:root {
    --bg: #f4f8fa;
    --bg-deep: #eaf2f5;
    --surface: #ffffff;
    --surface-raised: #f8fbfc;
    --surface-soft: #edf5f6;
    --heading: #091a2a;
    --text: #213344;
    --muted: #596d7d;
    --faint: #718392;
    --line: rgba(18, 51, 68, 0.12);
    --line-strong: rgba(18, 51, 68, 0.2);
    --primary: #087f77;
    --primary-strong: #056c66;
    --primary-soft: rgba(8, 127, 119, 0.09);
    --primary-glow: rgba(53, 210, 193, 0.14);
    --blue: #287eaa;
    --green: #168247;
    --green-soft: #e1f4e8;
    --amber: #9b6411;
    --amber-soft: #fff4d9;
    --red: #b13a43;
    --red-soft: #fdebed;
    --nav-bg: rgba(244, 248, 250, 0.9);
    --shadow-sm: 0 12px 30px rgba(32, 67, 83, 0.08);
    --shadow: 0 24px 70px rgba(32, 67, 83, 0.14);
    --radius-sm: 0.65rem;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --header-height: 4.8rem;
    --transition: 180ms ease;
}

html[data-theme="dark"] {
    --bg: #07111f;
    --bg-deep: #040b14;
    --surface: #0b1829;
    --surface-raised: #0e2034;
    --surface-soft: #10263c;
    --heading: #ffffff;
    --text: #edf4f9;
    --muted: #a5b6c5;
    --faint: #8092a3;
    --line: rgba(188, 218, 234, 0.14);
    --line-strong: rgba(188, 218, 234, 0.24);
    --primary: #42dbc8;
    --primary-strong: #13ad9d;
    --primary-soft: rgba(66, 219, 200, 0.12);
    --primary-glow: rgba(66, 219, 200, 0.12);
    --blue: #67c7ed;
    --green: #62d897;
    --green-soft: rgba(57, 191, 112, 0.13);
    --amber: #f1bf61;
    --amber-soft: rgba(220, 157, 42, 0.13);
    --red: #ff8b94;
    --red-soft: rgba(227, 75, 87, 0.13);
    --nav-bg: rgba(7, 17, 31, 0.9);
    --shadow-sm: 0 12px 30px rgba(0, 0, 0, 0.16);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

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

[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.2rem);
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    z-index: -2;
    inset: 0;
    background-image:
        linear-gradient(rgba(70, 145, 170, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(70, 145, 170, 0.035) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    pointer-events: none;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

svg {
    display: block;
    max-width: 100%;
}

h1,
h2,
h3,
h4,
p,
blockquote {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--heading);
    line-height: 1.12;
    letter-spacing: -0.03em;
}

h1 {
    margin-bottom: 1.35rem;
    font-size: clamp(3rem, 6.2vw, 5.8rem);
}

h2 {
    margin-bottom: 0;
    font-size: clamp(1.7rem, 3vw, 2.8rem);
}

h3 {
    margin-bottom: 0;
    font-size: 1.18rem;
}

::selection {
    background: var(--primary);
    color: #ffffff;
}

:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.shell {
    width: min(1480px, calc(100% - 3rem));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 400;
    top: 0.7rem;
    left: 0.7rem;
    padding: 0.68rem 0.95rem;
    transform: translateY(-160%);
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #ffffff;
    font-weight: 800;
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}

.section-kicker,
.eyebrow {
    margin-bottom: 0.65rem;
    color: var(--primary);
    font-size: 0.69rem;
    font-weight: 850;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.eyebrow > span {
    width: 2rem;
    height: 1px;
    background: var(--primary);
}

/* Header */
.lab-header {
    position: sticky;
    z-index: 100;
    top: 0;
    height: var(--header-height);
    border-bottom: 1px solid var(--line);
    background: var(--nav-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.lab-header__inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.72rem;
}

.brand__mark {
    display: grid;
    width: 2.55rem;
    height: 2.55rem;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid rgba(8, 127, 119, 0.28);
    border-radius: 0.7rem;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.05em;
}

.brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand__text strong {
    color: var(--heading);
    font-size: 0.88rem;
}

.brand__text small {
    margin-top: 0.22rem;
    color: var(--muted);
    font-size: 0.65rem;
}

.lab-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.save-state {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 700;
}

.save-state > span {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 4px var(--green-soft);
}

.back-link {
    display: inline-flex;
    min-height: 2.55rem;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    color: var(--text);
    font-size: 0.72rem;
    font-weight: 750;
    transition: border-color var(--transition), background var(--transition);
}

.back-link:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.back-link svg {
    width: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.theme-toggle {
    display: grid;
    width: 2.55rem;
    height: 2.55rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary);
}

.theme-icon {
    width: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.theme-icon--sun,
html[data-theme="dark"] .theme-icon--moon {
    display: none;
}

html[data-theme="dark"] .theme-icon--sun {
    display: block;
}

/* Intro and mode selection */
.lab-intro {
    position: relative;
    overflow: hidden;
    padding: clamp(5rem, 8vw, 8rem) 0 clamp(5rem, 8vw, 7.5rem);
}

.lab-intro::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background:
        radial-gradient(circle at 72% 10%, var(--primary-glow), transparent 28rem),
        linear-gradient(180deg, transparent 70%, color-mix(in srgb, var(--surface) 55%, transparent));
    content: "";
}

.lab-intro__glow {
    position: absolute;
    z-index: -1;
    top: 5rem;
    right: -8rem;
    width: 24rem;
    height: 24rem;
    border: 1px solid rgba(8, 127, 119, 0.16);
    border-radius: 50%;
}

.intro-copy {
    max-width: 69rem;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.intro-copy h1 em {
    display: block;
    background: linear-gradient(105deg, var(--primary), var(--blue));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    font-style: normal;
}

.intro-copy > p:last-child {
    max-width: 48rem;
    margin-bottom: 0;
    color: var(--muted);
    font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.setup-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.65fr);
    align-items: stretch;
    gap: 1rem;
}

.mode-selector,
.workflow-preview {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.mode-selector {
    padding: clamp(1.5rem, 3vw, 2.4rem);
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 1.8rem;
}

.panel-heading h2 {
    font-size: clamp(1.65rem, 2.5vw, 2.35rem);
}

.scenario-count,
.queue-badge {
    flex: 0 0 auto;
    padding: 0.38rem 0.62rem;
    border: 1px solid var(--line);
    border-radius: 99px;
    background: var(--surface-raised);
    color: var(--muted);
    font-size: 0.66rem;
    font-weight: 750;
}

.mode-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.mode-card {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 10.5rem;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.2rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-raised);
    cursor: pointer;
    text-align: left;
    transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.mode-card:hover {
    transform: translateY(-3px);
    border-color: rgba(8, 127, 119, 0.35);
}

.mode-card.is-selected {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: 0 0 0 2px var(--primary-soft);
}

.mode-card__icon {
    display: grid;
    width: 2.45rem;
    height: 2.45rem;
    margin-bottom: 1rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: var(--surface);
    color: var(--primary);
}

.mode-card__icon svg {
    width: 1.2rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.mode-card strong,
.mode-card small {
    display: block;
}

.mode-card strong {
    color: var(--heading);
    font-size: 0.92rem;
}

.mode-card small {
    margin-top: 0.3rem;
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1.45;
}

.mode-card__level {
    margin-top: auto;
    padding-top: 0.8rem;
    color: var(--primary);
    font-size: 0.61rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.primary-button,
.quiet-button,
.secondary-button {
    display: inline-flex;
    min-height: 2.9rem;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.72rem 1.05rem;
    border: 1px solid transparent;
    border-radius: 0.7rem;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 800;
    transition: transform var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition);
}

.primary-button {
    background: var(--primary);
    color: #ffffff;
}

.primary-button:hover:not(:disabled),
.quiet-button:hover:not(:disabled),
.secondary-button:hover:not(:disabled) {
    transform: translateY(-2px);
}

.primary-button:disabled,
.quiet-button:disabled,
.secondary-button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
}

.primary-button svg,
.secondary-button svg {
    width: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.quiet-button,
.secondary-button {
    border-color: var(--line-strong);
    background: var(--surface);
    color: var(--text);
}

.quiet-button:hover:not(:disabled),
.secondary-button:hover:not(:disabled) {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.start-button {
    margin-top: 1rem;
}

.workflow-preview {
    padding: clamp(1.5rem, 3vw, 2.4rem);
    background:
        radial-gradient(circle at 100% 0, var(--primary-glow), transparent 16rem),
        var(--surface);
}

.workflow-preview h2 {
    font-size: clamp(1.55rem, 2.3vw, 2.1rem);
}

.workflow-steps {
    position: relative;
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
    padding: 0;
    list-style: none;
}

.workflow-steps::before {
    position: absolute;
    top: 1rem;
    bottom: 1rem;
    left: 1.15rem;
    width: 1px;
    background: var(--line-strong);
    content: "";
}

.workflow-steps li {
    position: relative;
    display: grid;
    grid-template-columns: 2.3rem 1fr;
    align-items: center;
    gap: 0.85rem;
}

.workflow-steps li > span {
    z-index: 1;
    display: grid;
    width: 2.3rem;
    height: 2.3rem;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 0.65rem;
    background: var(--surface);
    color: var(--primary);
    font-size: 0.68rem;
    font-weight: 850;
}

.workflow-steps strong,
.workflow-steps small {
    display: block;
}

.workflow-steps strong {
    color: var(--heading);
    font-size: 0.84rem;
}

.workflow-steps small {
    margin-top: 0.15rem;
    color: var(--muted);
    font-size: 0.7rem;
}

.workflow-preview__note {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 0.7rem;
    padding: 0.85rem;
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    background: var(--surface-raised);
}

.workflow-preview__note svg {
    width: 1.05rem;
    margin-top: 0.12rem;
    fill: none;
    stroke: var(--primary);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.workflow-preview__note p {
    margin: 0;
    color: var(--muted);
    font-size: 0.7rem;
}

/* Simulator shell */
.simulator-section {
    padding: 3rem 0 6rem;
    border-block: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-raised) 76%, transparent);
}

.simulator-shell {
    width: min(1560px, calc(100% - 2rem));
}

.session-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 1.2rem;
}

.session-bar h2 {
    font-size: 1.8rem;
}

.session-bar__stats {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.session-bar__stats > div {
    min-width: 6.7rem;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface);
}

.session-bar__stats small,
.session-bar__stats strong {
    display: block;
}

.session-bar__stats small {
    color: var(--muted);
    font-size: 0.58rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.session-bar__stats strong {
    margin-top: 0.08rem;
    color: var(--heading);
    font-size: 0.83rem;
}

.simulator-grid {
    display: grid;
    grid-template-columns: minmax(14rem, 0.73fr) minmax(38rem, 2.35fr) minmax(14rem, 0.72fr);
    align-items: start;
    gap: 0.8rem;
}

.queue-panel,
.ticket-workspace,
.coach-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.queue-panel,
.coach-panel {
    position: sticky;
    top: calc(var(--header-height) + 1rem);
}

.queue-panel {
    overflow: hidden;
}

.queue-panel__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 1.15rem;
    border-bottom: 1px solid var(--line);
}

.queue-panel__header .section-kicker {
    margin-bottom: 0.24rem;
}

.queue-panel__header h3 {
    font-size: 0.95rem;
}

.ticket-list {
    display: grid;
    max-height: 31rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--line-strong) transparent;
}

.queue-ticket {
    position: relative;
    display: grid;
    width: 100%;
    grid-template-columns: auto 1fr auto;
    align-items: start;
    gap: 0.65rem;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--line);
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition);
}

.queue-ticket:hover {
    background: var(--surface-raised);
}

.queue-ticket.is-active {
    background: var(--primary-soft);
}

.queue-ticket.is-active::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 3px;
    background: var(--primary);
    content: "";
}

.queue-ticket.is-complete {
    opacity: 0.72;
}

.queue-ticket__priority {
    display: grid;
    width: 1.7rem;
    height: 1.7rem;
    place-items: center;
    border-radius: 0.5rem;
    font-size: 0.61rem;
    font-weight: 900;
}

.queue-ticket__priority--p1 {
    background: var(--red-soft);
    color: var(--red);
}

.queue-ticket__priority--p2 {
    background: var(--amber-soft);
    color: var(--amber);
}

.queue-ticket__priority--p3,
.queue-ticket__priority--p4 {
    background: var(--surface-soft);
    color: var(--muted);
}

.queue-ticket__copy {
    min-width: 0;
}

.queue-ticket__copy small,
.queue-ticket__copy strong,
.queue-ticket__copy span {
    display: block;
}

.queue-ticket__copy small {
    color: var(--faint);
    font-size: 0.57rem;
    font-weight: 750;
    letter-spacing: 0.05em;
}

.queue-ticket__copy strong {
    overflow: hidden;
    margin: 0.13rem 0;
    color: var(--heading);
    font-size: 0.76rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.queue-ticket__copy span {
    color: var(--muted);
    font-size: 0.62rem;
}

.queue-ticket__result {
    color: var(--green);
    font-size: 0.68rem;
    font-weight: 850;
}

.queue-legend {
    padding: 0.95rem 1.1rem;
    border-top: 1px solid var(--line);
    background: var(--surface-raised);
}

.queue-legend p {
    display: grid;
    grid-template-columns: auto 1.35rem 1fr;
    align-items: center;
    gap: 0.38rem;
    margin: 0.32rem 0;
    color: var(--muted);
    font-size: 0.58rem;
}

.queue-legend strong {
    color: var(--heading);
}

.priority-dot {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
}

.priority-dot--p1 {
    background: var(--red);
}

.priority-dot--p2 {
    background: var(--amber);
}

.priority-dot--p3 {
    background: var(--blue);
}

.priority-dot--p4 {
    background: var(--faint);
}

.text-button {
    width: 100%;
    padding: 0.8rem 1rem;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.63rem;
    font-weight: 750;
    text-align: left;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.text-button:hover {
    color: var(--red);
}

/* Ticket workspace */
.ticket-workspace {
    min-width: 0;
    overflow: hidden;
}

.ticket-header {
    padding: 1.3rem 1.5rem 1.2rem;
    border-bottom: 1px solid var(--line);
}

.ticket-header__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
}

.ticket-id,
.channel-pill,
.ticket-status {
    padding: 0.3rem 0.52rem;
    border: 1px solid var(--line);
    border-radius: 99px;
    background: var(--surface-raised);
    color: var(--muted);
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.ticket-id {
    border-color: rgba(8, 127, 119, 0.25);
    background: var(--primary-soft);
    color: var(--primary);
}

.ticket-status {
    margin-left: auto;
}

.ticket-status.is-complete {
    border-color: rgba(22, 130, 71, 0.2);
    background: var(--green-soft);
    color: var(--green);
}

.ticket-header__title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 0.9rem;
}

.ticket-header__title p {
    margin-bottom: 0.3rem;
    color: var(--primary);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ticket-header__title h3 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.sla-card {
    min-width: 7.5rem;
    padding: 0.62rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface-raised);
}

.sla-card small,
.sla-card strong {
    display: block;
}

.sla-card small {
    color: var(--muted);
    font-size: 0.57rem;
    font-weight: 750;
    text-transform: uppercase;
}

.sla-card strong {
    margin-top: 0.1rem;
    color: var(--heading);
    font-size: 0.78rem;
}

.caller-message {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.8rem;
    margin: 1rem 1.5rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 0.85rem;
    background: var(--surface-raised);
}

.caller-avatar {
    display: grid;
    width: 2.45rem;
    height: 2.45rem;
    place-items: center;
    border-radius: 50%;
    background: var(--surface-soft);
    color: var(--primary);
    font-size: 0.65rem;
    font-weight: 900;
}

.caller-message p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.caller-message strong {
    color: var(--heading);
    font-size: 0.75rem;
}

.caller-message p span {
    color: var(--faint);
    font-size: 0.59rem;
}

.caller-message blockquote {
    margin-bottom: 0;
    color: var(--text);
    font-size: 0.83rem;
}

.stage-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 1.2rem;
    border-block: 1px solid var(--line);
    background: var(--surface-raised);
}

.stage-tab {
    position: relative;
    display: flex;
    min-height: 3.4rem;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-right: 1px solid var(--line);
    background: transparent;
    color: var(--faint);
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 800;
}

.stage-tab:last-child {
    border-right: 0;
}

.stage-tab span {
    display: grid;
    width: 1.35rem;
    height: 1.35rem;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    font-size: 0.55rem;
}

.stage-tab.is-active {
    background: var(--surface);
    color: var(--primary);
}

.stage-tab.is-active::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    background: var(--primary);
    content: "";
}

.stage-tab.is-complete {
    color: var(--green);
}

.stage-tab:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.stage-content {
    min-height: 31rem;
    padding: 1.5rem;
}

.stage-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 1.35rem;
}

.stage-heading > div > p {
    max-width: 43rem;
    margin: 0.45rem 0 0;
    color: var(--muted);
    font-size: 0.76rem;
}

.stage-heading h4 {
    margin-bottom: 0;
    font-size: 1.18rem;
}

.stage-progress {
    flex: 0 0 auto;
    color: var(--muted);
    font-size: 0.65rem;
    font-weight: 750;
}

.decision-group {
    min-width: 0;
    margin: 0 0 1.5rem;
    padding: 0;
    border: 0;
}

.decision-group legend,
.group-label {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.72rem;
    color: var(--heading);
    font-size: 0.72rem;
    font-weight: 850;
}

.decision-group legend span,
.group-label span {
    color: var(--muted);
    font-size: 0.59rem;
    font-weight: 650;
}

.priority-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.55rem;
}

.priority-option,
.action-option,
.choice-card,
.communication-card {
    position: relative;
    cursor: pointer;
}

.priority-option input,
.action-option input,
.choice-card input,
.communication-card input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

.priority-option > span {
    display: block;
    min-height: 4.7rem;
    padding: 0.72rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface-raised);
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.priority-option:hover > span,
.priority-option input:focus-visible + span {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.priority-option input:checked + span {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: 0 0 0 2px var(--primary-soft);
}

.priority-option strong,
.priority-option small {
    display: block;
}

.priority-option strong {
    color: var(--heading);
    font-size: 0.75rem;
}

.priority-option small {
    margin-top: 0.18rem;
    color: var(--muted);
    font-size: 0.58rem;
    line-height: 1.35;
}

.question-list,
.action-grid,
.choice-list,
.communication-list {
    display: grid;
    gap: 0.52rem;
}

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

.question-button {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.65rem;
    min-height: 3.5rem;
    padding: 0.68rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface-raised);
    cursor: pointer;
    text-align: left;
    transition: border-color var(--transition), background var(--transition);
}

.question-button:hover:not(:disabled) {
    border-color: var(--primary);
}

.question-button.is-asked {
    border-color: var(--line-strong);
    background: var(--surface-soft);
}

.question-button.is-recommended::after {
    position: absolute;
    top: 0.35rem;
    right: 0.35rem;
    padding: 0.18rem 0.34rem;
    border-radius: 99px;
    background: var(--primary-soft);
    color: var(--primary);
    content: "Useful";
    font-size: 0.49rem;
    font-weight: 850;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.question-button:disabled {
    cursor: default;
}

.question-button__number {
    display: grid;
    width: 1.65rem;
    height: 1.65rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--primary);
    font-size: 0.57rem;
    font-weight: 850;
}

.question-button__text {
    color: var(--text);
    font-size: 0.7rem;
    font-weight: 700;
}

.question-button__check {
    color: var(--green);
    font-size: 0.76rem;
    font-weight: 900;
}

.conversation-log {
    display: grid;
    gap: 0.55rem;
    max-height: 13rem;
    margin-top: 0.75rem;
    overflow-y: auto;
}

.conversation-entry {
    padding: 0.7rem 0.8rem;
    border-left: 2px solid var(--primary);
    border-radius: 0 0.6rem 0.6rem 0;
    background: var(--surface-raised);
}

.conversation-entry strong,
.conversation-entry p,
.conversation-entry small {
    display: block;
    margin: 0;
}

.conversation-entry strong {
    color: var(--primary);
    font-size: 0.58rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.conversation-entry p {
    margin-top: 0.18rem;
    color: var(--text);
    font-size: 0.72rem;
}

.conversation-entry small {
    margin-top: 0.28rem;
    color: var(--muted);
    font-size: 0.6rem;
}

.stage-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.4rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--line);
}

.stage-actions > p {
    margin: 0;
    color: var(--muted);
    font-size: 0.64rem;
}

.stage-actions__buttons {
    display: flex;
    gap: 0.55rem;
}

.validation-message {
    margin: 0.7rem 0 0;
    color: var(--red);
    font-size: 0.65rem;
    font-weight: 700;
}

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

.action-option > span,
.choice-card > span,
.communication-card > span {
    display: grid;
    min-height: 4rem;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 0.7rem;
    padding: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface-raised);
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.action-option:hover > span,
.choice-card:hover > span,
.communication-card:hover > span,
.action-option input:focus-visible + span,
.choice-card input:focus-visible + span,
.communication-card input:focus-visible + span {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.action-option input:checked + span,
.choice-card input:checked + span,
.communication-card input:checked + span {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: 0 0 0 2px var(--primary-soft);
}

.option-marker {
    display: grid;
    width: 1.4rem;
    height: 1.4rem;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 0.4rem;
    color: transparent;
    font-size: 0.7rem;
    font-weight: 900;
}

input:checked + span .option-marker {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

.option-copy strong,
.option-copy small {
    display: block;
}

.option-copy strong {
    color: var(--heading);
    font-size: 0.71rem;
}

.option-copy small {
    margin-top: 0.2rem;
    color: var(--muted);
    font-size: 0.61rem;
    line-height: 1.4;
}

.diagnostic-results {
    display: grid;
    gap: 0.45rem;
    margin-top: 1rem;
}

.diagnostic-result {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 0.6rem;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: var(--surface-raised);
}

.diagnostic-result > span {
    display: grid;
    width: 1.3rem;
    height: 1.3rem;
    place-items: center;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.58rem;
    font-weight: 900;
}

.diagnostic-result strong,
.diagnostic-result p {
    display: block;
    margin: 0;
}

.diagnostic-result strong {
    color: var(--heading);
    font-size: 0.67rem;
}

.diagnostic-result p {
    margin-top: 0.1rem;
    color: var(--muted);
    font-size: 0.62rem;
}

.choice-list,
.communication-list {
    grid-template-columns: 1fr;
}

.choice-card > span,
.communication-card > span {
    min-height: auto;
}

.communication-card .option-copy strong {
    font-weight: 650;
    line-height: 1.5;
}

.notes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.field {
    display: grid;
    gap: 0.4rem;
}

.field label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--heading);
    font-size: 0.7rem;
    font-weight: 800;
}

.field label span {
    color: var(--muted);
    font-size: 0.57rem;
    font-weight: 650;
}

.field textarea {
    width: 100%;
    min-height: 10rem;
    resize: vertical;
    padding: 0.8rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.7rem;
    outline: none;
    background: var(--surface-raised);
    color: var(--text);
    font-size: 0.72rem;
    line-height: 1.55;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.field textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.field textarea::placeholder {
    color: var(--faint);
}

.character-count {
    color: var(--muted);
    font-size: 0.58rem;
    text-align: right;
}

.ticket-review-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.55rem;
    margin-bottom: 1rem;
}

.ticket-review-card > div {
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: var(--surface-raised);
}

.ticket-review-card small,
.ticket-review-card strong {
    display: block;
}

.ticket-review-card small {
    color: var(--muted);
    font-size: 0.55rem;
    font-weight: 750;
    text-transform: uppercase;
}

.ticket-review-card strong {
    margin-top: 0.12rem;
    color: var(--heading);
    font-size: 0.7rem;
}

/* Coach panel */
.coach-panel {
    overflow: hidden;
}

.coach-panel__header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 1rem;
    border-bottom: 1px solid var(--line);
}

.coach-avatar {
    display: grid;
    width: 2.35rem;
    height: 2.35rem;
    place-items: center;
    border-radius: 0.7rem;
    background: var(--primary-soft);
    color: var(--primary);
}

.coach-avatar svg {
    width: 1.2rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.coach-panel__header .section-kicker {
    margin-bottom: 0.15rem;
}

.coach-panel__header h3 {
    font-size: 0.88rem;
}

.coach-hint,
.kb-search,
.kb-card,
.activity-log {
    margin: 0.8rem;
    padding: 0.85rem;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    background: var(--surface-raised);
}

.kb-search label {
    display: block;
    margin-bottom: 0.42rem;
    color: var(--heading);
    font-size: 0.61rem;
    font-weight: 800;
}

.kb-search > div {
    display: grid;
    grid-template-columns: 1fr auto;
}

.kb-search input {
    min-width: 0;
    height: 2.2rem;
    padding: 0 0.62rem;
    border: 1px solid var(--line-strong);
    border-right: 0;
    border-radius: 0.55rem 0 0 0.55rem;
    outline: none;
    background: var(--surface);
    color: var(--text);
    font-size: 0.61rem;
}

.kb-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.kb-search button {
    display: grid;
    width: 2.2rem;
    height: 2.2rem;
    place-items: center;
    border-radius: 0 0.55rem 0.55rem 0;
    background: var(--primary);
    color: #ffffff;
    cursor: pointer;
}

.kb-search button svg {
    width: 0.95rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.kb-results {
    display: grid;
    gap: 0.25rem;
    margin: 0.55rem 0 0;
    padding: 0;
    list-style: none;
}

.kb-results button {
    display: block;
    width: 100%;
    height: auto;
    padding: 0.48rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: 0.48rem;
    background: var(--surface);
    color: var(--text);
    font-size: 0.57rem;
    line-height: 1.35;
    text-align: left;
}

.kb-results button:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.coach-hint {
    border-color: rgba(8, 127, 119, 0.24);
    background: var(--primary-soft);
}

.coach-hint small,
.coach-hint p {
    display: block;
    margin: 0;
}

.coach-hint small {
    color: var(--primary);
    font-size: 0.56rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.coach-hint p {
    margin-top: 0.3rem;
    color: var(--text);
    font-size: 0.67rem;
}

.coach-hint.is-hidden-hint {
    border-style: dashed;
    background: var(--surface-raised);
}

.kb-card__label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.52rem;
}

.kb-card__label span {
    display: grid;
    width: 1.55rem;
    height: 1.55rem;
    place-items: center;
    border-radius: 0.42rem;
    background: var(--surface-soft);
    color: var(--primary);
    font-size: 0.55rem;
    font-weight: 900;
}

.kb-card__label small {
    color: var(--muted);
    font-size: 0.57rem;
    font-weight: 750;
}

.kb-card > strong {
    display: block;
    color: var(--heading);
    font-size: 0.7rem;
}

.kb-card > p {
    margin: 0.26rem 0 0;
    color: var(--muted);
    font-size: 0.61rem;
}

.activity-log__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.6rem;
}

.activity-log__heading h4 {
    margin: 0;
    font-size: 0.72rem;
}

.activity-log__heading span {
    color: var(--muted);
    font-size: 0.55rem;
}

.activity-log ol {
    display: grid;
    max-height: 13rem;
    gap: 0.5rem;
    margin: 0;
    overflow-y: auto;
    padding: 0;
    list-style: none;
}

.activity-log li {
    position: relative;
    padding-left: 0.75rem;
    color: var(--muted);
    font-size: 0.58rem;
    line-height: 1.45;
}

.activity-log li:not(.activity-log__empty)::before {
    position: absolute;
    top: 0.38rem;
    left: 0;
    width: 0.3rem;
    height: 0.3rem;
    border-radius: 50%;
    background: var(--primary);
    content: "";
}

/* Learning and footer */
.learning-section {
    padding: clamp(5rem, 8vw, 8rem) 0;
}

.learning-grid {
    display: grid;
    grid-template-columns: minmax(18rem, 0.75fr) minmax(0, 1.25fr);
    align-items: start;
    gap: clamp(3rem, 7vw, 7rem);
}

.learning-grid h2 {
    max-width: 32rem;
    font-size: clamp(2.2rem, 4.5vw, 4rem);
}

.learning-grid ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    list-style: none;
    box-shadow: var(--shadow-sm);
}

.learning-grid li {
    padding: 1.35rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.learning-grid li:nth-child(2n) {
    border-right: 0;
}

.learning-grid li:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.learning-grid li > span {
    display: block;
    margin-bottom: 1.1rem;
    color: var(--primary);
    font-size: 0.67rem;
    font-weight: 850;
}

.learning-grid li strong {
    display: block;
    color: var(--heading);
    font-size: 0.86rem;
}

.learning-grid li p {
    margin: 0.3rem 0 0;
    color: var(--muted);
    font-size: 0.71rem;
}

.lab-footer {
    border-top: 1px solid var(--line);
    background: var(--bg-deep);
}

.lab-footer__inner {
    display: grid;
    min-height: 8rem;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
}

.lab-footer__inner > div {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.lab-footer__inner > div p,
.lab-footer__inner > div strong,
.lab-footer__inner > div small {
    display: block;
    margin: 0;
}

.lab-footer__inner > div strong {
    color: var(--heading);
    font-size: 0.75rem;
}

.lab-footer__inner > div small,
.lab-footer__inner > p {
    color: var(--muted);
    font-size: 0.62rem;
}

.lab-footer__inner > p {
    max-width: 30rem;
    margin: 0;
    text-align: center;
}

.lab-footer__inner > a {
    justify-self: end;
    color: var(--primary);
    font-size: 0.68rem;
    font-weight: 800;
}

/* Feedback */
.feedback-overlay {
    position: fixed;
    z-index: 300;
    inset: 0;
    display: grid;
    overflow-y: auto;
    place-items: center;
    padding: 1.5rem;
    background: rgba(2, 10, 17, 0.68);
    backdrop-filter: blur(8px);
}

.feedback-modal {
    position: relative;
    width: min(48rem, 100%);
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    outline: none;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: grid;
    width: 2.2rem;
    height: 2.2rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface-raised);
    color: var(--muted);
    cursor: pointer;
    font-size: 1.2rem;
}

.feedback-score {
    display: flex;
    width: 6rem;
    height: 6rem;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 1.2rem;
    padding-top: 1.65rem;
    border: 6px solid var(--primary-soft);
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    border-radius: 50%;
    color: var(--heading);
}

.feedback-score strong {
    font-size: 1.8rem;
    line-height: 1;
}

.feedback-score span {
    color: var(--muted);
    font-size: 0.63rem;
}

.feedback-modal h2 {
    font-size: 2.3rem;
}

.feedback-summary {
    max-width: 42rem;
    margin: 0.7rem 0 1.4rem;
    color: var(--muted);
    font-size: 0.83rem;
}

.score-breakdown {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.45rem;
    margin-bottom: 1.3rem;
}

.score-item {
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: var(--surface-raised);
}

.score-item small,
.score-item strong,
.score-item span {
    display: block;
}

.score-item small {
    color: var(--muted);
    font-size: 0.54rem;
    font-weight: 750;
    text-transform: uppercase;
}

.score-item strong {
    margin-top: 0.2rem;
    color: var(--heading);
    font-size: 1rem;
}

.score-item span {
    color: var(--faint);
    font-size: 0.54rem;
}

.coach-review {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
}

.coach-review > div {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    background: var(--surface-raised);
}

.coach-review h3 {
    font-size: 0.78rem;
}

.coach-review ul {
    display: grid;
    gap: 0.42rem;
    margin: 0.6rem 0 0;
    padding-left: 1rem;
    color: var(--muted);
    font-size: 0.65rem;
}

.ideal-note {
    margin-top: 0.75rem;
    padding: 0.85rem;
    border-left: 3px solid var(--primary);
    border-radius: 0 0.7rem 0.7rem 0;
    background: var(--primary-soft);
}

.ideal-note small {
    color: var(--primary);
    font-size: 0.57rem;
    font-weight: 850;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ideal-note p {
    margin: 0.3rem 0 0;
    color: var(--text);
    font-size: 0.67rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1.2rem;
}

.noscript-message {
    position: fixed;
    z-index: 500;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    padding: 1rem;
    border-radius: 0.7rem;
    background: var(--red);
    color: #ffffff;
    font-weight: 750;
    text-align: center;
}

body.modal-open {
    overflow: hidden;
}

@media (max-width: 1280px) {
    .simulator-grid {
        grid-template-columns: minmax(13rem, 0.65fr) minmax(36rem, 2fr);
    }

    .coach-panel {
        position: static;
        display: grid;
        grid-column: 1 / -1;
        grid-template-columns: auto 1fr 1fr 1.2fr;
        align-items: stretch;
    }

    .coach-panel__header {
        border-right: 1px solid var(--line);
        border-bottom: 0;
    }

    .coach-hint,
    .kb-search,
    .kb-card,
    .activity-log {
        margin: 0.65rem 0.65rem 0.65rem 0;
    }
}

@media (max-width: 980px) {
    .shell,
    .simulator-shell {
        width: min(100% - 2rem, 52rem);
    }

    .setup-grid,
    .learning-grid {
        grid-template-columns: 1fr;
    }

    .workflow-preview {
        display: grid;
        grid-template-columns: 0.75fr 1fr;
        column-gap: 2rem;
    }

    .workflow-steps {
        grid-row: 1 / 4;
        grid-column: 2;
        margin: 0;
    }

    .workflow-preview__note {
        margin-top: 1.5rem;
    }

    .session-bar {
        align-items: flex-start;
    }

    .session-bar__stats {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

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

    .queue-panel,
    .coach-panel {
        position: static;
    }

    .ticket-list {
        max-height: 18rem;
    }

    .coach-panel {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .coach-panel__header {
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .activity-log {
        grid-column: 1 / -1;
        margin-left: 0.65rem;
    }

    .learning-grid {
        gap: 2rem;
    }
}

@media (max-width: 720px) {
    :root {
        --header-height: 4.25rem;
    }

    .shell,
    .simulator-shell {
        width: min(100% - 1.2rem, 38rem);
    }

    .brand__text small,
    .save-state {
        display: none;
    }

    .back-link {
        width: 2.55rem;
        padding: 0;
        justify-content: center;
        font-size: 0;
    }

    .back-link svg {
        width: 1.1rem;
    }

    .lab-intro {
        padding-top: 4.25rem;
    }

    .mode-options {
        grid-template-columns: 1fr;
    }

    .mode-card {
        min-height: auto;
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 0.75rem;
    }

    .mode-card__icon {
        margin: 0;
    }

    .mode-card__level {
        margin: 0;
        padding: 0;
    }

    .workflow-preview {
        display: block;
    }

    .workflow-steps {
        margin: 1.5rem 0;
    }

    .session-bar {
        display: block;
    }

    .session-bar__stats {
        justify-content: flex-start;
        margin-top: 1rem;
    }

    .session-bar__stats > div {
        min-width: 5.7rem;
    }

    .ticket-header,
    .stage-content {
        padding: 1.1rem;
    }

    .caller-message {
        margin-inline: 1.1rem;
    }

    .ticket-header__title {
        display: block;
    }

    .sla-card {
        display: inline-block;
        margin-top: 0.8rem;
    }

    .stage-tab {
        min-height: 3.15rem;
        flex-direction: column;
        gap: 0.2rem;
        font-size: 0.56rem;
    }

    .priority-grid,
    .question-list,
    .action-grid,
    .notes-grid {
        grid-template-columns: 1fr;
    }

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

    .stage-heading,
    .stage-actions {
        display: block;
    }

    .stage-progress {
        display: block;
        margin-top: 0.6rem;
    }

    .stage-actions__buttons {
        margin-top: 0.8rem;
    }

    .ticket-review-card {
        grid-template-columns: 1fr;
    }

    .coach-panel {
        grid-template-columns: 1fr;
    }

    .coach-panel__header,
    .activity-log {
        grid-column: auto;
    }

    .coach-hint,
    .kb-search,
    .kb-card,
    .activity-log {
        margin: 0.65rem;
    }

    .learning-grid ul {
        grid-template-columns: 1fr;
    }

    .learning-grid li,
    .learning-grid li:nth-child(2n),
    .learning-grid li:nth-last-child(-n + 2) {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .learning-grid li:last-child {
        border-bottom: 0;
    }

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

    .coach-review {
        grid-template-columns: 1fr;
    }

    .modal-actions,
    .modal-actions button {
        width: 100%;
    }

    .modal-actions {
        flex-direction: column-reverse;
    }

    .lab-footer__inner {
        display: flex;
        min-height: auto;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding-block: 2rem;
    }

    .lab-footer__inner > p {
        text-align: left;
    }

    .lab-footer__inner > a {
        justify-self: auto;
    }
}

@media (max-width: 430px) {
    .brand__text strong {
        max-width: 9rem;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mode-card__level {
        display: none;
    }

    .mode-card {
        grid-template-columns: auto 1fr;
    }

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

    .stage-tab span {
        width: 1.15rem;
        height: 1.15rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}