/* ===== DESIGN TOKENS ===== */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --font-display: 'Satoshi', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-wide: 1200px;
}

/* ===== LIGHT MODE ===== */
:root, [data-theme="light"] {
  --color-bg:             #f7f6f2;
  --color-surface:        #ffffff;
  --color-surface-2:      #fbfbf9;
  --color-surface-offset: #f3f0ec;
  --color-divider:        #dcd9d5;
  --color-border:         #d4d1ca;
  --color-text:           #28251d;
  --color-text-muted:     #5c5955;
  --color-text-faint:     #bab9b4;
  --color-text-inverse:   #f9f8f4;
  --color-primary:        #01696f;
  --color-primary-hover:  #0c4e54;
  --color-primary-highlight: #e0f0ee;
  --color-success:        #437a22;
  --color-warning:        #964219;
  --color-error:          #a13544;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg:             #141312;
  --color-surface:        #1c1b19;
  --color-surface-2:      #222120;
  --color-surface-offset: #1d1c1a;
  --color-divider:        #2e2d2b;
  --color-border:         #3a3938;
  --color-text:           #e0dfdd;
  --color-text-muted:     #908f8d;
  --color-text-faint:     #5a5957;
  --color-text-inverse:   #1c1b19;
  --color-primary:        #4f98a3;
  --color-primary-hover:  #6ab4bf;
  --color-primary-highlight: #1e3133;
  --color-success:        #6daa45;
  --color-warning:        #bb653b;
  --color-error:          #dd6974;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141312; --color-surface: #1c1b19; --color-surface-2: #222120;
    --color-surface-offset: #1d1c1a; --color-divider: #2e2d2b;
    --color-border: #3a3938; --color-text: #e0dfdd; --color-text-muted: #908f8d;
    --color-text-faint: #5a5957; --color-text-inverse: #1c1b19;
    --color-primary: #4f98a3; --color-primary-hover: #6ab4bf;
    --color-primary-highlight: #1e3133; --color-success: #6daa45;
    --color-warning: #bb653b; --color-error: #dd6974;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3); --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
  }
}

/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg);
}
h1,h2,h3,h4,h5,h6 { line-height: 1.15; font-family: var(--font-display); }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
::selection { background: rgba(1, 105, 111, 0.25); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ===== UTILITIES ===== */
.container { max-width: var(--content-wide); margin: 0 auto; padding: 0 var(--space-5); }

/* ===== NAVIGATION ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247, 246, 242, 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-3) 0;
}
[data-theme="dark"] .nav { background: rgba(20, 19, 18, 0.85); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .nav { background: rgba(20, 19, 18, 0.85); }
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--content-wide); margin: 0 auto; padding: 0 var(--space-5);
}
.nav-logo {
  display: flex; align-items: center; gap: var(--space-2);
  font-weight: 700; font-size: var(--text-sm); color: var(--color-primary);
  text-decoration: none;
}
.nav-logo:hover { color: var(--color-primary-hover); }
.nav-logo svg { flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: var(--space-1); }
.nav-links a {
  font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-md);
  transition: all var(--transition-interactive); text-decoration: none;
}
.nav-links a:hover { color: var(--color-text); background: var(--color-surface-offset); }
.theme-toggle {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

/* ===== HERO ===== */
.hero {
  padding: clamp(var(--space-12), 8vw, var(--space-16)) 0 clamp(var(--space-8), 5vw, var(--space-12));
  text-align: center;
}
.hero h1 {
  font-size: var(--text-2xl); font-weight: 700; margin-bottom: var(--space-3);
  letter-spacing: -0.02em; color: var(--color-primary);
}
.hero-sub {
  font-size: var(--text-sm); color: var(--color-text-muted); max-width: 520px;
  margin: 0 auto var(--space-8);
}

/* ===== SEARCH ===== */
.search-wrap {
  max-width: 560px; margin: 0 auto var(--space-6); position: relative;
}
.search-input {
  width: 100%; padding: var(--space-3) var(--space-5); padding-left: var(--space-12);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); font-size: var(--text-sm);
  box-shadow: var(--shadow-md); transition: all var(--transition-interactive);
  color: var(--color-text);
}
.search-input:focus {
  border-color: var(--color-primary); outline: none;
  box-shadow: var(--shadow-md), 0 0 0 3px rgba(1, 105, 111, 0.12);
}
.search-input::placeholder { color: var(--color-text-faint); }
.search-icon {
  position: absolute; left: var(--space-4); top: 50%; transform: translateY(-50%);
  color: var(--color-text-faint); pointer-events: none;
}

/* ===== KPI CARDS ===== */
.kpi-section { padding-bottom: clamp(var(--space-8), 5vw, var(--space-16)); }
.kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4);
}
@media (max-width: 768px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .kpi-grid { grid-template-columns: 1fr; } }
.kpi-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); padding: var(--space-5);
  transition: box-shadow var(--transition-interactive);
}
.kpi-card:hover { box-shadow: var(--shadow-md); }
.kpi-label {
  font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: var(--space-2);
}
.kpi-value {
  font-size: var(--text-xl); font-weight: 700; font-variant-numeric: tabular-nums lining-nums;
  margin-bottom: var(--space-1); color: var(--color-primary);
}
.kpi-detail { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ===== SECTION HEADINGS ===== */
.section-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: var(--space-6); flex-wrap: wrap; gap: var(--space-3);
}
.section-title { font-size: var(--text-lg); font-weight: 700; color: var(--color-primary); }

/* ===== FORCE/NEIGHBOURHOOD GRID ===== */
.force-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}
.force-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); padding: var(--space-5);
  text-decoration: none; color: var(--color-text);
  transition: all var(--transition-interactive);
}
.force-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.force-card h3 {
  font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-2);
}
.force-card .meta {
  font-size: var(--text-xs); color: var(--color-text-muted);
}

/* ===== STAT CARDS ===== */
.stat-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); padding: var(--space-5);
  text-align: center;
}
.stat-card .number {
  font-size: var(--text-xl); font-weight: 700; color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.stat-card .label {
  font-size: var(--text-xs); color: var(--color-text-muted);
}

/* ===== SCORE BADGES ===== */
.score-badge {
  display: inline-block; padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full); font-weight: 600; font-size: var(--text-xs);
  margin-top: var(--space-2);
}
.score-safe { background: var(--color-success); color: white; }
.score-moderate { background: var(--color-warning); color: white; }
.score-unsafe { background: var(--color-error); color: white; }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: var(--space-4) 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { color: var(--color-primary-hover); }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) 0;
  margin-top: var(--space-12);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-align: center;
}
.footer a { color: var(--color-text-muted); }
.footer a:hover { color: var(--color-primary); }

/* ===== CRIME BREAKDOWN ===== */
.crime-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3); margin-top: var(--space-4);
}
.crime-item {
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.crime-item .icon { font-size: 1.25rem; margin-bottom: var(--space-1); }
.crime-item .count { font-size: var(--text-lg); font-weight: 700; }
.crime-item .type { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeUp 500ms cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }

@media (max-width: 768px) {
  .nav-links a:not(.theme-toggle) { display: none; }
}

/* ===== SEARCH DROPDOWN ===== */
.search-dropdown {
  position: absolute; top: calc(100% + var(--space-2)); left: 0; right: 0;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  max-height: 320px; overflow-y: auto; display: none; z-index: 50;
}
.search-dropdown.active { display: block; }

.search-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4); cursor: pointer;
  transition: background var(--transition-interactive);
  border-bottom: 1px solid var(--color-divider);
  text-decoration: none; color: inherit;
}
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: var(--color-surface-offset); }
.search-item-name { font-weight: 500; font-size: var(--text-sm); }
.search-item-meta { color: var(--color-text-muted); font-size: var(--text-xs); margin-left: var(--space-2); }
.search-item-score {
  font-weight: 700; font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm); color: #fff;
  min-width: 32px; text-align: center;
}
.search-item-type {
  font-size: 10px; color: var(--color-text-muted);
  margin-left: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== COMPARE TOOL ===== */
.search-tabs {
  display: flex; justify-content: center; gap: var(--space-2); margin-bottom: var(--space-4);
}
.search-tab {
  padding: var(--space-2) var(--space-4); background: transparent;
  color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 500;
  cursor: pointer; border-radius: var(--radius-md); border: none;
  transition: all var(--transition-interactive);
}
.search-tab:hover { color: var(--color-text); background: var(--color-surface-offset); }
.search-tab.active { color: var(--color-primary); background: var(--color-primary-highlight); }
.search-panel { display: none; }
.search-panel.active { display: block; }

.compare-wrap {
  display: flex; align-items: center; justify-content: center; gap: var(--space-3);
  max-width: 700px; margin: 0 auto; flex-wrap: wrap;
}
.compare-input-wrap { position: relative; flex: 1; min-width: 200px; }
.compare-vs {
  font-weight: 700; color: var(--color-primary); font-size: var(--text-lg);
  padding: 0 var(--space-1);
}
.compare-btn {
  padding: var(--space-3) var(--space-5); background: var(--color-primary);
  color: white; border: none; border-radius: var(--radius-lg); font-weight: 600;
  cursor: pointer; transition: all var(--transition-interactive);
  white-space: nowrap;
}
.compare-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.compare-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

@media (max-width: 600px) {
  .compare-wrap { flex-direction: column; gap: var(--space-2); }
  .compare-input-wrap { width: 100%; }
  .compare-vs { padding: var(--space-1) 0; }
  .compare-btn { width: 100%; }
}