.llm-lab-page {
    --llm-bg: #07101d;
    --llm-panel: #0b1726;
    --llm-panel-raised: #102033;
    --llm-border: #29435d;
    --llm-border-strong: #3e698d;
    --llm-text: #f4f8fc;
    --llm-muted: #a9b8c8;
    --llm-cyan: #5ee7df;
    --llm-cyan-strong: #24c8c0;
    --llm-purple: #c8a6ff;
    --llm-green: #68db9b;
    --llm-orange: #ffc36d;
    --llm-red: #ff8f9b;
    --llm-focus: #ffd166;
    --llm-grid: rgba(94, 231, 223, .055);
    --llm-accent: var(--llm-cyan-strong);
    --llm-card: var(--llm-panel);
    --llm-secondary: var(--llm-purple);
    --font-mono: ui-monospace, SFMono-Regular, Consolas, monospace;
    min-height: 100vh;
    background:
        radial-gradient(circle at 86% 8%, rgba(102, 77, 181, .18), transparent 28rem),
        radial-gradient(circle at 8% 18%, rgba(36, 200, 192, .12), transparent 25rem),
        var(--llm-bg);
    color: var(--llm-text);
}

.llm-lab-page [hidden] {
    display: none !important;
}

:root[data-theme="light"] .llm-lab-page {
    --llm-bg: #f3f7fa;
    --llm-panel: #ffffff;
    --llm-panel-raised: #edf4f7;
    --llm-border: #b9ccd8;
    --llm-border-strong: #4c7289;
    --llm-text: #102a43;
    --llm-muted: #486176;
    --llm-cyan: #006d70;
    --llm-cyan-strong: #006266;
    --llm-purple: #6541a5;
    --llm-green: #176b43;
    --llm-orange: #955700;
    --llm-red: #a51d36;
    --llm-focus: #7a3e00;
    --llm-grid: rgba(0, 98, 102, .07);
    background:
        radial-gradient(circle at 86% 8%, rgba(101, 65, 165, .09), transparent 28rem),
        radial-gradient(circle at 8% 18%, rgba(0, 109, 112, .08), transparent 25rem),
        var(--llm-bg);
}

.llm-lab-page main {
    padding-top: 89px;
}

.llm-lab-page h1,
.llm-lab-page h2,
.llm-lab-page h3,
.llm-lab-page p {
    margin-top: 0;
}

.llm-lab-page h2 {
    color: var(--llm-text);
    font-size: clamp(1.65rem, 3vw, 2.3rem);
    line-height: 1.15;
    margin-bottom: .55rem;
    text-align: left;
}

.llm-lab-page h3 {
    color: var(--llm-text);
}

.llm-lab-page button,
.llm-lab-page input,
.llm-lab-page select,
.llm-lab-page textarea {
    font: inherit;
}

.llm-lab-page button:focus-visible,
.llm-lab-page input:focus-visible,
.llm-lab-page select:focus-visible,
.llm-lab-page textarea:focus-visible,
.llm-lab-page a:focus-visible {
    outline: 3px solid var(--llm-focus);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: -80px;
    left: .5rem;
    padding: .7rem 1rem;
    border-radius: 6px;
    background: var(--llm-text);
    color: var(--llm-bg);
}

.skip-link:focus {
    top: .5rem;
}

.privacy-banner a {
    flex: 0 0 auto;
    color: var(--llm-cyan);
    font-weight: 800;
}

.privacy-banner a:hover {
    color: var(--llm-text);
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.llm-lab-page .logo {
    color: var(--text-primary);
    text-decoration: none;
}

.llm-lab-page .logo span {
    color: var(--accent-blue);
}

.llm-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
    min-height: 540px;
    padding: clamp(4rem, 8vw, 7rem) max(5%, calc((100% - 1240px) / 2));
    border-bottom: 1px solid var(--llm-border);
    background-image:
        linear-gradient(var(--llm-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--llm-grid) 1px, transparent 1px);
    background-size: 32px 32px;
}

.llm-kicker,
.llm-eyebrow,
.card-label {
    color: var(--llm-cyan);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.llm-hero h1 {
    max-width: 850px;
    color: var(--llm-text);
    font-size: clamp(2.6rem, 6vw, 5.2rem);
    line-height: .98;
    margin: .85rem 0 1.4rem;
    letter-spacing: -.045em;
}

.llm-hero-lede {
    max-width: 720px;
    color: var(--llm-muted);
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
}

.hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin-top: 2rem;
}

.hero-facts span {
    display: inline-flex;
    gap: .35rem;
    padding: .55rem .75rem;
    border: 1px solid var(--llm-border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--llm-panel) 85%, transparent);
    color: var(--llm-muted);
    font-size: .8rem;
}

.hero-facts strong {
    color: var(--llm-text);
}

.scale-note {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--llm-border-strong);
    border-left: 4px solid var(--llm-cyan);
    border-radius: 12px;
    background: color-mix(in srgb, var(--llm-panel) 92%, transparent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, .18);
}

.scale-note .note-icon {
    flex: 0 0 2rem;
    width: 2rem;
    height: 2rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--llm-cyan);
    color: var(--llm-bg);
    font-weight: 800;
}

.scale-note strong {
    display: block;
    margin-bottom: .45rem;
    color: var(--llm-text);
    font-size: 1.05rem;
}

.scale-note p {
    color: var(--llm-muted);
    font-size: .92rem;
    margin-bottom: 0;
}

.mode-section,
.workflow-section {
    padding: 5rem max(5%, calc((100% - 1240px) / 2));
}

.workflow-section {
    padding-top: 2rem;
}

.section-intro {
    display: flex;
    align-items: flex-start;
    gap: 1.15rem;
    margin-bottom: 2rem;
}

.section-intro > div > p:last-child {
    color: var(--llm-muted);
}

.section-number {
    flex: 0 0 auto;
    color: var(--llm-cyan);
    font-size: .78rem;
    font-weight: 800;
    padding-top: .25rem;
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    max-width: none;
    border: 0;
}

.mode-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: .85rem;
    min-height: 245px;
    padding: 1.6rem;
    border: 2px solid var(--llm-border);
    border-radius: 14px;
    background: var(--llm-panel);
    cursor: pointer;
    transition: border-color .2s ease, transform .2s ease;
}

.mode-card:hover {
    border-color: var(--llm-border-strong);
    transform: translateY(-2px);
}

.mode-card-selected {
    border-color: var(--llm-cyan);
    box-shadow: inset 0 0 0 1px var(--llm-cyan);
}

.mode-card-disabled {
    cursor: not-allowed;
    opacity: .76;
}

.mode-card-disabled:hover {
    transform: none;
}

.mode-card input {
    position: absolute;
    top: 1.4rem;
    right: 1.4rem;
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--llm-cyan-strong);
}

.mode-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.mode-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: var(--llm-panel-raised);
    color: var(--llm-cyan);
    font-size: 1.35rem;
}

.availability-badge,
.dataset-badge,
.preview-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: .35rem .6rem;
    border: 1px solid var(--llm-border);
    border-radius: 999px;
    color: var(--llm-muted);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.mode-card-selected .availability-badge {
    border-color: var(--llm-green);
    color: var(--llm-green);
}

.mode-card > strong {
    color: var(--llm-text);
    font-size: 1.4rem;
}

.mode-card > span:not(.mode-card-top) {
    color: var(--llm-muted);
    line-height: 1.55;
}

.mode-card small {
    margin-top: auto;
    color: var(--llm-cyan);
    font-weight: 600;
}

.cloud-connection {
    align-items: end;
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(16rem, 1.4fr) minmax(13rem, 1fr) minmax(13rem, 1fr) auto;
    margin-top: 1rem;
}

.cloud-connection label {
    color: var(--llm-muted);
    display: grid;
    font-size: .78rem;
    font-weight: 800;
    gap: .4rem;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.cloud-connection input {
    width: 100%;
}

.cloud-connection > p {
    grid-column: 1 / -1;
    margin: 0;
}

.privacy-banner,
.training-notice {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem 1.2rem;
    border: 1px solid var(--llm-border);
    border-radius: 10px;
    background: var(--llm-panel-raised);
    color: var(--llm-muted);
    font-size: .86rem;
}

.privacy-banner strong,
.training-notice strong {
    flex: 0 0 auto;
    color: var(--llm-cyan);
    font-size: .72rem;
    letter-spacing: .08em;
}

.workflow-tabs {
    display: grid;
    grid-template-columns: repeat(6, minmax(120px, 1fr));
    max-width: 1240px;
    overflow-x: auto;
    border: 1px solid var(--llm-border);
    border-bottom: 0;
    border-radius: 14px 14px 0 0;
    background: var(--llm-panel);
}

.workflow-tabs button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 66px;
    padding: .8rem;
    border: 0;
    border-right: 1px solid var(--llm-border);
    background: transparent;
    color: var(--llm-muted);
    font-weight: 700;
    cursor: pointer;
}

.workflow-tabs button:last-child {
    border-right: 0;
}

.workflow-tabs button[aria-selected="true"] {
    background: var(--llm-panel-raised);
    color: var(--llm-text);
}

.workflow-tabs button[aria-selected="true"]::after {
    content: "";
    position: absolute;
    left: 15%;
    right: 15%;
    bottom: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--llm-cyan);
}

.workflow-tabs button span {
    width: 1.45rem;
    height: 1.45rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--llm-border-strong);
    border-radius: 50%;
    font-size: .7rem;
}

.workflow-tabs button[aria-selected="true"] span {
    border-color: var(--llm-cyan);
    background: var(--llm-cyan);
    color: var(--llm-bg);
}

.stage-shell {
    border: 1px solid var(--llm-border);
    border-radius: 0 0 14px 14px;
    background: color-mix(in srgb, var(--llm-panel) 82%, transparent);
}

.stage-panel {
    min-height: 650px;
    padding: clamp(1.25rem, 4vw, 2.5rem);
}

.stage-panel[hidden] {
    display: none;
}

.stage-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stage-heading h2 {
    margin-top: .35rem;
}

.dataset-badge {
    color: var(--llm-cyan);
}

.preview-badge {
    border-color: var(--llm-orange);
    color: var(--llm-orange);
}

.lab-card,
.concept-card {
    border: 1px solid var(--llm-border);
    border-radius: 12px;
    background: var(--llm-panel);
}

.lab-card {
    padding: 1.4rem;
}

.lab-card h3 {
    margin: .5rem 0 .7rem;
    font-size: 1.25rem;
}

.lab-card p {
    color: var(--llm-muted);
}

.data-layout,
.two-column-stage,
.training-grid,
.playground-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.dataset-stats,
.training-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .65rem;
    margin: 1.4rem 0;
}

.dataset-stats div,
.training-metrics div {
    padding: .75rem;
    border: 1px solid var(--llm-border);
    border-radius: 8px;
    background: var(--llm-panel-raised);
}

.dataset-stats dt,
.training-metrics dt {
    color: var(--llm-muted);
    font-size: .7rem;
    text-transform: uppercase;
}

.dataset-stats dd,
.training-metrics dd {
    margin: .15rem 0 0;
    color: var(--llm-text);
    font-size: 1.15rem;
    font-weight: 800;
}

.split-visual {
    display: flex;
    height: 2rem;
    overflow: hidden;
    border-radius: 6px;
    color: #041413;
    font-size: .7rem;
    font-weight: 800;
    line-height: 2rem;
    text-align: center;
}

.split-training {
    background: var(--llm-cyan);
}

.split-validation {
    background: var(--llm-purple);
}

:root[data-theme="light"] .split-validation {
    color: #ffffff;
}

:root[data-theme="light"] .split-training {
    color: #ffffff;
}

.sample-records {
    display: grid;
    gap: .8rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.sample-records li {
    position: relative;
    padding: .85rem .9rem .85rem 2.25rem;
    border-left: 2px solid var(--llm-cyan);
    background: var(--llm-panel-raised);
    color: var(--llm-muted);
    font-size: .84rem;
}

.sample-records li::before {
    content: attr(data-record);
    position: absolute;
    left: .65rem;
    color: var(--llm-cyan);
    font-size: .7rem;
    font-weight: 800;
}

.character-summary {
    display: grid;
    grid-template-columns: minmax(220px, .45fr) minmax(0, 1.55fr);
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.character-summary p {
    margin: .4rem 0 0;
    font-size: .86rem;
}

.character-frequency,
.token-strip {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.character-frequency span,
.token-chip {
    min-width: 2.3rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: .45rem .55rem;
    border: 1px solid var(--llm-border);
    border-radius: 7px;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .78rem;
}

.character-frequency small,
.token-chip small {
    color: var(--llm-muted);
    font-size: .62rem;
}

.field-label,
.architecture-controls label,
.playground-controls label {
    display: grid;
    gap: .4rem;
    color: var(--llm-text);
    font-size: .82rem;
    font-weight: 700;
}

.llm-lab-page textarea,
.llm-lab-page select,
.llm-lab-page input[type="number"] {
    width: 100%;
    border: 1px solid var(--llm-border-strong);
    border-radius: 7px;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
}

.llm-lab-page textarea {
    resize: vertical;
    padding: .85rem;
    line-height: 1.5;
}

.llm-lab-page select,
.llm-lab-page input[type="number"] {
    min-height: 42px;
    padding: .55rem .65rem;
}

.input-meta,
.output-heading {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: .55rem;
    color: var(--llm-muted);
    font-size: .72rem;
}

.field-help,
.inline-guidance {
    color: var(--llm-muted);
    font-size: .78rem;
    margin: .35rem 0 .65rem;
}

.inline-guidance {
    margin-bottom: 0;
}

.prompt-examples {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.prompt-examples > span {
    color: var(--llm-muted);
    font-size: .75rem;
    font-weight: 700;
    width: 100%;
}

.prompt-examples button {
    background: var(--llm-panel-raised);
    border: 1px solid var(--llm-border-strong);
    border-radius: 999px;
    color: var(--llm-text);
    cursor: pointer;
    font-size: .72rem;
    padding: .35rem .65rem;
}

.prompt-examples button:hover {
    border-color: var(--llm-cyan);
}

.prompt-guidance {
    border-left: .2rem solid var(--llm-cyan-strong);
    display: grid;
    gap: .25rem;
    padding-left: .75rem;
}

.prompt-guidance p {
    color: var(--llm-muted);
    font-size: .75rem;
    margin: 0;
}

.prompt-guidance .is-warning {
    color: var(--llm-orange);
    font-weight: 700;
}

.prediction-example {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .65rem;
    margin-top: 1.4rem;
    padding: 1rem;
    border: 1px solid var(--llm-border);
    border-radius: 8px;
    background: var(--llm-panel-raised);
}

.prediction-example strong {
    width: 100%;
    color: var(--llm-text);
}

.prediction-example code {
    padding: .25rem .5rem;
    border-radius: 5px;
    background: var(--llm-panel);
    color: var(--llm-cyan);
}

.prediction-example p {
    width: 100%;
    margin-bottom: 0;
    font-size: .8rem;
}

.token-output-card {
    min-width: 0;
}

.token-strip {
    max-height: 220px;
    margin-top: 1rem;
    overflow-y: auto;
}

.token-chip {
    min-width: 2rem;
}

.token-chip.is-unknown {
    border-color: var(--llm-orange);
}

.token-id-label {
    display: block;
    margin-top: 1.4rem;
}

.token-id-strip .token-chip {
    color: var(--llm-purple);
}

.architecture-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(290px, .55fr);
    gap: 1rem;
}

.control-heading,
.training-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.text-button {
    border: 0;
    border-bottom: 1px solid currentColor;
    background: transparent;
    color: var(--llm-cyan);
    cursor: pointer;
    font-size: .75rem;
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.control-grid small,
.slider-control small {
    color: var(--llm-muted);
    font-size: .68rem;
    font-weight: 400;
}

.checkbox-control {
    display: flex !important;
    grid-column: 1 / -1;
    align-items: flex-start;
    gap: .7rem !important;
    padding: .85rem;
    border: 1px solid var(--llm-border);
    border-radius: 8px;
    background: var(--llm-panel-raised);
}

.checkbox-control input {
    flex: 0 0 auto;
    width: 1.15rem;
    height: 1.15rem;
    margin-top: .12rem;
    accent-color: var(--llm-cyan-strong);
}

.checkbox-control span {
    display: grid;
}

.parameter-budget {
    align-self: stretch;
}

.parameter-total {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin: .7rem 0;
    color: var(--llm-muted);
    font-size: .78rem;
}

.parameter-total strong {
    color: var(--llm-text);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.budget-meter,
.preview-progress {
    height: .7rem;
    overflow: hidden;
    border: 1px solid var(--llm-border);
    border-radius: 999px;
    background: var(--llm-panel-raised);
}

.budget-meter span,
.preview-progress span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--llm-cyan);
    transition: width .25s ease;
}

.budget-meter.is-over-budget span {
    background: var(--llm-red);
}

.parameter-budget > p {
    margin: .5rem 0 1rem;
    font-size: .75rem;
}

.validation-message {
    padding: .75rem;
    border: 1px solid var(--llm-red);
    border-radius: 7px;
    background: color-mix(in srgb, var(--llm-red) 10%, transparent);
    color: var(--llm-text);
    font-size: .78rem;
}

.validation-message ul {
    margin: 0;
    padding-left: 1.1rem;
}

.parameter-breakdown {
    display: grid;
    gap: .2rem;
}

.parameter-breakdown div {
    display: flex;
    justify-content: space-between;
    gap: .75rem;
    padding: .45rem 0;
    border-bottom: 1px solid var(--llm-border);
}

.parameter-breakdown dt {
    color: var(--llm-muted);
    font-size: .74rem;
}

.parameter-breakdown dd {
    color: var(--llm-text);
    font-size: .78rem;
    font-weight: 700;
}

.pipeline-card {
    display: grid;
    grid-template-columns: minmax(190px, .35fr) minmax(0, 1.65fr);
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.pipeline-card p {
    margin: .4rem 0 0;
    font-size: .82rem;
}

.model-pipeline {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .6rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.model-pipeline li {
    position: relative;
    display: grid;
    align-content: center;
    min-height: 90px;
    padding: .7rem;
    border: 1px solid var(--llm-border);
    border-radius: 8px;
    background: var(--llm-panel-raised);
}

.model-pipeline li:not(:last-child)::after {
    content: "→";
    position: absolute;
    z-index: 2;
    right: -.65rem;
    top: 35%;
    color: var(--llm-cyan);
}

.model-pipeline li > span {
    color: var(--llm-cyan);
    font-size: .62rem;
}

.model-pipeline strong {
    color: var(--llm-text);
    font-size: .75rem;
}

.model-pipeline small {
    color: var(--llm-muted);
    font-size: .62rem;
}

.training-notice {
    margin: 0 0 1rem;
    border-color: var(--llm-orange);
}

.training-notice strong {
    color: var(--llm-orange);
}

.training-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, .5fr);
}

.training-toolbar > div:first-child {
    display: grid;
    gap: .25rem;
}

.training-toolbar > div:last-child {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.training-toolbar button,
.stage-navigation button,
.lab-action-primary {
    min-height: 40px;
    padding: .55rem .8rem;
    border: 1px solid var(--llm-border-strong);
    border-radius: 7px;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
    font-weight: 700;
    cursor: pointer;
}

.llm-lab-page .lab-action-primary {
    border-color: var(--llm-cyan-strong);
    background: var(--llm-cyan-strong);
    color: #031b1d;
}

:root[data-theme="light"] .llm-lab-page .lab-action-primary {
    color: #ffffff;
}

.training-toolbar button:disabled,
.stage-navigation button:disabled,
.llm-lab-page .lab-action-primary:disabled {
    opacity: .45;
    cursor: not-allowed;
    filter: grayscale(.65);
}

.preview-progress {
    margin: 1rem 0;
}

.preview-progress span {
    width: 0;
}

.training-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.training-metrics dd {
    font-size: 1rem;
}

.loss-chart {
    margin: 1rem 0 0;
}

.loss-chart figcaption {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: var(--llm-muted);
    font-size: .75rem;
}

.loss-chart figcaption strong {
    color: var(--llm-text);
}

.loss-chart i {
    display: inline-block;
    width: .7rem;
    height: .18rem;
    margin: 0 .25rem;
    vertical-align: middle;
}

.train-key {
    background: var(--llm-cyan);
}

.validation-key {
    background: var(--llm-purple);
}

.loss-chart svg {
    width: 100%;
    margin-top: .5rem;
    overflow: visible;
}

.chart-grid line {
    stroke: var(--llm-border);
    stroke-width: 1;
}

.train-loss-line,
.validation-loss-line {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.train-loss-line {
    stroke: var(--llm-cyan);
}

.validation-loss-line {
    stroke: var(--llm-purple);
}

.checkpoint-card code {
    display: block;
    min-height: 150px;
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid var(--llm-border);
    border-radius: 8px;
    background: var(--llm-panel-raised);
    color: var(--llm-cyan);
    white-space: pre-wrap;
}

.checkpoint-explanation {
    padding-top: 1rem;
    border-top: 1px solid var(--llm-border);
}

.checkpoint-explanation strong {
    color: var(--llm-text);
}

.checkpoint-explanation p {
    margin: .4rem 0 0;
    font-size: .8rem;
}

.real-training-config {
    margin-bottom: 1rem;
}

.training-config-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .75rem;
}

.training-config-grid label {
    display: grid;
    gap: .35rem;
    color: var(--llm-muted);
    font-size: .72rem;
    font-weight: 700;
}

.training-config-grid input {
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--llm-border);
    border-radius: 7px;
    padding: .55rem .65rem;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
}

.training-config-grid input:disabled {
    opacity: .55;
}

.training-event-log {
    margin-top: 1rem;
    border-top: 1px solid var(--llm-border);
    padding-top: .8rem;
}

.training-event-log summary {
    cursor: pointer;
    color: var(--llm-cyan);
    font-size: .78rem;
    font-weight: 700;
}

.training-event-log ol {
    display: grid;
    max-height: 180px;
    gap: .35rem;
    overflow: auto;
    margin: .65rem 0 0;
    padding-left: 1.5rem;
    color: var(--llm-muted);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .7rem;
}

.checkpoint-facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem;
    margin: 0 0 1rem;
}

.checkpoint-facts div {
    padding: .6rem;
    border: 1px solid var(--llm-border);
    border-radius: 7px;
    background: var(--llm-panel-raised);
}

.checkpoint-facts dt {
    color: var(--llm-muted);
    font-size: .65rem;
    text-transform: uppercase;
}

.checkpoint-facts dd {
    margin: .2rem 0 0;
    color: var(--llm-text);
    font-weight: 700;
}

.learning-explorer {
    margin-top: 1rem;
    padding: clamp(1rem, 3vw, 1.6rem);
    border: 1px solid var(--llm-border-strong);
    border-radius: 12px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--llm-cyan) 6%, transparent), transparent 40%),
        var(--llm-panel);
}

.cloud-model-actions {
    align-items: center;
    border-color: color-mix(in srgb, var(--llm-accent) 45%, var(--llm-border));
    display: flex;
    gap: 1.25rem;
    justify-content: space-between;
    margin: 1rem 0;
}

.cloud-model-actions p {
    margin: .35rem 0 0;
}

.cloud-model-actions > div:last-child {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

.token-flow-card {
    background: var(--llm-card);
    border: 1px solid var(--llm-border);
    border-radius: 1rem;
    margin: 1rem 0;
    padding: 1rem;
}

.token-flow-card figcaption {
    display: flex;
    justify-content: space-between;
}

.transformer-token-flow {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin-top: .8rem;
    min-height: 3rem;
}

.token-flow-chip,
.token-flow-stage {
    border: 1px solid var(--llm-border);
    border-radius: .55rem;
    padding: .45rem .6rem;
}

.token-flow-chip {
    background: color-mix(in srgb, var(--llm-accent) 10%, var(--llm-card));
    font-family: var(--font-mono);
}

.token-flow-chip.is-current {
    border-width: 2px;
}

.token-flow-arrow {
    color: var(--llm-accent);
    font-weight: 900;
}

.chat-history {
    display: grid;
    gap: .55rem;
    margin-bottom: .75rem;
    max-height: 16rem;
    overflow: auto;
}

.chat-turn {
    border-left: 3px solid var(--llm-accent);
    margin: 0;
    padding: .55rem .7rem;
    white-space: pre-wrap;
}

.chat-turn.is-model {
    border-left-color: var(--llm-secondary);
}

.training-report {
    margin-top: 1rem;
}

.training-report-heading {
    align-items: start;
    display: flex;
    justify-content: space-between;
}

#training-report-content {
    display: grid;
    gap: .75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1rem;
}

.report-section {
    background: color-mix(in srgb, var(--llm-accent) 5%, var(--llm-card));
    border: 1px solid var(--llm-border);
    border-radius: .8rem;
    padding: .9rem;
}

.report-section h4,
.report-section p {
    margin: 0;
}

.report-section p {
    margin-top: .35rem;
}

.explorer-heading {
    display: grid;
    grid-template-columns: 1fr minmax(280px, .7fr);
    gap: 1.5rem;
    align-items: end;
}

.explorer-heading h3 {
    margin: .3rem 0;
    font-size: 1.55rem;
}

.explorer-heading p {
    margin-bottom: 0;
    color: var(--llm-muted);
}

.replay-controls {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .45rem .75rem;
}

.replay-controls label {
    display: flex;
    grid-column: 1 / -1;
    justify-content: space-between;
    color: var(--llm-muted);
    font-size: .75rem;
    font-weight: 700;
}

.replay-controls output {
    color: var(--llm-cyan);
}

.replay-controls input {
    width: 100%;
    accent-color: var(--llm-cyan);
}

.replay-controls button {
    min-height: 38px;
    border: 1px solid var(--llm-border-strong);
    border-radius: 7px;
    padding: .45rem .75rem;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
}

.replay-controls button:disabled {
    opacity: .45;
}

.explorer-summary {
    margin: 1rem 0;
    padding: .7rem .8rem;
    border-left: 3px solid var(--llm-cyan);
    color: var(--llm-muted);
    background: var(--llm-panel-raised);
    font-size: .78rem;
}

.explorer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
}

.explorer-card {
    min-width: 0;
    margin: 0;
    padding: 1rem;
    border: 1px solid var(--llm-border);
    border-radius: 9px;
    background: var(--llm-panel-raised);
}

.explorer-card figcaption {
    display: flex;
    gap: .5rem;
    justify-content: space-between;
    margin-bottom: .75rem;
    color: var(--llm-muted);
    font-size: .68rem;
}

.explorer-card figcaption strong {
    color: var(--llm-text);
    font-size: .78rem;
}

.explorer-card figcaption select {
    border: 1px solid var(--llm-border);
    border-radius: 4px;
    padding: .15rem .3rem;
    background: var(--llm-panel);
    color: var(--llm-text);
    font-size: .68rem;
}

#embedding-evolution {
    display: block;
    width: 100%;
    min-height: 150px;
}

.embedding-axis {
    stroke: var(--llm-border);
    stroke-width: 1;
}

.embedding-line {
    fill: none;
    stroke: var(--llm-cyan);
    stroke-width: 2.5;
}

.embedding-line-secondary {
    fill: none;
    stroke: var(--llm-purple);
    stroke-width: 2;
}

.attention-matrix {
    display: grid;
    gap: 2px;
    width: min(100%, 330px);
    aspect-ratio: 1;
}

.attention-cell {
    display: grid;
    min-width: 0;
    place-items: center;
    border-radius: 2px;
    color: var(--llm-text);
    font-size: clamp(.4rem, 1vw, .62rem);
}

.explorer-bars {
    display: grid;
    max-height: 190px;
    gap: .3rem;
    overflow: auto;
}

.explorer-bar {
    display: grid;
    grid-template-columns: minmax(52px, auto) minmax(70px, 1fr) auto;
    gap: .45rem;
    align-items: center;
    color: var(--llm-muted);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .65rem;
}

.explorer-bar i {
    display: block;
    min-width: 2px;
    height: .45rem;
    border-radius: 99px;
    background: var(--llm-cyan);
}

.next-token-card {
    display: grid;
    align-content: center;
    text-align: center;
}

.next-token-card > strong {
    display: block;
    margin: .6rem 0;
    color: var(--llm-cyan);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: clamp(2rem, 6vw, 4rem);
}

.next-token-card p {
    margin: 0;
    color: var(--llm-muted);
}

.playground-layout {
    grid-template-columns: minmax(300px, .7fr) minmax(0, 1.3fr);
}

.response-ranking-lab {
    margin-bottom: 1rem;
}

.ranking-heading,
.ranking-controls {
    align-items: start;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

.ranking-heading h3 {
    margin: .25rem 0;
}

.ranking-heading p {
    margin: 0;
    max-width: 60rem;
}

.ranking-controls {
    align-items: end;
    border-top: 1px solid var(--llm-border);
    margin-top: 1rem;
    padding-top: 1rem;
}

.ranking-controls label {
    display: grid;
    flex: 1;
    font-size: .8rem;
    font-weight: 800;
    gap: .4rem;
}

.ranking-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

.ranking-actions button {
    min-height: 40px;
    padding: .55rem .8rem;
    border: 1px solid var(--llm-border-strong);
    border-radius: 7px;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
    cursor: pointer;
    font-weight: 800;
}

.ranking-actions button:disabled {
    cursor: not-allowed;
    filter: grayscale(.65);
    opacity: .45;
}

.ranking-alert,
.ranking-verdict {
    background: var(--llm-panel-raised);
    border: 1px solid var(--llm-border);
    border-radius: .75rem;
    margin-top: 1rem;
    padding: 1rem;
}

.ranking-alert p,
.ranking-verdict p {
    margin: .35rem 0 0;
}

.ranking-status {
    align-items: center;
    color: var(--llm-muted);
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    justify-content: space-between;
    margin: 1rem 0;
}

.ranking-status button {
    min-height: 40px;
    padding: .55rem .8rem;
    border: 1px solid var(--llm-border-strong);
    border-radius: 7px;
    background: var(--llm-panel-raised);
    color: var(--llm-text);
    cursor: pointer;
    font-weight: 800;
}

.human-decision {
    border: 2px solid var(--llm-cyan-strong);
    border-radius: .9rem;
    padding: 1rem;
}

.human-decision-heading h4,
.ranking-set-results h4 {
    margin: .25rem 0 .75rem;
}

.human-decision-grid {
    display: grid;
    gap: .75rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.human-decision-grid article,
.ranking-set-metrics article {
    background: var(--llm-panel-raised);
    border: 1px solid var(--llm-border);
    border-radius: .75rem;
    padding: 1rem;
}

.human-decision-grid span,
.ranking-set-metrics span {
    color: var(--llm-muted);
    display: block;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.human-decision-grid strong,
.ranking-set-metrics strong {
    display: block;
    font-size: 1.2rem;
    margin: .35rem 0;
}

.human-decision-grid p {
    margin: .5rem 0 0;
}

.decision-outcome.is-match {
    border-left: .35rem solid var(--llm-green);
}

.decision-outcome.is-different {
    border-left: .35rem solid var(--llm-orange);
}

.ranking-evidence {
    border: 1px solid var(--llm-border);
    border-radius: .75rem;
    margin-top: 1rem;
    padding: .8rem;
}

.ranking-evidence > summary {
    cursor: pointer;
    font-weight: 800;
}

.ranking-evidence .ranking-summary {
    margin-top: 1rem;
}

.ranking-set-results {
    border-top: 1px solid var(--llm-border);
    margin-top: 1rem;
    padding-top: 1rem;
}

.ranking-set-results > div:first-child p {
    color: var(--llm-muted);
    margin: 0;
}

.ranking-set-metrics {
    display: grid;
    gap: .75rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 1rem;
}

.ranking-set-table td strong {
    display: block;
    margin-bottom: .25rem;
}

.ranking-set-table .result-match {
    color: var(--llm-green);
    font-weight: 800;
}

.ranking-set-table .result-different {
    color: var(--llm-orange);
    font-weight: 800;
}

.ranking-summary {
    display: grid;
    gap: .75rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ranking-summary article,
.character-comparison article {
    background: var(--llm-panel-raised);
    border: 1px solid var(--llm-border);
    border-radius: .75rem;
    padding: .85rem;
}

.ranking-summary span,
.character-comparison span {
    color: var(--llm-muted);
    display: block;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.ranking-summary strong,
.character-comparison strong {
    display: block;
    font-size: 1.3rem;
    margin: .25rem 0;
}

.ranking-summary small {
    color: var(--llm-muted);
}

.ranking-table-wrap {
    margin-top: 1rem;
    overflow-x: auto;
}

.ranking-table {
    border-collapse: collapse;
    min-width: 760px;
    width: 100%;
}

.ranking-table caption {
    color: var(--llm-muted);
    padding: .5rem 0;
    text-align: left;
}

.ranking-table th,
.ranking-table td {
    border-bottom: 1px solid var(--llm-border);
    padding: .75rem;
    text-align: left;
    vertical-align: top;
}

.ranking-table tbody tr.is-correct {
    background: color-mix(in srgb, var(--llm-green) 9%, transparent);
}

.ranking-table tbody tr.is-selected {
    box-shadow: inset .2rem 0 0 var(--llm-cyan);
}

.ranking-table td:first-child > strong {
    display: block;
    margin-bottom: .3rem;
}

.ranking-result-label {
    display: inline-block;
    font-size: .7rem;
    font-weight: 800;
    margin: .15rem;
}

.character-microscope {
    background: var(--llm-panel);
    border: 1px solid var(--llm-border);
    border-radius: .9rem;
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(14rem, 1fr) minmax(10rem, .45fr);
    margin-top: 1rem;
    padding: 1rem;
}

.character-microscope h4,
.character-microscope p {
    margin: .25rem 0 0;
}

.character-comparison {
    display: grid;
    gap: .6rem;
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.character-microscope > div:last-child {
    grid-column: 1 / -1;
}

.advanced-generation {
    border: 1px solid var(--llm-border);
    border-radius: .9rem;
    margin-bottom: 1rem;
    padding: 1rem;
}

.advanced-generation > summary {
    color: var(--llm-text);
    cursor: pointer;
    font-weight: 800;
}

.advanced-generation > p {
    color: var(--llm-muted);
}

.advanced-generation .playground-layout {
    margin-top: 1rem;
}

.playground-controls {
    display: grid;
    gap: 1rem;
}

.slider-control {
    display: grid;
    gap: .5rem;
}

.slider-control label {
    display: flex;
    justify-content: space-between;
}

.slider-control output {
    color: var(--llm-cyan);
}

.llm-lab-page input[type="range"] {
    width: 100%;
    accent-color: var(--llm-cyan-strong);
}

.playground-settings {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .6rem;
}

.generated-output-card {
    display: flex;
    flex-direction: column;
}

.generated-output-card pre {
    flex: 1;
    min-height: 260px;
    margin: 1rem 0;
    padding: 1rem;
    overflow: auto;
    border: 1px solid var(--llm-border-strong);
    border-radius: 8px;
    background:
        linear-gradient(var(--llm-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--llm-grid) 1px, transparent 1px),
        var(--llm-panel-raised);
    background-size: 24px 24px;
    color: var(--llm-text);
    font: .9rem/1.7 ui-monospace, SFMono-Regular, Consolas, monospace;
    white-space: pre-wrap;
}

.generated-output-card > p {
    margin-bottom: 0;
    font-size: .78rem;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.concept-card {
    min-height: 210px;
    padding: 1.25rem;
}

.concept-card > span {
    color: var(--llm-cyan);
    font-size: .7rem;
    font-weight: 800;
}

.concept-card h3 {
    margin: .6rem 0;
    font-size: 1.15rem;
}

.concept-card p {
    color: var(--llm-muted);
    font-size: .84rem;
}

.tiny-model-limitations {
    display: grid;
    grid-template-columns: minmax(250px, .65fr) minmax(0, 1.35fr);
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
    padding: 1.35rem;
    border: 1px solid var(--llm-orange);
    border-radius: 12px;
    background: color-mix(in srgb, var(--llm-orange) 7%, var(--llm-panel));
}

.tiny-model-limitations > div {
    display: flex;
    align-items: center;
    gap: .85rem;
}

.tiny-model-limitations > div > span {
    width: 2.5rem;
    height: 2.5rem;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--llm-orange);
    border-radius: 50%;
    color: var(--llm-orange);
    font-size: 1.3rem;
}

.tiny-model-limitations h3,
.tiny-model-limitations p {
    margin: 0;
}

.tiny-model-limitations p {
    color: var(--llm-muted);
    font-size: .86rem;
}

.stage-navigation {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
    border-top: 1px solid var(--llm-border);
}

.stage-navigation button:first-child {
    justify-self: start;
}

.stage-navigation button:last-child {
    justify-self: end;
}

.stage-navigation span {
    color: var(--llm-muted);
    font-size: .78rem;
}

.my-models {
    margin-top: 1.25rem;
}

.my-models-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.25rem;
}

.my-models-heading h3 {
    margin: .25rem 0 .35rem;
    font-size: 1.35rem;
}

.my-models-heading p {
    max-width: 720px;
    margin: 0;
    color: var(--llm-muted);
}

.my-models-toolbar,
.model-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.my-models-toolbar button,
.model-card-actions button {
    min-height: 2.55rem;
    padding: .55rem .8rem;
    border: 1px solid var(--llm-border-strong);
    border-radius: .65rem;
    color: var(--llm-text);
    background: var(--llm-surface);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.my-models-toolbar button:hover,
.model-card-actions button:hover {
    border-color: var(--llm-accent);
}

.model-library-status {
    min-height: 1.4em;
    margin: 1rem 0;
    color: var(--llm-muted);
}

.model-library-status.is-error {
    color: var(--llm-red);
    font-weight: 700;
}

.my-models-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .85rem;
}

.saved-model-card {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--llm-border);
    border-radius: .9rem;
    background: var(--llm-panel-raised);
}

.saved-model-card.is-active {
    border-color: var(--llm-accent);
    box-shadow: inset .25rem 0 0 var(--llm-accent);
}

.saved-model-card h4 {
    margin: 0;
    font-size: 1.08rem;
    overflow-wrap: anywhere;
}

.saved-model-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .55rem;
    margin: .8rem 0;
}

.saved-model-meta div {
    min-width: 0;
}

.saved-model-meta dt {
    color: var(--llm-muted);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.saved-model-meta dd {
    margin: .18rem 0 0;
    font-size: .84rem;
    overflow-wrap: anywhere;
}

.saved-model-preview {
    min-height: 3.8rem;
    max-height: 6.2rem;
    margin: .75rem 0;
    padding: .7rem;
    overflow: auto;
    border-left: .2rem solid var(--llm-accent);
    color: var(--llm-text);
    background: var(--llm-panel);
    font: .78rem/1.45 ui-monospace, SFMono-Regular, Consolas, monospace;
    white-space: pre-wrap;
}

.model-card-actions .danger-action {
    color: var(--llm-red);
}

.empty-model-library {
    grid-column: 1 / -1;
    padding: 1.5rem;
    border: 1px dashed var(--llm-border-strong);
    border-radius: .9rem;
    color: var(--llm-muted);
    text-align: center;
}

.llm-lab-page .site-footer {
    border-color: var(--llm-border);
}

.llm-review-context {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--llm-border);
    color: var(--llm-muted);
    background: var(--llm-panel);
    font-size: .82rem;
}

.llm-review-context a {
    color: var(--llm-cyan);
    font-weight: 800;
}

@media (prefers-reduced-motion: reduce) {
    .llm-lab-page *,
    .llm-lab-page *::before,
    .llm-lab-page *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media (max-width: 1000px) {
    .llm-hero,
    .architecture-layout {
        grid-template-columns: 1fr;
    }

    .llm-hero {
        min-height: auto;
    }

    .scale-note {
        max-width: 720px;
    }

    .pipeline-card,
    .character-summary {
        grid-template-columns: 1fr;
    }

    .training-grid {
        grid-template-columns: 1fr;
    }

    .model-pipeline {
        grid-template-columns: repeat(5, minmax(125px, 1fr));
        overflow-x: auto;
        padding-bottom: .5rem;
    }

    .analysis-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .cloud-connection {
        grid-template-columns: 1fr;
    }

    .cloud-connection > p {
        grid-column: auto;
    }

    .cloud-model-actions,
    .training-report-heading {
        align-items: stretch;
        flex-direction: column;
    }

    #training-report-content {
        grid-template-columns: 1fr;
    }

    .ranking-heading,
    .ranking-controls {
        align-items: stretch;
        flex-direction: column;
    }

    .ranking-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .human-decision-grid {
        grid-template-columns: 1fr;
    }

    .character-microscope {
        grid-template-columns: 1fr;
    }

    .character-comparison {
        grid-template-columns: 1fr;
    }

    .ranking-set-metrics {
        grid-template-columns: 1fr;
    }

    .training-config-grid,
    .explorer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .explorer-heading {
        grid-template-columns: 1fr;
    }
    .llm-lab-page main {
        padding-top: 68px;
    }

    .mode-grid,
    .data-layout,
    .two-column-stage,
    .playground-layout {
        grid-template-columns: 1fr;
    }

    .workflow-tabs {
        grid-template-columns: repeat(6, minmax(145px, 1fr));
    }

    .stage-heading {
        flex-direction: column;
    }

    .dataset-stats,
    .training-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .training-toolbar {
        flex-direction: column;
    }

    .tiny-model-limitations {
        grid-template-columns: 1fr;
    }

    .my-models-heading {
        flex-direction: column;
    }

    .my-models-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .training-config-grid,
    .explorer-grid {
        grid-template-columns: 1fr;
    }
    .llm-hero,
    .mode-section,
    .workflow-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .llm-hero {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }

    .llm-hero h1 {
        font-size: 2.65rem;
    }

    .hero-facts {
        display: grid;
    }

    .mode-card {
        min-height: 0;
    }

    .privacy-banner,
    .training-notice {
        align-items: flex-start;
        flex-direction: column;
        gap: .35rem;
    }

    .stage-panel {
        padding: 1rem;
    }

    .control-grid,
    .analysis-grid,
    .playground-settings {
        grid-template-columns: 1fr;
    }

    .dataset-stats,
    .training-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .input-meta,
    .output-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: .25rem;
    }

    .saved-model-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stage-navigation {
        grid-template-columns: repeat(2, 1fr);
    }

    .stage-navigation span {
        grid-column: 1 / -1;
        grid-row: 1;
        text-align: center;
    }

    .stage-navigation button {
        width: 100%;
    }
}