:root {
  color-scheme: dark;
  --color-bg: #080808;
  --color-bg-card: rgba(255, 255, 255, 0.035);
  --color-bg-card-strong: rgba(255, 255, 255, 0.06);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(96, 165, 250, 0.32);
  --color-accent: #2563eb;
  --color-accent-light: #60a5fa;
  --color-accent-deep: #1d4ed8;
  --color-text: #e2e8f0;
  --color-text-sub: #94a3b8;
  --color-text-heading: #ffffff;
  --color-code-bg: #0f172a;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #38bdf8;
  --font-sans: 'Zen Kaku Gothic Antique', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mobile-width: 390px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 25px 80px rgba(0, 0, 0, 0.52);
  --glow-accent: 0 0 30px rgba(37, 99, 235, 0.16);
  --glow-text: 0 0 36px rgba(37, 99, 235, 0.28);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button {
  cursor: pointer;
}

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

p {
  margin-bottom: 1.35em;
}

.desktop-bg {
  display: none;
}

.app-shell {
  min-height: 100vh;
  padding: 0;
}

.workspace {
  width: min(var(--mobile-width), 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px 16px 34px;
  background: var(--color-bg);
}

.brand-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 4px 2px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-heading);
  text-decoration: none;
}

.brand-logo img {
  display: block;
  width: 104px;
  height: auto;
}

.brand-strip p {
  margin: 0;
  color: var(--color-text-heading);
  font-size: 0.86rem;
  font-weight: 700;
  text-shadow: var(--glow-text);
}

.topbar,
.howto-panel,
.failure-strip article,
.signal-strip div,
.panel,
.results,
.summary-box,
.agent-note,
.missing-box,
.brief-box,
.metric {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-card);
  box-shadow: var(--glow-accent);
}

.topbar {
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  padding: 24px 20px 20px;
}

.topbar::before,
.howto-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  content: "";
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--color-accent-light);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--color-text-heading);
  font-size: clamp(1.65rem, 9vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  text-shadow: var(--glow-text);
}

h2 {
  margin-bottom: 8px;
  color: var(--color-text-heading);
  font-size: 1.22rem;
  line-height: 1.35;
}

.lead {
  margin: 14px 0 0;
  color: var(--color-text-sub);
  font-size: 0.93rem;
  font-weight: 500;
  line-height: 1.85;
}

.status-pill {
  display: none;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 0 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-accent-light);
  font-size: 0.86rem;
  font-weight: 700;
}

.howto-panel {
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  padding: 20px;
}

.section-head p:last-child {
  margin-bottom: 0;
  color: var(--color-text-sub);
  font-size: 0.88rem;
  line-height: 1.75;
}

.howto-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.howto-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
}

.howto-list span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.18);
  color: var(--color-accent-light);
  font-size: 0.78rem;
  font-weight: 700;
}

.howto-list strong {
  display: block;
  margin-bottom: 3px;
  color: var(--color-text-heading);
  font-size: 0.96rem;
  line-height: 1.45;
}

.howto-list p {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 0.84rem;
  line-height: 1.65;
}

.failure-strip,
.signal-strip,
.layout,
.results,
.controls,
.metric-grid {
  display: grid;
  gap: 12px;
}

.failure-strip,
.signal-strip {
  margin-bottom: 16px;
}

.failure-strip article,
.signal-strip div {
  padding: 16px;
}

.failure-strip article {
  box-shadow: none;
}

.failure-strip span {
  display: block;
  margin-bottom: 7px;
  color: var(--danger);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.failure-strip strong,
.signal-strip strong {
  display: block;
  color: var(--color-text-heading);
  font-weight: 700;
  line-height: 1.45;
}

.failure-strip strong {
  margin-bottom: 4px;
  font-size: 1rem;
}

.failure-strip p,
.signal-strip span {
  display: block;
  margin: 0;
  color: var(--color-text-sub);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.65;
}

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

.signal-strip div {
  min-width: 0;
  min-height: 104px;
  border-color: rgba(37, 99, 235, 0.14);
}

.signal-strip strong {
  margin-bottom: 4px;
  color: var(--color-accent-light);
}

.layout {
  grid-template-columns: 1fr;
  align-items: start;
}

.results:not(.is-complete) {
  display: none;
}

.panel,
.results {
  overflow: hidden;
  box-shadow: var(--glow-accent);
}

.controls,
.results {
  padding: 18px;
}

.wizard-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.wizard-head h2 {
  margin-bottom: 6px;
}

.wizard-head p:last-child {
  margin-bottom: 0;
  color: var(--color-text-sub);
  font-size: 0.86rem;
  line-height: 1.7;
}

.step-counter {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-accent-light);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.step-progress {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.step-dot {
  display: grid;
  min-height: 58px;
  align-content: center;
  gap: 2px;
  padding: 7px 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text-sub);
  font-size: 0.72rem;
  line-height: 1.2;
}

.step-dot span {
  color: inherit;
  font-size: 0.68rem;
  font-weight: 700;
}

.step-dot.is-active,
.step-dot.is-done {
  border-color: var(--color-border-strong);
  background: rgba(37, 99, 235, 0.14);
  color: var(--color-accent-light);
}

.step-dot:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

fieldset {
  display: grid;
  gap: 13px;
  min-width: 0;
  margin: 0;
  padding: 0 0 18px;
  border: 0;
  border-bottom: 1px solid var(--color-border);
}

fieldset:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

fieldset.step-card {
  min-height: 300px;
  padding-bottom: 0;
  border-bottom: 0;
}

fieldset.step-card:not(.is-active) {
  display: none;
}

fieldset.step-card > legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

legend {
  margin-bottom: 2px;
  color: var(--color-accent-light);
  font-size: 0.82rem;
  font-weight: 700;
}

.step-help {
  margin: -4px 0 0;
  color: var(--color-text-sub);
  font-size: 0.86rem;
  line-height: 1.7;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.preset-row button,
.secondary-btn {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.035);
  color: var(--color-accent-light);
}

.preset-row button {
  min-height: 34px;
  padding: 0 12px;
  font-size: 0.78rem;
}

label {
  display: grid;
  gap: 7px;
  color: var(--color-text-sub);
  font-size: 0.84rem;
  font-weight: 500;
}

input[type="text"],
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: 0;
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  font-weight: 500;
}

input[type="text"],
select {
  min-height: 44px;
  padding: 0 12px;
}

textarea {
  padding: 12px;
  resize: vertical;
  line-height: 1.6;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.check-grid {
  display: grid;
  gap: 8px;
}

.check-grid label {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-height: 40px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text);
  line-height: 1.45;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

.score-band {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: rgba(37, 99, 235, 0.12);
}

.score-band span {
  display: block;
  color: var(--color-text-sub);
  font-size: 0.78rem;
  font-weight: 700;
}

.score-band strong {
  display: block;
  margin-top: 3px;
  color: var(--color-text-heading);
  font-size: 1.55rem;
  line-height: 1.2;
  text-shadow: var(--glow-text);
}

.score-ring {
  display: flex;
  align-items: baseline;
  justify-content: center;
  justify-self: start;
  min-width: 88px;
  min-height: 88px;
  border: 6px solid rgba(96, 165, 250, 0.36);
  border-radius: 999px;
  background: rgba(8, 8, 8, 0.42);
  color: var(--color-accent-light);
  font-weight: 700;
}

.score-ring output {
  font-size: 1.7rem;
}

.summary-box,
.agent-note,
.missing-box {
  padding: 16px;
}

.summary-box h2,
.missing-box h2,
.brief-box h2 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.summary-box p,
.agent-note p,
.missing-box li {
  margin-bottom: 0;
  color: var(--color-text-sub);
  font-size: 0.88rem;
  line-height: 1.75;
}

.agent-note span {
  display: block;
  margin-bottom: 4px;
  color: var(--color-text-sub);
  font-size: 0.76rem;
  font-weight: 700;
}

.agent-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent-light);
  font-size: 1.08rem;
  line-height: 1.35;
}

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

.metric {
  min-width: 0;
  padding: 14px;
  box-shadow: none;
}

.metric span {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text-sub);
  font-size: 0.74rem;
  font-weight: 700;
}

.metric strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--color-text-heading);
  font-size: 1.14rem;
  line-height: 1.25;
}

.missing-box ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 1.2rem;
}

.brief-box {
  overflow: hidden;
}

.brief-head {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.brief-head p {
  margin-bottom: 0;
  color: var(--color-text-sub);
  font-size: 0.84rem;
  line-height: 1.6;
}

button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-text-heading);
  font-weight: 700;
  padding: 0 16px;
  transition: background 0.2s ease, transform 0.2s ease;
}

button:hover {
  background: var(--color-accent-deep);
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

button[hidden] {
  display: none;
}

.preset-row button:hover,
.secondary-btn:hover {
  background: rgba(37, 99, 235, 0.14);
}

.wizard-actions {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.wizard-actions.is-first {
  grid-template-columns: 1fr;
}

.wizard-actions button {
  min-height: 52px;
  font-size: 0.98rem;
}

.locked-brief {
  display: grid;
  gap: 4px;
  padding: 22px 16px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.74);
}

.locked-brief strong {
  color: var(--color-text-heading);
  font-size: 1rem;
}

.locked-brief p {
  margin-bottom: 0;
  color: var(--color-text-sub);
  font-size: 0.86rem;
  line-height: 1.7;
}

.locked-brief[hidden] {
  display: none;
}

.brief-box.is-locked #briefOutput,
.brief-box.is-locked .copy-status {
  display: none;
}

#briefOutput {
  min-height: 520px;
  border: 0;
  border-radius: 0;
  background: var(--color-code-bg);
  color: var(--color-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.copy-status {
  min-height: 22px;
  margin: 0;
  padding: 0 16px 14px;
  color: var(--color-accent-light);
  font-size: 0.84rem;
  font-weight: 500;
}

.is-risky .score-band {
  border-color: rgba(251, 191, 36, 0.34);
  background: rgba(251, 191, 36, 0.1);
}

.is-risky .score-band strong,
.is-risky .score-ring {
  color: var(--warn);
}

.is-stop .score-band {
  border-color: rgba(248, 113, 113, 0.34);
  background: rgba(248, 113, 113, 0.1);
}

.is-stop .score-band strong,
.is-stop .score-ring {
  color: var(--danger);
}

@media (min-width: 900px) {
  body {
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    background: #000;
  }

  .desktop-bg {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url('https://aoi-ei.com/wp-content/uploads/2026/04/aoi-ei-cover-scaled.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }

  .desktop-bg::after {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.58);
    content: "";
  }

  .app-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding: 48px 32px;
  }

  .workspace {
    width: min(1180px, 100%);
    min-height: auto;
    margin: 0 auto;
    overflow: visible;
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    background: rgba(8, 8, 8, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow:
      0 25px 80px rgba(0, 0, 0, 0.62),
      0 0 120px rgba(37, 99, 235, 0.08);
  }

  .brand-strip {
    margin-bottom: 24px;
    padding: 0;
  }

  .brand-logo img {
    width: 124px;
  }

  .brand-strip p {
    font-size: 0.95rem;
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 28px;
    margin-bottom: 18px;
    padding: 34px 32px 30px;
  }

  h1 {
    max-width: 820px;
    font-size: clamp(2.6rem, 4.7vw, 4.7rem);
    line-height: 1.08;
  }

  h2 {
    font-size: 1.35rem;
  }

  .lead {
    max-width: 780px;
    font-size: 1rem;
  }

  .status-pill {
    margin-top: 0;
    white-space: nowrap;
  }

  .howto-panel {
    margin-bottom: 18px;
    padding: 24px;
  }

  .howto-panel .section-head {
    display: grid;
    grid-template-columns: minmax(240px, 0.45fr) minmax(0, 1fr);
    gap: 22px;
    align-items: end;
  }

  .howto-panel .section-head .eyebrow {
    grid-column: 1 / -1;
  }

  .howto-panel .section-head p:last-child {
    font-size: 0.92rem;
  }

  .howto-list {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
  }

  .howto-list li {
    grid-template-columns: 38px minmax(0, 1fr);
    min-height: 138px;
  }

  .failure-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .failure-strip article {
    min-height: 146px;
  }

  .signal-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .signal-strip div {
    min-height: 116px;
  }

  .layout {
    max-width: 620px;
    margin: 0 auto;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .layout.is-complete {
    max-width: none;
    grid-template-columns: minmax(330px, 430px) minmax(0, 1fr);
  }

  .controls,
  .results {
    padding: 20px;
  }

  .results {
    align-self: start;
  }

  .score-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 18px;
  }

  .score-ring {
    justify-self: end;
  }

  .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .brief-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  #briefOutput {
    min-height: 580px;
  }
}

@media (max-width: 360px) {
  .workspace {
    padding-right: 12px;
    padding-left: 12px;
  }

  .signal-strip,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.55rem;
  }
}