:root {
  color-scheme: dark;
  --bg: #090a11;
  --panel: rgba(20, 22, 34, 0.88);
  --panel-strong: #151726;
  --panel-soft: #1a1d2d;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f7f7fb;
  --muted: #a9adbf;
  --soft: #7f8498;
  --accent: #8b7cff;
  --accent-2: #66d9ff;
  --success: #7ae6aa;
  --warning: #ffd37a;
  --danger: #ff8c9e;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius: 22px;
  --radius-sm: 14px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(139, 124, 255, 0.11), transparent 32rem),
    radial-gradient(circle at 90% 18%, rgba(102, 217, 255, 0.08), transparent 30rem),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

a {
  color: #aeb0ff;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  font-size: 21px;
  font-weight: 900;
  background:
    linear-gradient(135deg, rgba(139, 124, 255, 0.95), rgba(102, 217, 255, 0.9));
  box-shadow: 0 10px 30px rgba(110, 112, 255, 0.24);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
}

.brand small,
.unofficial {
  color: var(--muted);
  font-size: 12px;
}

.unofficial {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.hero {
  padding: 72px 0 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 800;
  color: #a9a0ff;
}

.hero h1,
.card h2,
.card h3 {
  margin-top: 0;
}

.hero h1 {
  margin-bottom: 18px;
  max-width: 780px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero-copy {
  margin: 0;
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}

.formula-chip {
  min-width: 270px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(18, 20, 31, 0.72);
  backdrop-filter: blur(14px);
}

.formula-chip span,
.formula-chip strong {
  display: block;
}

.formula-chip span {
  margin-bottom: 4px;
  color: var(--soft);
  font-size: 12px;
}

.formula-chip strong {
  font-size: 14px;
}

.app-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.75fr);
  gap: 22px;
  align-items: start;
}

.calculator-column {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(23, 25, 39, 0.94), rgba(15, 17, 27, 0.94));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.calculator-card,
.help-card,
.results-card,
.guide-card {
  padding: clamp(22px, 4vw, 34px);
}

.card-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.card-heading h2 {
  margin-bottom: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field > span {
  font-size: 14px;
  font-weight: 750;
}

.field small {
  color: var(--soft);
  font-size: 12px;
}

input,
select {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  outline: none;
  background: #0f111c;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

input:focus,
select:focus {
  border-color: rgba(139, 124, 255, 0.8);
  box-shadow: 0 0 0 4px rgba(139, 124, 255, 0.12);
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.toggle-card {
  min-height: 86px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  cursor: pointer;
}

.toggle-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch {
  position: relative;
  flex: 0 0 44px;
  width: 44px;
  height: 25px;
  border-radius: 999px;
  background: #343748;
  transition: background 150ms ease;
}

.switch::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: white;
  transition: transform 150ms ease;
}

.toggle-card input:checked + .switch {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.toggle-card input:checked + .switch::after {
  transform: translateX(19px);
}

.toggle-card input:focus-visible + .switch {
  outline: 3px solid rgba(139, 124, 255, 0.36);
  outline-offset: 3px;
}

.toggle-copy {
  min-width: 0;
}

.toggle-copy strong,
.toggle-copy small {
  display: block;
}

.toggle-copy strong {
  margin-bottom: 3px;
  font-size: 14px;
}

.toggle-copy small {
  color: var(--soft);
  font-size: 12px;
}

.primary-button,
.secondary-button,
.text-button {
  border: 0;
  border-radius: 12px;
  font-weight: 800;
}

.primary-button {
  width: 100%;
  min-height: 54px;
  color: #090a11;
  background: linear-gradient(90deg, #a799ff, #70ddff);
  box-shadow: 0 13px 34px rgba(119, 133, 255, 0.23);
}

.secondary-button {
  min-height: 40px;
  padding: 0 14px;
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
}

.text-button {
  padding: 6px 0;
  color: #b6b1ff;
  background: transparent;
}

.help-card p {
  color: var(--muted);
}

.mini-section {
  margin-top: 28px;
}

.mini-section h3 {
  margin-bottom: 10px;
  font-size: 14px;
}

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

.mini-grid > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 13px;
}

.mini-grid strong {
  color: var(--text);
}

.notice {
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.035);
}

.notice p {
  margin: 5px 0 0;
}

.notice-info {
  border-color: rgba(102, 217, 255, 0.18);
  background: rgba(102, 217, 255, 0.055);
}

.notice-success {
  border-color: rgba(122, 230, 170, 0.2);
  background: rgba(122, 230, 170, 0.06);
}

.notice-warning {
  border-color: rgba(255, 211, 122, 0.2);
  background: rgba(255, 211, 122, 0.06);
}

.notice-error {
  border-color: rgba(255, 140, 158, 0.22);
  background: rgba(255, 140, 158, 0.065);
}

.compact {
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
}

.community-card {
  position: relative;
  overflow: hidden;
  min-height: 152px;
  padding: 24px 26px 24px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-color: rgba(139, 124, 255, 0.22);
  background:
    radial-gradient(
      circle at 8% 10%,
      rgba(139, 124, 255, 0.12),
      transparent 34%
    ),
    linear-gradient(
      135deg,
      rgba(24, 25, 43, 0.98),
      rgba(15, 18, 31, 0.98)
    );
}

.community-card::after {
  content: "";
  position: absolute;
  inset: auto -80px -110px auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  pointer-events: none;
  background: rgba(102, 217, 255, 0.055);
  filter: blur(2px);
}

.community-accent {
  position: absolute;
  inset: 18px auto 18px 0;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, #9b8cff, #68ddff);
  box-shadow: 0 0 22px rgba(117, 149, 255, 0.34);
}

.community-main {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 18px;
}

.community-mark {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(168, 157, 255, 0.28);
  border-radius: 16px;
  color: #e8e5ff;
  background:
    linear-gradient(
      145deg,
      rgba(139, 124, 255, 0.2),
      rgba(102, 217, 255, 0.08)
    );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.community-card-copy {
  min-width: 0;
}

.community-eyebrow {
  margin-bottom: 6px;
}

.community-card h2 {
  margin-bottom: 7px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.community-card p:not(.eyebrow) {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.55;
}

.community-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.community-tags span {
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  color: #c5c8d6;
  background: rgba(255, 255, 255, 0.035);
  font-size: 11px;
  font-weight: 750;
}

.community-cta {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  min-width: 146px;
  min-height: 46px;
  padding: 0 16px 0 18px;
  gap: 12px;
  white-space: nowrap;
  color: #0b0d15;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(90deg, #9f92ff, #72dbff);
  box-shadow:
    0 12px 28px rgba(108, 130, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.discord-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 850;
  transition:
    transform 150ms ease,
    box-shadow 150ms ease,
    filter 150ms ease;
}

.discord-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
  box-shadow:
    0 16px 34px rgba(108, 130, 255, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.discord-button:focus-visible {
  outline: 3px solid rgba(139, 124, 255, 0.35);
  outline-offset: 4px;
}

.community-arrow {
  font-size: 17px;
  line-height: 1;
  transition: transform 150ms ease;
}

.discord-button:hover .community-arrow {
  transform: translateX(3px);
}

.results-card,
.guide-card {
  margin-top: 22px;
}

.result-card-heading {
  align-items: center;
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.summary-grid,
.totals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.summary-item,
.totals > div {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}

.summary-item span,
.summary-item strong,
.totals span,
.totals strong {
  display: block;
}

.summary-item span,
.totals span {
  color: var(--soft);
  font-size: 12px;
}

.summary-item strong,
.totals strong {
  margin-top: 4px;
  font-size: 15px;
}

.result-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 30px 0 14px;
}

.result-heading h3 {
  margin-bottom: 0;
}

.target-pill {
  padding: 8px 12px;
  border: 1px solid rgba(122, 230, 170, 0.18);
  border-radius: 999px;
  color: var(--success);
  background: rgba(122, 230, 170, 0.06);
  font-weight: 800;
  white-space: nowrap;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.route-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
}

.route-table th,
.route-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.065);
}

.route-table th {
  color: var(--soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.025);
}

.route-table tbody tr:last-child td {
  border-bottom: 0;
}

.step-badge {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 9px;
  color: #d8d4ff;
  background: rgba(139, 124, 255, 0.13);
  font-weight: 800;
}

.totals {
  margin-top: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.math-details {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 13px;
}

.math-details summary {
  cursor: pointer;
  font-weight: 750;
}

.math-content {
  padding-top: 14px;
}

.math-content code,
.formula-block code {
  display: block;
  overflow-wrap: anywhere;
  padding: 10px 12px;
  margin-top: 8px;
  border-radius: 10px;
  color: #d9d6ff;
  background: #0c0e17;
}

.math-content p,
.guide-card > p {
  color: var(--muted);
}

.formula-block {
  margin: 20px 0;
}

.site-footer {
  padding: 36px 0 46px;
  color: var(--soft);
  font-size: 12px;
}

.site-footer p {
  margin: 6px 0;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .formula-chip {
    min-width: 0;
  }

  .app-layout {
    grid-template-columns: 1fr;
  }

  .community-card {
    min-height: 0;
    align-items: stretch;
    flex-direction: column;
  }

  .community-main {
    align-items: flex-start;
  }

  .community-cta {
    width: 100%;
  }

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

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

@media (max-width: 620px) {
  .shell {
    width: min(100% - 20px, 1180px);
  }

  .site-header {
    min-height: 68px;
  }

  .unofficial {
    display: none;
  }

  .hero {
    padding: 46px 4px 30px;
  }

  .hero h1 {
    font-size: clamp(40px, 14vw, 60px);
  }

  .calculator-card,
  .help-card,
  .results-card,
  .guide-card {
    padding: 20px;
  }

  .form-grid,
  .toggle-grid,
  .summary-grid,
  .totals {
    grid-template-columns: 1fr;
  }

  .card-heading,
  .result-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .button-row {
    justify-content: stretch;
  }

  .button-row button {
    flex: 1;
  }

  .community-card {
    padding: 22px 20px 22px 24px;
  }

  .community-main {
    gap: 13px;
  }

  .community-mark {
    flex-basis: 44px;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    font-size: 11px;
  }

  .community-card h2 {
    font-size: 18px;
  }
}