/* Modulyn — Design tokens + base styles */

:root {
  /* Brand */
  --m-brand: #0F6E56;          /* teal — primary */
  --m-brand-light: #E1F5EE;
  --m-brand-dark: #085041;
  --m-accent: #BA7517;         /* warm amber */
  --m-accent-light: #FAEEDA;

  /* Surfaces */
  --m-bg: #FAF9F6;             /* warm cream — page bg */
  --m-bg-elevated: #FFFFFF;    /* cards, panels */
  --m-bg-subtle: #F1EFE8;      /* secondary surfaces */
  --m-bg-canvas: #FCFCFA;      /* block canvas */

  /* Text */
  --m-text: #2C2C2A;           /* near-black */
  --m-text-secondary: #5F5E5A;
  --m-text-tertiary: #888780;
  --m-text-inverse: #FFFFFF;

  /* Borders */
  --m-border: #E5E2D8;
  --m-border-strong: #D3D1C7;

  /* Block category colors */
  --m-cat-variables:  #AFA9EC;   /* purple */
  --m-cat-events:     #EF9F27;   /* amber */
  --m-cat-sensing:    #5DCAA5;   /* teal */
  --m-cat-ai:         #ED93B1;   /* pink */
  --m-cat-spatial:    #F0997B;   /* coral */
  --m-cat-hardware:   #85B7EB;   /* blue */
  --m-cat-control:    #97C459;   /* green */
  --m-cat-functions:  #B4B2A9;   /* gray */

  /* Semantic */
  --m-success: #3B6D11;
  --m-success-bg: #EAF3DE;
  --m-warning: #854F0B;
  --m-warning-bg: #FAEEDA;
  --m-danger: #A32D2D;
  --m-danger-bg: #FCEBEB;
  --m-info: #185FA5;
  --m-info-bg: #E6F1FB;

  /* Radii */
  --m-r-sm: 4px;
  --m-r-md: 8px;
  --m-r-lg: 12px;

  /* Spacing */
  --m-sp-1: 4px;
  --m-sp-2: 8px;
  --m-sp-3: 12px;
  --m-sp-4: 16px;
  --m-sp-6: 24px;
  --m-sp-8: 32px;

  /* Type */
  --m-font: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont,
            "Segoe UI", system-ui, sans-serif;
  --m-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--m-font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--m-text);
  background: var(--m-bg);
  -webkit-font-smoothing: antialiased;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ===== Top Nav ===== */
.m-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--m-sp-3) var(--m-sp-6);
  background: var(--m-bg-elevated);
  border-bottom: 1px solid var(--m-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.m-nav-left { display: flex; align-items: center; gap: var(--m-sp-6); }
.m-logo {
  display: flex; align-items: center; gap: var(--m-sp-2);
  font-weight: 700; font-size: 18px;
  color: var(--m-brand-dark);
  text-decoration: none;
}
.m-logo-mark {
  width: 26px; height: 26px;
  background: var(--m-brand);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 14px;
  font-family: var(--m-font-mono);
}
.m-logo:hover { text-decoration: none; }
.m-nav-links { display: flex; gap: var(--m-sp-4); }
.m-nav-link {
  padding: 6px 12px;
  border-radius: var(--m-r-md);
  color: var(--m-text-secondary);
  font-weight: 500;
  font-size: 13px;
}
.m-nav-link:hover { background: var(--m-bg-subtle); text-decoration: none; color: var(--m-text); }
.m-nav-link.active { background: var(--m-brand-light); color: var(--m-brand-dark); }
.m-nav-right { display: flex; gap: var(--m-sp-3); align-items: center; }
.m-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--m-accent-light); color: var(--m-accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 12px;
}
.m-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px; font-weight: 500;
}
.m-pill-success { background: var(--m-success-bg); color: var(--m-success); }
.m-pill-info { background: var(--m-info-bg); color: var(--m-info); }
.m-pill-warning { background: var(--m-warning-bg); color: var(--m-warning); }

/* ===== Buttons ===== */
.m-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: var(--m-r-md);
  font-weight: 500; font-size: 13px;
  background: var(--m-bg-elevated);
  border: 1px solid var(--m-border);
  color: var(--m-text);
  cursor: pointer;
  transition: background 0.15s;
}
.m-btn:hover { background: var(--m-bg-subtle); }
.m-btn-primary {
  background: var(--m-brand);
  border-color: var(--m-brand);
  color: white;
}
.m-btn-primary:hover { background: var(--m-brand-dark); }
.m-btn-ghost { background: transparent; border-color: transparent; }
.m-btn-ghost:hover { background: var(--m-bg-subtle); }

/* ===== Cards ===== */
.m-card {
  background: var(--m-bg-elevated);
  border: 1px solid var(--m-border);
  border-radius: var(--m-r-lg);
  padding: var(--m-sp-6);
}

/* ===== Helpers ===== */
.m-row { display: flex; gap: var(--m-sp-3); align-items: center; }
.m-stack { display: flex; flex-direction: column; gap: var(--m-sp-3); }
.m-spacer { flex: 1; }
.m-muted { color: var(--m-text-secondary); }
.m-small { font-size: 12px; }
.m-mono { font-family: var(--m-font-mono); }
.m-h1 { font-size: 28px; font-weight: 700; margin: 0; line-height: 1.2; }
.m-h2 { font-size: 22px; font-weight: 600; margin: 0; line-height: 1.3; }
.m-h3 { font-size: 16px; font-weight: 600; margin: 0; }
.m-section-title {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--m-text-tertiary);
  margin-bottom: var(--m-sp-2);
}