:root {
  color-scheme: light;
  --background: #f9fafb;
  --text-primary: #18181b;
  --text-secondary: #3f3f46;
  --accent: #1f2937;
  --card-background: rgba(255, 255, 255, 0.85);
  --border: rgba(17, 24, 39, 0.08);
  --shadow: 0 24px 45px rgba(15, 23, 42, 0.08), 0 12px 24px rgba(15, 23, 42, 0.05);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.12), transparent 45%),
    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.14), transparent 40%), var(--background);
  color: var(--text-primary);
  font-family: "Urbanist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: 4rem 1.5rem 7rem;
}

.hero {
  max-width: 720px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3rem);
  margin: 0 0 0.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 auto;
  max-width: 580px;
  line-height: 1.6;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.hero code {
  font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: rgba(17, 24, 39, 0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 0.35rem;
}

.hero--summary .intro {
  max-width: 720px;
  margin: 0 auto;
}

.hero--summary a {
  color: #0d9488;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.summary-wrapper {
  width: min(95vw, 760px);
}

.summary-card {
  background: var(--card-background);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  padding: 1.5rem;
}

.summary-tabs {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.summary-tab {
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--text-primary);
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms ease;
}

.summary-tab.is-active {
  background: #0f172a;
  color: #f8fafc;
  border-color: #0f172a;
}

.summary-panels {
  padding: 0.75rem 0.5rem 0;
}

.summary-panel {
  display: none;
}

.summary-panel.is-active {
  display: block;
}

.summary-description {
  margin: 0 0 0.75rem;
  color: var(--text-secondary);
}

.summary-content {
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  line-height: 1.6;
  color: var(--accent);
  white-space: pre-wrap;
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-start;
}

.summary-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: 0.75rem;
  background: linear-gradient(120deg, #0f172a, #0f766e);
  color: #f8fafc;
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.summary-download:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
}

.summary-message {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.terminal-wrapper {
  width: min(95vw, 720px);
}

.terminal {
  background: var(--card-background);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.95), rgba(15, 118, 110, 0.9));
  color: #f8fafc;
  font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.terminal-title {
  margin-left: auto;
  opacity: 0.75;
}

.dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  display: inline-block;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.1);
}

.dot--red {
  background: #f87171;
}

.dot--amber {
  background: #facc15;
}

.dot--green {
  background: #4ade80;
}

.terminal-output {
  padding: 2rem 2rem 1rem;
  min-height: 240px;
  max-height: 420px;
  overflow-y: auto;
  font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--accent);
}

.terminal-entry {
  margin-bottom: 1.25rem;
  animation: fade-in 210ms ease-out forwards;
  opacity: 0;
  text-indent: 0;
  white-space: pre-wrap;
}

.terminal-entry--input {
  color: rgba(15, 23, 42, 0.9);
}

.terminal-entry--output {
  color: var(--accent);
}

.terminal-entry--error {
  color: #dc2626;
}

.terminal-entry--ai {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(16, 185, 129, 0.06));
  border-left: 3px solid #6366f1;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-left: -0.5rem;
}

.terminal-entry--spinner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-style: italic;
}

.spinner-icon {
  width: 1rem;
  display: inline-block;
  color: #6366f1;
  text-align: center;
}

.terminal-entry a {
  color: #0d9488;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 150ms ease;
}

.terminal-entry a:hover {
  color: #14b8a6;
}

.terminal-entry:last-child {
  margin-bottom: 0;
}

#terminal-form,
.terminal-form {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  padding: 1rem 1.8rem 1.75rem;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(248, 250, 252, 0.85);
}

.terminal-prompt {
  font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.8);
  flex-shrink: 0;
}

#command-input {
  width: 100%;
  min-width: 0;
  max-width: none;
  border: none;
  background: transparent;
  font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95rem;
  color: var(--accent);
  outline: none;
}

#command-input::placeholder {
  color: rgba(15, 23, 42, 0.4);
}

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

@media (max-width: 600px) {
  .page-shell {
    padding: 3rem 1rem 4rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .terminal-header {
    padding: 0.85rem 1.1rem;
  }

  .terminal-output {
    padding: 1.5rem 1.25rem 0.75rem;
  }

  .terminal-form {
    padding: 0.9rem 1.1rem 1.4rem;
  }
}

.source-link {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  color: var(--text-secondary);
  padding: 0.35rem;
  z-index: 2;
}

.source-link a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  text-decoration: none;
  font-weight: 400;
  opacity: 0.9;
}

.source-link a:hover .source-link__text {
  color: var(--accent);
}

.source-link__icon svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

@media (max-height: 700px) {
  .source-link {
    position: static;
    transform: none;
    align-self: flex-end;
    margin-top: 1.5rem;
    padding: 0.35rem;
  }
}