:root {
  --rfc-night: #102a3b;
  --rfc-navy: #17485a;
  --rfc-teal: #16766f;
  --rfc-heather: #6f4d78;
  --rfc-brass: #d5a441;
  --rfc-paper: rgba(255, 253, 248, .96);
  --rfc-ink: #182a35;
  --rfc-muted: #596a73;
  --rfc-line: rgba(23, 72, 90, .18);
  --rfc-shadow: 0 18px 48px rgba(16, 42, 59, .13);
}

html { color-scheme: light; }
body {
  color: var(--rfc-ink) !important;
  background-color: #e9f0ee !important;
  background-image:
    linear-gradient(135deg, rgba(255,255,255,.76), rgba(227,238,235,.76)),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(111,77,120,.035) 42px 44px, transparent 44px 86px),
    repeating-linear-gradient(0deg, transparent 0 42px, rgba(213,164,65,.04) 42px 44px, transparent 44px 86px) !important;
  background-attachment: fixed !important;
}
header, .site-header, .topbar {
  background: linear-gradient(110deg, rgba(16,42,59,.98), rgba(23,72,90,.97) 62%, rgba(74,52,83,.96)) !important;
  border-bottom: 3px solid var(--rfc-brass) !important;
  box-shadow: 0 7px 24px rgba(16,42,59,.18);
}
header h1, header h1 span, header strong, .site-header .brand,
.site-header .nav-links a, .topbar .brand, .topbar .nav a,
.topbar a, nav strong, nav a { color: #fffdf7 !important; }
header p, header .subtitle { color: #d6e6e5 !important; }
.home-link { color: #f4cc75 !important; }
header a:hover, header a:focus, .site-header a:hover, .site-header a:focus,
.topbar a:hover, .topbar a:focus { color: #f4cc75 !important; }
.card, article, .panel, .tool-card, .support-card {
  border-color: var(--rfc-line) !important;
  background: var(--rfc-paper) !important;
  box-shadow: var(--rfc-shadow) !important;
}
.card, article, .panel { border-radius: 18px !important; }
h1, h2, h3, .tools-heading, .tool-card h3 { color: var(--rfc-night) !important; }
.eyebrow, .open-tool, .text-link { color: var(--rfc-teal) !important; }
.btn-primary, .cta, .btn-play {
  background: linear-gradient(135deg, var(--rfc-teal), var(--rfc-navy)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 7px 18px rgba(22,118,111,.22);
}
.btn-success {
  background: linear-gradient(135deg, var(--rfc-heather), #4d3658) !important;
  color: #fff !important;
  box-shadow: 0 7px 18px rgba(111,77,120,.22);
}
.btn-primary:hover:not(:disabled), .cta:hover, .btn-play:hover,
.btn-success:hover:not(:disabled) { filter: brightness(1.08) saturate(1.08); transform: translateY(-1px); }
.btn-secondary, .note, .formats span, .format-badge, .quick-start-row,
.parser-status, .drop-zone {
  background: rgba(235,243,240,.88) !important;
  border-color: rgba(22,118,111,.2) !important;
}
textarea, input, select, pre {
  border-color: rgba(23,72,90,.26) !important;
  background-color: rgba(255,255,255,.9) !important;
}
textarea:focus, input:focus, select:focus {
  border-color: var(--rfc-teal) !important;
  box-shadow: 0 0 0 3px rgba(22,118,111,.13) !important;
}
.tool-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 5px;
  border-radius: 18px 18px 0 0;
  background: linear-gradient(90deg, var(--rfc-teal), var(--rfc-brass), var(--rfc-heather));
}
.tool-icon {
  background: linear-gradient(145deg, #e0f2ee, #eef4f7) !important;
  color: var(--rfc-navy) !important;
  border: 1px solid rgba(213,164,65,.35);
}
.audio-controls.playback-toolbar {
  background: rgba(255,253,248,.96) !important;
  border-color: rgba(23,72,90,.2) !important;
  box-shadow: 0 10px 28px rgba(16,42,59,.16) !important;
}
.play-progress > div { background: linear-gradient(90deg, var(--rfc-teal), var(--rfc-brass)) !important; }
footer { color: var(--rfc-muted) !important; }
footer a { color: var(--rfc-navy) !important; }
@media (prefers-reduced-motion: no-preference) {
  .card, .panel, .tool-card, .btn, .cta { transition: transform .18s ease, box-shadow .18s ease, filter .18s ease; }
  .tool-card:hover { transform: translateY(-5px); }
}
@media (max-width: 600px) {
  body { background-attachment: scroll !important; }
  .card, article, .panel { border-radius: 14px !important; }
}
@media print { body { background: #fff !important; } }

/* ---- Visual refresh: depth, a hero banner and tidier tool pages ---- */

/* Soft colour washes behind the page so the background is not flat. */
body {
  background-image:
    radial-gradient(900px 420px at 8% -4%, rgba(22,118,111,.13), transparent 70%),
    radial-gradient(800px 420px at 100% 0%, rgba(111,77,120,.12), transparent 70%),
    radial-gradient(700px 400px at 50% 110%, rgba(213,164,65,.11), transparent 70%),
    linear-gradient(135deg, rgba(255,255,255,.76), rgba(227,238,235,.76)) !important;
}

/* Home page hero: dark banner with stave lines and a faint note motif. */
.hero {
  position: relative;
  overflow: hidden;
  max-width: none !important;
  padding: 52px 44px !important;
  border-radius: 24px;
  border-bottom: 4px solid var(--rfc-brass);
  background: linear-gradient(120deg, #102a3b 0%, #17485a 58%, #4a3453 100%);
  box-shadow: 0 22px 54px rgba(16,42,59,.28);
}
.hero::before {
  content: "";
  position: absolute; left: 58%; right: -2%; bottom: 40px;
  height: 54px;
  background: repeating-linear-gradient(to bottom, rgba(244,204,117,.34) 0 2px, transparent 2px 13px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 45%);
  mask-image: linear-gradient(90deg, transparent, #000 45%);
  pointer-events: none;
}
.hero::after {
  content: "\266B";
  position: absolute; right: 38px; top: 50%; transform: translateY(-52%);
  font-size: clamp(6rem, 16vw, 11rem); line-height: 1;
  color: rgba(244,204,117,.2);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 { color: #fffdf7 !important; }
.hero .lead { color: #d6e6e5 !important; }
.hero .eyebrow { color: #f4cc75 !important; }

/* Tool cards: stronger icons and a clearer call to action. */
.tool-icon { box-shadow: 0 6px 14px rgba(16,42,59,.1); }
.tool-card .open-tool { margin-top: 2px; }
.tool-card:hover .open-tool { text-decoration: underline; text-underline-offset: 4px; }
.tool-card:hover .tool-icon {
  background: linear-gradient(145deg, var(--rfc-teal), var(--rfc-navy)) !important;
  color: #fff !important;
}

/* Tune Book Builder intro gets the same accent rule under its heading. */
.intro h1::after {
  content: ""; display: block; width: 72px; height: 4px; margin-top: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--rfc-teal), var(--rfc-brass), var(--rfc-heather));
}

/* Music Engraver banner: give it room and finish the corners. */
.container > header {
  padding: 26px 24px 30px;
  border-radius: 20px;
  margin-bottom: 28px !important;
}
.container > header h1 { font-size: 2.2rem; }
.container > header h1 small { color: var(--rfc-brass) !important; }
.container > header h1 span { color: #d6e6e5 !important; }
.container > header p { margin-top: 10px; }

/* Replace the stock blue info/status colours with the site palette. */
.instructions {
  background: linear-gradient(135deg, #e6f3f0, #eef4f7) !important;
  border-left-color: var(--rfc-teal) !important;
}
.instructions p { color: var(--rfc-navy) !important; }
.instructions code { background: rgba(22,118,111,.16) !important; color: var(--rfc-night); }

/* Disabled buttons read as inactive rather than washed-out pink. */
.btn:disabled, button:disabled {
  filter: grayscale(.55) saturate(.7);
  opacity: .62;
  box-shadow: none !important;
  cursor: not-allowed;
}

@media (max-width: 720px) {
  .hero { padding: 34px 24px !important; border-radius: 18px; }
  .hero::before { left: 8%; bottom: 14px; opacity: .45; }
  .hero::after { right: 14px; opacity: .8; }
  .container > header { padding: 20px 16px 24px; border-radius: 16px; }
  .container > header h1 { font-size: 1.8rem; }
}