:root {
  color-scheme: dark;
  --bg: #030712;
  --panel: #111827;
  --line: #374151;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #93c5fd;
  --mix: #60a5fa;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
.shell { width: min(100% - 48px, 1140px); margin: 0 auto; }
.masthead, .brand, .actions, .plan-top, .mix-tools, .form-footer {
  display: flex; align-items: center; gap: 12px;
}
.masthead { justify-content: space-between; padding: 22px 0; border-bottom: 1px solid var(--line); }
.brand { font-weight: 850; letter-spacing: .15em; font-size: .86rem; }
.intro { padding: 38px 0 28px; }
.eyebrow { color: var(--accent); letter-spacing: .18em; font-size: .71rem; font-weight: 800; }
h1 { margin: 5px 0 10px; font-size: clamp(2.65rem, 7vw, 5rem); line-height: .98; letter-spacing: -.07em; }
.intro p { margin: 0; color: var(--muted); }
.jump { display: none; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 20px; align-items: start; }
form, .results { display: grid; gap: 14px; min-width: 0; }
.panel { padding: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; }
h2 { margin: 0 0 14px; font-size: 1.12rem; letter-spacing: -.025em; }
form h2 span { color: var(--accent); margin-right: 6px; font-size: .74rem; letter-spacing: .05em; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.fields .wide { grid-column: 1 / -1; }
label { color: var(--text); font-size: .86rem; font-weight: 620; }
label small { color: var(--muted); font-size: .77rem; font-weight: 500; white-space: nowrap; }
input, select {
  display: block; width: 100%; min-width: 0; min-height: 44px; margin-top: 5px;
  border-radius: 9px; border: 1px solid var(--line); background: #030712; color: var(--text);
  font: inherit; font-weight: 530; font-size: 1rem; padding: 8px 10px;
}
input::placeholder { color: #a4b7aa; font-size: .83rem; }
input[readonly] { color: var(--muted); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
input:user-invalid { border-color: #ffae88; }
button, .button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 7px 12px;
  background: #1f2937; color: var(--accent); border: 1px solid #374151; border-radius: 9px;
  font: inherit; font-size: .8rem; font-weight: 700; text-decoration: none; cursor: pointer;
}
button:hover, .button:hover { background: #374151; }
.hint, footer, .form-footer { color: var(--muted); font-size: .84rem; line-height: 1.55; }
.hint { margin: 0 0 12px; }
.fields + .hint, .nutrition .hint { margin: 11px 0 0; }
.mix-tools { justify-content: space-between; margin-top: 10px; flex-wrap: wrap; }
.mix-tools .hint { margin: 0; }
.nutrition { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
summary { color: var(--text); cursor: pointer; font-size: .85rem; font-weight: 650; padding: 6px 0; }
.nutrition .fields { margin-top: 8px; }
.bladder { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 14px; }
.bladder h3 { margin: 0 0 6px; font-size: .96rem; }
.bladder .hint:last-child { margin: 10px 0 0; }
.sources { font-size: .84rem; margin: 8px 0 0; }
a { color: var(--accent); }
.sources a + a { margin-left: 12px; }
.form-footer { justify-content: space-between; }
.plan { background: #111c35; border-color: #1d4ed8; }
.plan-top { justify-content: space-between; margin-bottom: 15px; }
.plan-top h2 { margin: 0; font-size: 1.32rem; }
.badge { border: 1px solid #3b82f6; border-radius: 999px; padding: 5px 10px; color: var(--accent); font-size: .78rem; font-weight: 700; white-space: nowrap; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.metrics > div { padding: 12px 9px; background: #030712; border-radius: 10px; min-width: 0; }
.metrics span { display: block; color: var(--muted); font-size: .64rem; font-weight: 800; letter-spacing: .12em; }
.metrics strong { display: block; margin: 4px 0; font-size: clamp(1.02rem, 2.45vw, 1.65rem); letter-spacing: -.055em; overflow-wrap: anywhere; }
.metrics p { margin: 0; color: var(--muted); font-size: .72rem; line-height: 1.4; }
.breakdown { margin-top: 18px; }
.breakdown > div:first-child, .legend { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; font-size: .83rem; }
#fuelStatus { font-weight: 700; }
#fuelFraction, .legend { color: var(--muted); }
.bar { display: flex; height: 9px; margin: 8px 0; overflow: hidden; border-radius: 8px; background: #374151; }
#mixBar { background: var(--mix); }
#gelBar { background: var(--accent); }
.legend span::before { content: ""; width: 8px; height: 8px; border-radius: 100%; display: inline-block; margin-right: 6px; background: var(--mix); }
.legend span + span::before { background: var(--accent); }
.warnings, #error { color: #ffcd9b; font-size: .86rem; line-height: 1.5; }
.warnings { margin: 14px 0 0; padding-left: 19px; }
.output h2 { margin-bottom: 8px; }
.output dl { margin: 0 0 10px; }
.output dl > div { display: grid; grid-template-columns: 1fr 1.3fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
dt { color: var(--muted); font-size: .88rem; }
dd { margin: 0; font-size: .88rem; font-weight: 680; text-align: right; }
.output .hint:last-child { margin-bottom: 0; }
.schedule { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); gap: 8px; }
.schedule li { border: 1px solid var(--line); border-radius: 9px; padding: 8px; font-variant-numeric: tabular-nums; font-size: .84rem; }
.schedule strong { display: block; color: var(--accent); font-size: .96rem; }
footer { padding: 20px 0 30px; }
@media (max-width: 740px) {
  .shell { width: calc(100% - 28px); }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .intro { padding: 28px 0 22px; }
  .jump { display: inline-block; margin-top: 10px; font-size: .85rem; }
}
@media (max-width: 380px) {
  .panel { padding: 14px; }
  .metrics > div { padding: 9px 6px; }
}
body.popup { width: 390px; }
.popup .masthead { padding: 12px 0; }
.popup .intro { padding: 16px 0; }
.popup h1 { font-size: 2.3rem; }
.popup .jump { display: none; }
.popup .layout { gap: 14px; }
.popup .results { display: contents; }
.popup .plan { order: -1; }

/* Match the portfolio and admin surfaces while retaining the compact planner. */
.panel { border-radius: 12px; }
.masthead, .actions, .form-footer { flex-wrap: wrap; }
.site-links { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 12px; }
.site-links a { min-height: 44px; display: inline-flex; align-items: center; }
dd, .hint { overflow-wrap: anywhere; }
label small { white-space: normal; }
button, .button { min-height: 44px; }
@media (max-width: 380px) {
  .fields { gap: 12px 8px; }
  .brand { letter-spacing: .08em; }
  .plan-top { flex-wrap: wrap; }
}

.settings-transfer{margin:1rem 0;text-align:left}.settings-transfer summary{cursor:pointer}.settings-transfer button{padding:.6rem 1rem;min-height:44px;margin:.5rem .8rem .5rem 0}.settings-transfer input{max-width:100%;margin:.5rem 0}.settings-transfer label{display:block}