:root {
  --bg: #f4f8fb;
  --surface: #ffffff;
  --ink: #102332;
  --ink-soft: #4b6070;
  --line: #d4e0ea;
  --primary: #00838f;
  --primary-strong: #006972;
  --accent: #ff9f43;
  --ok: #217a5a;
  --warn: #b85c00;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 14px 32px rgba(16, 35, 50, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
}

body {
  min-height: 100vh;
  position: relative;
  padding: 20px;
}

.bg-orb {
  position: fixed;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.orb-one {
  width: 320px;
  height: 320px;
  background: rgba(0, 131, 143, 0.18);
  top: -60px;
  left: -80px;
}

.orb-two {
  width: 280px;
  height: 280px;
  background: rgba(255, 159, 67, 0.22);
  right: -60px;
  bottom: -40px;
}

.hero,
.container,
.footer-note {
  position: relative;
  z-index: 1;
}

.hero {
  max-width: 1180px;
  margin: 0 auto 18px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, #073a4f 0%, #0b5863 46%, #1f7f86 100%);
  color: #f5fcff;
  box-shadow: var(--shadow);
}

.hero-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  color: #f5fcff;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(255, 255, 255, 0.14);
}

.home-link:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lang-control {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(245, 252, 255, 0.9);
  max-width: 150px;
}

.lang-control select {
  margin-top: 5px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.14);
  color: #f5fcff;
  padding: 6px 8px;
}

.lang-control option {
  color: #102332;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-size: 0.78rem;
  opacity: 0.84;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  margin: 0 0 10px;
}

h1 {
  margin-top: 6px;
  font-size: clamp(1.7rem, 2.2vw, 2.4rem);
}

.subtitle {
  margin: 0;
  max-width: 920px;
  color: rgba(245, 252, 255, 0.9);
}

.disclaimer {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
}

.top-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.top-tab {
  border: 1px solid var(--line);
  background: #fefefe;
  color: var(--ink);
  border-radius: 999px;
  padding: 11px 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.top-tab:hover {
  transform: translateY(-1px);
}

.top-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fade-up 0.25s ease;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}

.panel-grid {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 14px;
}

.synthesis-card {
  margin-top: 14px;
}

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

label {
  display: grid;
  gap: 7px;
  font-weight: 600;
  font-size: 0.95rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 11px;
  font: inherit;
  background: #fff;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.checkbox-line input {
  width: auto;
}

.output-block {
  display: grid;
  gap: 12px;
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.kpi {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px;
  background: #fbfdfe;
}

.kpi h4 {
  margin: 0 0 6px;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.kpi p {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.tag-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  border-radius: 999px;
  font-size: 0.82rem;
  padding: 6px 10px;
  background: #e8f5f7;
  color: #075864;
  border: 1px solid #c6e6eb;
}

.tag.warn {
  background: #fff3e5;
  color: var(--warn);
  border-color: #ffd3a3;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  border-bottom: 1px solid #e5edf3;
  padding: 9px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f6fafd;
  color: #234054;
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

ul {
  margin: 0;
  padding-left: 18px;
}

li + li {
  margin-top: 6px;
}

.synthesis-grid {
  margin: 12px 0 16px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.s-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fafcfe;
}

.s-card h3 {
  margin-bottom: 6px;
}

.subtabs-area {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.case-step-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}

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

.case-auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.case-hint {
  margin: 8px 0 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.case-actions {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-log-wrap {
  margin-top: 14px;
}

.case-csv-preview {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fcff;
  font-size: 0.8rem;
  max-height: 220px;
  overflow: auto;
  white-space: pre;
}

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

.subtab {
  border: 1px solid #c9d8e4;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
  background: #f5fbfd;
  color: #18425a;
  cursor: pointer;
  transition: all 0.2s ease;
}

.subtab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.subtab:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.hidden {
  display: none;
}

.case-output {
  margin-top: 14px;
}

.path-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid #b7d6dc;
  background: #edf9fb;
  color: #085c68;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.84rem;
  margin-right: 7px;
  margin-bottom: 7px;
}

.timeline {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fafdff;
}

.timeline-step {
  position: relative;
  padding-left: 18px;
  margin-bottom: 9px;
}

.timeline-step::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  left: 0;
  top: 8px;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.case-weight-label {
  max-width: 280px;
  margin-top: 8px;
}

.footer-note {
  max-width: 1180px;
  margin: 14px auto 4px;
  color: #6c7f8d;
  text-align: center;
  font-size: 0.85rem;
}

@media (max-width: 990px) {
  .hero-top-row {
    flex-wrap: wrap;
  }

  .home-link {
    order: -1;
  }

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

  .case-auth-grid,
  .case-step-grid {
    grid-template-columns: 1fr;
  }

  .output-grid,
  .synthesis-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 20px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 12px;
  }

  .top-tab {
    width: 100%;
    border-radius: 12px;
  }

  .card {
    padding: 14px;
  }
}