@import url("./tokens.css?v=playground-v1");

* { box-sizing: border-box; }
html { min-width: 320px; min-height: 100%; scroll-behavior: smooth; background: var(--canvas); }
body { min-width: 320px; min-height: 100vh; margin: 0; overflow-x: hidden; color: var(--ink); background-color: var(--canvas); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='124'%3E%3Ctext x='6' y='32' font-family='ui-monospace,monospace' font-size='9' letter-spacing='3' fill='%2316181a' fill-opacity='.045'%3Ea1f4 9c2e 7c1d 44aa 00e7%3C/text%3E%3Ctext x='-38' y='94' font-family='ui-monospace,monospace' font-size='9' letter-spacing='3' fill='%2316181a' fill-opacity='.045'%3Everify --strict b3f1 46bd%3C/text%3E%3C/svg%3E"); background-size: 260px 124px; font-family: var(--font-sans); line-height: 1.5; text-rendering: optimizeLegibility; }
button, input { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
::selection { color: #fff; background: #1e7a46; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 10; top: .75rem; left: .75rem; padding: .7rem 1rem; color: #fff; background: #16181a; border-radius: var(--radius-control); transform: translateY(-180%); transition: transform var(--duration) var(--ease); }
.skip-link:focus { transform: translateY(0); }

@keyframes cursor-blink { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }
.brand-cursor { width: 11px; height: 22px; flex: none; background: var(--accent); animation: cursor-blink 1.1s steps(1) infinite; }
.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-header { height: 108px; flex: none; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-inline: var(--page-x); }
.brand-lockup, .wordmark { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-core { display: flex; align-items: center; gap: .4rem; }
.brand-name { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 500; letter-spacing: -.03em; }
.brand-tag { padding: .25rem .55rem; color: var(--copy); border: 1px solid color-mix(in srgb, var(--border) 80%, var(--ink)); border-radius: 4px; font-size: .75rem; font-weight: 600; letter-spacing: .05em; }
.site-nav { display: flex; align-items: center; gap: 1.625rem; color: var(--copy); font-family: var(--font-mono); font-size: .8125rem; }
.site-nav a { text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); }
.domain { color: var(--muted); }
.preferences { display: flex; align-items: center; gap: .45rem; margin-left: -.55rem; }
.language-switch { display: inline-flex; align-items: center; padding: 2px; border: 1px solid var(--border); border-radius: 6px; }
.preference-option, .theme-toggle { min-width: 44px; min-height: 40px; padding: .45rem .55rem; color: var(--muted); background: transparent; border: 0; border-radius: 4px; font-family: var(--font-mono); font-size: .7rem; font-weight: 500; cursor: pointer; }
.preference-option[aria-pressed="true"] { color: var(--surface); background: var(--ink); }
.theme-toggle { min-width: 54px; border: 1px solid var(--border); }
.preference-option:hover:not([aria-pressed="true"]), .theme-toggle:hover { color: var(--ink); background: var(--surface-soft); }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .85rem 1.5rem; color: var(--surface); background: var(--ink); border: 1px solid var(--ink); border-radius: var(--radius-control); font-weight: 500; text-decoration: none; cursor: pointer; transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease); }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-secondary { color: var(--ink); background: transparent; }
.button:disabled { color: var(--muted); background: var(--border-soft); border-color: var(--border-soft); cursor: not-allowed; transform: none; }
.mono { font-family: var(--font-mono); }
.eyebrow { margin: 0; color: var(--copy); font-family: var(--font-mono); font-size: .8125rem; letter-spacing: .08em; }
.lede { margin: 0; color: var(--copy); font-size: 1.1rem; line-height: 1.55; text-wrap: pretty; }

/* Landing */
.landing-main { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(25rem, 32.5rem); gap: 5rem; align-items: center; padding: 0 var(--page-x) 3rem; }
.landing-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 1.375rem; }
.landing-copy h1 { max-width: 18ch; margin: 0; font-size: clamp(2.6rem, 3.65vw, 3.25rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.14; text-wrap: pretty; }
.landing-copy h1 em { color: inherit; font-style: normal; text-decoration: underline wavy var(--error) 2.5px; text-underline-offset: .55rem; }
.landing-copy .lede { max-width: 34rem; }
.landing-note { max-width: 30rem; color: var(--copy); font-size: .875rem; }
.receipt-preview, .surface { color: var(--ink); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.receipt-preview { position: relative; padding: 1.875rem 2rem; }
.stamp { position: absolute; top: -1.25rem; right: -1.625rem; padding: .55rem 1rem; color: var(--warning); background: color-mix(in srgb, var(--surface) 92%, transparent); border: 2px solid var(--warning); border-radius: 6px; transform: rotate(7deg); font-family: var(--font-mono); font-size: .75rem; font-weight: 500; letter-spacing: .1em; }
.receipt-preview-head, .receipt-line, .receipt-tail { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.receipt-preview-head { padding-bottom: 1rem; color: var(--muted); font-family: var(--font-mono); font-size: .75rem; }
.receipt-line { padding: .9rem 0; border-top: 1px solid var(--border-soft); }
.receipt-line strong { color: var(--accent-ink); font-size: .85rem; }
.receipt-line strong.warning { color: var(--warning); }
.receipt-tail { margin-top: 1rem; padding-top: .8rem; border-top: 1px solid var(--border-soft); font-size: .85rem; font-weight: 600; }
.receipt-tail code { color: var(--muted); font-family: var(--font-mono); font-size: .7rem; }
.landing-footer, .page-footer { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: auto; padding: 1.5rem var(--page-x); color: var(--copy); border-top: 1px solid color-mix(in srgb, var(--border) 75%, transparent); font-size: .875rem; }
.landing-steps { display: flex; gap: 2.25rem; }
.landing-steps code { color: var(--muted); font-family: var(--font-mono); }

/* Catalog */
.catalog-main { width: min(100%, 68.75rem); flex: 1; margin-inline: auto; padding: 2.5rem var(--page-x) 3rem; }
.catalog-heading { margin-bottom: 1.625rem; }
.catalog-heading h1 { margin: 0 0 .6rem; font-size: 2.5rem; font-weight: 500; letter-spacing: -.025em; }
.catalog-heading p { max-width: 40rem; margin: 0; color: var(--copy); font-size: 1.03rem; }
.kata-card { padding: 1.875rem 2.125rem; }
.kata-card-top, .kata-card-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.kata-card-top { margin-bottom: 1.125rem; color: var(--copy); font-family: var(--font-mono); font-size: .78rem; }
.status-chip { padding: .3rem .7rem; color: var(--accent-ink); background: var(--accent-soft); border-radius: 4px; font-family: var(--font-sans); font-size: .72rem; font-weight: 600; letter-spacing: .05em; }
.kata-card h2 { margin: 0 0 .5rem; font-size: 1.625rem; letter-spacing: -.02em; }
.kata-card p { max-width: 45rem; margin: 0; color: var(--copy); }
.kata-card-bottom { margin-top: 1.125rem; padding-top: 1.125rem; border-top: 1px solid var(--border-soft); }
.kata-meta { color: var(--copy); font-family: var(--font-mono); font-size: .78rem; }
.catalog-empty { margin-top: 1rem; padding: 1.5rem; color: var(--copy); border: 1px dashed var(--border); border-radius: var(--radius); text-align: center; }

/* Kata */
.kata-main { flex: 1; }
.kata-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(27rem, 32.5rem); gap: 5rem; align-items: start; padding: 1.625rem var(--page-x) 0; }
.kata-hero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 1.25rem; }
.breadcrumb { display: flex; align-items: center; gap: .875rem; color: var(--copy); font-family: var(--font-mono); font-size: .8rem; letter-spacing: .06em; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.kata-hero h1 { max-width: 13ch; margin: 0; font-size: clamp(2.5rem, 3.4vw, 2.9rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.12; text-wrap: pretty; }
.kata-hero .lede { max-width: 37rem; }
.task-summary { padding: 1.75rem 2rem; }
.task-summary-head, .task-row { display: flex; justify-content: space-between; gap: 1rem; }
.task-summary-head { padding-bottom: 1rem; font-family: var(--font-mono); font-size: .75rem; }
.task-summary > p { margin: 0; padding: 1rem 0; border-top: 1px solid var(--border-soft); }
.task-row { padding: .85rem 0; border-top: 1px solid var(--border-soft); font-size: .93rem; }
.task-row code { color: var(--ink); font-family: var(--font-mono); font-size: .8rem; text-align: right; }
.task-row .success { color: var(--accent-ink); }
.task-warning { display: flex; gap: .75rem; margin-top: .15rem; padding-top: .9rem; color: var(--warning); border-top: 1px solid var(--border-soft); font-size: .875rem; }
.task-warning::before { content: ""; width: 3px; flex: none; background: var(--warning); }
.flow { padding: 2.75rem var(--page-x) 0; }
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.75rem; margin-top: 1.1rem; }
.flow-step { padding-top: .9rem; border-top: 2px solid var(--border); }
.flow-step:first-child { border-color: var(--ink); }
.flow-step code { color: var(--muted); font-family: var(--font-mono); font-size: .75rem; }
.flow-step h2 { margin: .45rem 0; font-size: .98rem; }
.flow-step p { margin: 0; color: var(--copy); font-size: .84rem; }
.submission-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(27rem, 32.5rem); gap: 5rem; align-items: start; padding: 2.75rem var(--page-x) 3rem; }
.submission-card, .after-submit { min-width: 0; padding: 1.75rem 2rem; }
.submission-title-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.submission-title-row h2 { margin: 0; font-size: 1.5rem; }
.submission-title-row code { color: var(--muted); font-family: var(--font-mono); font-size: .75rem; }
.submission-card > p, .after-submit > p { color: var(--copy); font-size: .9rem; }
.upload-form { display: flex; flex-direction: column; gap: .75rem; margin-top: 1rem; }
.file-field { position: relative; }
.file-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.file-control { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1rem; border: 1.5px dashed var(--border); border-radius: var(--radius-control); cursor: pointer; }
.file-input:focus-visible + .file-control { outline: 2px solid var(--focus); outline-offset: 3px; }
.file-copy { min-width: 0; display: flex; flex-direction: column; gap: .15rem; }
.file-name { overflow: hidden; font-family: var(--font-mono); font-size: .85rem; text-overflow: ellipsis; white-space: nowrap; }
.file-help { color: var(--copy); font-size: .78rem; }
.file-action { flex: none; padding: .65rem 1rem; border: 1px solid var(--ink); border-radius: var(--radius-control); font-size: .85rem; font-weight: 500; }
.file-control[data-selected="true"] { border-style: solid; border-color: var(--accent); }
.file-control[data-selected="true"] .file-name::before { content: "✓ "; color: var(--accent); }
.upload-status { min-height: 1.4rem; margin: 0; color: var(--copy); font-size: .82rem; }
.upload-status[data-state="error"] { padding: .75rem; color: var(--error); background: color-mix(in srgb, var(--error) 9%, var(--surface)); border-radius: var(--radius-control); font-weight: 500; }
.progress { height: 8px; overflow: hidden; background: var(--border-soft); border-radius: 4px; }
.progress span { display: block; width: 64%; height: 100%; background: var(--ink); }
.progress-copy { display: flex; justify-content: space-between; color: var(--copy); font-size: .8rem; }
.after-submit { display: flex; flex-direction: column; gap: .8rem; }
.after-submit h2 { margin: 0; font-size: 1.25rem; }
.after-submit ol { margin: 0; padding: 0; list-style: none; }
.after-submit li { padding: .75rem 0; border-top: 1px solid var(--border-soft); }
.after-submit li strong { display: block; margin-bottom: .15rem; }
.after-submit li span { color: var(--copy); font-size: .85rem; }
.sealed-state { display: flex; flex-direction: column; gap: .8rem; }
.sealed-state h2 { margin: 0; }
.accepted-files { display: flex; flex-direction: column; gap: .4rem; color: var(--copy); font-family: var(--font-mono); font-size: .75rem; }
.private-link { overflow-wrap: anywhere; }

/* Receipt/status */
.receipt-page { min-height: 100vh; }
.receipt-main { width: min(100%, 68.75rem); flex: 1; margin-inline: auto; padding: 2rem var(--page-x) 3rem; }
.receipt-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; margin-bottom: 1.75rem; }
.receipt-heading h1 { margin: 0 0 .5rem; font-size: 2.5rem; font-weight: 500; letter-spacing: -.025em; }
.receipt-heading p { max-width: 40rem; margin: 0; color: var(--copy); }
.receipt-status { flex: none; padding: .4rem .75rem; border-radius: 4px; font-size: .72rem; font-weight: 600; letter-spacing: .05em; }
.receipt-status.pending { color: var(--copy); border: 1px solid var(--border); }
.receipt-status.revise { color: var(--warning); background: var(--warning-soft); }
.receipt-status.final { color: var(--accent-ink); background: var(--accent-soft); }
.receipt-grid { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: 1.25rem; align-items: start; }
.receipt-grid > *, .receipt-grid > * > * { min-width: 0; }
.receipt-card { padding: 1.75rem 2rem; }
.receipt-card h2 { margin: 0 0 1rem; font-size: 1.4rem; }
.receipt-card p { color: var(--copy); }
.feedback-copy { margin: 0; overflow: auto; color: var(--copy); font: inherit; line-height: 1.65; white-space: pre-wrap; }
.receipt-side { display: flex; flex-direction: column; gap: .75rem; padding: 1rem 1.1rem; }
.receipt-side strong { font-size: .82rem; }
.receipt-side code { color: var(--copy); font-family: var(--font-mono); font-size: .7rem; overflow-wrap: anywhere; }
.receipt-bindings { margin-top: 1rem; border-top: 1px solid var(--border-soft); }
.receipt-row { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--border-soft); font-size: .78rem; }
.receipt-row code { overflow-wrap: anywhere; color: var(--copy); font-family: var(--font-mono); }
.retry-form { display: flex; flex-direction: column; gap: .75rem; margin-top: 1rem; }
.retry-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

@media (max-width: 900px) {
  .site-nav > a:not([aria-current="page"]), .site-nav > .domain { display: none; }
  .site-nav { gap: .75rem; }
  .landing-main, .kata-hero, .submission-grid { grid-template-columns: 1fr; gap: 2rem; }
  .landing-main { padding-top: 1rem; }
  .receipt-preview { margin-top: 1rem; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .receipt-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .site-header { height: 76px; gap: .75rem; padding-inline: 1.375rem; }
  .brand-name { font-size: 1.06rem; }
  .brand-cursor { width: 9px; height: 18px; }
  .brand-tag { padding: .2rem .42rem; font-size: .65rem; }
  .site-nav { gap: .45rem; font-size: .7rem; }
  .site-nav > a { display: none; }
  .preferences { gap: .3rem; margin-left: 0; }
  .preference-option, .theme-toggle { min-width: 40px; min-height: 40px; padding: .35rem .4rem; font-size: .62rem; }
  .theme-toggle { min-width: 46px; }
  .landing-main { display: flex; flex-direction: column; align-items: stretch; gap: 1.4rem; padding: 1.1rem 1.375rem 1.75rem; }
  .landing-copy { gap: 1.1rem; }
  .landing-copy h1 { font-size: 1.95rem; line-height: 1.18; }
  .landing-copy .lede { font-size: .98rem; }
  .landing-copy .button { width: 100%; }
  .receipt-preview { padding: 1.25rem 1.35rem; }
  .stamp { top: -1rem; right: -.5rem; font-size: .65rem; }
  .landing-footer, .page-footer { min-height: 0; padding: 1.1rem 1.375rem 1.6rem; }
  .page-footer { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .page-footer .mono { max-width: 100%; overflow-wrap: anywhere; }
  .landing-steps { display: none; }
  .catalog-main { padding: 1.1rem 1.375rem 2rem; }
  .catalog-heading h1, .receipt-heading h1 { font-size: 1.9rem; }
  .kata-card { padding: 1.25rem 1.35rem; }
  .kata-card-top, .kata-card-bottom { align-items: flex-start; }
  .kata-card-bottom { flex-direction: column; }
  .kata-card-bottom .button { width: 100%; }
  .kata-meta { line-height: 1.65; }
  .kata-hero { padding: 1rem 1.375rem 0; }
  .kata-hero h1 { font-size: 2rem; }
  .kata-hero .button { width: 100%; }
  .task-summary { padding: 1.25rem 1.35rem; }
  .task-row { flex-direction: column; }
  .task-row code { text-align: left; }
  .flow { padding: 2rem 1.375rem 0; }
  .flow-grid { grid-template-columns: 1fr; gap: .9rem; }
  .flow-step { display: grid; grid-template-columns: 1.8rem minmax(0, 1fr); gap: .25rem .6rem; }
  .flow-step code { grid-row: 1 / span 2; }
  .flow-step h2 { margin: 0; }
  .submission-grid { padding: 2rem 1.375rem 2.5rem; }
  .submission-card, .after-submit { padding: 1.25rem 1.35rem; }
  .submission-title-row { align-items: flex-start; }
  .file-control { min-height: 76px; }
  .file-help { max-width: 17rem; }
  .receipt-main { padding: 1rem 1.375rem 2rem; }
  .receipt-heading { flex-direction: column; gap: .75rem; }
  .receipt-card { padding: 1.25rem 1.35rem; }
  .receipt-row { grid-template-columns: 1fr; gap: .25rem; }
  .retry-actions .button { width: 100%; }
}

@media (max-width: 360px) {
  .brand-tag { display: none; }
  .site-header { gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .brand-cursor { animation: none; }
}