:root {
  --ink: #1c140c;
  --paper: #f6ead4;
  --drum: #3a2414;
  --drum-deep: #24160c;
  --amber: #e8a23a;
  --amber-deep: #c47d14;
  --card: #fff6e6;
  --muted: #7a6146;
  --alert: #9b2c2c;
  --notice: #2f6b3a;
  --shadow: 0 18px 40px rgba(28, 20, 12, 0.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, #5a3820 0%, var(--drum-deep) 42%, #140c08 100%);
  color: var(--paper);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

body {
  line-height: 1.5;
}

a { color: inherit; }

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto 64px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 0 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-mark {
  color: var(--amber);
  font-size: 1.4rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.nav a, .text-button, .nav-cta {
  text-decoration: none;
  color: var(--paper);
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.nav-cta, .plan-pill {
  border: 1px solid var(--amber);
  border-radius: 999px;
  padding: 4px 12px;
}

.plan-pill {
  color: var(--amber);
  font-size: 0.85rem;
}

.flash {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 246, 230, 0.12);
}

.flash-notice { color: #b7e0be; }
.flash-alert { color: #f0b4b4; }

.hero, .auth {
  margin: 28px 0 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--amber);
  font-size: 0.78rem;
  margin-bottom: 8px;
}

h1, h2 {
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 12px;
}

.lede, .meter, .empty, .toolbar-label {
  color: rgba(246, 234, 212, 0.82);
}

.composer, .drum, .auth-form, .plan-card, .idea-card {
  background: rgba(255, 246, 230, 0.08);
  border: 1px solid rgba(232, 162, 58, 0.2);
  box-shadow: var(--shadow);
}

.composer, .auth-form, .plan-card {
  padding: 18px;
  border-radius: 20px;
}

.composer-form, .auth-form {
  display: grid;
  gap: 12px;
}

input, textarea, .button, .button-ghost {
  font: inherit;
}

input, textarea {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--card);
  color: var(--ink);
}

.composer-row, .toolbar, .idea-actions, .plans {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button, .button-ghost {
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
}

.button {
  background: var(--amber);
  color: var(--ink);
  border: 0;
  font-weight: 700;
}

.button-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(246, 234, 212, 0.35);
}

.toolbar {
  margin: 28px 0 12px;
}

.drum {
  min-height: 280px;
  border-radius: 999px;
  padding: 36px 28px;
  background:
    radial-gradient(circle at 50% 20%, rgba(232, 162, 58, 0.16), transparent 36%),
    radial-gradient(circle at 50% 80%, #1a0f09, var(--drum));
}

.drum-tumble {
  animation: tumble 0.7s ease;
}

@keyframes tumble {
  0% { transform: rotate(0deg); }
  40% { transform: rotate(6deg) scale(0.99); }
  100% { transform: rotate(0deg); }
}

.idea-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.idea-card {
  border-radius: 18px;
  padding: 14px;
  background: var(--card);
  color: var(--ink);
}

.idea-card-fresh { outline: 2px solid var(--amber); }
.idea-card-built { opacity: 0.92; }

.idea-select {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.idea-body {
  display: grid;
  gap: 6px;
}

.idea-body strong { font-size: 1.05rem; }

.idea-actions .text-button,
.idea-actions .button-ghost {
  color: var(--muted);
}

.idea-card.is-selected {
  box-shadow: 0 0 0 3px var(--amber-deep);
}

.form-error { color: #f0b4b4; }

.auth {
  max-width: 420px;
}

.plans {
  align-items: stretch;
}

.plan-card {
  flex: 1 1 220px;
}

.plan-card-paid {
  border-color: var(--amber);
}

.plan-card ul {
  padding-left: 18px;
}

.empty {
  text-align: center;
  margin: 48px 16px;
}

@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .drum { border-radius: 48px; padding: 22px 14px; }
}