:root {
  --bg: #f6efe4;
  --bg-strong: #f0dfc3;
  --card: rgba(255, 252, 247, 0.82);
  --card-strong: rgba(255, 248, 238, 0.96);
  --ink: #1f1408;
  --muted: #6d5c4b;
  --line: rgba(74, 48, 17, 0.12);
  --accent: #d65a31;
  --accent-deep: #9f2f0d;
  --accent-cool: #0c7c78;
  --shadow: 0 20px 60px rgba(120, 66, 6, 0.15);
  font-family: "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(214, 90, 49, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(12, 124, 120, 0.18), transparent 24%),
    linear-gradient(180deg, #fbf5ec 0%, var(--bg) 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 999px;
  filter: blur(10px);
  pointer-events: none;
}

body::before {
  inset: 70px auto auto 4%;
  width: 220px;
  height: 220px;
  background: rgba(214, 90, 49, 0.12);
}

body::after {
  inset: auto 5% 6% auto;
  width: 260px;
  height: 260px;
  background: rgba(12, 124, 120, 0.12);
}

.shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0 56px;
}

.hero {
  padding: 20px 8px 28px;
}

.eyebrow,
h1,
h2,
h3,
.metric-card strong,
.break-even strong,
.ghost-button {
  font-family: "Space Grotesk", sans-serif;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-deep);
  font-size: 0.86rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 0.95;
  max-width: 760px;
}

.hero-copy {
  max-width: 700px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 18px;
}

.panel {
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 42%);
  pointer-events: none;
}

.input-panel,
.result-panel {
  padding: 24px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

h2 {
  margin: 0;
  font-size: 1.25rem;
}

h3 {
  margin: 0;
  font-size: 1rem;
}

.ghost-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--ink);
  background: rgba(31, 20, 8, 0.06);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease;
}

.ghost-button:hover {
  transform: translateY(-1px);
  background: rgba(31, 20, 8, 0.1);
}

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

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

.field span {
  font-size: 0.92rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card-strong);
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.field input:focus {
  border-color: rgba(214, 90, 49, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 0 0 4px rgba(214, 90, 49, 0.1);
}

.recovery-section {
  margin-top: 18px;
}

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

.recovery-inputs {
  display: grid;
  gap: 10px;
}

.recovery-row {
  display: grid;
  grid-template-columns: minmax(110px, 0.8fr) minmax(140px, 1fr) 42px;
  gap: 10px;
  align-items: end;
  padding: 12px;
  border: 1px solid rgba(74, 48, 17, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.42);
}

.compact-field input {
  padding: 12px 14px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(74, 48, 17, 0.1);
  border-radius: 50%;
  background: rgba(31, 20, 8, 0.06);
  color: var(--ink);
  cursor: pointer;
  font: 700 1.3rem/1 "Space Grotesk", sans-serif;
  transition: transform 180ms ease, background 180ms ease;
}

.icon-button:hover {
  transform: translateY(-1px);
  background: rgba(214, 90, 49, 0.14);
}

.quick-tips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.quick-tips div,
.break-even,
.notes-grid article {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(74, 48, 17, 0.08);
}

.quick-tips strong,
.notes-grid strong,
.break-even-label {
  display: block;
  margin-bottom: 6px;
}

.quick-tips p,
.notes-grid p,
.break-even-label,
.metric-card small {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

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

.window-grid {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.window-card,
.callout-card,
.empty-state {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(74, 48, 17, 0.08);
}

.window-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.window-head h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
}

.window-head p {
  margin: 0;
  color: var(--muted);
}

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

.metric-card {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(74, 48, 17, 0.08);
  transform: translateY(12px);
  opacity: 0;
  animation: rise 500ms ease forwards;
}

.metric-card:nth-child(2) { animation-delay: 40ms; }
.metric-card:nth-child(3) { animation-delay: 80ms; }
.metric-card:nth-child(4) { animation-delay: 120ms; }
.metric-card:nth-child(5) { animation-delay: 160ms; }
.metric-card:nth-child(6) { animation-delay: 200ms; }
.metric-card:nth-child(7) { animation-delay: 240ms; }
.metric-card:nth-child(8) { animation-delay: 280ms; }

.metric-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-card strong,
.break-even strong {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1;
}

.metric-card.accent {
  color: #fff4ef;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
}

.metric-card.accent span,
.metric-card.accent small {
  color: rgba(255, 244, 239, 0.84);
}

.callout-card {
  margin-top: 16px;
}

.callout-card strong {
  display: block;
  font-size: 1.05rem;
  line-height: 1.7;
}

.empty-state strong {
  display: block;
  margin-bottom: 6px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.notes-panel {
  margin-top: 18px;
  padding: 24px;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

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

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

@media (max-width: 640px) {
  .shell {
    width: min(100vw - 20px, 100%);
    padding-top: 28px;
  }

  .input-panel,
  .result-panel,
  .notes-panel {
    padding: 18px;
  }

  .field-grid,
  .summary-strip,
  .window-metrics,
  .recovery-row,
  .quick-tips,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .icon-button {
    width: 100%;
    border-radius: 14px;
  }

  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }
}