/* ===================================================================
   layout.css — base layout, chalk-grid backdrop, typography scale
   =================================================================== */

@font-face {
  font-family: "Space Grotesk";
  src: local("Space Grotesk");
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 34px 34px;
  background-attachment: fixed;
  background-position: -1px -1px;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-7);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
}

h1 {
  font-size: 1.7rem;
}

h2 {
  font-size: 1.25rem;
}

h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-2);
  line-height: 1.5;
}

small {
  font-family: var(--font-mono);
  color: var(--ink-dim);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

a {
  color: inherit;
}

#app-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-5) var(--space-4) 0;
  max-width: 640px;
  margin: 0 auto;
}

#app-header .brand {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-yellow);
}

#app-header .brand::before {
  content: "≡ ";
}

#dashboard,
#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-7);
}

.screen-enter {
  animation: fadeUp 0.32s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .screen-enter,
  button,
  .swoosh path {
    animation: none !important;
    transition: none !important;
  }
}