/* ═══════════════════════════════════════════════════════════════
   CCA Foundations — Scenario 02 page styles
   ─────────────────────────────────────────────────────────────
   Extends cca.css. Scoped to this scenario only.
   Principal concern: the context-budget simulator (.ctx-*).
═══════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════════ */

.s2-hero {
    padding-top: 140px;
    padding-bottom: 120px;
    position: relative;
    overflow: hidden;
}

.s2-hero::after {
    /* A soft teal-leaning aura — Scenario 02 skews slightly toward
       the teal accent because the fork pattern is teal-coded in
       the panels below, while Scenario 01 skewed amber. */
    content: '';
    position: absolute;
    top: 18%;
    right: -8%;
    width: 640px;
    height: 640px;
    background:
        radial-gradient(circle at 40% 40%, rgba(45, 156, 202, 0.08), transparent 65%),
        radial-gradient(circle at 60% 60%, rgba(212, 162, 76, 0.08), transparent 70%);
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.s2-hero > * {
    position: relative;
    z-index: 1;
}

.s2-hero-eyebrow-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--cca-rule-soft);
}

.s2-hero-meta {
    font-family: var(--cca-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--cca-text-4);
}
.s2-hero-meta span { color: var(--cca-text-3); }

.s2-hero h1 {
    margin-bottom: 48px;
    max-width: 16ch;
}
.s2-hero h1 .s2-h1-sub {
    display: block;
    font-family: var(--cca-serif);
    font-size: clamp(24px, 3.2vw, 40px);
    font-weight: 300;
    line-height: 1.1;
    color: var(--cca-text-3);
    margin-top: 14px;
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 72, "SOFT" 40;
    text-wrap: balance;
}

.s2-hero .cca-lede {
    max-width: 48ch;
}

.s2-hero-tail {
    margin-top: 80px;
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--cca-text-4);
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.s2-hero-tail-rule {
    flex: 1;
    height: 1px;
    max-width: 80px;
    background: var(--cca-rule);
}
.s2-hero-tail-arrow {
    font-family: var(--cca-serif);
    font-size: 18px;
    letter-spacing: normal;
    color: var(--cca-amber);
    animation: s2-nudge 2.2s ease-in-out infinite;
}
@keyframes s2-nudge {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(4px); }
}

/* ═══════════════════════════════════════════════════════════════
   SECTION HEADINGS
═══════════════════════════════════════════════════════════════ */

.s2-sec-head {
    margin-bottom: 48px;
}
.s2-sec-head .cca-eyebrow {
    margin-bottom: 20px;
}
.s2-sec-head h2 {
    max-width: 20ch;
}

/* ═══════════════════════════════════════════════════════════════
   THE CONTEXT BUDGET SIMULATOR
═══════════════════════════════════════════════════════════════ */

.ctx-sim {
    border: 1px solid var(--cca-rule);
    background: linear-gradient(180deg, var(--cca-ink-2) 0%, var(--cca-ink) 100%);
    padding: 40px clamp(24px, 4vw, 48px) 48px;
    position: relative;
    overflow: hidden;
}

/* Subtle grid backdrop (matches Scenario 01's sim grid) */
.ctx-sim::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(42, 52, 72, 0.2) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(42, 52, 72, 0.2) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.5;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

.ctx-sim > * {
    position: relative;
    z-index: 1;
}

/* ── Toolbar (title + run button) ─────────────────────────── */
.ctx-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding-bottom: 28px;
    margin-bottom: 28px;
    border-bottom: 1px dashed var(--cca-rule);
}
.ctx-toolbar-info .cca-eyebrow {
    margin-bottom: 14px;
}
.ctx-toolbar-desc {
    font-family: var(--cca-serif);
    font-size: 20px;
    line-height: 1.3;
    color: var(--cca-text);
    font-weight: 300;
    margin: 0;
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 48, "SOFT" 40;
    max-width: 36ch;
}

.ctx-run {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    background: var(--cca-amber);
    color: var(--cca-ink);
    border: none;
    font-family: var(--cca-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    font-variant-numeric: tabular-nums;
}
.ctx-run:hover:not(:disabled) {
    background: var(--cca-amber-soft);
    transform: translateY(-1px);
}
.ctx-run:disabled {
    cursor: not-allowed;
    opacity: 0.72;
}
.ctx-run:focus-visible {
    outline: 2px solid var(--cca-amber);
    outline-offset: 3px;
}

.ctx-run-dot {
    width: 10px;
    height: 10px;
    background: var(--cca-ink);
    border-radius: 50%;
    transition: all 0.3s;
}
.ctx-run[data-state="running"] .ctx-run-dot {
    animation: ctx-run-pulse 0.6s ease-in-out infinite;
}
@keyframes ctx-run-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.4); opacity: 0.4; }
}

/* ── Workflow reference strip ─────────────────────────────── */
.ctx-workflow {
    margin-bottom: 32px;
    padding: 20px 22px;
    background: rgba(10, 15, 28, 0.6);
    border: 1px solid var(--cca-rule-soft);
}
.ctx-workflow-label {
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    color: var(--cca-text-4);
    text-transform: uppercase;
    margin: 0 0 14px;
    font-weight: 600;
}
.ctx-workflow-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 32px;
    font-family: var(--cca-mono);
    font-size: 12px;
    line-height: 1.7;
    color: var(--cca-text-3);
    font-variant-numeric: tabular-nums;
}
@media (max-width: 760px) {
    .ctx-workflow-steps { grid-template-columns: 1fr; }
}
.ctx-workflow-steps li {
    padding-left: 0;
}
.ctx-workflow-steps li > span {
    color: var(--cca-text-4);
    display: inline-block;
    width: 2.2em;
}
.ctx-workflow-steps li em {
    color: var(--cca-text-2);
    font-style: italic;
}
.ctx-workflow-steps li code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--cca-amber-soft);
    font-size: 1em;
}
.ctx-workflow-steps li[data-kind="skill"] > span {
    color: var(--cca-teal);
}
.ctx-workflow-steps li[data-kind="skill"] {
    color: var(--cca-text-2);
}

/* ── Panels ───────────────────────────────────────────────── */
.ctx-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
@media (max-width: 960px) {
    .ctx-panels {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.ctx-panel {
    background: var(--cca-ink);
    border: 1px solid var(--cca-rule);
    padding: 28px 28px 32px;
    position: relative;
    transition: border-color 0.3s;
    display: flex;
    flex-direction: column;
}
.ctx-panel[data-state="running"],
.ctx-panel[data-state="complete"] {
    border-color: var(--cca-err);
}
.ctx-panel--b[data-state="running"],
.ctx-panel--b[data-state="complete"] {
    border-color: var(--cca-teal-deep);
}
.ctx-panel--b[data-state="complete"][data-clean="true"] {
    border-color: var(--cca-ok);
}

.ctx-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--cca-rule-soft);
}

.ctx-panel-eyebrow {
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.24em;
    color: var(--cca-text-4);
    text-transform: uppercase;
    margin: 0 0 8px;
    font-weight: 600;
}
.ctx-panel--b .ctx-panel-eyebrow {
    color: var(--cca-teal);
}
.ctx-panel[data-state="complete"] .ctx-panel-eyebrow {
    color: var(--cca-err);
}
.ctx-panel--b[data-state="complete"] .ctx-panel-eyebrow {
    color: var(--cca-ok);
}

.ctx-panel-name {
    font-family: var(--cca-serif);
    font-size: 22px;
    font-weight: 400;
    color: var(--cca-text);
    margin: 0;
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 36;
}
.ctx-panel--b .ctx-panel-name {
    /* Mode B name uses mono styling to echo the frontmatter syntax */
    font-family: var(--cca-mono);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--cca-teal-soft);
}

.ctx-panel-spec {
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--cca-text-3);
    text-transform: uppercase;
    margin: 0;
    text-align: right;
    line-height: 1.5;
    max-width: 22ch;
    padding-top: 4px;
}

/* ── Context meter bars ───────────────────────────────────── */
.ctx-meter {
    margin-bottom: 20px;
}
.ctx-meter-label {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 8px;
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cca-text-3);
    font-variant-numeric: tabular-nums;
}
.ctx-meter-num {
    color: var(--cca-text);
    letter-spacing: 0.04em;
}
.ctx-meter-track {
    height: 8px;
    background: var(--cca-ink-3);
    border: 1px solid var(--cca-rule-soft);
    position: relative;
    overflow: hidden;
}
.ctx-meter-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--cca-amber);
    transition: width 0.42s var(--cca-ease), background 0.3s;
}
/* Direct-panel fill shifts color as it crosses thresholds */
.ctx-panel[data-pressure="ok"]      .ctx-meter-fill { background: var(--cca-ok); }
.ctx-panel[data-pressure="warn"]    .ctx-meter-fill { background: var(--cca-amber); }
.ctx-panel[data-pressure="bad"]     .ctx-meter-fill { background: var(--cca-err); }

/* Fork-panel fill stays teal — it barely moves so the colour is
   cosmetic, not semantic */
.ctx-meter-fill--b {
    background: var(--cca-teal);
}
.ctx-panel--b .ctx-meter-fill--b { background: var(--cca-teal); }

.ctx-meter-threshold {
    position: absolute;
    top: -3px;
    bottom: -3px;
    width: 1px;
    background: var(--cca-amber-deep);
    box-shadow: 0 0 0 1px rgba(138, 99, 32, 0.2);
}
.ctx-meter-threshold::after {
    content: '60%';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--cca-mono);
    font-size: 9px;
    color: var(--cca-amber-deep);
    letter-spacing: 0.1em;
    white-space: nowrap;
}

/* Subagent meter — dashed outline when idle, solid when active */
.ctx-meter--sub {
    padding: 14px 14px 12px;
    border: 1px dashed var(--cca-rule);
    background: rgba(10, 15, 28, 0.4);
    transition: border-color 0.3s, background 0.3s;
    margin-top: -6px;
    margin-bottom: 20px;
}
.ctx-meter--sub[data-sub-state="running"] {
    border-color: var(--cca-teal);
    border-style: solid;
    background: rgba(45, 156, 202, 0.05);
}
.ctx-meter--sub .ctx-meter-fill--sub {
    background: var(--cca-teal-soft);
    transition: width 0.22s var(--cca-ease);
}
.ctx-meter-hint {
    font-family: var(--cca-mono);
    font-size: 10px;
    color: var(--cca-text-4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 8px 0 0;
    font-style: italic;
}
.ctx-meter--sub[data-sub-state="running"] .ctx-meter-hint { color: var(--cca-teal-soft); }
.ctx-meter--sub[data-sub-state="returning"] .ctx-meter-hint { color: var(--cca-ok); }

/* ── Score readout ────────────────────────────────────────── */
.ctx-score {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin: 8px 0 24px;
    font-variant-numeric: tabular-nums;
}
.ctx-score-num {
    font-family: var(--cca-serif);
    font-size: 64px;
    line-height: 1;
    font-weight: 300;
    color: var(--cca-text);
    letter-spacing: -0.05em;
    font-variation-settings: "opsz" 72, "SOFT" 30;
    transition: color 0.3s;
    min-width: 1.5ch;
}
.ctx-panel[data-state="complete"] .ctx-score-num {
    color: var(--cca-err);
}
.ctx-panel--b[data-state="complete"] .ctx-score-num {
    color: var(--cca-ok);
}
.ctx-score-denom {
    font-family: var(--cca-serif);
    font-size: 24px;
    line-height: 1;
    color: var(--cca-text-4);
    font-weight: 300;
}
.ctx-score-label {
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cca-text-3);
    margin-left: 8px;
}

/* ── Timeline (row of 12 step cells) ──────────────────────── */
.ctx-timeline {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 4px;
    margin-top: auto;       /* pins the timeline to the bottom so both panels line up */
    padding-top: 8px;
}

.ctx-cell {
    aspect-ratio: 1 / 1.35;
    background: var(--cca-ink-3);
    border: 1px solid var(--cca-rule-soft);
    position: relative;
    transition: background 0.22s var(--cca-ease), border-color 0.22s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-family: var(--cca-mono);
    font-variant-numeric: tabular-nums;
}
.ctx-cell-kind {
    font-size: 10px;
    line-height: 1;
    color: var(--cca-text-4);
    letter-spacing: 0.02em;
    font-weight: 600;
    transition: color 0.22s;
}
.ctx-cell-num {
    font-size: 9px;
    line-height: 1;
    color: var(--cca-text-4);
    margin-top: 4px;
    opacity: 0.7;
    transition: color 0.22s;
}

.ctx-cell[data-kind="skill"] {
    /* Skill cells are visually accented even at rest, so the reader
       anticipates them causing the bar to spike. */
    border-style: dashed;
    border-color: var(--cca-rule);
}
.ctx-cell[data-kind="skill"] .ctx-cell-kind {
    color: var(--cca-text-3);
}

.ctx-cell[data-filled="true"] {
    animation: ctx-cell-pop 0.28s var(--cca-ease-out);
}
@keyframes ctx-cell-pop {
    0%   { transform: scale(0.55); opacity: 0; }
    60%  { transform: scale(1.08); }
    100% { transform: scale(1); opacity: 1; }
}

.ctx-cell[data-result="ok"] {
    background: var(--cca-ok);
    border-color: var(--cca-ok);
    box-shadow: 0 0 0 1px rgba(124, 201, 163, 0.3);
}
.ctx-cell[data-result="ok"] .ctx-cell-kind,
.ctx-cell[data-result="ok"] .ctx-cell-num { color: var(--cca-ink); }

.ctx-cell[data-result="warn"] {
    background: var(--cca-amber);
    border-color: var(--cca-amber);
    box-shadow: 0 0 0 1px rgba(212, 162, 76, 0.35);
}
.ctx-cell[data-result="warn"] .ctx-cell-kind,
.ctx-cell[data-result="warn"] .ctx-cell-num { color: var(--cca-ink); }

.ctx-cell[data-result="err"] {
    background: var(--cca-err);
    border-color: var(--cca-err);
    box-shadow: 0 0 10px rgba(224, 103, 103, 0.5);
    animation: ctx-cell-flash 0.5s var(--cca-ease-out);
}
.ctx-cell[data-result="err"] .ctx-cell-kind,
.ctx-cell[data-result="err"] .ctx-cell-num { color: var(--cca-ink); }
@keyframes ctx-cell-flash {
    0%   { transform: scale(0.3); opacity: 0; }
    40%  { transform: scale(1.25); background: #fff; }
    100% { transform: scale(1); opacity: 1; }
}

.ctx-cell[data-active="true"] {
    /* Currently-executing step — amber pulse while bar fills */
    border-color: var(--cca-amber);
    box-shadow: 0 0 0 1px var(--cca-amber);
}

/* ── Legend ──────────────────────────────────────────────── */
.ctx-legend {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px dashed var(--cca-rule);
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    align-items: center;
    font-family: var(--cca-mono);
    font-size: 11px;
    color: var(--cca-text-3);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.ctx-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.ctx-legend-sq {
    width: 10px;
    height: 10px;
    display: inline-block;
    background: var(--cca-text-4);
}
.ctx-legend-sq--ok   { background: var(--cca-ok); }
.ctx-legend-sq--warn { background: var(--cca-amber); }
.ctx-legend-sq--err  { background: var(--cca-err); }
.ctx-legend-sq--meta { background: var(--cca-ink-4); border: 1px solid var(--cca-rule); }

.ctx-runs-count {
    margin-left: auto;
    font-variant-numeric: tabular-nums;
}
@media (max-width: 520px) {
    .ctx-runs-count { margin-left: 0; }
}

/* ═══════════════════════════════════════════════════════════════
   SIMULATOR SURROUND
═══════════════════════════════════════════════════════════════ */

.s2-sim-intro { margin-bottom: 48px; }
.s2-sim-outro { margin-top: 48px; }
.s2-sim-outro p + p { margin-top: 16px; }

/* ═══════════════════════════════════════════════════════════════
   §05 — PATTERN EXAMPLES
═══════════════════════════════════════════════════════════════ */

.s2-examples {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}
@media (max-width: 880px) {
    .s2-examples { grid-template-columns: 1fr; gap: 16px; }
}

.s2-ex {
    background: var(--cca-ink-2);
    border: 1px solid var(--cca-rule);
    padding: 28px;
    border-top: 2px solid var(--cca-teal);
}
.s2-ex-label {
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cca-teal);
    margin: 0 0 6px;
    font-weight: 600;
}
.s2-ex-hook {
    font-family: var(--cca-mono);
    font-size: 11px;
    color: var(--cca-text-3);
    margin-bottom: 16px;
}
.s2-ex-hook code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--cca-teal-soft);
}
.s2-ex h4 {
    font-family: var(--cca-serif);
    font-size: 20px;
    font-weight: 400;
    line-height: 1.25;
    margin: 0 0 12px;
    color: var(--cca-text);
}
.s2-ex p {
    font-size: 14.5px;
    line-height: 1.55;
    margin: 0;
    color: var(--cca-text-2);
}

/* ═══════════════════════════════════════════════════════════════
   §06 — CLAUDE.MD vs SKILLS RULE MATRIX
═══════════════════════════════════════════════════════════════ */

.s2-rule-matrix {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 40px 0 8px;
}
@media (max-width: 880px) {
    .s2-rule-matrix { grid-template-columns: 1fr; gap: 12px; }
}

.s2-rule {
    background: var(--cca-ink-2);
    border: 1px solid var(--cca-rule);
    padding: 24px 24px 28px;
    position: relative;
}
.s2-rule::before {
    /* A small corner marker for visual rhythm */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 36px;
    height: 2px;
    background: var(--cca-amber);
}
.s2-rule:nth-child(2)::before { background: var(--cca-teal); }
.s2-rule:nth-child(3)::before { background: var(--cca-text-3); }

.s2-rule-label {
    font-family: var(--cca-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cca-amber);
    margin: 0 0 4px;
    font-weight: 600;
}
.s2-rule:nth-child(2) .s2-rule-label { color: var(--cca-teal); }
.s2-rule:nth-child(3) .s2-rule-label { color: var(--cca-text-2); }
.s2-rule-label code {
    background: transparent;
    border: none;
    padding: 0;
    font-size: 1em;
    color: inherit;
    text-transform: none;
    letter-spacing: 0;
}

.s2-rule h4 {
    font-family: var(--cca-serif);
    font-size: 22px;
    line-height: 1.2;
    font-weight: 400;
    margin: 0 0 14px;
    color: var(--cca-text);
}

.s2-rule-desc {
    font-size: 14.5px !important;
    line-height: 1.6;
    color: var(--cca-text-2);
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════════
   CLOSING CARD
═══════════════════════════════════════════════════════════════ */

.s2-close {
    text-align: center;
    padding: 120px 0 160px;
    position: relative;
}
.s2-close-eyebrow {
    font-family: var(--cca-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--cca-text-3);
    margin: 0 0 48px;
}
.s2-close-line {
    font-family: var(--cca-serif);
    font-size: clamp(32px, 5vw, 60px);
    line-height: 1.15;
    font-weight: 300;
    color: var(--cca-text);
    max-width: 22ch;
    margin: 0 auto;
    letter-spacing: -0.02em;
    font-variation-settings: "opsz" 96, "SOFT" 30;
    text-wrap: balance;
}
.s2-close-line em {
    font-style: italic;
    color: var(--cca-amber);
    font-weight: 400;
    font-variation-settings: "opsz" 96, "SOFT" 100, "WONK" 1;
}
.s2-close-line strong {
    font-weight: 400;
}

.s2-close-nav {
    margin-top: 72px;
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    font-family: var(--cca-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.s2-close-nav a {
    color: var(--cca-text-3);
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.s2-close-nav a:hover { color: var(--cca-amber); }

/* ═══════════════════════════════════════════════════════════════
   KEYBOARD HINT ROW (for simulator)
═══════════════════════════════════════════════════════════════ */

.s2-kbd-hint {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--cca-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--cca-text-4);
    margin-left: 14px;
    text-transform: uppercase;
}
.s2-kbd-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--cca-ink-3);
    border: 1px solid var(--cca-rule);
    font-family: inherit;
    font-size: 10px;
    color: var(--cca-text-2);
    border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   FINE RESPONSIVE ADJUSTMENTS
═══════════════════════════════════════════════════════════════ */

@media (max-width: 640px) {
    .s2-hero { padding-top: 80px; padding-bottom: 80px; }
    .ctx-sim { padding: 28px 18px 32px; }
    .ctx-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .ctx-run { justify-content: center; }
    .ctx-panel-head {
        flex-direction: column;
        gap: 12px;
    }
    .ctx-panel-spec {
        text-align: left;
        max-width: none;
    }
    .ctx-score-num { font-size: 48px; }
    .ctx-cell-num { display: none; }   /* drop the step number at narrow viewports — cell still legible */
}