@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --font-display: "Archivo Black", "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ink: #14171b;
  --cream: #fbf1e6;
  --paper: #fffaf4;
  --line: #e8d9c8;
  --line-strong: #d9c3a9;
  --muted: #766c60;

  --coral: #ef6459;
  --coral-strong: #dd4f44;
  --coral-ink: #fff8f4;
  --teal: #33b888;
  --teal-strong: #269a70;
  --teal-ink: #ffffff;

  --radius-lg: 22px;
  --radius: 14px;
  --radius-sm: 12px;
  --shadow: 0 24px 50px rgba(35, 22, 12, .10);
  --shadow-lg: 0 30px 60px rgba(20, 60, 45, .22);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background-color: var(--cream);
  background-image:
    radial-gradient(1100px 620px at 10% -12%, rgba(239, 100, 89, .18), transparent 60%),
    radial-gradient(900px 520px at 95% 0%, rgba(51, 184, 136, .14), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: color-mix(in srgb, var(--coral) 30%, transparent);
  color: var(--ink);
}

.shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 30px;
}

h1 {
  margin: 4px 0 14px;
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2.1rem, 1.3rem + 3vw, 3.4rem);
  letter-spacing: -.01em;
  line-height: 1.02;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.lede {
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.05rem;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: .78rem;
  font-weight: 700;
  color: var(--coral-strong);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.result-card .eyebrow { color: rgba(255, 255, 255, .8); }

.status-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  padding: 9px 16px 9px 13px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--paper);
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 25%, transparent);
}

@media (prefers-reduced-motion: no-preference) {
  .status-pill::before { animation: pulse 2.4s ease-in-out infinite; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.card {
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-top: 4px solid var(--coral);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 18px 0;
  box-shadow: var(--shadow);
}

.result-card {
  background: linear-gradient(165deg, var(--teal), var(--teal-strong));
  border: none;
  color: var(--teal-ink);
  box-shadow: var(--shadow-lg);
}

.notes {
  background: none;
  border: none;
  border-top: 1.5px dashed var(--line-strong);
  border-radius: 0;
  box-shadow: none;
  padding: 24px 2px 0;
}

.notes h2 { margin-bottom: 8px; }
.notes p { margin: 0; }

.grid { display: grid; gap: 16px; }

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

.fields {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.fields > label {
  align-self: start;
  align-content: start;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  font-size: .84rem;
  color: var(--ink);
  font-weight: 600;
}

input,
select {
  width: 100%;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font: inherit;
  font-family: var(--font-sans);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}

select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 36px;
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%23766C60' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}

input:hover,
select:hover {
  border-color: var(--line-strong);
}

input:focus-visible,
select:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--coral) 45%, transparent);
  outline-offset: 1px;
  border-color: var(--coral);
}

.operation-help,
.field-help,
.advanced-tools > p,
.notes p {
  color: var(--muted);
  line-height: 1.55;
  font-size: .96rem;
}

.operation-help { margin: 20px 0 0; }

.field-help {
  margin: -2px 0 0;
  font-size: .79rem;
  line-height: 1.4;
}

.advanced-tools {
  margin-top: 24px;
  border-top: 1.5px dashed var(--line-strong);
  padding-top: 18px;
}

.advanced-tools summary {
  cursor: pointer;
  font-weight: 700;
  font-size: .93rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
}

.advanced-tools summary::-webkit-details-marker { display: none; }

.advanced-tools summary::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-right: 2px solid var(--coral);
  border-bottom: 2px solid var(--coral);
  transform: rotate(-45deg);
  transition: transform .18s var(--ease);
}

.advanced-tools[open] summary::before { transform: rotate(45deg); }

.advanced-tools > p { margin: 12px 0 12px; }

.actions {
  display: flex;
  gap: 12px;
  margin-top: 26px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 13px 24px;
  font: inherit;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  background: var(--coral);
  color: var(--coral-ink);
  box-shadow: 0 10px 24px rgba(239, 100, 89, .32);
  transition: background .15s var(--ease), transform .05s var(--ease), box-shadow .15s var(--ease);
}

button:hover { background: var(--coral-strong); }
button:active { transform: translateY(1px); }

button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--coral) 55%, transparent);
  outline-offset: 2px;
}

button.secondary {
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  box-shadow: none;
}

button.secondary:hover { background: var(--cream); }

.result-card button.secondary {
  background: var(--paper);
  color: var(--teal-strong);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .14);
}

.result-card button.secondary:hover { background: #fff; }

.result-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

output {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.35rem, .95rem + 2.2vw, 2.2rem);
  color: var(--teal-ink);
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  .hero { display: block; }

  .status-pill {
    display: inline-flex;
    margin-top: 18px;
  }

  .grid.two,
  .fields {
    grid-template-columns: 1fr;
  }

  .result-heading { align-items: flex-start; }
}


.hero {
  align-items: center;
}

.hero h1 {
  margin: 0;
}

.result-label {
  margin: 0 0 8px;
  font-size: .78rem;
  font-weight: 700;
  color: rgba(255, 255, 255, .82);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.advanced-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 14px;
}

.advanced-buttons button {
  padding: 10px 16px;
  border: 1.5px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
  box-shadow: none;
  font-size: .84rem;
}

.advanced-buttons button:hover {
  background: var(--cream);
  border-color: var(--coral);
}

[hidden] {
  display: none !important;
}

/* Final UI cleanup */
.actions > button[type="submit"] {
  box-shadow: none;
}

.fields > label.full {
  grid-column: 1 / -1;
}