:root {
  color-scheme: light;
  --bg: #f4efe6;
  --surface: rgba(255, 252, 247, 0.88);
  --surface-strong: #fffaf2;
  --text: #182224;
  --muted: #5e676a;
  --line: rgba(24, 34, 36, 0.1);
  --accent: #0d4a57;
  --accent-soft: #d7ebe7;
  --accent-warm: #e58d34;
  --shadow: 0 24px 60px rgba(13, 35, 38, 0.12);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua",
    Georgia, serif;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background:
    radial-gradient(circle at top left, rgba(229, 141, 52, 0.22), transparent 32%),
    radial-gradient(circle at top right, rgba(13, 74, 87, 0.18), transparent 28%),
    linear-gradient(180deg, #f6f1e8 0%, #efe3d4 100%);
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
}

button,
textarea,
input {
  font: inherit;
}

.app-shell {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 28px 24px;
  border-radius: 32px;
  background:
    linear-gradient(145deg, rgba(13, 74, 87, 0.95), rgba(23, 111, 112, 0.86)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent);
  color: #f8faf9;
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -40px -65px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(229, 141, 52, 0.26);
  filter: blur(4px);
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.78;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 10vw, 4.3rem);
  line-height: 0.95;
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(100%, 34rem);
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.55;
}

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 18px;
}

.content-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 24px rgba(24, 34, 36, 0.06);
}

.panel-highlight {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.44), rgba(255, 255, 255, 0.68)),
    var(--surface);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 1.05rem;
}

.overview-cards,
.stack,
.checklist {
  display: grid;
  gap: 12px;
}

.overview-cards {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.overview-card {
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid rgba(13, 74, 87, 0.08);
}

.overview-card .label,
.detail-list-label,
.item-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.overview-card .value {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
}

.item-card {
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid rgba(24, 34, 36, 0.08);
}

.item-card h3,
.item-card h4 {
  margin: 0;
  font-size: 0.98rem;
}

.item-card p {
  margin: 8px 0 0;
  line-height: 1.5;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 600;
}

.tag.warm {
  background: rgba(229, 141, 52, 0.18);
  color: #97520c;
}

.detail-row {
  display: grid;
  gap: 4px;
}

.checklist-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid rgba(24, 34, 36, 0.08);
}

.checklist-item input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.checklist-item .title {
  display: block;
  font-weight: 700;
}

.checklist-item .description {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.notes-label,
.notes-status {
  color: var(--muted);
  font-size: 0.9rem;
}

.resource-card {
  display: grid;
  gap: 12px;
}

.resource-links {
  display: grid;
  gap: 10px;
}

.resource-link {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(13, 74, 87, 0.05);
  border: 1px solid rgba(13, 74, 87, 0.1);
  color: inherit;
  text-decoration: none;
}

.resource-link:hover {
  background: rgba(13, 74, 87, 0.08);
}

.resource-link-title {
  color: var(--accent);
  font-weight: 700;
}

.resource-link-note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

textarea {
  width: 100%;
  margin-top: 10px;
  padding: 14px;
  border: 1px solid rgba(24, 34, 36, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  resize: vertical;
  min-height: 180px;
}

textarea:focus {
  outline: 2px solid rgba(13, 74, 87, 0.24);
  border-color: rgba(13, 74, 87, 0.4);
}

.secondary-button,
.ghost-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
}

.secondary-button {
  background: #f8f4ea;
  color: var(--accent);
  font-weight: 700;
}

.ghost-button {
  background: transparent;
  color: var(--muted);
  border: 1px solid rgba(24, 34, 36, 0.12);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #f1f7f6;
  font-size: 0.88rem;
}

.empty-state {
  color: var(--muted);
  font-style: italic;
}

@media (min-width: 780px) {
  .content-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #overviewPanel,
  #resourcePanel,
  #quickNotesPanel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .app-shell {
    padding-inline: 12px;
  }

  .hero {
    padding: 24px 18px;
    border-radius: 24px;
  }

  .panel {
    padding: 16px;
    border-radius: 20px;
  }
}