:root {
  --fd-bg: #f3f8ff;
  --fd-bg-soft: #e8f1ff;
  --fd-panel: rgba(255, 255, 255, 0.92);
  --fd-panel-strong: rgba(255, 255, 255, 0.98);
  --fd-text: #13233d;
  --fd-muted: #5b6f8f;
  --fd-border: rgba(103, 142, 205, 0.2);
  --fd-accent: #1477ff;
  --fd-accent-strong: #0f5fcd;
  --fd-accent-soft: rgba(20, 119, 255, 0.1);
  --fd-success: #14aa6e;
  --fd-shadow: 0 20px 44px rgba(29, 62, 112, 0.14);
}

* {
  box-sizing: border-box;
}

body.fd-body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--fd-text);
  background:
    radial-gradient(circle at 8% 12%, rgba(65, 178, 255, 0.26), transparent 28%),
    radial-gradient(circle at 94% 4%, rgba(36, 126, 255, 0.22), transparent 23%),
    linear-gradient(180deg, #ffffff 0%, var(--fd-bg) 52%, #edf5ff 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.fd-topbar,
.fd-shell,
.fd-auth-shell {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.fd-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 12px;
}

.fd-topbar span,
.fd-page-head p,
.fd-list-row span,
.fd-stat span,
.fd-inline-note,
.fd-copy,
.fd-meta dt,
.fd-error {
  color: var(--fd-muted);
}

.fd-error {
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(177, 50, 50, 0.18);
  background: rgba(177, 50, 50, 0.08);
  color: #8f2525;
}

.fd-shell {
  padding-bottom: 40px;
}

.fd-shell--landing {
  padding: 56px 0;
}

.fd-auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.fd-hero,
.fd-card,
.fd-stat {
  background: var(--fd-panel);
  border: 1px solid var(--fd-border);
  border-radius: 24px;
  box-shadow: var(--fd-shadow);
  backdrop-filter: blur(10px);
}

.fd-hero {
  padding: 44px;
}

.fd-card {
  padding: 26px;
}

.fd-form {
  width: min(520px, 100%);
  display: grid;
  gap: 16px;
}

.fd-form label {
  display: grid;
  gap: 8px;
}

.fd-form input,
.fd-form select,
.fd-textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--fd-border);
  color: var(--fd-text);
  background: #fff;
  font: inherit;
}

.fd-textarea {
  min-height: 140px;
  resize: vertical;
}

.fd-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 700;
  color: var(--fd-accent);
}

.fd-page-head h1,
.fd-hero h1,
.fd-card h2 {
  margin: 0 0 10px;
}

.fd-actions,
.fd-inline-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.fd-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.fd-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 14px;
  border: 1px solid var(--fd-border);
  background: #ffffff;
  color: var(--fd-text);
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.fd-button:hover {
  transform: translateY(-1px);
  border-color: rgba(80, 138, 219, 0.55);
  box-shadow: 0 8px 18px rgba(33, 89, 168, 0.16);
}

.fd-button--primary {
  border-color: transparent;
  background: linear-gradient(135deg, #2d9dff 0%, #1f72ff 100%);
  color: #fff;
}

.fd-button--ghost {
  background: rgba(20, 119, 255, 0.06);
}

.fd-button--small {
  padding: 9px 14px;
  font-size: 14px;
}

.fd-stats,
.fd-panel-grid,
.fd-grid {
  display: grid;
  gap: 18px;
}

.fd-stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 24px 0;
}

.fd-panel-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

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

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

.fd-span-2 {
  grid-column: span 2;
}

.fd-stat {
  padding: 22px;
  display: grid;
  gap: 8px;
}

.fd-stat strong {
  font-size: 30px;
}

.fd-list {
  display: grid;
  gap: 10px;
}

.fd-list-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--fd-panel-strong);
  border: 1px solid var(--fd-border);
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}

.fd-list-row:hover {
  border-color: rgba(83, 140, 224, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 88, 162, 0.12);
}

.fd-list-row--static {
  cursor: default;
}

.fd-list-row strong {
  display: block;
  margin-bottom: 4px;
}

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

.fd-table {
  width: 100%;
  border-collapse: collapse;
}

.fd-table th,
.fd-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--fd-border);
  text-align: left;
  vertical-align: top;
}

.fd-table th {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-muted);
}

.fd-table-sub {
  margin-top: 4px;
  color: var(--fd-muted);
  font-size: 14px;
}

.fd-meta {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
}

.fd-meta div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--fd-border);
}

.fd-bullets {
  margin: 0;
  padding-left: 18px;
}

.fd-bullets li + li {
  margin-top: 10px;
}

.fd-code {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: #f2f8ff;
  color: #193154;
  border: 1px solid rgba(98, 142, 206, 0.25);
  overflow: auto;
}

.fd-landing-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
}

.fd-hero--brand {
  position: relative;
  overflow: hidden;
}

.fd-terminal-badge {
  display: inline-flex;
  align-items: center;
  margin-bottom: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(76, 142, 232, 0.28);
  background: rgba(255, 255, 255, 0.9);
  color: #3067a8;
  font-size: 13px;
}

.fd-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.fd-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(62, 166, 255, 0.12);
  border: 1px solid rgba(62, 166, 255, 0.14);
  color: #1f5fa7;
  font-size: 13px;
}

.fd-mock {
  min-height: 100%;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.85), rgba(236,246,255,0.85)),
    linear-gradient(135deg, #e8f2ff, #f7fbff);
  border: 1px solid rgba(120, 165, 227, 0.24);
  padding: 20px;
}


.fd-mock-bar {
  height: 8px;
  width: 120px;
  border-radius: 999px;
  background: linear-gradient(90deg, #65c8ff, #4a8dff);
  margin-bottom: 18px;
}

.fd-mock-title {
  margin: 0 0 10px;
  color: var(--fd-accent);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.fd-mock-grid {
  display: grid;
  gap: 14px;
}

.fd-mock-panel {
  border-radius: 18px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(140, 177, 227, 0.26);
}

.fd-mock-panel span,
.fd-head-card span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fd-muted);
  margin-bottom: 8px;
}

.fd-mock-panel strong,
.fd-head-card strong {
  display: block;
  font-size: 20px;
  line-height: 1.3;
}

.fd-mock-panel--accent {
  background: linear-gradient(135deg, rgba(124, 196, 255, 0.28), rgba(120, 149, 255, 0.18));
}

.fd-page-head--feature {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: stretch;
}

.fd-head-card {
  padding: 22px 24px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(244, 250, 255, 0.98), rgba(228, 241, 255, 0.98));
  border: 1px solid rgba(107, 156, 230, 0.25);
}

.fd-shell--scenario {
  width: min(1720px, calc(100vw - 28px));
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) 360px;
  gap: 16px;
  padding-top: 12px;
}

.fd-scenario-stage,
.fd-scenario-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.fd-scenario-head {
  padding: 18px 22px;
  border-radius: 24px;
  border: 1px solid rgba(120, 163, 224, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(239, 247, 255, 0.98));
  box-shadow: var(--fd-shadow);
}

.fd-scenario-head h1 {
  margin: 0 0 8px;
  font-size: 24px;
}

.fd-scenario-head p {
  margin: 0;
}

.fd-card--flush {
  padding: 0;
}

.fd-sim-frame-wrap {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--fd-border);
  background: #dce8f7;
  min-height: 860px;
}

#simulator-frame {
  width: 100%;
  min-height: 860px;
  border: 0;
  background: #dce8f7;
}

.fd-target-summary {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(20, 170, 110, 0.08);
  border: 1px solid rgba(20, 170, 110, 0.24);
  color: #1f7f57;
  font-size: 13px;
  font-weight: 600;
}

.fd-target-row {
  align-items: center;
  gap: 14px;
}

.fd-target-row.is-complete {
  border-color: rgba(20, 170, 110, 0.28);
  background: rgba(20, 170, 110, 0.08);
}

.fd-target-state {
  flex: 0 0 auto;
  min-width: 76px;
  text-align: center;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(130, 147, 173, 0.18);
  color: #40516d;
  font-size: 12px;
  font-weight: 700;
}

.fd-target-row.is-complete .fd-target-state {
  background: rgba(20, 170, 110, 0.16);
  color: #1f7f57;
}

@media (max-width: 960px) {
  .fd-stats,
  .fd-panel-grid,
  .fd-grid--2,
  .fd-grid--3,
  .fd-landing-grid,
  .fd-page-head--feature,
  .fd-shell--scenario {
    grid-template-columns: 1fr;
  }

  .fd-span-2 {
    grid-column: auto;
  }

  .fd-topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}

/* Landing v2 refresh */
.fd-shell--landing {
  width: min(1360px, calc(100vw - 24px));
  padding: 34px 0 24px;
  display: grid;
  gap: 18px;
}

.fd-terminal-badge {
  margin-bottom: 20px;
  padding: 9px 14px;
  border-color: rgba(56, 132, 233, 0.25);
  background: rgba(255, 255, 255, 0.82);
  color: #2f6aaf;
  font-size: 14px;
  font-weight: 600;
}

.fd-landing-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 44px;
  border-radius: 30px;
  border: 1px solid rgba(96, 145, 218, 0.22);
  background:
    radial-gradient(circle at 12% 20%, rgba(60, 177, 255, 0.18), transparent 42%),
    radial-gradient(circle at 92% 8%, rgba(48, 117, 255, 0.14), transparent 35%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.96), rgba(244, 250, 255, 0.98));
  box-shadow: 0 24px 56px rgba(29, 62, 112, 0.13);
}

.fd-landing-hero-main {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  justify-items: center;
  text-align: center;
}

.fd-landing-hero-main h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.fd-copy--lead {
  margin: 0;
  max-width: 32ch;
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.45;
  color: #3f5674;
}

.fd-actions--landing {
  margin-top: 22px;
  justify-content: center;
  gap: 16px;
}

.fd-actions--landing .fd-button {
  padding: 18px 34px;
  border-radius: 18px;
  font-size: 24px;
  min-width: 290px;
  min-height: 70px;
  font-weight: 600;
}

.fd-chip-row {
  margin-top: 22px;
  justify-content: center;
}

.fd-chip {
  padding: 8px 13px;
  background: rgba(39, 137, 255, 0.1);
  border: 1px solid rgba(39, 137, 255, 0.18);
  color: #245e9f;
  font-weight: 600;
}

.fd-landing-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 18px;
}

.fd-landing-flow {
  padding: 26px;
}

.fd-landing-values {
  padding: 28px;
}

.fd-landing-values h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 2.5vw, 38px);
  line-height: 1.16;
}

.fd-value-grid {
  display: grid;
  gap: 12px;
}

.fd-value-item {
  border-radius: 18px;
  border: 1px solid rgba(126, 169, 230, 0.24);
  background: rgba(255, 255, 255, 0.84);
  padding: 18px;
}

.fd-value-item .fd-kicker {
  margin-bottom: 7px;
}

.fd-value-item h3 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.2;
}

.fd-value-item p {
  margin: 0;
  color: var(--fd-muted);
}

.fd-landing-footer {
  display: grid;
  gap: 8px;
  padding: 16px 20px;
  border-radius: 18px;
  border: 1px solid rgba(108, 153, 219, 0.2);
  background: rgba(255, 255, 255, 0.78);
}

.fd-landing-footer-head {
  display: flex;
  gap: 12px;
  align-items: center;
}

.fd-landing-footer-head strong {
  font-size: 15px;
}

.fd-landing-footer-head a {
  color: #236ac0;
  font-weight: 600;
}

.fd-landing-footer p {
  margin: 0;
  font-size: 12px;
  color: #6b7f9d;
}

@media (max-width: 960px) {
  .fd-landing-hero,
  .fd-landing-showcase {
    grid-template-columns: 1fr;
  }

  .fd-shell--landing {
    width: min(1360px, calc(100vw - 18px));
    padding-top: 20px;
  }

  .fd-landing-hero {
    padding: 24px;
  }

  .fd-landing-hero-main h1 {
    font-size: clamp(30px, 9vw, 44px);
  }

  .fd-copy--lead {
    max-width: none;
  }

  .fd-actions--landing {
    flex-wrap: wrap;
  }

  .fd-actions--landing .fd-button {
    min-width: 240px;
    font-size: 20px;
  }
}