/* ============================================================
   Manage AI Remote™ — Design Tokens
   Source: Design Specification v2.1, March 25, 2026 (Doc 4)
   URL: https://manageai-remote.vercel.app
   ============================================================ */

:root {
  /* ---------- Brand Colors ---------- */
  --color-cta-blue:    #0070C0;
  --color-slide-blue:  #4A90E2;
  --color-brand-blue:  #2E75B6;
  --color-navy:        #0F172A;
  --color-slate:       #5A6C7D;
  --color-muted:       #94A3B8;
  --color-border:      #E2E8F0;
  --color-snow:        #F8FAFC;
  --color-white:       #FFFFFF;

  /* ---------- Status Colors ---------- */
  --color-success:     #00DC82;
  --color-info:        #4A90E2;
  --color-warning:     #FCC800;
  --color-error:       #FF6467;

  /* ---------- Typography ---------- */
  --font-heading:  'Montserrat', system-ui, -apple-system, sans-serif;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:     'SF Mono', 'Fira Code', 'Courier New', monospace;

  --fw-heading:    800;
  --fw-label:      700;
  --fw-body:       400;

  --text-body-size:    16px;
  --text-body-lh:      1.7;
  --text-body-color:   var(--color-slate);

  --text-heading-color: var(--color-navy);

  --text-label-size:      10px;
  --text-label-tracking:  2.5px;
  --text-label-color:     var(--color-slide-blue);

  --text-caption-size:   12px;
  --text-caption-color:  var(--color-muted);

  --text-mono-size:      13px;

  /* ---------- Spacing Scale (4px base grid) ---------- */
  --space-1:    4px;
  --space-2:    8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-6:   24px;
  --space-8:   32px;
  --space-10:  40px;
  --space-16:  64px;
  --space-20:  80px;
  --space-30: 120px;

  /* ---------- Border Radius ---------- */
  --radius-button:   6px;
  --radius-default:  8px;
  --radius-card:    12px;
  --radius-modal:   16px;
  --radius-pill:   999px;

  /* ---------- Breakpoints ---------- */
  --bp-sm:  640px;
  --bp-md:  768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}

html { box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }

body {
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  color: var(--text-body-color);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading);
  color: var(--text-heading-color);
  margin: 0 0 var(--space-4);
  line-height: 1.2;
}

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

code, pre, kbd { font-family: var(--font-mono); font-size: var(--text-mono-size); }

.section-label {
  font-family: var(--font-heading);
  font-weight: var(--fw-label);
  font-size: var(--text-label-size);
  text-transform: uppercase;
  letter-spacing: var(--text-label-tracking);
  color: var(--text-label-color);
}

.bg-snow  { background: var(--color-snow); }
.bg-white { background: var(--color-white); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-button);
  font-family: var(--font-body);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}

.btn-primary { background: var(--color-cta-blue); color: var(--color-white); }
.btn-primary:hover { background: var(--color-brand-blue); }

.btn-ghost { background: transparent; color: var(--color-cta-blue); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-snow); }

.btn-link { background: transparent; color: var(--color-cta-blue); padding: 0; }
.btn-link:hover { text-decoration: underline; }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}