/* SPDX-License-Identifier: Apache-2.0 */
@charset "UTF-8";
:root {
    color-scheme: light;
    --paper: #f5f3ed;
    --ink: #172d2c;
    --muted: #526562;
    --line: #ced6cf;
    --green: #216255;
    --acid: #d9eea6;
    --rust: #a43e24;
    --white: #fffef9;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--paper);
    font-synthesis: none;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
}
a {
    color: inherit;
    text-underline-offset: 4px;
}
button,
input,
select,
textarea {
    font: inherit;
}
button,
a,
input,
select,
textarea,
summary {
    touch-action: manipulation;
}
button,
.file-button {
    cursor: pointer;
    border: 1px solid #899b90;
    border-radius: 4px;
    background: transparent;
    color: var(--ink);
    padding: 12px 16px;
    font-weight: 600;
    font-size: 13px;
    line-height: 1.4;
}
button:hover,
.file-button:hover {
    background: #e6ebdf;
}
button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}
button.primary {
    background: var(--green);
    color: white;
    border-color: var(--green);
}
button.primary:hover {
    background: #174b40;
}
input,
select,
textarea {
    display: block;
    width: 100%;
    color: var(--ink);
    background: var(--white);
    border: 1px solid #899b90;
    border-radius: 3px;
    padding: 11px 10px;
    margin-top: 7px;
    min-width: 0;
}
input[type="range"] {
    accent-color: var(--green);
    padding: 0;
    margin: 22px 0;
}
label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid #b14c27;
    outline-offset: 4px;
}
h1,
h2,
h3,
p {
    margin-top: 0;
}
h1,
h2 {
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 400;
}
h1 {
    font-size: clamp(40px, 4.9vw, 74px);
    letter-spacing: -2px;
    line-height: 1.03;
    margin-bottom: 28px;
}
h1 em {
    font-weight: 400;
    color: var(--acid);
}
h2 {
    font-size: clamp(28px, 3vw, 40px);
    letter-spacing: -0.8px;
    line-height: 1.1;
    margin-bottom: 12px;
}
h3 {
    font-size: 21px;
    letter-spacing: -0.4px;
    margin-bottom: 14px;
}
p {
    line-height: 1.65;
}
small,
.help {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.6;
}
.help {
    margin: 12px 0;
}
.eyebrow {
    font-size: 10px;
    letter-spacing: 1.8px;
    font-weight: 700;
    margin-bottom: 18px;
}
.masthead {
    height: 82px;
    display: flex;
    align-items: center;
    gap: 36px;
    max-width: 1440px;
    margin: auto;
    padding: 0 6%;
}
.brand {
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1px;
}
.masthead nav {
    display: flex;
    gap: 25px;
    margin-left: auto;
    font-size: 12px;
}
.version {
    font-size: 10px;
    padding: 6px 8px;
    border: 1px solid var(--line);
}
.hero {
    background: #173b36;
    color: #f6f5ed;
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 70px;
    padding: 70px max(6%, calc((100vw - 1268px) / 2));
    min-height: 470px;
}
.hero > .eyebrow {
    color: var(--acid);
}
.lede {
    color: #d3dfd7;
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 30px;
}
.hero-link {
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid #759987;
    padding-bottom: 9px;
    display: inline-flex;
    gap: 65px;
}
.cycle {
    border-left: 1px solid #54756a;
    padding: 0 0 0 42px;
}
.cycle .eyebrow {
    color: #d9eea6;
}
.cycle ol {
    margin: 26px 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 16px;
}
.cycle li {
    display: flex;
    align-items: center;
    gap: 20px;
}
.cycle b {
    font:
        14px Georgia,
        serif;
    color: var(--acid);
    width: 35px;
    height: 35px;
    border: 1px solid #79997e;
    border-radius: 50%;
    display: grid;
    place-items: center;
}
.cycle li span {
    font:
        24px Georgia,
        serif;
}
.cycle small {
    display: block;
    color: #c8d7cf;
    font:
        11px Arial,
        sans-serif;
    margin-top: 4px;
}
.cycle-note {
    font-size: 12px;
    color: #c8d7cf;
    margin-bottom: 0;
}
.intro {
    max-width: 1268px;
    margin: auto;
    padding: 25px 0;
    display: flex;
    align-items: center;
    gap: 60px;
    border-bottom: 1px solid var(--line);
}
.intro p {
    margin: 0;
    font-size: 12px;
    color: var(--muted);
}
.intro p:first-child {
    font-weight: 700;
    white-space: nowrap;
    font-size: 10px;
    letter-spacing: 1px;
}
.dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    margin-right: 8px;
}
.workspace {
    max-width: 1268px;
    margin: 60px auto;
}
.section-heading,
.result-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}
.badge {
    padding: 8px 10px;
    border: 1px solid #8ca594;
    border-radius: 3px;
    font-size: 9px;
    letter-spacing: 1px;
    white-space: nowrap;
}
.toolbar {
    display: flex;
    align-items: end;
    gap: 12px;
    margin: 28px 0 15px;
}
.toolbar label:first-child {
    width: 290px;
}
.file-button input {
    padding: 8px;
    font-size: 11px;
    max-width: 215px;
}
.file-button {
    padding: 7px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.case-note {
    max-width: 850px;
    color: var(--muted);
    font-size: 13px;
}
#notice {
    font-size: 12px;
    border-left: 3px solid var(--green);
    padding: 10px 14px;
    background: #e9eee3;
    margin: 20px 0;
}
#error {
    font-size: 13px;
    color: #7b261b;
    background: #fae9e1;
    padding: 14px;
    margin: 16px 0;
    border-left: 3px solid var(--rust);
    overflow-wrap: anywhere;
}
.experiment {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
}
.controls {
    padding: 26px;
    background: #ecefe6;
    border-right: 1px solid var(--line);
}
.controls h3 {
    font-size: 17px;
}
.controls label {
    margin: 18px 0;
}
.controls button.primary {
    width: 100%;
    margin-top: 12px;
}
.control-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.control-pair label {
    margin: 5px 0;
}
details {
    border-top: 1px solid var(--line);
    padding-top: 16px;
}
summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.6;
}
.draft-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 25px;
}
.draft-actions button {
    font-size: 11px;
    padding: 8px;
}
.results {
    padding: 28px;
    min-width: 0;
    background: var(--white);
}
.result-heading .eyebrow {
    margin-bottom: 10px;
}
.decision {
    font-size: 10px;
    background: #e9eee3;
    border-radius: 4px;
    padding: 8px 10px;
    line-height: 1.4;
}
.decision.hold {
    background: #f2e3d6;
    color: #7c3622;
}
.metrics {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    margin: 15px 0 24px;
    padding: 20px 0;
    gap: 10px;
}
.metrics > div {
    border-right: 1px solid var(--line);
    padding: 0 12px;
}
.metrics > div:first-child {
    padding-left: 0;
}
.metrics > div:last-child {
    border: 0;
}
.metrics span,
.metrics small {
    display: block;
    font-size: 10px;
    color: var(--muted);
    line-height: 1.5;
}
.metrics strong {
    font:
        38px Georgia,
        serif;
    display: block;
    margin: 6px 0;
}
.chart {
    margin: 0 0 20px;
}
.chart figcaption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    font-size: 12px;
    margin-bottom: 12px;
}
.chart figcaption span {
    font-size: 10px;
}
.legend {
    display: inline-block;
    width: 16px;
    height: 3px;
    vertical-align: middle;
    margin: 0 4px 0 12px;
}
.legend.candidate {
    background: var(--green);
}
.legend.baseline {
    background: #82968d;
}
.chart svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}
.chart svg text {
    font-size: 11px;
    fill: var(--muted);
}
.chart svg .grid {
    stroke: #e0e5de;
    stroke-width: 1;
}
.chart svg .candidate-line {
    stroke: var(--green);
    stroke-width: 3;
    fill: none;
}
.chart svg .baseline-line {
    stroke: #82968d;
    stroke-width: 2;
    stroke-dasharray: 5 4;
    fill: none;
}
.table-wrap {
    overflow-x: auto;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 4px;
}
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 12px;
}
caption {
    text-align: left;
    font-weight: 600;
    padding: 14px;
    background: #f0f3eb;
    color: var(--muted);
    font-size: 11px;
}
th,
td {
    padding: 12px;
    border-bottom: 1px solid #e1e5de;
    line-height: 1.5;
}
th {
    font-size: 10px;
    color: var(--muted);
    background: #f6f6f0;
}
tr:last-child td {
    border-bottom: 0;
}
.gates {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: 20px;
}
.gate {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 11px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 4px;
}
.gate b {
    font-size: 10px;
    color: var(--green);
}
.gate small {
    display: block;
    font-size: 10px;
    margin-top: 5px;
}
.gate.fail b {
    color: var(--rust);
}
.retention {
    font-size: 12px;
    color: var(--muted);
    margin: 14px 0 0;
}
.learning-record {
    margin: 45px 0;
}
.learning-record > p {
    max-width: 790px;
    font-size: 13px;
    color: var(--muted);
}
.record-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
    align-items: start;
}
.episode {
    background: #e9eee3;
    border-radius: 5px;
    padding: 24px;
}
#episode-number {
    float: right;
    font:
        20px Georgia,
        serif;
}
.episode dl {
    font-size: 12px;
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 10px;
}
.episode dt {
    color: var(--muted);
}
.episode dd {
    margin: 0;
    font-weight: 600;
}
.editor {
    border: 1px solid var(--line);
    padding: 20px;
    border-radius: 4px;
}
.editor p {
    font-size: 13px;
    max-width: 850px;
    margin-top: 18px;
}
.editor textarea {
    font: 12px/1.5 monospace;
    resize: vertical;
    min-height: 160px;
    tab-size: 2;
}
.actions {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}
.handoff {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 70px;
    background: #dfe8d3;
    padding: 35px;
    border-radius: 5px;
    margin-top: 30px;
}
.handoff p {
    font-size: 13px;
}
.handoff button {
    display: block;
    width: 100%;
    margin: 12px 0;
}
.handoff label {
    margin-top: 20px;
    font-size: 10px;
}
.handoff output {
    display: block;
    font: 10px/1.7 monospace;
    overflow-wrap: anywhere;
    margin-top: 8px;
}
.continuity {
    max-width: 1268px;
    margin: 70px auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 70px;
    border-top: 1px solid var(--line);
    padding-top: 45px;
}
.continuity p,
.continuity a {
    font-size: 13px;
}
.continuity p {
    color: var(--muted);
}
footer {
    border-top: 1px solid var(--line);
    padding: 25px 6%;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 11px;
    color: var(--muted);
}
footer p {
    margin: 0;
}
.skip {
    position: absolute;
    left: 15px;
    top: -70px;
    background: white;
    color: var(--ink);
    padding: 12px;
    z-index: 5;
}
.skip:focus {
    top: 15px;
}
.noscript {
    padding: 30px;
    background: #fae9e1;
}
[hidden] {
    display: none !important;
}
@media (max-width: 1400px) {
    .intro,
    .workspace,
    .continuity {
        margin-left: 6%;
        margin-right: 6%;
    }
    .hero {
        padding-left: 6%;
        padding-right: 6%;
    }
}
@media (max-width: 1000px) {
    .hero {
        gap: 35px;
    }
    .cycle {
        padding-left: 25px;
    }
    .experiment {
        grid-template-columns: 230px minmax(0, 1fr);
    }
    .controls,
    .results {
        padding: 20px;
    }
    .metrics strong {
        font-size: 31px;
    }
    .file-button {
        display: block;
    }
    .intro {
        gap: 25px;
    }
    .record-grid {
        grid-template-columns: 1fr;
    }
    .handoff {
        gap: 30px;
    }
    .gates {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 700px) {
    .masthead {
        height: auto;
        min-height: 75px;
        padding: 20px 6%;
        flex-wrap: wrap;
        gap: 15px;
    }
    .masthead nav {
        order: 3;
        width: 100%;
        margin: 0;
        font-size: 11px;
        gap: 20px;
    }
    .version {
        margin-left: auto;
    }
    .hero {
        grid-template-columns: 1fr;
        padding-top: 42px;
        padding-bottom: 35px;
        gap: 30px;
    }
    h1 {
        letter-spacing: -1.5px;
    }
    .cycle {
        border-left: 0;
        border-top: 1px solid #54756a;
        padding: 24px 0 0;
    }
    .cycle ol {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin: 20px 0;
    }
    .cycle li {
        gap: 12px;
        align-items: start;
    }
    .cycle li span {
        font-size: 20px;
    }
    .cycle b {
        flex: none;
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    .cycle small {
        line-height: 1.5;
        font-size: 10px;
    }
    .cycle-note {
        display: none;
    }
    .intro {
        display: block;
        padding: 22px 0;
    }
    .intro p:first-child {
        margin-bottom: 8px;
    }
    .workspace {
        margin-top: 35px;
    }
    .section-heading {
        align-items: start;
        flex-direction: column;
        gap: 5px;
    }
    .toolbar {
        align-items: stretch;
        flex-wrap: wrap;
        margin-top: 20px;
    }
    .toolbar label:first-child {
        width: 100%;
    }
    .file-button {
        flex: 1;
        min-width: 180px;
    }
    .file-button input {
        max-width: 100%;
    }
    .experiment {
        grid-template-columns: 1fr;
    }
    .controls {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .controls > label {
        display: inline-block;
        width: calc(50% - 8px);
        margin: 10px 5px 10px 0;
        vertical-align: top;
    }
    .controls .control-pair {
        margin: 8px 0;
    }
    .draft-actions {
        margin-top: 16px;
    }
    .result-heading {
        display: block;
    }
    .decision {
        display: inline-block;
        margin-bottom: 10px;
    }
    .metrics {
        gap: 0;
    }
    .metrics > div {
        padding: 0 8px;
    }
    .metrics strong {
        font-size: 29px;
    }
    .metrics small {
        font-size: 9px;
    }
    .metrics span {
        font-size: 9px;
    }
    .results {
        padding: 18px;
    }
    .chart figcaption {
        display: block;
    }
    .chart figcaption span {
        display: block;
        margin-top: 12px;
    }
    .chart figcaption .legend:first-child {
        margin-left: 0;
    }
    .gates {
        grid-template-columns: 1fr;
    }
    .record-grid {
        gap: 16px;
    }
    .learning-record {
        margin-top: 30px;
    }
    th,
    td {
        padding: 10px;
        font-size: 11px;
    }
    .handoff,
    .continuity {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 25px;
    }
    .continuity {
        padding: 30px 0 0;
        margin-top: 45px;
        margin-bottom: 40px;
    }
    .actions {
        flex-wrap: wrap;
    }
    .handoff h2 {
        font-size: 30px;
    }
    footer {
        flex-direction: column;
        gap: 12px;
    }
    .badge {
        margin-top: 8px;
    }
    .episode dl {
        grid-template-columns: 90px 1fr;
    }
}
@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
    }
}