:root {
  color-scheme: light;
  --bg: #edf3f3;
  --bg-deep: #0d383c;
  --bg-deeper: #08292d;
  --panel: #ffffff;
  --panel-soft: #f7fbfb;
  --text: #173033;
  --muted: #627275;
  --line: #d8e2e1;
  --primary: #155d60;
  --primary-dark: #0d474b;
  --gold: #c9a15a;
  --gold-soft: #f4ead6;
  --warning: #fff7e8;
  --warning-line: #e5cc97;
  --shadow: 0 18px 48px rgba(10, 38, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 0;
  background:
    radial-gradient(circle at top left, rgba(201, 161, 90, 0.12), transparent 28%),
    linear-gradient(180deg, #f5f8f8 0%, var(--bg) 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  background:
    linear-gradient(135deg, rgba(201, 161, 90, 0.12), transparent 40%),
    linear-gradient(135deg, var(--bg-deeper), var(--bg-deep));
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner,
.page-shell,
.risk-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 34px 0;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.brand-icon {
  width: 92px;
  height: 92px;
  border-radius: 24px;
  object-fit: cover;
  flex: 0 0 auto;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--gold-soft);
  font-size: 14px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
}

.brand-copy {
  margin: 8px 0 0;
  color: #d7e6e5;
  font-size: 17px;
}

.header-side {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.version-badge,
.config-badge {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border-radius: 999px;
  padding: 0 16px;
  font-size: 14px;
}

.version-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.config-badge {
  background: rgba(201, 161, 90, 0.14);
  border: 1px solid rgba(201, 161, 90, 0.42);
  color: #f4ead6;
}

.page-shell {
  display: grid;
  gap: 22px;
  padding: 24px 0 36px;
}

.surface {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(216, 226, 225, 0.95);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.assistant-surface {
  padding: 26px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 0 0 4px;
  font-size: 28px;
  line-height: 1.2;
}

.section-heading p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
}

.prompt-grid,
.feature-grid,
.recap-grid,
.subpanel-grid {
  display: grid;
  gap: 14px;
}

.prompt-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.prompt-chip,
button {
  border: 1px solid var(--primary);
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  min-height: 48px;
  padding: 12px 16px;
  font-weight: 700;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.prompt-chip {
  min-height: 64px;
  background: var(--panel-soft);
  color: var(--primary);
  border-color: #cfe0df;
  text-align: left;
  font-weight: 650;
}

button:hover,
.prompt-chip:hover {
  transform: translateY(-1px);
}

button:hover {
  background: var(--primary-dark);
}

.prompt-chip:hover,
button.secondary:hover {
  background: #eef7f6;
  border-color: #b6d2cf;
}

button.secondary {
  background: #fff;
  color: var(--primary);
  border-color: #c8dad8;
}

.chat-thread {
  display: grid;
  gap: 12px;
  min-height: 160px;
  max-height: 440px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, #fbfdfd, #f5faf9);
  padding: 18px;
}

.chat-bubble {
  width: fit-content;
  max-width: min(88%, 840px);
  border-radius: 18px;
  padding: 14px 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.chat-bubble.assistant {
  background: #ffffff;
  border: 1px solid var(--line);
}

.chat-bubble.user {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
}

.chat-composer {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 12px;
  align-items: stretch;
  margin-top: 16px;
}

.chat-composer textarea {
  width: 100%;
  resize: vertical;
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--text);
  background: #fff;
}

.helper-text {
  min-height: 24px;
  margin-top: 10px;
  color: var(--muted);
}

.recap-heading {
  align-items: center;
}

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

.recap-card,
.empty-state,
.feature-card,
.subpanel,
.result-box,
.report-box,
.item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.recap-card,
.feature-card,
.subpanel,
.empty-state {
  padding: 18px;
}

.recap-card h3,
.feature-card h3,
.subpanel h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.recap-card p,
.feature-card p {
  margin: 0;
  color: var(--muted);
}

.empty-state {
  grid-column: 1 / -1;
  color: var(--muted);
}

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

.feature-card {
  display: grid;
  gap: 14px;
  align-content: space-between;
  min-height: 220px;
}

.workspace-stack {
  display: grid;
  gap: 18px;
}

.workspace-panel.hidden {
  display: none;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.form-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 15px;
}

input,
select {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 14px;
  background: #fff;
  color: var(--text);
}

.wide {
  grid-column: 1 / -1;
}

.button-row,
.search-line,
.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
}

.search-line input {
  flex: 1 1 260px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.checkbox-label input {
  width: auto;
  min-height: auto;
}

.notice-small {
  margin-bottom: 16px;
  border: 1px solid var(--warning-line);
  border-radius: 16px;
  background: var(--warning);
  color: #755317;
  padding: 14px 16px;
}

.result-box,
.report-box,
.list {
  margin-top: 16px;
}

.result-box,
.report-box {
  min-height: 54px;
  padding: 16px;
  background: #fbfdfd;
  white-space: pre-wrap;
  overflow: auto;
}

.report-box {
  max-height: 560px;
}

.list {
  display: grid;
  gap: 12px;
}

.item {
  padding: 16px;
}

.item strong {
  display: block;
  margin-bottom: 4px;
}

.item small {
  color: var(--muted);
}

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

.wide-subpanel {
  grid-column: 1 / -1;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(5, 18, 21, 0.62);
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-card {
  width: min(700px, 100%);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
  padding: 24px;
}

.modal-card h2 {
  margin: 0 0 10px;
}

.modal-card ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.risk-footer {
  width: min(1180px, calc(100% - 32px));
  margin-bottom: 26px;
  border-radius: 18px;
  background: #12383b;
  color: #f4f8f7;
  padding: 18px 20px;
  text-align: center;
  border: 1px solid rgba(201, 161, 90, 0.4);
}

@media (max-width: 1040px) {
  .prompt-grid,
  .feature-grid,
  .recap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .subpanel-grid {
    grid-template-columns: 1fr;
  }

  .wide-subpanel {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .section-heading,
  .recap-heading {
    display: grid;
    justify-items: stretch;
  }

  .brand-lockup {
    align-items: flex-start;
  }

  .brand-icon {
    width: 76px;
    height: 76px;
    border-radius: 20px;
  }

  .header-side {
    justify-items: start;
  }

  .page-shell {
    width: min(100% - 20px, 1180px);
  }

  .surface {
    border-radius: 16px;
    padding: 18px;
  }

  .prompt-grid,
  .feature-grid,
  .recap-grid,
  .form-grid,
  .form-grid.compact {
    grid-template-columns: 1fr;
  }

  .chat-composer {
    grid-template-columns: 1fr;
  }

  .chat-thread {
    min-height: 180px;
  }

  .chat-bubble {
    max-width: 100%;
  }

  .button-row button,
  .search-line button,
  .chat-composer button,
  .feature-card button {
    width: 100%;
  }

  button,
  .prompt-chip,
  input,
  select {
    min-height: 52px;
  }

  .risk-footer {
    width: min(100% - 20px, 1180px);
    margin-bottom: 18px;
    font-size: 14px;
  }
}