:root {
  --background: oklch(98.5% 0.003 106);
  --foreground: oklch(23% 0.03 260);
  --card: oklch(100% 0 0);
  --muted: oklch(96% 0.005 250);
  --muted-foreground: oklch(53% 0.025 258);
  --border: oklch(90% 0.012 255);
  --ring: oklch(42% 0.14 262);
  --sapphire: oklch(42% 0.14 262);
  --sapphire-deep: oklch(30% 0.11 264);
  --emerald: oklch(58% 0.12 165);
  --emerald-deep: oklch(47% 0.11 166);
  --danger: oklch(60% 0.18 28);
  --warning: oklch(70% 0.13 76);
  --gradient-sapphire: linear-gradient(135deg, var(--sapphire-deep), var(--sapphire));
  --gradient-emerald: linear-gradient(135deg, var(--emerald), var(--emerald-deep));
  --shadow-soft: 0 2px 8px -4px oklch(30% 0.06 262 / 0.1),
    0 18px 40px -20px oklch(30% 0.06 262 / 0.22);
  --shadow-float: 0 30px 70px -30px oklch(30% 0.08 262 / 0.35);
  --shadow-panel: 0 34px 90px -45px oklch(23% 0.07 262 / 0.48);
  --radius: 1rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-feature-settings: "tnum" 1, "cv05" 1;
}

button,
input,
select {
  font: inherit;
}

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

button,
a,
select,
input {
  min-height: 44px;
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.page-shell {
  min-height: 100vh;
  overflow-x: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  backdrop-filter: blur(18px) saturate(140%);
}

.brand {
  min-width: 0;
  overflow: hidden;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.top-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.top-nav a {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  font-weight: 650;
  transition: color 0.2s ease;
}

.top-nav a:hover {
  color: var(--foreground);
}

.telegram-link,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: calc(var(--radius) + 0.25rem);
  font-size: 0.9rem;
  font-weight: 750;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.telegram-link {
  padding: 0.7rem 1rem;
  background: var(--gradient-sapphire);
  color: white;
  box-shadow: var(--shadow-soft);
}

.telegram-link:hover,
.primary-action:hover,
.secondary-action:hover,
.icon-button:hover,
.swap-button:hover {
  transform: translateY(-1px);
}

svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  flex-shrink: 0;
}

.hero-surface {
  position: relative;
  overflow: hidden;
  padding: 5.7rem 1.25rem 4.3rem;
  background:
    linear-gradient(115deg, oklch(100% 0 0 / 0.9), oklch(96% 0.015 250 / 0.68)),
    radial-gradient(circle at 12% 16%, oklch(42% 0.14 262 / 0.12), transparent 30rem),
    radial-gradient(circle at 88%, oklch(58% 0.12 165 / 0.13), transparent 28rem);
}

.hero-surface::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(oklch(42% 0.04 262 / 0.07) 1px, transparent 1px),
    linear-gradient(90deg, oklch(42% 0.04 262 / 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(#000, transparent 74%);
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
  max-width: 80rem;
  margin: 0 auto;
}

.eyebrow,
.section-title span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--card) 78%, transparent);
  box-shadow: 0 1px 2px oklch(30% 0.06 262 / 0.05);
  color: var(--muted-foreground);
  padding: 0.45rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  backdrop-filter: blur(14px);
}

.eyebrow svg {
  color: var(--emerald);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 54rem;
  margin-top: 1.4rem;
  font-size: clamp(2.45rem, 7vw, 4.9rem);
  line-height: 1.04;
  font-weight: 850;
  letter-spacing: -0.025em;
}

.hero-copy p {
  max-width: 42rem;
  margin-top: 1.4rem;
  color: var(--muted-foreground);
  font-size: 1.08rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.primary-action,
.secondary-action {
  min-height: 3.2rem;
  padding: 0.9rem 1.2rem;
}

.primary-action {
  background: var(--gradient-emerald);
  color: white;
  box-shadow: var(--shadow-float);
}

.secondary-action {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 78%, transparent);
  box-shadow: var(--shadow-soft);
}

.hero-panel,
.workbench,
.converter-shell,
.risk-form,
.risk-panel {
  border: 1px solid color-mix(in oklab, var(--border) 74%, transparent);
  border-radius: calc(var(--radius) + 0.75rem);
  background: linear-gradient(oklch(100% 0 0 / 0.94), oklch(98.5% 0.005 250 / 0.84));
  box-shadow: var(--shadow-soft);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  align-self: stretch;
  padding: 1.25rem;
}

.hero-panel::before,
.workbench::before,
.risk-panel::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(90deg, color-mix(in oklab, var(--border) 42%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in oklab, var(--border) 42%, transparent) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.22;
  mask-image: linear-gradient(130deg, #000, transparent 55%);
}

.panel-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-head span {
  color: var(--muted-foreground);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-head b {
  color: var(--sapphire-deep);
  font-size: 0.8rem;
}

.hero-kpi {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  border-radius: 1.1rem;
  background: var(--card);
  padding: 1rem;
}

.hero-kpi span,
.result-card span,
.risk-summary span {
  display: block;
  color: var(--muted-foreground);
  font-size: 0.78rem;
  font-weight: 750;
}

.hero-kpi strong,
.result-card strong,
.risk-summary strong {
  display: block;
  margin-top: 0.4rem;
  color: var(--foreground);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  line-height: 1.05;
}

.mini-chart {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 0.65rem;
  height: 10rem;
  margin-top: 1rem;
  border: 1px solid color-mix(in oklab, var(--border) 72%, transparent);
  border-radius: 1.2rem;
  background: color-mix(in oklab, var(--card) 72%, var(--muted));
  padding: 1rem;
}

.mini-chart span {
  flex: 1;
  min-width: 0;
  border-radius: 0.8rem 0.8rem 0.3rem 0.3rem;
  background: linear-gradient(180deg, var(--emerald), var(--sapphire));
  opacity: 0.78;
}

.hero-status,
.status-line {
  position: relative;
  z-index: 1;
  border-radius: 0.9rem;
  background: color-mix(in oklab, var(--emerald) 11%, white);
  color: var(--emerald-deep);
  padding: 0.75rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-status {
  margin-top: 0.9rem;
}

.section {
  padding: 4.6rem 1.25rem;
}

.section-muted {
  background:
    linear-gradient(oklch(97.2% 0.007 250), oklch(99% 0.003 106)),
    radial-gradient(circle at 84% 12%, oklch(58% 0.12 165 / 0.08), transparent 22rem);
}

.section-title {
  max-width: 44rem;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-title span {
  margin: 0 auto;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.section-title h2 {
  margin-top: 1rem;
  font-size: clamp(2rem, 5vw, 2.7rem);
  line-height: 1.12;
  font-weight: 830;
  letter-spacing: -0.02em;
}

.section-title p {
  margin-top: 0.85rem;
  color: var(--muted-foreground);
  line-height: 1.65;
}

.workbench,
.converter-shell,
.risk-layout {
  max-width: 80rem;
  margin: 0 auto;
}

.workbench {
  position: relative;
  overflow: hidden;
  padding: 1rem;
}

.toolbar {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.75rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  color: var(--muted-foreground);
  font-size: 0.78rem;
  font-weight: 800;
}

input,
select {
  width: 100%;
  border: 1px solid color-mix(in oklab, var(--border) 86%, transparent);
  border-radius: calc(var(--radius) - 0.1rem);
  background: color-mix(in oklab, var(--card) 88%, white);
  color: var(--foreground);
  padding: 0.72rem 0.85rem;
  box-shadow: inset 0 1px 0 white;
}

input:hover,
select:hover {
  border-color: color-mix(in oklab, var(--sapphire) 34%, var(--border));
}

.icon-button,
.swap-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 0.25rem);
  background: var(--gradient-sapphire);
  color: white;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.status-line {
  margin-top: 0.9rem;
}

.status-line.is-error {
  background: color-mix(in oklab, var(--danger) 10%, white);
  color: var(--danger);
}

.chips {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid color-mix(in oklab, var(--border) 80%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--card) 80%, var(--muted));
  padding: 0.35rem 0.45rem 0.35rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 800;
}

.chip button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  min-height: 1.75rem;
  height: 1.75rem;
  border: 0;
  border-radius: 999px;
  background: var(--muted);
  color: var(--muted-foreground);
  cursor: pointer;
}

.chip button svg {
  width: 0.9rem;
  height: 0.9rem;
}

.rates-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.rate-card {
  border: 1px solid color-mix(in oklab, var(--border) 76%, transparent);
  border-radius: 1.2rem;
  background: color-mix(in oklab, var(--card) 86%, var(--muted));
  padding: 1rem;
}

.rate-card header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.8rem;
}

.rate-code {
  color: var(--foreground);
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: -0.01em;
}

.rate-name {
  margin-top: 0.2rem;
  color: var(--muted-foreground);
  font-size: 0.82rem;
  line-height: 1.35;
}

.rate-value {
  margin-top: 0.85rem;
  font-size: 1.55rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.rate-delta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.32rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 850;
}

.rate-delta.up {
  background: color-mix(in oklab, var(--danger) 10%, white);
  color: var(--danger);
}

.rate-delta.down {
  background: color-mix(in oklab, var(--emerald) 12%, white);
  color: var(--emerald-deep);
}

.converter-shell {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
}

.result-card,
.risk-summary {
  border-radius: 1.2rem;
  background:
    radial-gradient(circle at 90% 18%, oklch(58% 0.12 165 / 0.14), transparent 8rem),
    linear-gradient(oklch(100% 0 0 / 0.95), oklch(95.8% 0.015 250 / 0.72));
  border: 1px solid color-mix(in oklab, var(--border) 76%, transparent);
  padding: 1rem;
}

.result-card small,
.risk-summary small,
.risk-meter small {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted-foreground);
  font-size: 0.78rem;
  line-height: 1.45;
}

.risk-layout {
  display: grid;
  gap: 1rem;
}

.risk-form,
.risk-panel {
  padding: 1rem;
}

.risk-form {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.risk-panel {
  position: relative;
  overflow: hidden;
}

.risk-meter,
.scenario-grid {
  position: relative;
  z-index: 1;
}

.risk-meter {
  display: grid;
  gap: 1rem;
  align-items: center;
}

.meter-ring {
  display: grid;
  place-items: center;
  width: 10rem;
  height: 10rem;
  margin: 0 auto;
  border-radius: 999px;
  background:
    radial-gradient(circle, var(--card) 58%, transparent 59%),
    conic-gradient(var(--emerald) 0deg, var(--emerald) var(--risk-angle, 120deg), var(--border) var(--risk-angle, 120deg));
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--border) 76%, transparent), var(--shadow-soft);
}

.meter-ring span {
  max-width: 6.4rem;
  text-align: center;
  font-size: 1.05rem;
  font-weight: 850;
  line-height: 1.15;
}

.risk-meter p {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
}

.scenario-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.scenario-card {
  border: 1px solid color-mix(in oklab, var(--border) 74%, transparent);
  border-radius: 1.1rem;
  background: color-mix(in oklab, var(--card) 84%, var(--muted));
  padding: 0.9rem;
}

.scenario-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.scenario-card b {
  color: var(--sapphire-deep);
  font-size: 0.9rem;
}

.scenario-card span {
  color: var(--muted-foreground);
  font-size: 0.78rem;
  font-weight: 800;
}

.scenario-card strong {
  display: block;
  margin-top: 0.6rem;
  font-size: 1.25rem;
}

.scenario-bar {
  overflow: hidden;
  height: 0.5rem;
  margin-top: 0.8rem;
  border-radius: 999px;
  background: var(--muted);
}

.scenario-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--emerald), var(--warning), var(--danger));
}

.footer {
  border-top: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  padding: 1.6rem 1.25rem;
  color: var(--muted-foreground);
  text-align: center;
  font-size: 0.82rem;
}

@media (min-width: 640px) {
  .hero-actions,
  .toolbar {
    grid-template-columns: max-content max-content max-content;
  }

  .hero-actions {
    flex-direction: row;
  }

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

@media (min-width: 900px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .top-nav {
    display: flex;
    justify-content: center;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(21rem, 0.88fr);
    align-items: center;
  }

  .converter-shell {
    grid-template-columns: 1.1fr 0.9fr auto 0.9fr 1.25fr;
    align-items: end;
  }

  .risk-layout {
    grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
  }

  .risk-meter {
    grid-template-columns: auto 1fr;
  }
}

@media (min-width: 1100px) {
  .rates-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 560px) {
  .telegram-link {
    width: 44px;
    padding: 0;
    font-size: 0;
  }

  .hero-surface {
    padding-top: 4.2rem;
  }

  .section {
    padding-block: 3.3rem;
  }

  .toolbar {
    grid-template-columns: 1fr auto;
  }

  .currency-add {
    grid-column: 1;
  }

  .icon-button {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
    width: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}