/* Codemorphis — global stylesheet. Techno-magic: deep navy and violet, gold and copper energy, turquoise accents. */

:root {
  color-scheme: dark;

  --night-950: #070616;
  --night-900: #0b0920;
  --night-800: #120f33;
  --night-700: #1a1648;
  --violet-500: #6d4fd6;
  --gold: #e6b655;
  --gold-soft: #f4d58d;
  --copper: #c9803f;
  --turquoise: #2fd0c4;
  --turquoise-deep: #1a9d9a;

  --text: #ece9f7;
  --muted: #a7a1c7;
  --faint: #7c76a3;
  --border: rgba(230, 182, 85, 0.2);
  --border-strong: rgba(230, 182, 85, 0.5);
  --surface: rgba(24, 20, 66, 0.62);
  --surface-solid: #15123a;
  --field: #0a0820;

  --ok: #5ee0a0;
  --warn: #f1c453;
  --error: #ff8a80;

  --radius: 16px;
  --radius-sm: 10px;
  --font-display: "Cinzel", "Trajan Pro", "Optima", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.8, 0.28, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--night-900);
  font: 16px/1.6 var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

/* A slow aurora behind everything */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 36rem at 15% -10%, rgba(109, 79, 214, 0.35), transparent 60%),
    radial-gradient(50rem 30rem at 95% 5%, rgba(47, 208, 196, 0.16), transparent 60%),
    radial-gradient(40rem 26rem at 50% 110%, rgba(201, 128, 63, 0.14), transparent 60%),
    linear-gradient(180deg, var(--night-950), var(--night-900) 40%, var(--night-800));
}

a { color: var(--turquoise); }
code { font-family: var(--font-mono); font-size: 0.88em; color: var(--gold-soft); }
.muted { color: var(--muted); }

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

/* ---------- hero ---------- */

/* The first screen fills the whole viewport on every device, so the button below really has somewhere to scroll to */
.hero {
  min-height: 100vh;
  min-height: 100svh; /* the visible height on phones, whose address bar comes and goes */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 6vw, 72px) 20px clamp(32px, 6vw, 64px);
  text-align: center;
}

.hero-inner { max-width: 880px; margin: 0 auto; }

.emblem {
  display: block;
  width: min(300px, 62vw);
  height: auto;
  margin: 0 auto 8px;
  filter: drop-shadow(0 0 22px rgba(47, 208, 196, 0.35)) drop-shadow(0 0 40px rgba(230, 182, 85, 0.18));
  animation: emblem-float 7s ease-in-out infinite, rise 0.9s var(--ease) both;
}

/* The wordmark: stretched letters, gold to turquoise gradient, a glow and a slow shimmer */
.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 8.5vw, 5rem);
  line-height: 1.1;
  letter-spacing: 0.16em;
  text-indent: 0.16em; /* balances the trailing letter space so the word is centered */
  filter: drop-shadow(0 0 18px rgba(230, 182, 85, 0.35));
  animation: rise 0.9s 0.1s var(--ease) both;
}

.wordmark span {
  display: inline-block;
  transform: scaleY(1.12);
  transform-origin: center bottom;
  color: transparent;
  background: linear-gradient(100deg, var(--gold) 0%, var(--gold-soft) 22%, var(--turquoise) 55%, var(--gold) 85%, var(--gold-soft) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer 7s linear infinite;
}

.tagline {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-soft);
  animation: rise 0.9s 0.2s var(--ease) both;
}

.lead {
  margin: 18px auto 26px;
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  animation: rise 0.9s 0.3s var(--ease) both;
}

.hero-cta {
  display: inline-block;
  padding: 11px 26px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--gold-soft);
  text-decoration: none;
  letter-spacing: 0.06em;
  background: rgba(230, 182, 85, 0.06);
  transition: background 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
  animation: rise 0.9s 0.4s var(--ease) both;
}
.hero-cta .chevron { display: inline-block; margin-left: 6px; animation: nudge 1.8s ease-in-out infinite; }
.hero-cta:hover { background: rgba(230, 182, 85, 0.14); box-shadow: 0 0 28px rgba(230, 182, 85, 0.28); transform: translateY(-2px); }

/* ---------- layout ---------- */

main { max-width: 1240px; margin: 0 auto; padding: 0 20px 40px; }

.reveal { animation: rise 0.8s var(--ease) both; animation-delay: var(--delay, 0.45s); }
.cards .reveal:nth-child(2) { --delay: 0.6s; }

.workspace,
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(3, 2, 14, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.workspace { padding: clamp(16px, 3vw, 28px); scroll-margin-top: 16px; }

.workspace-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
}

/* ---------- mode switch ---------- */

.modes {
  position: relative;
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--field);
}

.indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(230, 182, 85, 0.9), rgba(201, 128, 63, 0.9));
  box-shadow: 0 0 20px rgba(230, 182, 85, 0.35);
  transition: transform 0.45s var(--ease), width 0.45s var(--ease);
}

.mode {
  position: relative;
  z-index: 1;
  padding: 8px 20px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.3s;
  white-space: nowrap;
}
.mode i { font-style: normal; opacity: 0.8; margin: 0 2px; }
.mode:hover { color: var(--text); }
.mode.active { color: var(--night-950); }

/* ---------- panels ---------- */

.panel.active { animation: panel-in 0.5s var(--ease) both; }

.options {
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(10, 8, 32, 0.5);
}
.options summary { padding: 10px 14px; cursor: pointer; color: var(--muted); }
.options[open] summary { color: var(--gold-soft); }
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  padding: 4px 14px 14px;
}

label { display: block; color: var(--muted); font-size: 0.85rem; }
.check { display: flex; align-items: flex-end; gap: 8px; padding-bottom: 9px; }
.check input { width: auto; margin: 0; accent-color: var(--gold); }

input[type="text"], input[type="number"], textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  color: var(--text);
  background: var(--field);
  border: 1px solid rgba(167, 161, 199, 0.28);
  border-radius: var(--radius-sm);
  font: inherit;
  transition: border-color 0.25s, box-shadow 0.25s;
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(230, 182, 85, 0.22), 0 0 24px rgba(230, 182, 85, 0.12);
}

textarea {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.55;
  resize: vertical;
  min-height: 240px;
  tab-size: 2;
}
textarea.result { color: var(--gold-soft); }

.editors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 16px;
}
.editor { position: relative; }

.copy {
  position: absolute;
  top: 28px;
  right: 10px;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(21, 18, 58, 0.9);
  color: var(--muted);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.copy:hover { color: var(--gold-soft); border-color: var(--border-strong); }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

/* ---------- the spell button ---------- */

.spell {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 12px 36px;
  border: 0;
  border-radius: 999px;
  color: var(--night-950);
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  background: linear-gradient(120deg, var(--gold), var(--copper));
  box-shadow: 0 6px 22px rgba(201, 128, 63, 0.35);
  transition: transform 0.25s var(--ease), box-shadow 0.35s;
}
.spell::before { /* the glow that sweeps across on hover */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 20%, rgba(47, 208, 196, 0.85) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}
.spell:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(230, 182, 85, 0.55), 0 0 44px rgba(47, 208, 196, 0.35);
  animation: glow 1.8s ease-in-out infinite;
}
.spell:hover:not(:disabled)::before { transform: translateX(120%); }
.spell:active:not(:disabled) { transform: translateY(0) scale(0.98); }
.spell.pulse { animation: pulse 0.7s ease-out; }
.spell:disabled { cursor: not-allowed; filter: saturate(0.5) brightness(0.8); box-shadow: none; }
.spell.busy span::after { content: " …"; }

/* ---------- status and diagnostics ---------- */

.status { margin: 0; min-height: 1.5em; color: var(--muted); }
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }
.status.error { color: var(--error); }
.status.limit {
  padding: 8px 14px;
  border: 1px solid rgba(241, 196, 83, 0.4);
  border-radius: var(--radius-sm);
  background: rgba(241, 196, 83, 0.08);
  color: var(--warn);
}

.diagnostics { list-style: none; margin: 14px 0 0; padding: 0; font-size: 0.86rem; font-family: var(--font-mono); }
.diagnostics li { padding: 3px 0 3px 12px; border-left: 2px solid transparent; }
.diagnostics .error { color: var(--error); border-color: var(--error); }
.diagnostics .warning { color: var(--warn); border-color: var(--warn); }
.diagnostics .info { color: var(--faint); border-color: var(--faint); }

/* ---------- cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 20px;
  margin-top: 24px;
}
.card { padding: clamp(18px, 3vw, 28px); scroll-margin-top: 16px; }
.card h2 { margin-bottom: 10px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card strong { color: var(--text); }

.code-block { position: relative; margin: 14px 0; }
.code-block pre {
  margin: 0;
  padding: 16px 16px 16px;
  overflow-x: auto;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  line-height: 1.55;
}
.code-block code { color: var(--text); }
.code-block .copy { top: 8px; }

.facts { margin: 12px 0 0; padding: 0; list-style: none; }
.facts li { position: relative; padding: 4px 0 4px 22px; color: var(--muted); }
.facts li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.95em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--gold), var(--turquoise));
}

/* ---------- footer ---------- */

footer { border-top: 1px solid var(--border); background: rgba(7, 6, 22, 0.6); }
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-mark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  background: linear-gradient(100deg, var(--gold), var(--turquoise));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- animation ---------- */

@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes nudge { 0%, 100% { transform: translateY(-1px); } 50% { transform: translateY(4px); } }
@keyframes panel-in { from { opacity: 0; transform: translateX(22px) scale(0.99); } to { opacity: 1; transform: none; } }
@keyframes shimmer { from { background-position: 0% 0; } to { background-position: -220% 0; } }
@keyframes emblem-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }
@keyframes glow {
  0%, 100% { box-shadow: 0 8px 32px rgba(230, 182, 85, 0.45), 0 0 36px rgba(47, 208, 196, 0.25); }
  50% { box-shadow: 0 8px 36px rgba(230, 182, 85, 0.7), 0 0 56px rgba(47, 208, 196, 0.5); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 208, 196, 0.75), 0 0 0 0 rgba(230, 182, 85, 0.7); }
  100% { box-shadow: 0 0 0 26px rgba(47, 208, 196, 0), 0 0 0 46px rgba(230, 182, 85, 0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- small screens ---------- */

@media (max-width: 560px) {
  .modes { width: 100%; }
  .mode { flex: 1; padding: 8px 10px; }
  .spell { width: 100%; }
  .copy { top: 28px; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
}

/* room for the copy buttons above the text */
textarea.result { padding-top: 34px; }
.code-block pre { padding-top: 38px; }

/* footer signature */
.github {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s;
}
.github:hover { color: var(--turquoise); }
.github svg { flex: none; }