/* Experiments platform. Visual language from the Claude Design project "Experiments Platform" (Talkiatry design system tokens in ds/). */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-sand); color: var(--color-granite); font: 16px/1.5 var(--font-sans); letter-spacing: 0; }
a { color: var(--color-bismark); } a:hover { color: var(--color-bismark-700); }
button, input, textarea, select { font-family: var(--font-sans); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--color-bismark); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; color: var(--color-charcoal); line-height: 1.2; margin: 0; }
.muted { color: #777; }
.small { font-size: 13px; }
.overline { font: 700 12px var(--font-sans); letter-spacing: .08em; color: var(--color-bismark); text-transform: uppercase; }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: #fff; box-shadow: 0 1px 0 #E4E2DD; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 10px 20px; }
.brand { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.brand b { font: 600 22px var(--font-serif); color: var(--color-charcoal); }
.brand span { font: 600 11px var(--font-sans); letter-spacing: .08em; color: var(--color-bismark); }
nav.tabs-main { display: flex; gap: 4px; flex-wrap: nowrap; overflow-x: auto; order: 3; flex-basis: 100%; scrollbar-width: none; }
nav.tabs-main::-webkit-scrollbar { display: none; }
.navbtn { white-space: nowrap; flex: none; }
@media (min-width: 900px) { nav.tabs-main { order: 0; flex-basis: auto; overflow: visible; } }
@media (max-width: 520px) { .top { padding: 10px 14px; gap: 6px 12px; } .top .btn.stop { height: 40px; padding: 0 16px; font-size: 14px; } }
.navbtn { height: 44px; padding: 0 16px; border: 0; border-radius: 24px; background: transparent; color: var(--color-bismark-700); font: 600 14px var(--font-sans); cursor: pointer; }
.navbtn[aria-current="page"] { background: var(--color-bismark); color: #fff; }
.linkbtn { height: 44px; padding: 0 14px; border: 0; background: none; color: var(--color-bismark); font: 600 14px var(--font-sans); cursor: pointer; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 24px; border-radius: 24px; border: 1.5px solid transparent; font: 600 15px var(--font-sans); cursor: pointer; box-shadow: none; transition: background var(--duration-fast) var(--ease-standard); }
.btn.lg { height: 48px; font-size: 16px; }
.btn.block { width: 100%; }
.btn.primary { background: var(--color-bismark); color: #fff; } .btn.primary:hover:not(:disabled) { background: var(--color-bismark-700); }
.btn.secondary { background: #fff; color: var(--color-bismark-700); border-color: var(--color-bismark); } .btn.secondary:hover:not(:disabled) { background: var(--color-sand); }
.btn.live { background: var(--color-saffron); color: var(--color-charcoal); } .btn.live:hover:not(:disabled) { background: var(--color-saffron-700); }
.btn.stop { background: #B3372B; color: #fff; } .btn.stop:hover:not(:disabled) { background: #8E2A20; }
.btn:disabled { background: #D6E0E4; color: #5E808E; border-color: transparent; cursor: default; }
.btn.stop:disabled { background: var(--color-dark-sand); color: #777; }

/* layout + cards */
main { max-width: 1120px; margin: 0 auto; padding: 28px 20px 80px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 16px; }
.grid.wide { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.card { background: #fff; border-radius: 16px; box-shadow: var(--shadow-card); padding: 24px; }
.card.tight { padding: 20px; }
.pagehead { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: end; justify-content: space-between; margin-bottom: 20px; }
.pagehead h1 { font-size: 32px; }

/* pills */
.pill { flex: none; display: inline-flex; gap: 6px; align-items: center; height: 28px; padding: 0 12px; border-radius: 14px; font: 700 12px var(--font-sans); letter-spacing: .04em; }
.pill.live { background: #FBE0DC; color: #A42D22; } .pill.staging { background: #FFF1CC; color: #6B4700; } .pill.off { background: #DDF1E4; color: #1F6B42; }
.pill.ok { background: #DDF1E4; color: #1F6B42; } .pill.warn { background: #FFF1CC; color: #6B4700; } .pill.bad { background: #FBE0DC; color: #A42D22; } .pill.neutral { background: var(--color-dark-sand); color: var(--color-granite); }

/* dashboard cards */
.tcard { display: flex; flex-direction: column; gap: 14px; }
.tcard h2 { font-size: 20px; line-height: 1.25; }
.tcard h2 a { color: inherit; text-decoration: none; }
.tcard .row { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.facts { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: #777; }
.vbox { background: var(--color-dark-sand); border-radius: 12px; padding: 12px 14px; }
.vbox .v { display: flex; align-items: center; gap: 8px; font: 700 13px var(--font-sans); }
.bar { height: 8px; background: #fff; border-radius: 4px; margin: 8px 0 4px; overflow: hidden; }
.bar.lg { height: 12px; background: var(--color-dark-sand); border-radius: 6px; margin: 10px 0 6px; }
.bar > i { display: block; height: 100%; background: var(--color-bismark); }
.btnrow { display: flex; gap: 8px; margin-top: auto; } .btnrow .btn { flex: 1; }

/* detail */
.back { font-size: 14px; font-weight: 600; display: inline-block; padding: 10px 0; }
.dhead { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.dhead .t { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; } .dhead h1 { font-size: 30px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid #E4E2DD; margin-bottom: 24px; }
.tab { height: 48px; padding: 0 18px; border: 0; background: none; font: 600 15px var(--font-sans); color: #777; border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--color-bismark-700); border-bottom-color: var(--color-bismark); }
dl.kv { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 20px; font-size: 15px; } dl.kv dt { color: #777; } dl.kv dd { margin: 0; }

/* verdict + tables + charts */
.verdict { border-radius: 16px; padding: 20px 24px; display: flex; gap: 16px; align-items: start; margin-bottom: 16px; }
.verdict .ic { flex: none; width: 40px; height: 40px; border-radius: 20px; color: #fff; display: grid; place-items: center; font: 700 20px var(--font-sans); }
.verdict .lb { font: 600 22px var(--font-serif); }
.tablewrap { background: #fff; border-radius: 16px; padding: 8px 24px; margin-bottom: 16px; box-shadow: var(--shadow-card); overflow-x: auto; }
table.m { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
table.m th { text-align: left; font: 700 12px var(--font-sans); letter-spacing: .06em; color: var(--color-bismark); padding: 14px 8px 8px; }
table.m td { padding: 14px 8px; border-top: 1px solid var(--color-dark-sand); } table.m td:first-child, table.m th:first-child { padding-left: 0; font-weight: 600; }
table.m td.chk { font-weight: 600; }
.chart .bars { display: flex; align-items: end; gap: 4px; height: 90px; border-bottom: 1px solid var(--color-bismark-200); }
.chart .bars div { flex: 1; border-radius: 3px 3px 0 0; min-height: 2px; }
.chart .axis { display: flex; justify-content: space-between; font-size: 12px; color: #777; margin-top: 4px; }
.explain { background: var(--color-dark-sand); border-radius: 16px; padding: 20px 24px; margin-top: 16px; }

/* forms */
label.f { font-weight: 600; display: block; }
input[type=text], input[type=password], textarea { display: block; width: 100%; border: 1.5px solid var(--color-bismark-200); border-radius: 12px; padding: 12px 14px; font-size: 16px; margin: 6px 0 14px; background: #fff; color: var(--color-granite); }
input[type=password] { height: 48px; padding: 0 14px; }
textarea { font: 14px/1.5 ui-monospace, Menlo, monospace; resize: vertical; }
textarea:disabled { background: var(--color-dark-sand); }
input[type=range] { width: 100%; height: 44px; accent-color: var(--color-bismark); margin: 6px 0 14px; }
code.chip { background: var(--color-dark-sand); border-radius: 14px; padding: 4px 12px; font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chipbtn { height: 44px; padding: 0 18px; border-radius: 24px; border: 1.5px solid var(--color-bismark); background: #fff; color: var(--color-bismark-700); font: 600 14px var(--font-sans); cursor: pointer; }
.chipbtn[aria-pressed="true"] { background: var(--color-bismark); color: #fff; }
.notice { border-radius: 16px; padding: 16px 20px; margin-bottom: 16px; display: flex; gap: 12px; background: #FFF1CC; color: #6B4700; }
.hint { font-size: 14px; color: #6B4700; background: #FFF8E0; border-radius: 12px; padding: 10px 14px; }
.flash { border-radius: 12px; padding: 12px 16px; margin: 0 0 16px; font-weight: 600; }
.flash.ok { background: #DDF1E4; color: #1F6B42; } .flash.wait { background: #FFF1CC; color: #6B4700; } .flash.err { background: #FBE0DC; color: #A42D22; }
.listrow { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; padding: 16px 24px; border-top: 1px solid var(--color-dark-sand); }
.listrow:first-child { border-top: 0; }
.sha { font: 600 12px ui-monospace, monospace; color: var(--color-bismark); width: 64px; }

/* login */
.loginwrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login { background: #fff; border-radius: 16px; box-shadow: var(--shadow-card); padding: 40px 32px; width: 100%; max-width: 400px; }

/* modal (bottom sheet on phones) */
.scrim { position: fixed; inset: 0; background: rgba(54,55,55,.55); z-index: 50; display: grid; place-items: end center; }
.sheet { background: #fff; width: 100%; max-width: 480px; border-radius: 24px 24px 0 0; padding: 28px 24px 24px; box-shadow: 0 -8px 32px rgba(0,0,0,.2); }
@media (min-width: 640px) { .scrim { place-items: center; } .sheet { border-radius: 24px; } }
.sheet h2 { font-size: 24px; margin-bottom: 8px; } .sheet p { margin: 0 0 20px; white-space: pre-line; }
.sheet .stack { display: flex; flex-direction: column; gap: 10px; }
.sheet .btn { height: 52px; border-radius: 26px; font-size: 17px; } .sheet .btn.secondary { height: 48px; font-size: 16px; }

/* design system page */
.swatch { width: 120px; } .swatch div.c { height: 56px; border-radius: 12px; border: 1px solid #E4E2DD; }
.listing { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }