:root {
  color-scheme: light;
  --ink: #061f43;
  --oxford: #061f43;
  --ink-2: #0b2d5c;
  --paper: #f7f9fc;
  --panel: #ffffff;
  --line: #d8e1ef;
  --muted: #64748b;
  --blue: #0676dd;
  --sapphire: #0f6fd7;
  --green: #00a80b;
  --ok: #256d4f;
  --warn: #9c6218;
  --bad: #a33a38;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fff;
  color: #172135;
}

a { color: inherit; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
  color: #fff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  box-shadow: 0 12px 34px rgba(6,31,67,.08);
}

.brand {
  display: contents;
}

.brand-logo {
  grid-column: 1 / -1;
  grid-row: 1;
  width: min(250px, 62vw);
  height: auto;
  display: block;
  margin: 18px 24px 16px;
}

.beta-badge {
  grid-column: 1 / -1;
  grid-row: 1;
  align-self: center;
  justify-self: start;
  margin-left: 292px;
  color: var(--ink);
  border: 2px solid var(--accent);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: #fff;
}

.brand > div {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  min-height: 96px;
  background: var(--ink);
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0;
}

.brand p {
  margin: 4px 0 0;
  color: #d7e4f7;
  font-size: 14px;
}

.header-inline-link {
  color: #bfe4ff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.header-inline-link:hover {
  color: #fff;
}

nav a,
nav button {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 6px;
  background: var(--sapphire);
  box-shadow: 0 8px 18px rgba(15,111,215,.24);
  font-family: inherit;
  cursor: pointer;
}

nav {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-self: stretch;
  background: var(--ink);
  padding: 22px 24px 24px;
}

nav a:hover,
nav button:hover {
  background: #1584f5;
  border-color: rgba(255,255,255,.42);
  text-decoration: none;
}

nav .feedback-nav {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
  box-shadow: 0 8px 18px rgba(255,255,255,.12);
}

nav .feedback-nav:hover {
  background: #e8f3ff;
  color: var(--ink);
  border-color: #e8f3ff;
}

.share-message {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  max-width: min(420px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  box-shadow: 0 18px 44px rgba(6,31,67,.28);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

.share-message.visible {
  opacity: 1;
  transform: translateY(0);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .78fr);
  gap: 18px;
  padding: 18px;
  min-height: calc(100vh - 190px);
}

.choice-shell {
  padding: 18px;
  min-height: calc(100vh - 190px);
}

.hero-panel {
  min-height: 380px;
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(360px, 1fr);
  gap: 24px;
  align-items: center;
  padding: 34px;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.08;
  color: var(--ink);
}

.hero-copy p:not(.eyebrow) {
  margin: 20px 0 0;
  color: #475569;
  font-size: 17px;
  line-height: 1.6;
}

.choice-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: #fbfdff;
}

.landing-tabs-shell {
  display: grid;
  gap: 0;
}

.landing-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.landing-tabs button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink-2);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.landing-tabs button[aria-selected="true"] {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.landing-panel[hidden] {
  display: none;
}

.choice-card h3,
.security-band h3 {
  margin: 0;
  font-size: 20px;
  color: var(--ink);
}

.choice-card p {
  margin: 10px 0 18px;
  color: #526174;
  line-height: 1.6;
}

.install-status {
  margin: 8px 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.button-link.secondary {
  background: #fff;
  color: var(--ink-2);
  border-color: var(--line);
}

.feedback-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #f1c46b;
  border-radius: 6px;
  background: #fff8e8;
  color: #6f430d;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.feedback-button:hover {
  background: #ffefc2;
  text-decoration: none;
}

.choice-card .button-link + .button-link,
.choice-card .button-link + .install-status,
.choice-card button.button-link + .button-link {
  margin-left: 8px;
}

.security-band {
  margin-top: 18px;
  padding: 24px;
}

.security-band > h2 {
  font-size: 24px;
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.security-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.security-grid ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #526174;
  line-height: 1.65;
}

section {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(6,31,67,.12);
}

.section-head {
  min-height: 48px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

h2 {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

button, .file-label {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  border-radius: 6px;
  min-height: 34px;
  padding: 0 12px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

button.secondary, .file-label {
  background: #fff;
  color: var(--ink-2);
  border-color: var(--line);
}

button:disabled { opacity: .55; cursor: not-allowed; }

input[type="file"] { display: none; }

textarea {
  width: 100%;
  min-height: 34vh;
  border: 0;
  resize: vertical;
  padding: 14px;
  font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #172135;
  outline: none;
}

#corrected { min-height: 18vh; border-bottom: 1px solid var(--line); }

.options-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f8fbff;
  color: #334155;
  font-size: 13px;
}

.options-panel label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.options-panel p {
  flex-basis: 100%;
  margin: 0;
  color: var(--muted);
}

.options-panel select {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #172135;
  padding: 0 8px;
  font: inherit;
}

.formatted-output {
  min-height: 18vh;
  padding: 14px;
  white-space: pre-wrap;
  font: 15px/1.55 Georgia, "Times New Roman", serif;
  color: #172135;
  background: #fff;
}

.formatted-output em { font-style: italic; }

.generated-table {
  min-height: 12vh;
  padding: 14px;
  overflow: auto;
}

.generated-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.generated-table th,
.generated-table td {
  border: 1px solid var(--line);
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.generated-table th {
  background: #f1f6fc;
  color: var(--ink);
}

.generated-table .empty {
  color: var(--muted);
  margin: 0;
}

.terms-shell {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
}

.legal-copy {
  padding: 18px;
  line-height: 1.7;
}

.faq-copy h3 {
  margin: 22px 0 6px;
  color: var(--oxford);
  font-size: 18px;
}

.faq-copy h3:first-child {
  margin-top: 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.stat {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
}

.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }

.privacy-note {
  padding: 10px 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.format-warning {
  margin: 12px;
  padding: 12px;
  border: 1px solid #f1c46b;
  border-left: 5px solid var(--warn);
  border-radius: 6px;
  background: #fff8e8;
  color: #5c3b0d;
  font-size: 13px;
  line-height: 1.45;
}

.results {
  padding: 8px 12px 14px;
  max-height: 58vh;
  overflow: auto;
}

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

.finding:last-child { border-bottom: 0; }

.finding-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.pill {
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  background: #edf7f3;
  color: var(--ok);
  white-space: nowrap;
}

.pill.bad { background: #fff0ed; color: var(--bad); }
.pill.note { background: #f0f6ff; color: var(--sapphire); }

.citation {
  margin: 7px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.message { color: var(--warn); font-size: 13px; }
.message-list {
  margin: 8px 0 0 18px;
  padding: 0;
  color: var(--warn);
  font-size: 13px;
}
.message-list li { margin: 3px 0; }
.suggestion { margin-top: 6px; color: var(--ink-2); font-size: 13px; }

.switch-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.switch-row input {
  width: 42px;
  height: 22px;
  accent-color: var(--sapphire);
}

.switch-label {
  min-width: 24px;
  color: var(--sapphire);
}

footer {
  margin: 0 18px 18px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  background: var(--ink);
  color: #c9d6e7;
  padding: 16px 18px;
  font-size: 12px;
  line-height: 1.55;
}

footer p { margin: 0; }
footer a { color: #8bd3ff; text-decoration: none; }
footer a:hover { text-decoration: underline; }

.footer-warning {
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(241,196,107,.55);
  border-left: 5px solid #f1c46b;
  border-radius: 6px;
  background: rgba(255,248,232,.08);
  color: #fff2c9;
}

.footer-warning strong {
  color: #fff;
}

.footer-logo {
  width: 176px;
  height: auto;
  object-fit: contain;
  display: block;
  margin-bottom: 12px;
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr; }
  .brand-logo { margin: 14px 18px 12px; width: min(220px, 70vw); }
  .beta-badge { margin-left: min(252px, 74vw); padding: 6px 12px; font-size: 13px; }
  .brand > div { grid-column: 1; min-height: 88px; padding: 20px 18px 10px; }
  nav { grid-column: 1; grid-row: 3; justify-content: flex-start; padding: 10px 18px 20px; }
  .app-shell { grid-template-columns: 1fr; }
  .hero-panel { grid-template-columns: 1fr; padding: 22px; }
  .security-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}