:root {
  --ink: #10233f;
  --muted: #52708e;
  --paper: #eaf5ff;
  --card: rgba(255, 255, 255, .88);
  --line: #c7ddec;
  --mint: #d4ecff;
  --green: #12609a;
  --orange: #287db8;
  --shadow: 0 18px 50px rgba(10, 47, 86, .14);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(135deg, #071a38 0%, #123d6d 28%, #b9e1ff 100%);
  background-attachment: fixed;
  font-family: Georgia, 'Times New Roman', serif;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .22;
  background-image: linear-gradient(rgba(255, 255, 255, .35) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .35) 1px, transparent 1px);
  background-size: 28px 28px;
}
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
header { padding: 54px 0 36px; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.kicker { color: #c9ecff; font: 700 12px/1.2 Arial, sans-serif; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 9px 0 0; color: #fff; font-size: clamp(38px, 6vw, 72px); line-height: .92; letter-spacing: -.04em; font-weight: 700; }
.intro { max-width: 330px; margin: 0 0 4px; color: #e2f3ff; font: 15px/1.55 Arial, sans-serif; }
.summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 20px; margin-bottom: 24px; border: 1px solid rgba(255,255,255,.55); border-radius: 8px; background: rgba(255,255,255,.84); box-shadow: var(--shadow); }
.summary strong { display: block; font: 700 11px/1.2 Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
#summary-text { margin-top: 4px; font-size: 18px; }
button { border: 0; border-radius: 5px; cursor: pointer; font: 700 12px Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.reset { padding: 11px 15px; color: #fff; background: var(--green); }
.reset:hover { background: #0b4d7f; }
.summary-actions { display: flex; align-items: center; gap: 10px; }
.tool-link { padding: 11px 15px; border: 1px solid var(--green); border-radius: 5px; color: var(--green); background: transparent; font: 700 12px Arial, sans-serif; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.tool-link:hover { color: #fff; background: var(--green); }
.filled-link { display: inline-block; color: #fff; background: var(--green); }
.filled-link:hover { background: #0b4d7f; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-bottom: 52px; }
.recipe { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--card); box-shadow: var(--shadow); animation: rise .55s both; }
.recipe:nth-child(2) { animation-delay: .08s; } .recipe:nth-child(3) { animation-delay: .16s; }
.recipe-head { padding: 26px 24px 22px; border-bottom: 1px solid var(--line); background: linear-gradient(145deg, #c9eaff, #edf8ff); }
.recipe:nth-child(2) .recipe-head { background: linear-gradient(145deg, #d5e8ff, #f4faff); } .recipe:nth-child(3) .recipe-head { background: linear-gradient(145deg, #bfddf4, #edf7ff); }
.number { color: var(--muted); font: 700 11px Arial, sans-serif; letter-spacing: .12em; }
h2 { margin: 9px 0 20px; font-size: 35px; line-height: 1; letter-spacing: -.04em; }
label { display: block; color: var(--muted); font: 700 11px Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
input { width: 100%; margin-top: 8px; padding: 12px 13px; border: 1px solid #a8c9e1; border-radius: 5px; outline: none; color: var(--ink); background: rgba(255,255,255,.75); font: 700 22px Georgia, serif; }
input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(18,96,154,.14); }
.ingredients { padding: 21px 24px 25px; }
.ingredient-title { margin-bottom: 12px; color: var(--muted); font: 700 11px Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; }
ul { padding: 0; margin: 0; list-style: none; }
li { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid #e4eef6; font-size: 17px; }
li:last-child { border-bottom: 0; }
.amount { flex: 0 0 auto; color: var(--green); font: 700 16px Arial, sans-serif; }
footer { padding: 0 0 34px; color: #e2f3ff; font: 12px/1.5 Arial, sans-serif; text-align: center; }
.flow-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; align-items: end; padding: 18px; margin-bottom: 18px; border: 1px solid rgba(255,255,255,.55); border-radius: 8px; background: rgba(255,255,255,.84); box-shadow: var(--shadow); }
.flow-toolbar input, .flow-toolbar select { margin-top: 7px; padding: 11px 12px; border: 1px solid #a8c9e1; border-radius: 5px; color: var(--ink); background: #fff; font: 15px Arial, sans-serif; }
.flow-toolbar input { width: 100%; }
.flow-button { padding: 12px 15px; color: #fff; background: var(--green); }
.flow-button.secondary { color: var(--green); background: var(--mint); }
.diagram-container { position: relative; min-height: 490px; overflow-x: hidden; overflow-y: auto; border: 1px solid rgba(255,255,255,.55); border-radius: 8px; background: rgba(235, 247, 255, .88); box-shadow: var(--shadow); }
.diagram-container svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.diagram-box { position: absolute; display: flex; width: 170px; height: 64px; flex-direction: column; justify-content: center; padding: 10px 14px; border: 2px solid #8db7d6; border-radius: 6px; color: var(--ink); background: #fff; box-shadow: 0 8px 20px rgba(10, 47, 86, .14); }
.diagram-box strong { display: block; overflow-wrap: anywhere; font: 700 16px Georgia, serif; }
.diagram-box small { display: block; margin-top: 5px; color: var(--muted); font: 10px Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.result-box { border-width: 2px; }
.result-lemon { border-color: #bd941b; background: #f7dc68; color: #302702; }
.result-emerald { border-color: #287c54; background: #8bd3a9; color: #103d28; }
.result-ruby { border-color: #a62f3b; background: #f0808c; color: #4a1018; }
.result-frosty { border-color: #6fa9d2; background: #c5e5f8; color: #163b58; }
.result-grape { border-color: #81539e; background: #c9a7dc; color: #32133f; }
.result-midnight-diesel { border-color: #173b72; background: #315d9e; color: #fff; }
.result-romance { border-color: #ba507b; background: #f1a8c5; color: #50152e; }
.result-crimson { border-color: #76232d; background: #a83e49; color: #fff; }
.result-box small { color: inherit; opacity: .78; }
.node-remove { position: absolute; top: 7px; right: 8px; padding: 0; color: var(--muted); background: transparent; font-size: 16px; line-height: 1; }
.node-remove:hover { color: #a33b42; }
.empty-flow { position: absolute; inset: 0; display: grid; place-items: center; padding: 30px; color: var(--muted); font: 14px/1.5 Arial, sans-serif; text-align: center; }
.flow-note { margin: 12px 0 0; color: #e2f3ff; font: 12px/1.5 Arial, sans-serif; }
@media (max-width: 700px) { .flow-toolbar { grid-template-columns: 1fr; } .summary-actions { align-items: stretch; flex-direction: column; width: 100%; } .tool-link, .reset { text-align: center; } }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 850px) { header { display: block; } .intro { margin-top: 20px; } .cards { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .shell { width: min(100% - 24px, 500px); } header { padding-top: 34px; } .summary { align-items: start; flex-direction: column; } .reset { width: 100%; } }