/* Colors: the three phase-1 tools (picker, tonal, contrast). Linked after site.css; uses its tokens only.
   Neutral chrome: every colour on these pages is content. */

/* ---------------------------------------------------------------- shared */
.tool { padding: 22px var(--gutter) 64px; }
.tool__head h1 { margin: 0; font-size: clamp(30px, 4.4vw, 44px); line-height: 1.04; letter-spacing: -0.025em; font-weight: 650; }
.tool__lede { margin: 8px 0 0; color: var(--fg2); font-size: 15.5px; max-width: 62ch; }
.subhead { font: 600 13px/1.2 var(--ui); color: var(--fg2); margin: 22px 0 10px; }
.cols--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.jump { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 18px; font-size: 13px; }
.jump a { color: var(--fg2); text-decoration: underline; text-decoration-color: var(--line2); text-underline-offset: 3px; }
.jump a:hover { color: var(--fg); text-decoration-color: var(--fg); }
.marks { display: inline-flex; flex-wrap: wrap; gap: 4px; align-items: center; }

/* Segmented control (tabs) */
.seg { display: inline-flex; flex-wrap: wrap; max-width: 100%; padding: 3px; gap: 2px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel2); }
.seg button { border: 0; background: none; padding: 5px 12px; border-radius: 7px; font: 500 13px var(--ui); color: var(--fg2); cursor: pointer; white-space: nowrap; }
.seg button:hover { color: var(--fg); }
.seg button[aria-selected="true"] { background: var(--panel); color: var(--fg); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12), inset 0 0 0 1px var(--line); }

/* Controls */
.ctrls { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: flex-end; margin-bottom: 12px; }
.ctrl { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--fg3); min-width: 0; }
.ctrl > span { font-weight: 500; }
.ctrl > span b { color: var(--fg); font-weight: 600; font-variant-numeric: tabular-nums; }
.ctrl > span small { font-weight: 400; margin-left: 6px; }
.ctrl--range input { width: 200px; max-width: 100%; accent-color: var(--fg); }
.ctrl--wide { flex: 1 1 100%; }
.ctrl input:not([type]), .ctrl input[type="text"] { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font: 13px var(--mono); width: 100%; }
input[aria-invalid="true"], textarea[aria-invalid="true"] { outline: 2px dashed var(--fg3); outline-offset: -1px; }
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--fg2); cursor: pointer; }
.chk input { accent-color: var(--fg); margin: 0; }

/* Export panel */
.exp__bar { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin-bottom: 10px; }
.exp__acts { display: flex; gap: 6px; margin-left: auto; }
.exp__name { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--fg3); }
.exp__name input { width: 110px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--fg); font: 12.5px var(--mono); }
.exp__pre { max-height: 360px; }
@media (max-width: 640px) { .exp__acts { margin-left: 0; } }

/* ---------------------------------------------------------------- picker */
.pastebar { display: flex; gap: 8px; align-items: center; margin-top: 20px; }
.pastebar .search { flex: 1; min-width: 0; }
.pastebar .search input { max-width: none; font-family: var(--mono); font-size: 14px; }
.pastebar .btn { height: 44px; }
#pk-msg:empty { display: none; }
.pk { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 18px; margin-top: 16px; align-items: start; }
@media (max-width: 900px) { .pk { grid-template-columns: 1fr; } }
.pk-planes { padding: 14px 16px 12px; }
.pk-planes__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.pk-readout { font-size: 12.5px; color: var(--fg2); white-space: pre; }
.pk-stage { display: grid; grid-template-columns: 26px minmax(0, 1fr) 30px; gap: 0 10px; }
.pk-plane, .pk-hue { position: relative; aspect-ratio: 4 / 3.2; border-radius: 8px; overflow: hidden; box-shadow: inset 0 0 0 1px var(--line); touch-action: none; }
.pk-hue { aspect-ratio: auto; height: 100%; }
.pk-plane canvas, .pk-hue canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#pk-over, #pk-hue-over { cursor: crosshair; }
#pk-hue-over { cursor: ns-resize; }
#pk-over:focus-visible, #pk-hue-over:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.pk-yaxis { position: relative; font: 10.5px/1 var(--ui); color: var(--fg3); font-variant-numeric: tabular-nums; }
.pk-yaxis span { position: absolute; right: 0; transform: translateY(-50%); }
.pk-yaxis span:first-child { transform: none; }
.pk-yaxis span:last-child { transform: translateY(-100%); }
.pk-xaxis { position: relative; height: 28px; margin: 5px 40px 0 36px; font: 10.5px/1 var(--ui); color: var(--fg3); font-variant-numeric: tabular-nums; }
.pk-xaxis span { position: absolute; top: 0; transform: translateX(-50%); }
.pk-xaxis span:first-child { transform: none; }
.pk-xaxis b { position: absolute; right: 0; top: 14px; font-weight: 500; }
.pk-snap { min-height: 1.5em; font-size: 12.5px; }
.pk-snap:empty { display: none; }
.pk-side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.pk-side .actions { margin-top: 0; }
.pk-prev { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.pk-prev__side { padding: 16px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.pk-prev__side--light { background: var(--light); color: var(--dark); }
.pk-prev__side--dark { background: var(--dark); color: var(--light); }
.pk-prev__sw { background: var(--c); border-radius: 10px; height: clamp(90px, 14vw, 150px); }
.pk-prev__txt { color: var(--c); line-height: 1.3; }
.pk-prev__txt b { display: block; font-size: 20px; font-weight: 650; letter-spacing: -0.01em; }
.pk-prev__txt span { font-size: 16px; }
.pk-prev__k { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; }
.pk-prev__r b { font-size: 15px; font-variant-numeric: tabular-nums; }
.pk-prev__a { opacity: 0.75; font-variant-numeric: tabular-nums; }
.pk-prev__side--light .mark--pass { background: var(--dark); color: var(--light); }
.pk-prev__side--light .mark--fail { border-color: #CFCFCA; color: #57574F; }
.pk-prev__side--dark .mark--pass { background: var(--light); color: var(--dark); }
.pk-prev__side--dark .mark--fail { border-color: #3A3A37; color: #B4B4AC; }
@media (max-width: 420px) { .pk-prev__side { padding: 12px; } .pk-prev__txt b { font-size: 17px; } }
.pk-name { font-size: 14px; }
.pk-name b { font-weight: 600; }
.pk-name small { color: var(--fg3); font-size: 12px; margin-left: 4px; }
.pk-fields { padding: 14px 16px; }
.pk-fields h3 small, .pk-fields h3 .note--small { font-weight: 400; color: var(--fg3); margin-left: 6px; }
.field { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 5px 0; border-bottom: 1px solid var(--line); }
.field:last-child { border-bottom: 0; }
.field__k { font-size: 13px; font-weight: 550; color: var(--fg2); line-height: 1.15; }
.field__k small { display: block; font-weight: 400; font-size: 10.5px; color: var(--fg3); }
.field input { width: 100%; min-width: 0; padding: 7px 9px; border: 1px solid transparent; border-radius: 7px; background: var(--panel2); color: var(--fg); font: 12.5px var(--mono); }
@media (max-width: 480px) { .field { grid-template-columns: 56px minmax(0, 1fr) auto; gap: 6px; } .field__k small { display: none; } .field input { font-size: 11.5px; padding: 7px 6px; } }
.field input:hover { border-color: var(--line); }
.field input:focus { outline: 2px solid var(--fg); outline-offset: -1px; background: var(--bg); }

/* ---------------------------------------------------------------- tonal */
.seedbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-top: 20px; padding: 12px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.seedbar__f { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--fg3); font-weight: 500; }
.seedbar__f input { width: 190px; max-width: 52vw; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font: 13px var(--mono); }
.seedbar__sw { width: 28px; height: 28px; border-radius: 7px; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12); flex: none; }
.seedbar__sw--empty { background: repeating-linear-gradient(45deg, var(--line) 0 2px, transparent 2px 6px) !important; }
#tn-msg:empty { display: none; }

.palrows { display: flex; flex-direction: column; gap: 12px; }
.palrow { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; align-items: center; }
.palrow__k b { display: block; font-size: 13px; font-weight: 600; }
.palrow__k small { font-size: 11px; color: var(--fg3); font-variant-numeric: tabular-nums; }
.palrow .tone .sw { height: 46px; }
@media (max-width: 640px) { .palrow { grid-template-columns: 1fr; gap: 6px; } }

.schemes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr)); gap: 16px; }
.scheme { border-radius: var(--radius); padding: 16px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.scheme__head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: 13px; }
.scheme__head span { font: 11.5px var(--mono); opacity: 0.7; }
.rolegrp__k { font: 600 10.5px/1.2 var(--ui); letter-spacing: 0.07em; text-transform: uppercase; opacity: 0.65; margin-bottom: 6px; }
.rolegrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.rolegrid--surf { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.rolegrid--small { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.rolegrid--cmp { margin-top: 12px; }
@media (max-width: 520px) { .rolegrid--surf { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.role { position: relative; display: flex; flex-direction: column; gap: 2px; padding: 9px 10px; border-radius: 9px; min-height: 64px; min-width: 0; box-shadow: inset 0 0 0 1px rgba(128, 128, 128, 0.18); }
.role--big { min-height: 78px; }
.role__n { font-size: 12.5px; font-weight: 600; line-height: 1.2; overflow-wrap: anywhere; }
.role__hex { align-self: flex-start; border: 0; padding: 0; background: none; color: inherit; font: 11.5px/1.3 var(--mono); cursor: copy; opacity: 0.85; }
.role__hex:hover { text-decoration: underline; }
.role__hex[data-done]::after { content: " \2713"; }
.role__on { margin-top: auto; font-size: 11px; line-height: 1.3; opacity: 0.9; }
.role__on .role__hex { font-size: 10.5px; }
.role__r { font-variant-numeric: tabular-nums; opacity: 0.8; }
.role--line { flex-direction: row; flex-wrap: nowrap; align-items: center; gap: 8px; min-height: 0; }
.role--line .role__n { flex: 1; min-width: 0; font-weight: 500; }
.role--line i { width: 22px; height: 22px; border-radius: 5px; flex: none; box-shadow: inset 0 0 0 1px rgba(128, 128, 128, 0.35); }
.role--line .role__hex { margin-left: auto; align-self: center; }
.cmp__head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.cmp__head .sw { width: 44px; height: 44px; min-height: 0; flex: none; }
.cmp__head .sw__hex { display: none; }
.cmp__head small { display: block; color: var(--fg3); font-size: 12px; }
.cmp .palrow { grid-template-columns: 1fr; gap: 6px; }
.cmp .tones { grid-template-columns: repeat(7, minmax(0, 1fr)); row-gap: 8px; }

.ramp-ctrls { margin-bottom: 14px; display: flex; flex-direction: column; gap: 10px; }
.ramp-ctrls .ctrls { margin: 4px 0 0; }
.ramp { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 4px 12px; align-items: start; }
.ramp + .ramp { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.ramp__k { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.ramp__k small { color: var(--fg3); font-size: 11.5px; }
.ramp__seed { width: 40px; height: 40px; min-height: 0; }
.ramp__seed .sw__hex { display: none; }
.ramp__cells { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 3px; }
.rstep { display: flex; flex-direction: column; gap: 2px; min-width: 0; text-align: center; }
.rstep .sw { height: 64px; border-radius: 6px; }
.rstep .sw__hex { display: none; }
.rstep__k { font-size: 11.5px; margin-top: 3px; }
.rstep__k b { font-weight: 600; }
.rstep__k abbr { text-decoration: none; color: var(--fg2); margin-left: 1px; }
.rstep__hex { font-size: 10.5px; color: var(--fg2); overflow: hidden; text-overflow: ellipsis; }
.rstep__n { font-size: 9.5px; color: var(--fg3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ramp__chart { grid-column: 2; height: 40px; color: var(--fg2); }
.cchart { width: 100%; height: 100%; display: block; overflow: visible; }
.rp-reports { margin-top: 14px; }
.rp-report { font-size: 11.5px; white-space: pre; }
#rp-exp { margin-top: 14px; }
@media (max-width: 760px) {
  .ramp { grid-template-columns: 1fr; }
  .ramp__k { flex-direction: row; align-items: center; }
  .ramp__chart { grid-column: 1; }
  .ramp__cells { grid-template-columns: repeat(min(var(--n), 6), minmax(0, 1fr)); row-gap: 10px; }
  .rstep__n { display: none; }
}

.gh-top { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; margin-bottom: 14px; }
.ghost { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 6px 16px; align-items: start; padding: 12px 0; border-top: 1px solid var(--line); }
.ghost--seed { border-top: 0; padding-top: 0; }
.ghost__k { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.ghost__k small { color: var(--fg3); font-size: 12px; line-height: 1.4; }
.ghost__k .row { margin-top: 4px; gap: 6px; }
.ghost__cells { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 3px; }
.ghost__cells .sw { height: 52px; border-radius: 6px; }
.ghost__cells .sw__hex { left: 50%; transform: translateX(-50%); font-size: 9.5px; padding: 2px 3px; }
.ghost:not(.ghost--seed) .ghost__cells .sw { opacity: 0.92; }
.ghost__clip { position: absolute; top: 3px; right: 5px; text-decoration: none; font-size: 12px; font-weight: 700; color: #FAFAF9; text-shadow: 0 0 2px rgba(0, 0, 0, 0.8); }
.ghost__rep { grid-column: 2; font-size: 12.5px; color: var(--fg2); }
.ghost__rep summary { cursor: pointer; }
.ghost__rep pre { margin-top: 8px; font-size: 11px; white-space: pre; }
@media (max-width: 760px) {
  .ghost { grid-template-columns: 1fr; }
  .ghost__rep { grid-column: 1; }
  .ghost__cells .sw { height: 40px; }
  .ghost__cells .sw__hex { display: none; }
}

/* ---------------------------------------------------------------- contrast */
.ct-in { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 16px; margin-top: 20px; align-items: start; }
@media (max-width: 760px) { .ct-in { grid-template-columns: 1fr; } }
.ct-in__box { display: flex; flex-direction: column; gap: 10px; padding: 14px 16px; }
.ct-in__box label { font-size: 13px; }
.ct-in__box label small { color: var(--fg3); display: block; font-size: 12px; }
.ct-in__box textarea { width: 100%; resize: vertical; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); color: var(--fg); font: 13px/1.5 var(--mono); }
.ct-in__box textarea:focus { outline: 2px solid var(--fg); outline-offset: -1px; }
#ct-msg:empty { display: none; }
.ct-chips { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.ct-chips li { position: relative; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ct-chips__sw { height: 72px; border-radius: 10px; }
.ct-chips a { font-size: 13px; line-height: 1.25; }
.ct-chips a small { display: block; color: var(--fg3); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ct-k { position: absolute; top: 6px; left: 8px; font: 700 13px/1 var(--ui); pointer-events: none; }
.ct-rm { position: absolute; top: 4px; right: 4px; width: 24px; height: 24px; border: 0; border-radius: 6px; background: rgba(20, 20, 19, 0.55); color: #FAFAF9; font-size: 15px; line-height: 1; cursor: pointer; opacity: 0; transition: opacity .12s; }
.ct-chips li:hover .ct-rm, .ct-rm:focus-visible { opacity: 1; }
@media (hover: none) { .ct-rm { opacity: 1; } }

.mxt { border-collapse: separate; border-spacing: 6px; margin: -6px; }
.mxt th { font-weight: 500; text-align: left; vertical-align: bottom; font-size: 12px; color: var(--fg2); min-width: 118px; }
.mxt th.mx__rowk { vertical-align: middle; min-width: 96px; }
.mx__hsw { height: 26px; min-height: 0; border-radius: 6px; margin-bottom: 4px; }
.mx__hsw .sw__hex { display: none; }
.mx__hk { display: block; white-space: nowrap; }
.mx__hk .mono { color: var(--fg3); font-size: 11px; }
.mx__corner { color: var(--fg3); font-size: 11px; }
.mx__corner span { display: block; }
.mx__corner span:last-child { text-align: right; }
.mxt td { vertical-align: top; padding: 0; }
.mx { display: flex; flex-direction: column; gap: 5px; width: 100%; min-width: 132px; padding: 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--fg); text-align: left; cursor: pointer; }
.mx:hover { border-color: var(--fg3); }
.mx[aria-pressed="true"] { border-color: var(--fg); box-shadow: inset 0 0 0 1px var(--fg); }
.mx__s { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; padding: 8px 10px; border-radius: 7px; font-size: 22px; font-weight: 600; line-height: 1; box-shadow: inset 0 0 0 1px rgba(128, 128, 128, 0.2); }
.mx__s small { font-size: 10.5px; font-weight: 500; opacity: 0.85; }
.mx__r { font-size: 12px; color: var(--fg2); font-variant-numeric: tabular-nums; }
.mx__r b { font-size: 16px; color: var(--fg); }
.mx__m, .mx__a { display: flex; flex-wrap: wrap; gap: 3px; align-items: center; font-size: 11px; }
.mx__m i { font-style: normal; color: var(--fg3); margin-right: 2px; }
.mx__a .mono { color: var(--fg2); font-size: 11px; margin-right: 3px; }
.mx__same { vertical-align: middle !important; }
.mx__same span { display: flex; align-items: center; justify-content: center; min-height: 120px; border: 1px dashed var(--line); border-radius: 10px; font-size: 11.5px; color: var(--fg3); }
.ct-legend { margin: 14px 0 10px; }
.ct-legend p { margin: 0 0 6px; max-width: 90ch; }

.sample-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); min-width: 0; }
.sample-card__head { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; padding: 10px 14px; font-size: 13px; border-bottom: 1px solid var(--line); }
.sample-card__head .marks .mono { font-size: 12px; margin: 0 2px; }
.sample-card__head .copybtn { margin-left: auto; }
.sample-card__body { padding: 16px 18px; }
.sample-card__body p { margin: 0 0 8px; line-height: 1.3; }
.sample-card__body p:last-child { margin-bottom: 0; }

.vrow { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 8px 16px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.vrow:last-of-type { border-bottom: 0; }
.vrow__k b { display: block; font-size: 13px; }
.vrow__k small { color: var(--fg3); font-size: 11.5px; line-height: 1.3; display: block; }
.vrow__strip { display: flex; height: 56px; border-radius: 9px; overflow: hidden; }
.vrow__strip .sw { flex: 1; border-radius: 0; box-shadow: none; min-width: 0; }
.vrow__strip .sw__hex { left: 50%; transform: translateX(-50%); font-size: 10px; }
@media (max-width: 640px) { .vrow { grid-template-columns: 1fr; } }

.pairsw { display: inline-flex; vertical-align: middle; margin-right: 8px; border-radius: 6px; overflow: hidden; }
.pairsw .sw { width: 22px; height: 22px; min-height: 0; border-radius: 0; }
.pairsw .sw__hex { display: none; }
.pairsw--big .sw { width: 34px; height: 34px; }
.hardt td { vertical-align: middle; }
.hardt td .mono { display: inline-block; vertical-align: middle; font-size: 11.5px; line-height: 1.35; }

.fixpair { padding: 14px 0; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.fixpair:first-of-type { border-top: 0; }
.fixpair__k { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13.5px; }
.fixpair__k .sw { width: 26px; height: 26px; min-height: 0; border-radius: 6px; }
.fixpair__k .sw__hex { display: none; }
.fixpair__k .sw + .sw { margin-left: -6px; }
.fix { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; gap: 8px 12px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel2); }
.fix__body { font-size: 13px; min-width: 0; }
.fix__body small { display: block; color: var(--fg3); font-size: 11.5px; line-height: 1.4; margin-top: 2px; }
.fix__sample { font-size: 18px; font-weight: 650; padding: 6px 10px; border-radius: 7px; line-height: 1; }
.fix .pairsw { margin-right: 0; }
@media (max-width: 640px) { .fix { grid-template-columns: auto minmax(0, 1fr); } .fix > .row { grid-column: 1 / -1; } .fix__sample { justify-self: start; } }