/* ============================================================
   BASE — CSS variables, reset, typography
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  /* Primary */
  --color-primary:       #0ea5e9;
  --color-primary-dark:  #0284c7;
  --color-primary-light: #bae6fd;

  /* Backgrounds */
  --bg-app:     #f8fafc;
  --bg-card:    #ffffff;
  --bg-hover:   #f1f5f9;
  --bg-active:  #e0f2fe;
  --bg-input:   #f8fafc;

  /* Text */
  --text:       #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Borders */
  --border:       #e2e8f0;
  --border-focus: #0ea5e9;

  /* Accents */
  --accent-green:  #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber:  #f59e0b;
  --accent-red:    #ef4444;

  /* Pillar colors */
  --pillar-offer:       #f59e0b;
  --pillar-traffic:     #3b82f6;
  --pillar-conversion:  #8b5cf6;
  --pillar-delivery:    #10b981;
  --pillar-continuity:  #ec4899;

  /* Typography */
  --font-body:    'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;

  --fs-xs:   11px;
  --fs-sm:   13px;
  --fs-base: 15px;
  --fs-md:   16px;
  --fs-lg:   18px;
  --fs-xl:   22px;
  --fs-2xl:  28px;

  /* Layout */
  --sidebar-w:  240px;
  --rp-w:       260px;
  --topbar-h:   56px;
  --mob-nav-h:  60px;

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

/* Dark mode overrides */
html[data-theme="dark"] {
  --bg-app:     #0b1220;
  --bg-card:    #111827;
  --bg-hover:   #1e293b;
  --bg-active:  #16324d;
  --bg-input:   #0f172a;

  --text:       #f1f5f9;
  --text-muted: #94a3b8;
  --text-light: #64748b;

  --border:       #334155;
  --border-focus: #0ea5e9;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.6), 0 4px 8px rgba(0,0,0,0.3);
}

html, body { transition: background-color 0.15s, color 0.15s; }

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

html { height: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--text);
  background: var(--bg-app);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

button { font-family: var(--font-body); cursor: pointer; }

h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.25; }

[x-cloak] { display: none !important; }