@font-face { font-family: "Syne Mono"; src: url("/SyneMono-Regular.ttf") format("truetype"); font-display: swap; }

/* Layout: one instrument (the dial) beside its readout; below, the drift of tides and the formula as plain text. Single dark world: Flaptown v5. */
:root {
  color-scheme: dark;
  --onyx: #0e1010; --plate: #161818; --pocket: #080909; --mocha: #412828;
  --oak: #c9bab0; --rose: #b7958c; --dusty: #937f6d; --clay: #a46f67;
  --light: #e3c58f; --dark: #3e4158; --done: #9ea3c8;
  --mono: "Syne Mono", ui-monospace, "DejaVu Sans Mono", monospace;
  --display: "Syne Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
.keys { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
body { margin: 0; background: var(--onyx); color: var(--oak); font: 15px/1.65 var(--mono); }
.wrap { max-width: 1120px; margin: 0 auto; padding-block: 32px 64px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); display: grid; gap: 40px; }
h1 { font: 400 clamp(32px, 6vw, 56px)/1.05 var(--display); letter-spacing: .02em; margin: 0; text-wrap: balance; }
h2 { font: 400 20px/1.3 var(--display); margin: 0 0 12px; text-wrap: balance; }
.lbl { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--dusty); }
p { margin: 0; max-width: 66ch; }
.intro { display: grid; gap: 14px; }
.intro p { color: var(--rose); }
.stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; }
@media (max-width: 820px) { .stage { grid-template-columns: 1fr; } }
.dialbox { position: relative; width: 100%; max-width: 520px; aspect-ratio: 1; justify-self: center; }
canvas { width: 100%; height: 100%; display: block; }
.readout { display: grid; gap: 18px; min-width: 0; }
.tide { font: 400 clamp(40px, 7vw, 64px)/1 var(--display); letter-spacing: .03em; }
.tide.light { color: var(--light); } .tide.dark { color: var(--done); }
.big { font-size: clamp(34px, 6vw, 52px); line-height: 1.05; font-variant-numeric: tabular-nums; }
.rows { display: grid; gap: 6px; }
.row { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid #1d1414; padding: 6px 0; font-variant-numeric: tabular-nums; }
.row span:first-child { color: var(--dusty); }
.beat { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--clay); margin-right: 10px; vertical-align: middle; opacity: .25; transition: opacity .6s ease; }
.beat.on { opacity: 1; transition: none; box-shadow: 0 0 10px var(--clay); }
.panel { background: var(--plate); border-radius: 12px; padding: 24px; box-shadow: inset 0 1px 0 #c9bab014, 0 2px 0 #000, 0 10px 24px #00000080; min-width: 0; }
.grid2 { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }
.drift { display: grid; gap: 8px; }
.dr { display: grid; grid-template-columns: 76px minmax(0, 1fr) 92px; gap: 10px; align-items: center; font-size: 13px; font-variant-numeric: tabular-nums; }
.dr.now { color: var(--light); }
.bar { height: 12px; border-radius: 3px; background: var(--dark); overflow: hidden; display: flex; }
.bar i { display: block; height: 100%; background: var(--light); }
.dr span:last-child { text-align: right; color: var(--dusty); }
.dr.now span:last-child { color: var(--light); }
.tbl { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; line-height: 1.5; margin-top: 12px; }
th { text-align: left; font-weight: 400; color: var(--dusty); padding: 8px 10px; border-bottom: 1px solid var(--mocha); }
td { padding: 8px 10px; border-bottom: 1px solid #1d1414; vertical-align: top; }
td:first-child { color: var(--light); white-space: nowrap; }
td.n, th.n { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tk-keys { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.tk-custom { margin-bottom: 14px; }
.tk-timer { display: grid; gap: 8px; padding: 16px; background: var(--pocket); border-radius: 8px; }
.tk-timer.done .big { color: var(--light); }
.tk-bar { height: 8px; border-radius: 4px; background: var(--dark); overflow: hidden; }
.tk-bar i { display: block; height: 100%; width: 100%; background: var(--light); transform-origin: left; }
.tk-form { display: grid; gap: 12px; margin-top: 14px; }
.tk-form input#mk-name { width: 100%; }
.tk-when { display: flex; flex-wrap: wrap; gap: 10px; }
.tk-when label { display: grid; gap: 4px; }
.tk-when input { width: 90px; }
select { font: inherit; color: var(--oak); background: var(--pocket); border: 1px solid #000; border-bottom-color: var(--mocha); border-radius: 6px; padding: 8px 10px; }
.tk-meet input { width: 260px; max-width: 100%; }
.tk-check input { width: auto; padding: 0; }
.tk-check { display: flex; gap: 8px; align-items: center; color: var(--rose); font-size: 13px; }
.tk-marks { display: grid; gap: 8px; margin-top: 16px; }
.tk-mark { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 10px 12px; background: var(--pocket); border-radius: 6px; font-size: 13px; }
.tk-mark b { font-weight: 400; color: var(--light); }
.tk-mark .when { color: var(--dusty); grid-column: 1 / -1; font-variant-numeric: tabular-nums; }
.tk-mark .acts { display: flex; gap: 6px; }
.tk-mark button { padding: 6px 10px; font-size: 11px; }
.tk-mark.due { box-shadow: inset 3px 0 0 var(--light); }
pre { margin: 0; white-space: pre-wrap; font: 13px/1.7 var(--mono); color: var(--oak); background: var(--pocket); padding: 16px; border-radius: 8px; overflow-x: auto; }
.place { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.place label { display: grid; gap: 4px; }
input { font: inherit; color: var(--oak); background: var(--pocket); border: 1px solid #000; border-bottom-color: var(--mocha); border-radius: 6px; padding: 8px 10px; width: 130px; }
button { font: 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--oak); background: #3e415833; border: 1.5px solid #737078b3; border-radius: 6px; padding: 12px 16px; cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--oak); outline-offset: 2px; }
.note { color: var(--dusty); font-size: 13px; }
dl { margin: 0; display: grid; gap: 12px; }
dt { color: var(--light); font-family: var(--display); font-weight: 400; }
dd { margin: 0; color: var(--rose); }
@media (prefers-reduced-motion: reduce) { .beat { transition: none; } }
.tf-s1 { margin-top:16px }
.tf-s2 { margin-top:12px }
.tf-s3 { margin-top:10px }
.tf-dlrow { margin-top: 12px; }
.tf-dl { display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px; border-radius: 6px; border: 1.5px solid var(--rose); background: #b7958c26; color: var(--oak); text-decoration: none; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.tf-dl:hover { color: var(--oak); border-color: var(--oak); }