:root {
  color-scheme: light;
  --ink: #18202a;
  --muted: #5f6d7a;
  --line: #d8dee6;
  --surface: #ffffff;
  --soft: #f4f7fa;
  --accent: #176b5d;
  --accent-strong: #0f5147;
  --warning: #a14c10;
  --danger: #b23636;
  --shadow: 0 16px 45px rgba(32, 44, 58, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #eef3f7 0%, #f8fafb 42%, #ffffff 100%);
}

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

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  padding: 40px clamp(20px, 6vw, 72px) 18px;
  align-items: flex-end;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.intro {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.6;
}

.score-panel {
  width: min(260px, 100%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.score-label,
#readinessMessage {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

#readinessScore {
  display: block;
  margin: 8px 0;
  font-size: 2.6rem;
}

.app-shell {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 24px;
  padding: 0 clamp(20px, 6vw, 72px) 28px;
}

.project-switcher {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto auto auto;
  gap: 12px;
  align-items: end;
  margin: 0 clamp(20px, 6vw, 72px) 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px rgba(32, 44, 58, 0.08);
}

.sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  display: grid;
  gap: 8px;
}

.nav-button,
.primary-button,
.secondary-button,
.danger-button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
}

.nav-button {
  text-align: left;
  color: var(--muted);
  background: transparent;
  padding: 10px 14px;
}

.nav-button.active {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
  box-shadow: 0 8px 24px rgba(32, 44, 58, 0.08);
}

.workspace {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.view {
  display: none;
  padding: clamp(22px, 4vw, 40px);
}

.view.active {
  display: block;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.55rem, 3vw, 2.4rem);
  letter-spacing: 0;
}

.field-grid,
.list-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  line-height: 1.4;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 3px solid rgba(23, 107, 93, 0.18);
  border-color: var(--accent);
}

.span-two {
  grid-column: 1 / -1;
}

.feature-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px 96px;
  gap: 14px;
  align-items: end;
  margin-bottom: 24px;
}

.primary-button {
  color: #fff;
  background: var(--accent);
}

.primary-button:hover {
  background: var(--accent-strong);
}

.secondary-button {
  color: var(--accent-strong);
  border-color: var(--accent);
  background: #fff;
}

.danger-button {
  color: #fff;
  background: var(--danger);
}

.list-columns article,
.interview-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
}

.item-list,
.timeline,
.interview-panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.item-list li,
.timeline li,
.checklist label {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #fff;
  font-weight: 600;
}

.remove-button {
  flex: 0 0 auto;
  border: 0;
  color: var(--danger);
  background: transparent;
  cursor: pointer;
  font-weight: 900;
}

.output-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 14px;
}

.output-box {
  min-height: 520px;
  overflow: auto;
  white-space: pre-wrap;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #111820;
  color: #e8eef3;
  line-height: 1.55;
}

.prompt-entry {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.timeline li {
  display: block;
}

.timeline strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent-strong);
}

.checklist {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.checklist label {
  justify-content: flex-start;
  align-items: center;
}

.checklist input {
  width: 18px;
  height: 18px;
}

.interview-panel li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.interview-panel li:last-child {
  border-bottom: 0;
}

.app-footer {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px clamp(20px, 6vw, 72px);
  border-top: 1px solid var(--line);
  background: #fff;
}

#saveStatus {
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 840px) {
  .app-header {
    display: grid;
  }

  .project-switcher {
    grid-template-columns: 1fr 1fr;
  }

  .project-switcher label {
    grid-column: 1 / -1;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow-x: auto;
  }

  .nav-button {
    text-align: center;
  }

  .field-grid,
  .list-columns,
  .feature-entry {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .app-header {
    padding-top: 24px;
  }

  .sidebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .project-switcher {
    grid-template-columns: 1fr;
  }

  .project-switcher label {
    grid-column: auto;
  }
}