.2);
}
.badge-ross-beg {
  background: rgba(74, 123, 107, 0.08);
  color: #4A7B6B;
  border: 1px solid rgba(74, 123, 107, 0.2);
}
.badge-ross-more {
  background: rgba(139, 115, 64, 0.08);
  color: #8B7340;
  border: 1px solid rgba(139, 115, 64, 0.2);
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-4) 0;
}

/* Checkbox styled */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-brown-300);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-brown-400);
}