/* Hallmark · shape: Photographic → Workbench (front page, then the app screen) · genre: atmospheric · theme: brand · design-system: design.md (locked) · redesign: full
 * paper: oklch(0.14 0.02 250) · accent: oklch(0.82 0.12 200) · display: Space Grotesk · body: IBM Plex Sans · hero: Poster (field plate, paper plate at its base) · nav: edge-aligned sticky bar (front), masthead bar (app) · footer: Ft2 inline line · signature: six real Live Experience captures in a rail
 * axes: dark/grotesk-sans/chromatic-cyan · posture: Restrained · job: try (enter the workspace) · imagery: field plate + screenshots 6 (captured from the shell) · contrast: pass · fold: pass · v2.0.0 */
/* Hallmark · pre-emit critique: P4 H4 E4 S5 R4 V4 · weakest: P, the claim "a precise instrument for altered states" leans on one statement; the steps and the plain answers carry the proof in the product's own facts */
/* Hallmark · hero-review: fix · 5 findings · 3 resolved, 1 partial (headline keeps the 680px measure), 1 answered (the captures lead the first section; design.md locks the entry fold to the field plate) */
/* Hallmark · finish-review: subagent · 8 findings · 8 resolved (one Floor: 73, the install button over the disclaimer) · gap: none · sweep: Floor 0 FAIL · Reflex 0 (1 waived: 77) · dismissed 58, F7, F15 */
/* Hallmark · dropped #pfGrain, .launch-caption, .launch-sub · the grain wash is ambience design.md never named, and the mono caption read "Field plate · consciousness simulation"; the live scan status now says what the old line did */
/* Hallmark · waive 77 · the GPU Lab band is one line of type and one action, once a page · it closes the front page by pointing at the separate /gpu/ WebGPU route instead of repeating Enter */
/* Hallmark · dismissed 58 · the 174 counted words include 153 inside the closed device scan drawer; the hero shows 29 words and the window from y=750 about 64 */
/* Hallmark · dismissed F15 · two screens share one document: the front page runs to 1440 and the workspace keeps the shell's 1280px measure that tests/test_static_shell_assets.py pins; no screen shows both */
/* Hallmark · dismissed F7 · the six field inputs share one recipe because they are one kind of control, and the eight wells (captures, viewport, empty states, phase transport) are one surface for held content; roles differ by size, not by box */
/* Hallmark · frontend skill applied: spacing scale 2 to 96px (--space-25 to --space-900), Tailwind type steps and radii, sentence case, eight control states, skip links, the word-lit tagline; refused where design.md or the Floor wins: Geist, gradient hero text, its grey palette, transition-all, blur fade-ups, the floating pill nav */

/* ===== Tokens ===== */

:root {
    color-scheme: dark;

    /* design.md palette */
    --color-paper: oklch(0.14 0.02 250);
    --color-paper-2: oklch(0.18 0.02 250);
    --color-paper-3: oklch(0.22 0.02 250);
    --color-ink: oklch(0.96 0.01 250);
    --color-ink-2: oklch(0.72 0.03 250);
    --color-muted: oklch(0.64 0.025 250);
    --color-rule: oklch(0.32 0.02 250);
    --color-rule-strong: oklch(0.42 0.02 250);
    --color-accent: oklch(0.82 0.12 200);
    --color-accent-hover: oklch(0.88 0.1 200);
    --color-accent-ink: oklch(0.17 0.03 220);
    --color-focus: oklch(0.82 0.12 200);
    --color-scrim: oklch(0.14 0.02 250 / 0.88);
    --color-shade: oklch(0.1 0.02 250 / 0.6);

    /* States; magenta and violet stay with field metrics, never chrome */
    --color-success: oklch(0.8 0.15 160);
    --color-warning: oklch(0.83 0.14 75);
    --color-danger: oklch(0.7 0.19 15);
    --color-danger-wash: oklch(0.7 0.19 15 / 0.12);
    --color-magenta: oklch(0.63 0.16 350);
    --color-violet: oklch(0.67 0.11 275);

    /* Names the scripts and the GPU chrome read */
    --color-signal-primary: var(--color-accent);
    --color-signal-secondary: var(--color-magenta);
    --color-signal-tertiary: var(--color-violet);
    --color-status-success: var(--color-success);
    --color-status-warning: var(--color-warning);
    --color-status-danger: var(--color-danger);
    --pf-bg-0: var(--color-paper);
    --pf-bg-1: var(--color-paper-2);
    --pf-bg-2: var(--color-paper-3);
    --pf-border-subtle: var(--color-rule);
    --pf-border-strong: var(--color-rule-strong);
    --pf-text-main: var(--color-ink);
    --pf-text-muted: var(--color-ink-2);
    --pf-text-soft: var(--color-muted);
    --pf-ink-on-accent: var(--color-accent-ink);
    --pf-cyan: var(--color-accent);
    --pf-magenta: var(--color-magenta);
    --pf-violet: var(--color-violet);
    --pf-success: var(--color-success);
    --pf-warning: var(--color-warning);
    --pf-danger: var(--color-danger);

    /* Faces, self-hosted (fonts.css) */
    --font-display: "Space Grotesk", "IBM Plex Sans", system-ui, sans-serif;
    --font-body: "IBM Plex Sans", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --pf-font-display: var(--font-display);
    --pf-font-main: var(--font-body);
    --pf-font-mono: var(--font-mono);

    /* Type steps (Tailwind scale) and their paired leading */
    --text-xs: 0.75rem;   --leading-xs: 1rem;
    --text-sm: 0.875rem;  --leading-sm: 1.25rem;
    --text-base: 1rem;    --leading-base: 1.5rem;
    --text-lg: 1.125rem;  --leading-lg: 1.75rem;
    --text-xl: 1.25rem;   --leading-xl: 1.75rem;
    --text-2xl: 1.5rem;   --leading-2xl: 2rem;
    --text-3xl: 1.875rem; --leading-3xl: 2.25rem;
    --text-4xl: 2.25rem;  --leading-4xl: 2.5rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    /* Roles, stepped by width below */
    --text-display: var(--text-4xl);
    --text-section: var(--text-4xl);
    --text-statement: var(--text-4xl);
    --text-title: var(--text-xl);
    --text-lead: var(--text-lg);
    --text-md: var(--text-base);

    /* Spacing (frontend skill scale) */
    --space-25: 2px;
    --space-50: 4px;
    --space-75: 8px;
    --space-100: 12px;
    --space-200: 16px;
    --space-300: 24px;
    --space-400: 32px;
    --space-500: 40px;
    --space-600: 48px;
    --space-700: 64px;
    --space-800: 80px;
    --space-900: 96px;

    /* Canvas */
    --container: 1440px;
    --gutter: var(--space-700);
    --gap-columns: var(--space-400);
    --section-pad: var(--space-800);
    --bar-h: 64px;
    --control-h: 40px;
    --control-h-front: 44px;
    --rail-w: 360px;

    /* Radii (Tailwind) */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* Motion */
    --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
    --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --dur-micro: 120ms;
    --dur-short: 220ms;
    --dur-long: 420ms;

    /* Layers */
    --z-base: 1;
    --z-raised: 10;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-sticky-nav: 300;
    --z-modal: 400;
    --z-toast: 500;
    --z-tooltip: 600;
}

@media (min-width: 48rem) {
    :root {
        --text-display: var(--text-6xl);
        --text-section: var(--text-5xl);
        --text-statement: var(--text-5xl);
        --text-title: var(--text-2xl);
        --text-lead: var(--text-xl);
    }
}

@media (min-width: 80rem) {
    :root {
        --text-display: var(--text-7xl);
        --text-statement: var(--text-6xl);
    }
}

@media (max-width: 60rem) {
    :root {
        --gutter: var(--space-300);
        --section-pad: var(--space-700);
    }
}

@media (max-width: 40rem) {
    :root {
        --gutter: var(--space-200);
        --gap-columns: var(--space-200);
        --section-pad: var(--space-600);
    }
}

/* ===== Base ===== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    overflow-x: clip;
}

html {
    scrollbar-color: var(--color-rule-strong) var(--color-paper);
    scroll-padding-top: calc(var(--bar-h) + var(--space-200));
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100dvh;
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-base);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    caret-color: var(--color-accent);
}

::selection {
    background: color-mix(in oklab, var(--color-accent) 28%, transparent);
    color: var(--color-ink);
}

:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 500;
    font-synthesis: none;
    letter-spacing: -0.02em;
    color: var(--color-ink);
    overflow-wrap: break-word;
    min-width: 0;
    text-wrap: balance;
}

p,
ul,
ol,
dl,
dd,
figure,
pre {
    margin: 0;
}

p {
    text-wrap: pretty;
}

ul,
ol {
    padding: 0;
    list-style: none;
}

img,
canvas,
video {
    max-width: 100%;
    display: block;
}

img {
    height: auto;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.16em;
}

code,
pre,
kbd {
    font-family: var(--font-mono);
    font-size: 0.92em;
}

[hidden] {
    display: none !important;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    left: var(--space-200);
    top: calc(-1 * var(--space-900));
    z-index: var(--z-toast);
    padding: var(--space-75) var(--space-200);
    border-radius: var(--radius-sm);
    background: var(--color-ink);
    color: var(--color-paper);
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus-visible {
    top: var(--space-200);
}

.muted {
    color: var(--color-muted);
}

/* Brand icon pack via mask, inherits currentColor */
.pf-icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-color: currentColor;
    mask: var(--pf-icon) center / contain no-repeat;
    -webkit-mask: var(--pf-icon) center / contain no-repeat;
    flex-shrink: 0;
    vertical-align: -0.125em;
}

.pf-icon-reset { --pf-icon: url("/assets/icons/pf-icon-reset-24.svg"); }
.pf-icon-field-grid { --pf-icon: url("/assets/icons/pf-icon-field-grid-24.svg"); }
.pf-icon-binding { --pf-icon: url("/assets/icons/pf-icon-binding-24.svg"); }
.pf-icon-psychedelic { --pf-icon: url("/assets/icons/pf-icon-psychedelic-24.svg"); }
.pf-icon-preset { --pf-icon: url("/assets/icons/pf-icon-preset-24.svg"); }
.pf-icon-console { --pf-icon: url("/assets/icons/pf-icon-console-24.svg"); }
.pf-icon-ethics { --pf-icon: url("/assets/icons/pf-icon-ethics-24.svg"); }
.pf-icon-valence { --pf-icon: url("/assets/icons/pf-icon-valence-meter-24.svg"); }
.pf-icon-jhana { --pf-icon: url("/assets/icons/pf-icon-jhana-24.svg"); }
.pf-icon-core-sigil { --pf-icon: url("/assets/icons/pf-icon-core-sigil-24.svg"); }

/* ===== Controls ===== */

.btn-primary,
.btn-secondary,
.btn-danger,
.btn-quiet {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-75);
    min-height: var(--control-h);
    padding: var(--space-75) var(--space-100);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    font-weight: 600;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color var(--dur-short) var(--ease-out),
        border-color var(--dur-short) var(--ease-out),
        color var(--dur-short) var(--ease-out),
        transform var(--dur-micro) var(--ease-out);
}

.btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-accent-ink);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-secondary {
    background: var(--color-paper);
    border-color: var(--color-rule-strong);
    color: var(--color-ink);
}

.btn-secondary:hover {
    background: var(--color-paper-3);
    border-color: var(--color-muted);
}

.btn-danger {
    background: var(--color-paper);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger-wash);
}

.btn-quiet {
    background: transparent;
    color: var(--color-ink-2);
}

.btn-quiet:hover {
    color: var(--color-ink);
    background: var(--color-paper-2);
}

.btn-primary:active,
.btn-secondary:active,
.btn-danger:active,
.btn-quiet:active,
.nav-link:active,
.substance-card:active,
.preset-btn:active {
    transform: translateY(1px);
}

.btn-primary:disabled,
.btn-secondary:disabled,
.btn-danger:disabled,
.btn-quiet:disabled,
.nav-link:disabled,
.substance-card:disabled,
.preset-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn-primary[aria-busy="true"],
.btn-secondary[aria-busy="true"] {
    cursor: progress;
}

.btn-with-icon .pf-icon {
    font-size: var(--text-base);
}

.lever-armed {
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.text-link {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color var(--dur-short) var(--ease-out);
}

.text-link:hover {
    text-decoration-color: currentColor;
}

.text-link:active {
    color: var(--color-accent-hover);
}

/* Fields */

.input-group {
    display: grid;
    align-content: start;
    gap: var(--space-50);
    min-width: 0;
}

.input-group label,
.compare-mode-label,
.phase-transport-head,
.mod-meter-grid label {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    font-weight: 500;
    color: var(--color-ink-2);
}

.input-group label span,
.phase-label {
    color: var(--color-ink);
    font-variant-numeric: tabular-nums;
}

.input-group select,
.input-group input[type="number"],
.input-group input[type="text"],
.seed-row input,
.experience-chrome select,
.compare-group select {
    width: 100%;
    min-width: 0;
    min-height: var(--control-h);
    padding: var(--space-75) var(--space-100);
    border: 1px solid var(--color-muted);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    outline: 2px solid transparent;
    outline-offset: -2px;
}

.input-group select:hover,
.input-group input[type="number"]:hover,
.input-group input[type="text"]:hover,
.seed-row input:hover,
.experience-chrome select:hover {
    background: var(--color-paper-2);
}

.input-group select:focus-visible,
.input-group input:focus-visible,
.seed-row input:focus-visible,
.experience-chrome select:focus-visible,
.compare-group select:focus-visible {
    outline-color: var(--color-focus);
}

.input-group select:disabled,
.input-group input:disabled,
.seed-row input:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.input-group input:invalid:not(:placeholder-shown),
.input-group input[aria-invalid="true"] {
    border-color: var(--color-danger);
}

.input-group input::placeholder {
    color: var(--color-muted);
}

input[type="file"] {
    font-size: var(--text-sm);
    color: var(--color-ink-2);
    max-width: 100%;
}

input[type="file"]::file-selector-button {
    margin-right: var(--space-100);
    min-height: var(--control-h);
    padding: var(--space-75) var(--space-100);
    border: 1px solid var(--color-rule-strong);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    font-weight: 600;
    cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
    background: var(--color-paper-3);
}

input[type="range"] {
    width: 100%;
    min-height: var(--space-500);
    margin: 0;
    accent-color: var(--color-accent);
    cursor: pointer;
}

input[type="range"]:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

input[type="range"].stations-mode {
    accent-color: var(--color-warning);
}

input[type="checkbox"] {
    width: var(--space-200);
    height: var(--space-200);
    margin: 0;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.input-hint {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-muted);
    max-width: 60ch;
}

.control-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-200);
}

.checkbox-row,
.toggle-row {
    display: flex;
    align-items: center;
    gap: var(--space-75);
    min-height: var(--control-h);
    font-size: var(--text-sm);
    color: var(--color-ink);
    cursor: pointer;
}

.compact-checks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: var(--space-50) var(--space-200);
}

.compact-checks label {
    display: flex;
    align-items: center;
    gap: var(--space-75);
    min-height: var(--control-h);
    font-size: var(--text-sm);
    cursor: pointer;
}

.session-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-75);
}

/* Drawers */

.control-drawer {
    border-top: 1px solid var(--color-rule);
}

.control-drawer > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-100);
    min-height: 48px;
    padding-block: var(--space-100);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-ink);
    list-style: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.control-drawer > summary::-webkit-details-marker {
    display: none;
}

.control-drawer > summary::after {
    content: "";
    flex-shrink: 0;
    width: var(--space-75);
    height: var(--space-75);
    margin-right: var(--space-50);
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform var(--dur-short) var(--ease-out);
}

.control-drawer[open] > summary::after {
    transform: rotate(225deg) translateY(-2px);
}

.control-drawer > summary:hover {
    color: var(--color-accent);
}

.drawer-body {
    display: grid;
    gap: var(--space-200);
    padding-bottom: var(--space-300);
}

/* ===== Front page (launch splash) ===== */

body.launch-pending #appShell {
    position: fixed;
    inset: 0;
    overflow: hidden;
    visibility: hidden;
    pointer-events: none;
}

body.launch-ready #appShell {
    visibility: visible;
    pointer-events: auto;
    animation: shell-enter var(--dur-short) var(--ease-out) both;
}

/* The masthead holds once the front bar is gone; the two never share a screen */
body.launch-ready .masthead {
    position: sticky;
    top: 0;
}

.launch-splash {
    position: relative;
    padding-top: var(--bar-h);
    background: var(--color-paper);
}

.launch-splash[hidden] {
    display: none !important;
}

/* Fixed, not sticky: Enter stays in reach on every screen of the front page */
.front-bar {
    position: fixed;
    inset: 0 0 auto;
    z-index: var(--z-sticky-nav);
    background: var(--color-scrim);
    border-bottom: 1px solid var(--color-rule);
}

.front-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-200);
    min-height: var(--bar-h);
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: var(--space-100);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-ink);
}

.launch-sigil {
    width: 28px;
    height: 28px;
}

.launch-actions {
    display: flex;
    align-items: center;
    gap: var(--space-75);
}

.launch-actions .btn-primary,
.launch-actions .btn-quiet {
    min-height: var(--control-h-front);
    padding-inline: var(--space-200);
}

.front-hero {
    display: grid;
    grid-template-rows: minmax(16rem, 1fr) auto;
    min-height: calc(100dvh - var(--bar-h));
}

/* The field plate fills the screen above the type; nothing covers its centre */
.front-hero-plate {
    position: relative;
    margin: 0;
    overflow: hidden;
}

.launch-caption {
    position: absolute;
    right: var(--gutter);
    bottom: var(--space-200);
    z-index: var(--z-raised);
    padding: var(--space-50) var(--space-75);
    border-radius: var(--radius-sm);
    background: var(--color-scrim);
    color: var(--color-ink-2);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
}

.launch-hero {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 46%;
}

/* The paper plate at the photograph's base, edge to edge */
.front-hero-base {
    background: var(--color-paper);
    color: var(--color-ink);
    border-top: 1px solid var(--color-rule);
}

.front-hero-copy {
    animation: launch-panel-in var(--dur-long) var(--ease-out) both;
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-300) var(--gap-columns);
    align-items: end;
    padding-block: var(--space-500) var(--space-700);
}

.front-hero h1 {
    max-width: 680px;
    font-size: var(--text-display);
    line-height: 1;
    letter-spacing: -0.03em;
}

.front-hero-side {
    display: grid;
    gap: var(--space-200);
    justify-items: start;
    min-width: 0;
}

.lead {
    font-size: var(--text-lead);
    line-height: var(--leading-xl);
    color: var(--color-ink-2);
    max-width: 52ch;
}

.launch-scan-status {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    font-variant-numeric: tabular-nums;
    color: var(--color-ink-2);
}

.launch-scan-drawer {
    width: 100%;
    max-width: 680px;
}

.launch-scan-drawer > summary {
    color: var(--color-ink-2);
    font-weight: 500;
}

.launch-scan-body {
    display: grid;
    gap: var(--space-200);
    max-height: min(26rem, 50dvh);
    overflow-y: auto;
    padding-bottom: var(--space-200);
    overscroll-behavior: contain;
}

.launch-resolution {
    max-width: 22rem;
}

.launch-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-ink);
}

.launch-scan-list {
    display: grid;
}

.launch-scan-list li {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) 5rem minmax(0, 1.4fr);
    gap: var(--space-100);
    align-items: baseline;
    padding-block: var(--space-75);
    border-bottom: 1px solid var(--color-rule);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
}

.launch-scan-label {
    color: var(--color-ink);
}

.launch-scan-mark {
    font-weight: 600;
    color: var(--color-ink-2);
}

.launch-scan-list li[data-state="ok"] .launch-scan-mark {
    color: var(--color-success);
}

.launch-scan-list li[data-state="miss"] .launch-scan-mark {
    color: var(--color-warning);
}

.launch-scan-list li[data-state="err"] .launch-scan-mark {
    color: var(--color-danger);
}

.launch-scan-list li[data-state="run"] .launch-scan-mark {
    color: var(--color-accent);
}

.launch-scan-detail {
    color: var(--color-muted);
}

/* Section rhythm */

.front-fields,
.front-steps,
.front-questions {
    padding-block: var(--section-pad);
}

.front-fields {
    margin-top: var(--space-400);
    padding-top: var(--space-900);
}

.front-head {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-300);
    margin-bottom: var(--space-600);
}

.front-head-text {
    display: grid;
    gap: var(--space-200);
}

.rail-controls {
    display: flex;
    gap: var(--space-75);
}

.rail-controls .btn-secondary {
    min-height: var(--control-h-front);
    padding-inline: var(--space-200);
}

html:not(.js) .rail-controls {
    display: none;
}

.front h2 {
    font-size: var(--text-section);
    line-height: 1;
    max-width: 22ch;
}

/* Fields rail: the next capture is cut by the edge */
.field-rail {
    --rail-pad: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter)));
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: clamp(17rem, 46%, 42rem);
    gap: var(--gap-columns);
    padding-inline: var(--rail-pad);
    padding-bottom: var(--space-200);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--rail-pad);
    overscroll-behavior-x: contain;
    scrollbar-color: var(--color-rule-strong) transparent;
}

.field-rail:focus-visible {
    outline-offset: var(--space-50);
}

.field-rail > li {
    scroll-snap-align: start;
    min-width: 0;
}

.field-shot {
    display: grid;
    gap: var(--space-100);
}

.field-frame {
    position: relative;
    aspect-ratio: 1440 / 892;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

.field-frame > img {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
    width: 100%;
    height: 100%;
    object-fit: cover;
    outline: 1px solid color-mix(in oklab, var(--color-ink) 8%, transparent);
    outline-offset: -1px;
}

.field-shot figcaption {
    display: grid;
    gap: var(--space-25);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-muted);
}

.field-shot figcaption strong {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    line-height: var(--leading-lg);
    font-weight: 500;
    color: var(--color-ink);
}

/* Statement: the owner's own line, lit word by word once */
.front-statement {
    padding-block: var(--space-900);
    border-block: 1px solid var(--color-rule);
}

.statement {
    max-width: 30ch;
    font-family: var(--font-display);
    font-size: var(--text-statement);
    line-height: 1.05;
    font-weight: 500;
    letter-spacing: -0.03em;
    color: var(--color-ink);
    text-wrap: balance;
}

.js .statement .word {
    opacity: 0.3;
    transition: opacity var(--dur-long) var(--ease-out);
    transition-delay: calc(var(--i, 0) * 60ms);
}

.js .statement.is-in .word {
    opacity: 1;
}

/* Steps: the real flow, beside a capture of the controls it names */
.steps-layout {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-600) var(--gap-columns);
    align-items: center;
}

.steps-text h2 {
    margin-bottom: var(--space-600);
}

.steps {
    display: grid;
    counter-reset: step;
}

.steps > li {
    display: grid;
    grid-template-columns: var(--space-700) minmax(0, 1fr);
    column-gap: var(--space-300);
    row-gap: var(--space-75);
    padding-block: var(--space-300);
    border-top: 1px solid var(--color-rule);
    counter-increment: step;
}

.steps > li:last-child {
    border-bottom: 1px solid var(--color-rule);
}

.steps > li::before {
    content: counter(step);
    grid-row: span 2;
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    line-height: 1;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--color-ink-2);
}

.steps h3 {
    font-size: var(--text-title);
    line-height: var(--leading-2xl);
}

.steps p {
    color: var(--color-ink-2);
    max-width: 52ch;
}

.steps-shot {
    display: grid;
    gap: var(--space-100);
    justify-items: center;
}

.steps-frame {
    position: relative;
    width: min(100%, 26rem);
    aspect-ratio: 784 / 984;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

.steps-frame > img {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
    width: 100%;
    height: 100%;
    object-fit: cover;
    outline: 1px solid color-mix(in oklab, var(--color-ink) 10%, transparent);
    outline-offset: -1px;
}

.steps-shot figcaption {
    width: min(100%, 26rem);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-muted);
}

/* Questions: plain answers as rows */
.front-questions {
    background: var(--color-paper-2);
}

.questions-layout {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--gap-columns);
    align-items: start;
}

.questions > div {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-300);
    align-items: baseline;
    padding-block: var(--space-300);
    border-top: 1px solid var(--color-rule);
}

.questions > div:last-child {
    border-bottom: 1px solid var(--color-rule);
}

.questions dt {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    line-height: var(--leading-xl);
    font-weight: 500;
    color: var(--color-ink);
}

.questions dd {
    color: var(--color-ink-2);
}

/* Closing band */
.front-band {
    padding-block: var(--space-900);
}

.band-layout {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-300) var(--space-600);
}

.front-band h2 {
    font-size: var(--text-4xl);
    line-height: var(--leading-4xl);
    max-width: none;
}

.band-actions {
    display: flex;
    align-items: center;
    gap: var(--space-300);
}

.band-actions .btn-secondary {
    min-height: var(--control-h-front);
    padding-inline: var(--space-200);
}

/* Footer, both screens: Ft2 one line under a hairline */
.front-footer,
.footer {
    border-top: 1px solid var(--color-rule);
}

.footer-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-100) var(--space-400);
    padding-block: var(--space-300);
}

.lab-credit {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-muted);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-100) var(--space-300);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-ink-2);
}

.footer-links a {
    text-decoration: none;
    border-radius: var(--radius-sm);
}

.footer-links a:hover {
    color: var(--color-ink);
    text-decoration: underline;
}

.abx-credit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-75);
}

/* ===== Workspace (app screen) ===== */

.app-shell {
    min-height: 100dvh;
}

.masthead {
    position: relative;
    z-index: var(--z-sticky-nav);
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-rule);
}

/* The workspace keeps the shell's 1280px measure; the front page runs to 1440 */
.masthead-inner,
.recovery-banner,
.main-content,
.footer {
    max-width: 1280px;
}

.masthead-inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-300);
    min-height: var(--bar-h);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.brand-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-100);
    min-width: 0;
}

.sigil-mark {
    width: 28px;
    height: 28px;
    align-self: center;
}

.title {
    font-size: var(--text-xl);
    line-height: var(--leading-xl);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.title-version {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    line-height: var(--leading-xs);
    font-weight: 500;
    letter-spacing: 0;
    color: var(--color-muted);
    font-variant-numeric: tabular-nums;
}

.subtitle {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-muted);
    white-space: nowrap;
}

.workspace-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-50);
    min-width: 0;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-75);
    min-height: var(--control-h);
    padding: var(--space-75) var(--space-100);
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-ink-2);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    font-weight: 500;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

.nav-link:hover {
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.nav-link.active,
.nav-link[aria-current] {
    color: var(--color-ink);
    background: var(--color-paper-3);
}

#installButton {
    color: var(--color-accent);
}

.nav-more {
    position: relative;
}

.nav-more > summary {
    list-style: none;
}

.nav-more > summary::-webkit-details-marker {
    display: none;
}

.nav-more-menu {
    position: absolute;
    right: 0;
    top: calc(100% + var(--space-50));
    z-index: var(--z-dropdown);
    display: grid;
    min-width: 11rem;
    padding: var(--space-50);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

.field-credit {
    max-width: none;
}

.recovery-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-200);
    margin: var(--space-300) auto 0;
    padding: var(--space-200) var(--gutter);
    background: var(--color-paper-2);
    font-size: var(--text-sm);
}

.main-content {
    margin-inline: auto;
    padding-inline: var(--gutter);
    padding-bottom: var(--space-900);
}

.panel {
    padding-block: var(--space-600);
    border-top: 1px solid var(--color-rule);
    outline-offset: -2px;
}

.experience-panel {
    border-top: 0;
    padding-top: var(--space-300);
}

.panel-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-75) var(--space-300);
    margin-bottom: var(--space-300);
}

.panel-header h2 {
    font-size: var(--text-2xl);
    line-height: var(--leading-2xl);
}

.field-status,
.field-dimensions {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-ink-2);
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

/* app.js sets data-live while the field computes or plays: the one running-state cue */
.field-status[data-live="true"] {
    color: var(--color-accent);
    animation: field-pulse 1.6s var(--ease-in-out) infinite;
}

.empty-state {
    padding: var(--space-400) var(--space-300);
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
    color: var(--color-ink-2);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
}

.subsection-title {
    font-size: var(--text-lg);
    line-height: var(--leading-lg);
}

/* Live Experience: field on the left, held in view; rail on the right */
.experience-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--rail-w);
    gap: var(--gap-columns);
    align-items: start;
}

.experience-stage {
    position: sticky;
    top: calc(var(--bar-h) + var(--space-200));
    display: grid;
    gap: var(--space-100);
    min-width: 0;
}

.experience-viewport-wrap {
    position: relative;
    min-width: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

#experienceCanvas,
#experienceCanvasGL {
    display: block;
    width: 100%;
    height: auto;
    background: var(--color-paper-2);
}

.experience-chrome {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-75);
}

.compare-group {
    display: flex;
    align-items: center;
    gap: var(--space-75);
    margin-left: auto;
}

.compare-group select {
    width: auto;
}

.compare-wipe-group {
    flex-basis: 100%;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-100);
}

.experience-controls {
    display: grid;
    gap: var(--space-300);
    min-width: 0;
}

.phase-transport {
    display: grid;
    gap: var(--space-75);
    padding: var(--space-200);
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

.phase-transport-head {
    display: flex;
    justify-content: space-between;
    gap: var(--space-100);
}

.phase-transport-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-200);
}

.phase-speed-group {
    grid-template-columns: auto 6rem;
    align-items: center;
    gap: var(--space-75);
}

.experience-launch-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-75);
}

.experience-launch-actions .btn-primary {
    font-size: var(--text-base);
}

.drawer-stack {
    border-bottom: 1px solid var(--color-rule);
}

.seed-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: var(--space-75);
}

.seed-row input.seed-locked {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.image-seed {
    gap: var(--space-200);
}

.image-seed-row {
    display: grid;
    grid-template-columns: 6rem minmax(0, 1fr);
    gap: var(--space-200);
    align-items: start;
}

.image-seed-preview-wrap {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
}

.image-seed-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-seed-preview-empty {
    display: grid;
    place-items: center;
    height: 100%;
    font-size: var(--text-xs);
    color: var(--color-muted);
}

.image-seed-fields {
    display: grid;
    gap: var(--space-200);
    min-width: 0;
}

.image-seed-recommend {
    display: grid;
    gap: var(--space-75);
    padding: var(--space-200);
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

.image-seed-recommend-title {
    font-weight: 600;
}

.image-seed-recommend-meta,
.image-seed-status {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-ink-2);
    overflow-wrap: anywhere;
}

.image-seed[data-state="busy"] .image-seed-status,
.image-seed[data-state="loading"] .image-seed-status {
    color: var(--color-accent);
}

.image-seed[data-state="error"] .image-seed-status {
    color: var(--color-danger);
}

.spatiotemporal-drawer > summary {
    font-weight: 500;
    color: var(--color-ink-2);
}

.sensor-pick {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-75);
}

.mod-meter-grid {
    display: grid;
    gap: var(--space-50);
}

.mod-meter-grid label {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr);
    align-items: center;
    gap: var(--space-100);
}

.provenance-panel {
    display: grid;
    gap: var(--space-50);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-ink-2);
    overflow-wrap: anywhere;
}

.provenance-panel strong {
    font-weight: 600;
    color: var(--color-ink);
}

.provenance-panel code {
    color: var(--color-ink);
}

/* Simulation beside its results */
.sim-results {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-700);
    border-top: 1px solid var(--color-rule);
}

.sim-results > .panel {
    border-top: 0;
    min-width: 0;
}

.workspace-form {
    display: grid;
    gap: var(--space-300);
}

.workspace-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-200);
}

.workspace-grid .span-2 {
    grid-column: 1 / -1;
}

.run-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-75);
}

.run-actions .btn-primary {
    font-size: var(--text-base);
}

.network-status {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-success);
}

.network-status[data-state="offline"] {
    color: var(--color-warning);
}

.viz-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-300);
    margin-bottom: var(--space-300);
}

.viz-frame {
    display: grid;
    gap: var(--space-75);
    align-content: start;
}

#fieldCanvas,
#fieldCanvasGPU {
    width: 100%;
    height: auto;
    image-rendering: pixelated;
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
}

.viz-summary {
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--color-ink-2);
}

.metrics-grid {
    display: grid;
    align-content: start;
}

.metric-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: var(--space-50) var(--space-200);
    padding-block: var(--space-100);
    border-top: 1px solid var(--color-rule);
}

.metric-card:last-child {
    border-bottom: 1px solid var(--color-rule);
}

.metric-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-75);
    font-size: var(--text-sm);
    color: var(--color-ink-2);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    line-height: var(--leading-lg);
    font-variant-numeric: tabular-nums;
    color: var(--color-ink);
}

.metric-bar {
    grid-column: 1 / -1;
    height: var(--space-50);
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: var(--color-paper-3);
}

.metric-bar-fill {
    width: 0;
    height: 100%;
    background: var(--color-signal-primary);
}

.results-panel .provenance-panel {
    margin-bottom: var(--space-300);
    padding: var(--space-200);
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
    color: var(--color-ink-2);
}

/* Presets: a dense grid, not half a panel */
.substance-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: var(--gap-columns);
}

.substance-card,
.preset-btn {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-50);
    min-height: 44px;
    padding: var(--space-100) var(--space-75);
    border: 0;
    border-bottom: 1px solid var(--color-rule);
    border-radius: 0;
    background: transparent;
    color: var(--color-ink);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.substance-card:hover,
.preset-btn:hover {
    background: var(--color-paper-2);
}

.substance-card.active,
.preset-btn.active {
    background: var(--color-paper-2);
    color: var(--color-accent);
}

.preset-name {
    font-size: var(--text-sm);
    font-weight: 600;
}

.preset-desc {
    font-size: var(--text-xs);
    line-height: var(--leading-xs);
    color: var(--color-muted);
}

/* History in three columns */
.history-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(5, auto);
    column-gap: var(--gap-columns);
    row-gap: var(--space-200);
}

.history-group {
    display: grid;
    grid-row: span 5;
    grid-template-rows: subgrid;
    align-content: start;
    min-width: 0;
}

.history-list {
    display: grid;
}

.history-item {
    display: grid;
    gap: var(--space-75);
    padding-block: var(--space-100);
    border-top: 1px solid var(--color-rule);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
}

.history-title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-50);
    color: var(--color-ink);
    overflow-wrap: anywhere;
}

.history-meta {
    color: var(--color-muted);
}

.history-item .btn-secondary {
    justify-self: start;
}

.file-import {
    position: relative;
}

.file-import:focus-within {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

/* Capabilities: the table scrolls inside itself on a phone */
.table-scroll {
    margin-top: var(--space-200);
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

.capability-table {
    width: 100%;
    min-width: 36rem;
    border-collapse: collapse;
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
}

.capability-table th {
    padding: var(--space-100) var(--space-200) var(--space-100) 0;
    border-bottom: 1px solid var(--color-rule-strong);
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
    color: var(--color-ink);
}

.capability-table td {
    padding: var(--space-100) var(--space-200) var(--space-100) 0;
    border-bottom: 1px solid var(--color-rule);
    color: var(--color-ink-2);
    vertical-align: top;
}

.capability-table td:first-child {
    color: var(--color-ink);
    font-weight: 500;
}

.capability-table td[data-ok="true"] {
    color: var(--color-success);
}

.capability-table td[data-ok="false"] {
    color: var(--color-warning);
}

.capability-table a {
    color: var(--color-accent);
}

/* Error, loading, tooltip */
.error-panel {
    margin-top: var(--space-300);
    padding: var(--space-300);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-lg);
    background: var(--color-danger-wash);
}

.error-header h2 {
    color: var(--color-danger);
}

#errorMessage {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    color: var(--color-ink);
}

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: grid;
    place-content: center;
    justify-items: center;
    gap: var(--space-200);
    padding: var(--space-300);
    background: var(--color-scrim);
    text-align: center;
}

.loading-overlay[hidden] {
    display: none !important;
}

.spinner {
    width: var(--space-500);
    height: var(--space-500);
    border: 2px solid var(--color-rule);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

#loadingStatus {
    color: var(--color-ink-2);
}

.pf-tip {
    position: fixed;
    z-index: var(--z-tooltip);
    display: none;
    max-width: min(18rem, calc(100% - var(--space-300)));
    padding: var(--space-75) var(--space-100);
    border: 1px solid var(--color-rule-strong);
    border-radius: var(--radius-sm);
    background: var(--color-paper-2);
    color: var(--color-ink);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    pointer-events: none;
    transition: opacity var(--dur-short) var(--ease-out);
}

.pf-tip[data-open="true"] {
    display: block;
    opacity: 1;
}

@starting-style {
    .pf-tip[data-open="true"] {
        opacity: 0;
    }
}

.footer {
    margin-inline: auto;
    padding: var(--space-300) var(--gutter);
}

.footer .footer-links {
    justify-content: flex-start;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shell-enter {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes launch-panel-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes field-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===== Responsive ===== */

@media (max-width: 80rem) {
    .masthead-inner {
        grid-template-columns: auto minmax(0, 1fr);
        row-gap: 0;
        padding-block: var(--space-75);
    }

    .workspace-nav {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: flex-start;
        margin-inline: calc(-1 * var(--space-100));
    }

    .nav-more {
        position: static;
    }

    .experience-stage {
        top: calc(var(--bar-h) + var(--space-700));
    }

    html {
        scroll-padding-top: calc(var(--bar-h) + var(--space-800));
    }
}

@media (max-width: 64rem) {
    .experience-body,
    .sim-results,
    .questions-layout,
    .front-hero-copy {
        grid-template-columns: minmax(0, 1fr);
    }

    .experience-stage {
        position: static;
    }

    .sim-results {
        gap: 0;
    }

    .sim-results > .panel + .panel {
        border-top: 1px solid var(--color-rule);
    }

    .history-grid {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: none;
        row-gap: var(--space-600);
    }

    .history-group {
        grid-row: auto;
        grid-template-rows: none;
        gap: var(--space-200);
    }

    .steps-layout {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .questions-layout h2 {
        margin-bottom: var(--space-300);
    }
}

@media (max-width: 48rem) {
    .steps {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-500);
    }

    .viz-layout,
    .questions > div {
        grid-template-columns: minmax(0, 1fr);
    }

    .questions > div {
        gap: var(--space-75);
    }

    .subtitle {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
    }

    .field-rail {
        grid-auto-columns: clamp(15rem, 82%, 30rem);
    }
}

@media (max-width: 40rem) {
    .control-row,
    .compact-checks,
    .workspace-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .launch-scan-list li {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .launch-scan-detail {
        grid-column: 1 / -1;
    }

    .experience-launch-actions,
    .seed-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .compare-group {
        margin-left: 0;
    }

    .image-seed-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .image-seed-preview-wrap {
        width: 6rem;
    }


    .band-actions {
        flex-wrap: wrap;
    }

    .rail-controls {
        display: none;
    }

    .steps > li {
        grid-template-columns: var(--space-500) minmax(0, 1fr);
        column-gap: var(--space-200);
    }

    .steps > li::before {
        font-size: var(--text-4xl);
    }

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

    .table-scroll {
        overflow-x: visible;
    }

    .capability-table {
        min-width: 0;
    }

    .capability-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
    }

    .capability-table tr {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: var(--space-200);
        padding-block: var(--space-100);
        border-bottom: 1px solid var(--color-rule);
    }

    .capability-table td {
        padding: 0;
        border: 0;
    }

    .capability-table td:last-child {
        grid-column: 1 / -1;
        padding-top: var(--space-50);
    }
}

@media (max-width: 22.5rem) {
    .wordmark > span {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }

}

@media (max-width: 30rem) {
    .launch-actions .btn-quiet {
        padding-inline: var(--space-75);
    }

    .launch-actions .btn-primary {
        padding-inline: var(--space-100);
    }

    .front-bar-inner {
        gap: var(--space-75);
    }
}

@media (pointer: coarse) {
    :root {
        --control-h: 44px;
    }
}

/* ===== Reduced motion ===== */

@media (prefers-reduced-motion: reduce) {
    *:not(.keep-motion),
    *:not(.keep-motion)::before,
    *:not(.keep-motion)::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .js .statement .word {
        opacity: 1;
        transition: none;
    }

    .spinner {
        animation-duration: 2.4s;
    }

    body.launch-ready #appShell,
    .front-hero-copy,
    .field-status[data-live="true"] {
        animation: none;
    }
}