:root {
  --ink: #14201c;
  --ink-2: #1e2e28;
  --fog: #d7e0d4;
  --paper: #f3efe4;
  --amber: #d4a24c;
  --amber-deep: #b07d28;
  --line: rgba(243, 239, 228, 0.14);
  --danger: #c45c4a;
  --ok: #6faa7a;
  --font-display: "Syne", sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--font-serif);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(212, 162, 76, 0.22), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(111, 170, 122, 0.12), transparent 50%),
    linear-gradient(165deg, #101814 0%, #1a2923 42%, #0f1714 100%);
}
.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.25rem 1.5rem 0;
  max-width: 920px;
  margin: 0 auto;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  letter-spacing: -0.04em;
  line-height: 0.9;
  background: linear-gradient(120deg, var(--paper) 20%, var(--amber) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: brandIn 0.9s ease both;
}

.meta {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  opacity: 0.65;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

.hero {
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1.1rem;
  padding-top: 1.25rem;
  animation: rise 0.8s ease both;
}

.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.5vw, 2.7rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.lede {
  margin: 0;
  max-width: 46ch;
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--fog);
  opacity: 0.9;
}

.howto {
  margin: 0.25rem 0 0.5rem;
  padding: 0.9rem 1rem 0.9rem 1.6rem;
  border: 1px solid var(--line);
  background: rgba(20, 32, 28, 0.45);
  color: var(--fog);
  font-size: 1.02rem;
  line-height: 1.45;
  max-width: 52ch;
}
.howto li { margin: 0.25rem 0; }
.howto strong { color: var(--paper); font-family: var(--font-display); font-weight: 700; }

.check em {
  font-style: normal;
  opacity: 0.65;
  font-size: 0.8rem;
}

.next-hint {
  margin: 0.15rem 0 0;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--fog);
  opacity: 0.85;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.field span,
.beats-head p,
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.field textarea,
.field input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(20, 32, 28, 0.55);
  color: var(--paper);
  border-radius: 2px;
  padding: 0.9rem 1rem;
  font: inherit;
  font-size: 1.15rem;
  line-height: 1.4;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field textarea:focus,
.field input:focus {
  border-color: rgba(212, 162, 76, 0.7);
  box-shadow: 0 0 0 3px rgba(212, 162, 76, 0.12);
}

.field.slim { margin-top: 0.75rem; }
.field.slim input { font-size: 1rem; padding: 0.65rem 0.8rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.35rem;
}

.btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  padding: 0.8rem 1.2rem;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); border-color: rgba(243, 239, 228, 0.35); }
.btn:disabled { opacity: 0.45; cursor: wait; transform: none; }

.btn.primary {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-deep) 100%);
  color: #1a1408;
  border-color: transparent;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  opacity: 0.8;
}

.run-status, .save-note {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--amber);
}

.run-status.error, .save-note.warn { color: var(--danger); }

.studio {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  animation: rise 0.6s ease both;
}

.studio-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.studio-head h2 {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.badges { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.badge {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.badge.ok { color: var(--ok); border-color: rgba(111, 170, 122, 0.45); }
.badge.bad { color: var(--danger); border-color: rgba(196, 92, 74, 0.45); }

.beats-head { margin: 1.5rem 0 0.75rem; }
.beats-head h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.beats-head p { margin: 0; text-transform: none; letter-spacing: 0; opacity: 0.7; font-size: 0.95rem; font-family: var(--font-serif); }

.beats { display: flex; flex-direction: column; gap: 0.85rem; }

.beat {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  animation: rise 0.45s ease both;
}

.beat-id {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
  padding-top: 0.35rem;
}

.beat label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.45rem;
}

.beat label span {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.55;
}

.beat input, .beat textarea {
  width: 100%;
  border: 1px solid transparent;
  border-bottom-color: var(--line);
  background: transparent;
  color: var(--paper);
  font: inherit;
  font-size: 1.05rem;
  padding: 0.25rem 0;
  outline: none;
  resize: vertical;
}

.beat input:focus, .beat textarea:focus {
  border-bottom-color: var(--amber);
}

.wc {
  font-family: var(--font-display);
  font-size: 0.7rem;
  opacity: 0.55;
}
.wc.bad { color: var(--danger); opacity: 1; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

@keyframes brandIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.dev-block {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  animation: rise 0.7s ease 0.1s both;
}

.dev-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.dev-lede {
  margin: 0;
  color: var(--fog);
  opacity: 0.88;
  max-width: 52ch;
  line-height: 1.4;
}

.dev-block input[type="file"] {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--fog);
}

.dev-report {
  margin-top: 0.35rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--fog);
  line-height: 1.45;
  animation: rise 0.5s ease both;
}

.dev-report h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--paper);
}

.dev-report ul {
  margin: 0.35rem 0 0.85rem;
  padding-left: 1.15rem;
}

.dev-report .concept-box {
  margin: 0.5rem 0 0;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--amber);
  background: rgba(20, 32, 28, 0.5);
  color: var(--paper);
}

@media (max-width: 640px) {
  .beat { grid-template-columns: 1fr; }
  .hero { padding-top: 1.5rem; }
}