:root {
  color-scheme: dark;
  --bg-0: #05091a;
  --bg-1: #0a1024;
  --bg-2: #0f1733;
  --panel-0: rgba(11, 18, 42, 0.94);
  --panel-1: rgba(15, 24, 56, 0.92);
  --line: rgba(70, 131, 255, 0.18);
  --line-strong: rgba(70, 131, 255, 0.34);
  --text: #f5f8ff;
  --text-dim: rgba(217, 224, 242, 0.7);
  --text-faint: rgba(172, 184, 212, 0.55);
  --accent: #2f6fff;
  --accent-strong: #69a0ff;
  --success: #09d79a;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --site-nav-border: rgba(70, 131, 255, 0.16);
  --site-nav-border-strong: rgba(105, 160, 255, 0.3);
  --site-nav-bg:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(8, 14, 32, 0.74);
  --site-nav-link-bg:
    linear-gradient(180deg, rgba(70, 131, 255, 0.12), rgba(70, 131, 255, 0.04)),
    rgba(11, 18, 42, 0.88);
  --site-nav-link-hover-bg:
    linear-gradient(180deg, rgba(70, 131, 255, 0.18), rgba(70, 131, 255, 0.06)),
    rgba(13, 21, 48, 0.94);
  --site-nav-link-active-bg:
    linear-gradient(180deg, rgba(70, 131, 255, 0.24), rgba(70, 131, 255, 0.08)),
    rgba(14, 23, 54, 0.96);
  --site-nav-text: var(--text);
  --site-nav-muted: var(--text-dim);
  --site-nav-accent: var(--accent-strong);
  --site-nav-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  position: relative;
  overflow-x: hidden;
  font-family: "Oxanium", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(47, 111, 255, 0.16), transparent 24%),
    radial-gradient(circle at 90% 18%, rgba(47, 111, 255, 0.12), transparent 18%),
    linear-gradient(180deg, #050915 0%, #060914 34%, #04070f 100%);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(130px);
  opacity: 0.4;
}

.ambient-a {
  top: -12vh;
  left: -12vw;
  width: 38vw;
  height: 38vw;
  background: radial-gradient(circle, rgba(47, 111, 255, 0.22), transparent 72%);
}

.ambient-b {
  right: -10vw;
  bottom: -18vh;
  width: 34vw;
  height: 34vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
}

.planner-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) 520px;
  gap: 26px;
  width: min(1560px, calc(100% - 34px));
  margin: 18px auto 30px;
}

.planner-panel,
.summary-panel {
  border-radius: 34px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 20%),
    linear-gradient(180deg, var(--panel-1), var(--panel-0));
  box-shadow:
    var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.planner-panel {
  position: relative;
  padding: 28px;
}

.planner-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  border-radius: 34px 34px 0 0;
  background: linear-gradient(90deg, rgba(47, 111, 255, 0.9), rgba(91, 145, 255, 0.86));
}

.summary-panel {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 18%),
    linear-gradient(180deg, rgba(4, 7, 16, 0.98), rgba(6, 7, 10, 0.98));
}

.panel-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.brand-lockup {
  display: grid;
  gap: 8px;
}

.eyebrow,
.preset-field span,
.value-field span,
.summary-label,
.summary-caption,
.status-banner,
.breakdown-row span,
.site-network__eyebrow,
.site-network__link,
.chip-button,
.icon-button,
.export-button {
  font-family: "IBM Plex Mono", "Courier New", monospace;
}

.eyebrow {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 7vw, 4.6rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
  font-style: italic;
}

h2 {
  font-size: 1.12rem;
  letter-spacing: -0.04em;
}

.brand-copy {
  max-width: 30rem;
  color: var(--text-dim);
  font-size: 0.96rem;
  line-height: 1.65;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preset-field {
  display: grid;
  gap: 10px;
}

.preset-field span {
  color: var(--text-faint);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.preset-field select,
.icon-button,
.value-field,
.summary-card,
.breakdown-card,
.control-card,
.export-button,
.status-banner {
  border-radius: 22px;
  border: 1px solid rgba(86, 120, 204, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(8, 13, 30, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.preset-field select {
  min-width: 198px;
  min-height: 56px;
  padding: 0 20px;
  color: var(--text);
  outline: none;
}

.icon-button {
  min-width: 56px;
  min-height: 56px;
  padding: 0 14px;
  color: var(--text);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.control-card {
  padding: 28px;
}

.control-card + .control-card {
  margin-top: 18px;
}

.control-card--hero,
.control-card--roi {
  display: grid;
  gap: 18px;
}

.control-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.control-head--compact {
  align-items: flex-start;
}

.headline-value {
  font-size: clamp(2.2rem, 5vw, 3rem);
  color: var(--accent-strong);
  letter-spacing: -0.06em;
}

.value-field {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 92px;
  padding: 0 24px;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.02)),
    rgba(2, 4, 10, 0.96);
}

.value-field input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 2rem;
  font-weight: 700;
  outline: none;
}

.value-field span {
  color: var(--text-dim);
  font-size: 1.4rem;
}

.value-field--suffix input {
  order: 1;
}

.value-field--suffix span {
  margin-left: auto;
}

.range-slider {
  width: 100%;
  appearance: none;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(70, 131, 255, 0.96), rgba(44, 61, 109, 0.9));
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(86, 120, 204, 0.28);
  background: #050915;
  box-shadow: 0 0 0 3px rgba(47, 111, 255, 0.22);
}

.range-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(86, 120, 204, 0.28);
  background: #050915;
  box-shadow: 0 0 0 3px rgba(47, 111, 255, 0.22);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-button {
  min-width: 92px;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(228, 233, 255, 0.68);
  background: transparent;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
}

.chip-button.is-active {
  border-color: rgba(70, 131, 255, 0.4);
  background:
    linear-gradient(180deg, rgba(86, 152, 255, 0.94), rgba(69, 123, 236, 0.9)),
    rgba(47, 111, 255, 0.96);
  color: #050915;
  box-shadow: 0 16px 26px rgba(47, 111, 255, 0.2);
}

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

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

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
}

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

.switch-track {
  position: relative;
  width: 54px;
  height: 30px;
  border-radius: 999px;
  background: rgba(18, 28, 58, 0.92);
  border: 1px solid rgba(86, 120, 204, 0.24);
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text);
  transition: transform 180ms ease, background 180ms ease;
}

.switch input:checked + .switch-track {
  background: rgba(47, 111, 255, 0.96);
}

.switch input:checked + .switch-track::after {
  transform: translateX(24px);
  background: #030716;
}

.summary-hero {
  position: relative;
  display: grid;
  justify-items: start;
  gap: 14px;
  padding: 28px 20px 16px;
  min-height: 240px;
  overflow: hidden;
}

.summary-pill {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(70, 131, 255, 0.24);
  background: rgba(8, 16, 36, 0.86);
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.summary-amount {
  position: relative;
  z-index: 1;
  font-size: clamp(4rem, 8vw, 5.6rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

.summary-caption {
  position: relative;
  z-index: 1;
  color: var(--text-faint);
  font-size: 0.84rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.target-rings {
  position: absolute;
  top: 24px;
  right: 8px;
  width: 180px;
  height: 180px;
  opacity: 0.12;
}

.target-rings span {
  position: absolute;
  border-radius: 50%;
  border: 16px solid rgba(255, 255, 255, 0.16);
}

.target-rings span:nth-child(1) {
  inset: 0;
}

.target-rings span:nth-child(2) {
  inset: 28px;
}

.target-rings span:nth-child(3) {
  inset: 64px;
}

.summary-card {
  display: grid;
  gap: 8px;
  padding: 24px 28px;
}

.summary-card strong {
  font-size: 2.35rem;
  color: var(--accent-strong);
  letter-spacing: -0.06em;
}

.summary-card--accent {
  border-color: var(--line-strong);
}

.summary-card small {
  color: var(--text-faint);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.summary-card--success {
  border-color: rgba(9, 215, 154, 0.26);
  background:
    linear-gradient(180deg, rgba(9, 215, 154, 0.1), rgba(9, 215, 154, 0.03)),
    rgba(5, 18, 16, 0.92);
}

.summary-card--success strong,
.summary-card--success .summary-label {
  color: var(--success);
}

.summary-label {
  color: var(--text-faint);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.status-banner {
  min-height: 74px;
  color: var(--accent-strong);
  font-size: 1rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  background:
    linear-gradient(180deg, rgba(9, 34, 88, 0.94), rgba(8, 26, 66, 0.9)),
    rgba(12, 24, 52, 0.96);
}

.status-banner.is-warning {
  color: #ffe08b;
  border-color: rgba(255, 224, 139, 0.22);
  background:
    linear-gradient(180deg, rgba(67, 48, 8, 0.94), rgba(39, 29, 5, 0.92)),
    rgba(33, 26, 8, 0.94);
}

.status-banner.is-danger {
  color: #ff8585;
  border-color: rgba(255, 133, 133, 0.22);
  background:
    linear-gradient(180deg, rgba(68, 10, 24, 0.94), rgba(34, 7, 13, 0.92)),
    rgba(33, 10, 15, 0.94);
}

.breakdown-card {
  display: grid;
  gap: 12px;
  padding: 22px 24px;
}

.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.breakdown-row span {
  color: var(--text-dim);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.breakdown-row strong {
  font-size: 1.04rem;
  color: var(--text);
}

.export-button {
  min-height: 88px;
  color: #08111f;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  background:
    linear-gradient(180deg, rgba(53, 108, 248, 0.98), rgba(41, 95, 235, 0.98)),
    var(--accent);
}

.value-field input:disabled,
.range-slider:disabled {
  opacity: 0.45;
}

.planner-panel button,
.planner-panel select,
.summary-panel button {
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.planner-panel button:hover,
.planner-panel button:focus-visible,
.planner-panel select:hover,
.planner-panel select:focus-visible,
.summary-panel button:hover,
.summary-panel button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(105, 160, 255, 0.42);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.24);
  outline: none;
}

@media (max-width: 1320px) {
  .planner-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .planner-shell {
    width: min(100%, calc(100% - 20px));
    margin: 10px auto 20px;
  }

  .planner-panel,
  .summary-panel {
    padding: 18px;
    border-radius: 26px;
  }

  .panel-topbar,
  .dual-controls,
  .control-head,
  .toggle-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .dual-controls {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .preset-field {
    width: 100%;
  }

  .preset-field select {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .control-card,
  .summary-card,
  .breakdown-card {
    padding: 20px;
  }

  .value-field {
    min-height: 74px;
    padding: 0 18px;
  }

  .value-field input {
    font-size: 1.5rem;
  }

  .summary-amount {
    font-size: clamp(3.2rem, 18vw, 4.8rem);
  }

  .chip-button {
    min-width: 78px;
  }
}