md2semble / src / app.css

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,300;6..72,500;6..72,700&display=swap");

:root {
  color-scheme: light;
  font-family: "Newsreader", "Times New Roman", serif;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --color-ink: #12100f;
  --color-ink-muted: #4c433f;
  --color-paper: #fdf7ef;
  --color-amber: #f28c28;
  --color-olive: #3d4a2f;
  --color-clay: #c9562a;
  --color-moss: #b7c59b;
  --color-cream: #f4f0e8;
  --color-border: rgba(18, 16, 15, 0.12);
  --shadow-soft: 0 20px 50px rgba(18, 16, 15, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, rgba(242, 140, 40, 0.2), transparent 45%),
    radial-gradient(circle at 90% 0%, rgba(61, 74, 47, 0.18), transparent 55%),
    linear-gradient(135deg, #fbf3e6 0%, #f7efe3 45%, #f4eadb 100%);
  color: var(--color-ink);
}

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

#app {
  min-height: 100vh;
  display: flex;
  justify-content: center;
}

.app-shell {
  width: min(1200px, 100%);
  padding: 40px 24px 80px;
  display: grid;
  gap: 24px;
  position: relative;
}

.hero {
  display: grid;
  gap: 12px;
  padding: 32px 28px;
  border-radius: 28px;
  background: var(--color-paper);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.brand {
  display: grid;
  gap: 12px;
  justify-items: center;
}

.brand-logo {
  width: min(360px, 100%);
  height: auto;
  border-radius: 18px;
  background: #ffffff;
  padding: 12px 16px;
  box-shadow: 0 12px 24px rgba(18, 16, 15, 0.14);
}

.hero::after {
  content: none;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin: 0;
}

.hero p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  max-width: 680px;
}

.stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.card {
  background: var(--color-paper);
  border-radius: 22px;
  padding: 20px;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 30px rgba(18, 16, 15, 0.08);
  display: grid;
  gap: 12px;
}

.card h2 {
  font-family: var(--font-display);
  margin: 0;
  font-size: 1.3rem;
}

.field {
  display: grid;
  gap: 6px;
}

label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

input,
textarea,
select {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(18, 16, 15, 0.2);
  background: #fff9f2;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-amber);
  box-shadow: 0 0 0 3px rgba(242, 140, 40, 0.2);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

button {
  border: none;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--color-olive);
  color: var(--color-cream);
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(61, 74, 47, 0.25);
}

button.secondary {
  background: transparent;
  color: var(--color-olive);
  border: 1px solid rgba(61, 74, 47, 0.35);
}

button.ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px dashed rgba(18, 16, 15, 0.2);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(61, 74, 47, 0.1);
  color: var(--color-olive);
  font-family: var(--font-display);
  font-size: 0.8rem;
}

.list {
  display: grid;
  gap: 12px;
}

.list-item {
  padding: 12px;
  border-radius: 14px;
  background: #fff9f2;
  border: 1px solid rgba(18, 16, 15, 0.08);
  display: grid;
  gap: 6px;
}

.list-item strong {
  font-family: var(--font-display);
}

.details {
  margin-top: 12px;
}

.details > summary {
  cursor: pointer;
  font-family: var(--font-display);
  list-style: none;
}

.details > summary::-webkit-details-marker {
  display: none;
}

.list-item .code-block {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(18, 16, 15, 0.06);
  font-size: 0.78rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.notice {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(242, 140, 40, 0.12);
  color: var(--color-ink);
}


.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.stagger > * {
  opacity: 0;
  transform: translateY(6px);
  animation: fadeUp 0.6s ease forwards;
}

.stagger > *:nth-child(1) {
  animation-delay: 0.05s;
}

.stagger > *:nth-child(2) {
  animation-delay: 0.12s;
}

.stagger > *:nth-child(3) {
  animation-delay: 0.18s;
}

.stagger > *:nth-child(4) {
  animation-delay: 0.24s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}