@import url(https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,600&family=Inter:wght@400;500;600&display=swap);
:root {
    --gt-background: #f7f6f2;
    --gt-foreground: #1a1918;
    --gt-card: #ffffff;
    --gt-primary: #0c6e6e;
    --gt-primary-hover: #095b5b;
    --gt-primary-foreground: #ffffff;
    --gt-secondary: #eee9e2;
    --gt-muted: #e4e0d9;
    --gt-muted-foreground: #6a6560;
    --gt-border: rgba(26, 25, 24, 0.11);
    --gt-destructive: #b42318;
    --gt-destructive-background: #fef3f2;
    --gt-destructive-border: #fecdca;
    --gt-radius: 0.5rem;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background: var(--gt-background);
    color: var(--gt-foreground);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
}

.gt-container {
    max-width: 64rem;
}

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

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}

.gt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid transparent;
    border-radius: var(--gt-radius);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25;
    text-decoration: none;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, opacity 150ms ease;
}

.gt-btn--sm {
    min-height: 2rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.gt-btn--lg {
    min-height: 2.75rem;
    padding: 0.75rem 1.25rem;
}

.gt-btn--primary {
    background: var(--gt-primary);
    color: var(--gt-primary-foreground);
}

.gt-btn--primary:hover:not(:disabled) {
    background: var(--gt-primary-hover);
    color: var(--gt-primary-foreground);
}

.gt-btn--secondary {
    background: var(--gt-secondary);
    color: var(--gt-foreground);
}

.gt-btn--secondary:hover:not(:disabled) {
    background: var(--gt-muted);
    color: var(--gt-foreground);
}

.gt-btn:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.gt-btn:focus-visible {
    outline: 2px solid var(--gt-primary);
    outline-offset: 3px;
}

.site-header {
    border-bottom: 1px solid var(--gt-border);
    background: var(--gt-background);
}

.site-header--app {
    position: sticky;
    z-index: 40;
    top: 0;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 3.5rem;
}

.brand-mark {
    color: var(--gt-foreground);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    text-decoration: none;
    transition: color 150ms ease;
}

.brand-mark:hover {
    color: var(--gt-primary);
}

.site-header__nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-header__link {
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 150ms ease;
}

.site-header__link:hover {
    color: var(--gt-foreground);
}

.site-header__nav--app {
    gap: 0.75rem;
}

.site-header__create {
    white-space: nowrap;
}

.site-header__create-icon {
    font-size: 1rem;
    line-height: 1;
}

.site-header__create--active {
    box-shadow: 0 0 0 2px rgba(12, 110, 110, 0.2);
}

.site-header__app-link {
    padding: 0.375rem 0.75rem;
    border-radius: var(--gt-radius);
}

.site-header__app-link:hover,
.site-header__app-link--active {
    background: var(--gt-secondary);
    color: var(--gt-foreground);
}

.site-header__logout {
    margin: 0;
}

.site-header__logout-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 0;
    border-radius: var(--gt-radius);
    background: transparent;
    color: var(--gt-muted-foreground);
    transition: background-color 150ms ease, color 150ms ease;
}

.site-header__logout-button:hover {
    background: var(--gt-secondary);
    color: var(--gt-foreground);
}

.brand-mark:focus-visible,
.site-header__link:focus-visible,
.site-header__logout-button:focus-visible {
    outline: 2px solid var(--gt-primary);
    outline-offset: 3px;
}

@media (max-width: 575.98px) {
    .site-header__nav--app {
        gap: 0.25rem;
    }

    .site-header__create {
        padding-right: 0.5rem;
        padding-left: 0.5rem;
    }

    .site-header__create-icon {
        display: none;
    }

    .site-header__app-link {
        max-width: 5.5rem;
        padding-right: 0.5rem;
        padding-left: 0.5rem;
        font-size: 0.8125rem;
        line-height: 1.1;
        text-align: center;
    }
}

.landing-page {
    min-height: 100vh;
    background: var(--gt-background);
}

.landing-secondary-link {
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 150ms ease;
}

.landing-secondary-link:hover {
    color: var(--gt-foreground);
}

.landing-secondary-link:focus-visible {
    outline: 2px solid var(--gt-primary);
    outline-offset: 3px;
}

.landing-hero {
    padding: 5rem 0;
}

.landing-eyebrow {
    display: inline-block;
    margin: 0 0 1.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(12, 110, 110, 0.1);
    color: var(--gt-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1.5;
    text-transform: uppercase;
}

.landing-hero h1 {
    max-width: 48rem;
    margin: 0 auto 1.5rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.12;
}

.landing-hero__lead {
    max-width: 36rem;
    margin: 0 auto 2.5rem;
    color: var(--gt-muted-foreground);
    font-size: 1.125rem;
    line-height: 1.65;
}

.landing-hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.workflow-section {
    padding: 4rem 0;
    border-top: 1px solid var(--gt-border);
    border-bottom: 1px solid var(--gt-border);
    background: rgba(238, 233, 226, 0.4);
}

.section-title {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
}

.workflow-section .section-title {
    margin-bottom: 2.5rem;
}

.workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.workflow-step__number {
    display: inline-flex;
    flex: 0 0 2rem;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--gt-primary);
    color: var(--gt-primary-foreground);
    font-size: 0.875rem;
    font-weight: 600;
}

.workflow-step h3 {
    margin: 0 0 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.45;
}

.workflow-step p {
    margin: 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    line-height: 1.6;
}

.examples-section {
    padding: 4rem 0;
}

.section-description {
    margin: 0 0 2rem;
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    line-height: 1.6;
}

.example-card {
    padding: 1.25rem;
    border: 1px solid var(--gt-border);
    border-radius: 0.75rem;
    background: var(--gt-card);
}

.example-card__topic {
    margin: 0 0 0.5rem;
    color: var(--gt-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.example-card h3 {
    margin: 0 0 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
}

.example-card > p:last-child {
    margin: 0;
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    line-height: 1.55;
}

.landing-cta {
    padding: 3.5rem 0;
    background: var(--gt-primary);
    color: var(--gt-primary-foreground);
}

.landing-cta h2 {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
}

.landing-cta p {
    margin: 0 0 2rem;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.875rem;
}

.landing-footer {
    border-top: 1px solid var(--gt-border);
}

.landing-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
}

.landing-footer__brand {
    color: var(--gt-foreground);
    font-weight: 600;
}

@media (min-width: 576px) {
    .workflow-step {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .landing-hero {
        padding: 4rem 0;
    }

    .landing-hero h1 {
        font-size: 2.5rem;
    }

    .landing-hero__lead {
        font-size: 1rem;
    }

    .landing-hero__actions {
        flex-direction: column;
    }

    .landing-hero__actions .gt-btn {
        width: 100%;
        max-width: 20rem;
    }

    .workflow-section,
    .examples-section {
        padding: 3.5rem 0;
    }
}

.login-page {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    background: var(--gt-background);
}

.login-layout {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.login-panel {
    width: 100%;
    max-width: 24rem;
}

.login-form__intro {
    margin-bottom: 2rem;
}

.login-form__intro h1 {
    margin: 0 0 0.375rem;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.35;
}

.login-form__intro p {
    margin: 0;
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    line-height: 1.5;
}

.login-form__fields {
    display: grid;
    gap: 1rem;
}

.login-form__field label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.login-form__input {
    display: block;
    width: 100%;
    min-height: 2.625rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--gt-border);
    border-radius: var(--gt-radius);
    background: var(--gt-card);
    color: var(--gt-foreground);
    font: inherit;
    font-size: 0.875rem;
    line-height: 1.4;
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.login-form__input::placeholder {
    color: #96908a;
}

.login-form__input:focus {
    border-color: var(--gt-primary);
    box-shadow: 0 0 0 3px rgba(12, 110, 110, 0.12);
}

.login-form__input:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.login-form__input--error {
    border-color: var(--gt-destructive);
}

.login-form__input--error:focus {
    border-color: var(--gt-destructive);
    box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.1);
}

.login-form__password {
    position: relative;
}

.login-form__input--password {
    padding-right: 2.75rem;
}

.login-form__password-toggle {
    position: absolute;
    top: 50%;
    right: 0.625rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 0;
    border-radius: 0.375rem;
    background: transparent;
    color: var(--gt-muted-foreground);
    transform: translateY(-50%);
    transition: background-color 150ms ease, color 150ms ease;
}

.login-form__password-toggle:hover:not(:disabled) {
    background: var(--gt-secondary);
    color: var(--gt-foreground);
}

.login-form__password-toggle:focus-visible {
    outline: 2px solid var(--gt-primary);
    outline-offset: 1px;
}

.login-form__password-toggle:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.login-form__error {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--gt-destructive-border);
    border-radius: var(--gt-radius);
    background: var(--gt-destructive-background);
    color: var(--gt-destructive);
    font-size: 0.875rem;
    line-height: 1.45;
}

.login-form__error svg {
    flex: 0 0 auto;
    margin-top: 0.125rem;
}

.login-form__submit {
    width: 100%;
}

.login-form__spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: login-spinner 700ms linear infinite;
}

.login-form__help {
    margin: 1.5rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    line-height: 1.5;
    text-align: center;
}

@keyframes login-spinner {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 575.98px) {
    .login-layout {
        align-items: flex-start;
        padding-top: 4rem;
    }
}

.app-shell {
    min-height: 100vh;
    background: var(--gt-background);
}

.app-page {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.app-page h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.3;
}

.create-exercise-page {
    max-width: 44rem;
}

.create-exercise-page__back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 1.25rem;
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    text-decoration: none;
}

.create-exercise-page__back:hover {
    color: var(--gt-foreground);
}

.create-exercise {
    margin-top: 2rem;
}

.create-exercise__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 0;
    margin: 0 0 2rem;
    list-style: none;
}

.create-exercise__step {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    font-weight: 500;
}

.create-exercise__step:not(:last-child)::after {
    width: 100%;
    height: 1px;
    margin: 0 0.75rem;
    background: var(--gt-border);
    content: "";
}

.create-exercise__step--active {
    color: var(--gt-primary);
}

.create-exercise__step-number {
    display: inline-flex;
    flex: 0 0 1.5rem;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--gt-muted);
}

.create-exercise__step--active .create-exercise__step-number {
    background: var(--gt-primary);
    color: var(--gt-primary-foreground);
}

.create-exercise__step--complete {
    color: var(--gt-foreground);
}

.create-exercise__step--complete .create-exercise__step-number {
    background: #18864b;
    color: #ffffff;
}

.create-exercise__step--complete::after {
    background: rgba(24, 134, 75, 0.35) !important;
}

.create-exercise__form {
    padding: 1.5rem;
    border: 1px solid var(--gt-border);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: var(--gt-card);
}

.create-exercise__field + .create-exercise__field {
    margin-top: 1.5rem;
}

.create-exercise__field label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.create-exercise__field label span {
    color: var(--gt-destructive);
}

.create-exercise__field > p {
    margin: 0 0 0.625rem;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
}

.create-exercise__control {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--gt-border);
    border-radius: var(--gt-radius);
    outline: none;
    background: var(--gt-card);
    color: var(--gt-foreground);
    font: inherit;
    font-size: 0.875rem;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.create-exercise__control:focus {
    border-color: var(--gt-primary);
    box-shadow: 0 0 0 3px rgba(12, 110, 110, 0.12);
}

.create-exercise__control:disabled {
    background: var(--gt-secondary);
    cursor: not-allowed;
}

.create-exercise__status,
.create-exercise__error {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--gt-border);
    border-radius: var(--gt-radius);
    font-size: 0.875rem;
}

.create-exercise__status {
    gap: 0.5rem;
    color: var(--gt-muted-foreground);
}

.create-exercise__spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--gt-muted);
    border-top-color: var(--gt-primary);
    border-radius: 50%;
    animation: create-exercise-spin 700ms linear infinite;
}

.create-exercise__error {
    justify-content: space-between;
    gap: 1rem;
    border-color: var(--gt-destructive-border);
    background: var(--gt-destructive-background);
    color: var(--gt-destructive);
}

.create-exercise__error button {
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
}

.create-exercise__error--action {
    margin-top: 0.75rem;
}

.create-exercise__actions {
    margin-top: 1.75rem;
}

.create-exercise__actions .gt-btn {
    width: 100%;
}

.create-exercise__actions p {
    margin: 0.625rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    text-align: center;
}

.create-exercise__prompt {
    display: grid;
    gap: 1.25rem;
}

.create-exercise__instructions {
    padding: 1rem;
    border: 1px solid var(--gt-border);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: var(--gt-secondary);
}

.create-exercise__instructions strong {
    font-size: 0.875rem;
}

.create-exercise__instructions p {
    margin: 0.375rem 0 1rem;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    line-height: 1.55;
}

.create-exercise__flow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.625rem 0.75rem;
    border-radius: var(--gt-radius);
    background: rgba(255, 255, 255, 0.55);
    color: var(--gt-muted-foreground);
    font-size: 0.7rem;
    white-space: nowrap;
}

.create-exercise__flow span:first-child,
.create-exercise__flow span:last-child {
    color: var(--gt-foreground);
    font-weight: 600;
}

.create-exercise__prompt-field {
    position: relative;
}

.create-exercise__prompt-field label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
}

.create-exercise__prompt-field textarea {
    display: block;
    width: 100%;
    min-height: 22rem;
    padding: 1rem;
    border: 1px solid var(--gt-border);
    border-radius: calc(var(--gt-radius) * 1.5);
    outline: none;
    background: var(--gt-card);
    color: var(--gt-foreground);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    line-height: 1.55;
    resize: vertical;
}

.create-exercise__prompt-field textarea:focus {
    border-color: var(--gt-primary);
    box-shadow: 0 0 0 3px rgba(12, 110, 110, 0.12);
}

.create-exercise__copy {
    position: absolute;
    top: 2.125rem;
    right: 0.75rem;
    border-color: var(--gt-border);
    background: var(--gt-card);
    box-shadow: 0 1px 3px rgba(26, 25, 24, 0.08);
}

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

.create-exercise__upload {
    display: grid;
    gap: 1.25rem;
}

.create-exercise__upload h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.create-exercise__upload-intro {
    margin: 0.375rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    line-height: 1.55;
}

.create-exercise__dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 11rem;
    padding: 1.5rem;
    border: 1px dashed rgba(12, 110, 110, 0.45);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    text-align: center;
    transition: border-color 150ms ease, background-color 150ms ease;
}

.create-exercise__dropzone:hover {
    border-color: var(--gt-primary);
    background: var(--gt-card);
}

.create-exercise__dropzone--busy {
    cursor: wait;
    opacity: 0.7;
}

.create-exercise__dropzone input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.create-exercise__dropzone strong {
    color: var(--gt-primary);
    font-size: 0.875rem;
}

.create-exercise__dropzone span,
.create-exercise__dropzone small {
    margin-top: 0.375rem;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
}

.create-exercise__dropzone small {
    color: var(--gt-foreground);
    font-weight: 500;
}

.create-exercise__preview {
    padding: 1.25rem;
    border: 1px solid rgba(24, 134, 75, 0.3);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: rgba(24, 134, 75, 0.05);
}

.create-exercise__preview-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.create-exercise__preview-heading span:first-child {
    color: #167442;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.create-exercise__preview-heading h3 {
    margin-top: 0.25rem;
}

.create-exercise__valid-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    background: #18864b;
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 600;
}

.create-exercise__preview > p {
    margin: 0.75rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    line-height: 1.55;
}

.create-exercise__preview dl {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 0.75rem;
    margin: 1rem 0 0;
}

.create-exercise__preview dl div {
    padding-top: 0.75rem;
    border-top: 1px solid rgba(24, 134, 75, 0.18);
}

.create-exercise__preview dt {
    color: var(--gt-muted-foreground);
    font-size: 0.7rem;
    font-weight: 400;
}

.create-exercise__preview dd {
    margin: 0.2rem 0 0;
    font-size: 0.8rem;
    font-weight: 600;
}

.create-exercise__upload-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.create-exercise__next-note {
    margin: -0.625rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    text-align: center;
}

.create-exercise__success {
    padding: 2rem;
    border: 1px solid rgba(24, 134, 75, 0.3);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: rgba(24, 134, 75, 0.05);
    text-align: center;
}

.create-exercise__success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 0.875rem;
    border-radius: 50%;
    background: #18864b;
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 600;
}

.create-exercise__success > p {
    margin: 0;
    color: #167442;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.create-exercise__success h3 {
    margin-top: 0.375rem;
    font-size: 1.25rem;
}

.create-exercise__success dl {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1.25rem 0;
}

.create-exercise__success dt {
    color: var(--gt-muted-foreground);
    font-size: 0.7rem;
    font-weight: 400;
}

.create-exercise__success dd {
    margin: 0.2rem 0 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.my-exercises__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.my-exercises__empty {
    padding: 3rem 1.5rem;
    margin-top: 2rem;
    border: 1px dashed var(--gt-border);
    border-radius: calc(var(--gt-radius) * 1.5);
    text-align: center;
}

.my-exercises__empty h2,
.my-exercises__card h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.my-exercises__empty p,
.my-exercises__card p {
    margin: 0.375rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.8rem;
}

.my-exercises__list {
    display: grid;
    gap: 0.75rem;
    margin-top: 2rem;
}

.my-exercises__card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem;
    border: 1px solid var(--gt-border);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: var(--gt-card);
    color: var(--gt-foreground);
    text-decoration: none;
    transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.my-exercises__card:hover {
    border-color: rgba(12, 110, 110, 0.35);
    box-shadow: 0 0.25rem 1rem rgba(26, 25, 24, 0.06);
    color: var(--gt-foreground);
    transform: translateY(-1px);
}

.my-exercises__card dl {
    display: flex;
    gap: 1.5rem;
    margin: 0;
}

.my-exercises__card dt {
    color: var(--gt-muted-foreground);
    font-size: 0.68rem;
    font-weight: 400;
}

.my-exercises__card dd {
    margin: 0.2rem 0 0;
    font-size: 0.78rem;
    font-weight: 600;
}

.exercise-player-page {
    max-width: 48rem;
}

.exercise-player__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
}

.exercise-player__topic {
    display: inline-flex;
    padding: 0.25rem 0.5rem;
    margin-bottom: 0.625rem;
    border-radius: 999px;
    background: var(--gt-secondary);
    color: var(--gt-muted-foreground);
    font-size: 0.7rem;
    font-weight: 600;
}

.exercise-player__header p {
    max-width: 38rem;
    margin: 0.625rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.875rem;
    line-height: 1.55;
}

.exercise-player__progress {
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: flex-end;
    padding-top: 0.25rem;
}

.exercise-player__progress strong {
    color: var(--gt-primary);
    font-size: 1.125rem;
}

.exercise-player__progress span {
    color: var(--gt-muted-foreground);
    font-size: 0.7rem;
}

.exercise-player__instructions {
    padding: 1rem 1.25rem;
    margin-top: 1.5rem;
    border-left: 3px solid var(--gt-primary);
    border-radius: 0 var(--gt-radius) var(--gt-radius) 0;
    background: var(--gt-secondary);
}

.exercise-player__instructions strong {
    font-size: 0.75rem;
}

.exercise-player__instructions p {
    margin: 0.25rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.8rem;
}

.exercise-player__items {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.exercise-player__item {
    padding: 1.5rem;
    border: 1px solid var(--gt-border);
    border-radius: calc(var(--gt-radius) * 1.5);
    background: var(--gt-card);
    transition: border-color 150ms ease, background-color 150ms ease;
}

.exercise-player__item--correct {
    border-color: rgba(24, 134, 75, 0.35);
    background: rgba(24, 134, 75, 0.035);
}

.exercise-player__item--incorrect {
    border-color: var(--gt-destructive-border);
}

.exercise-player__item-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    color: var(--gt-muted-foreground);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.exercise-player__result-label {
    color: var(--gt-destructive);
}

.exercise-player__item--correct .exercise-player__result-label {
    color: #167442;
}

.exercise-player__context {
    margin: 0 0 1rem;
    color: var(--gt-muted-foreground);
    font-size: 0.8rem;
    line-height: 1.55;
}

.exercise-player__sentence {
    font-size: 1rem;
    line-height: 2.75;
}

.exercise-player__sentence input {
    width: min(14rem, 70vw);
    height: 2.25rem;
    padding: 0.375rem 0.625rem;
    margin: 0 0.25rem;
    border: 1px solid var(--gt-border);
    border-radius: var(--gt-radius);
    outline: none;
    background: var(--gt-background);
    font: inherit;
    line-height: 1.25;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.exercise-player__sentence input:focus {
    border-color: var(--gt-primary);
    box-shadow: 0 0 0 3px rgba(12, 110, 110, 0.12);
}

.exercise-player__sentence input.exercise-player__answer--correct {
    border-color: #18864b;
    background: rgba(24, 134, 75, 0.06);
}

.exercise-player__sentence input.exercise-player__answer--incorrect {
    border-color: var(--gt-destructive);
    background: var(--gt-destructive-background);
}

.exercise-player__provided {
    margin: 0.75rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
}

.exercise-player__provided span {
    color: var(--gt-foreground);
    font-weight: 600;
}

.exercise-player__hints {
    margin-top: 1rem;
    font-size: 0.75rem;
}

.exercise-player__hints summary {
    color: var(--gt-primary);
    cursor: pointer;
    font-weight: 500;
}

.exercise-player__hints ul {
    padding-left: 1.25rem;
    margin: 0.625rem 0 0;
    color: var(--gt-muted-foreground);
}

.exercise-player__explanation {
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    border-radius: var(--gt-radius);
    background: var(--gt-secondary);
}

.exercise-player__explanation strong {
    font-size: 0.75rem;
}

.exercise-player__explanation p {
    margin: 0.25rem 0 0;
    color: var(--gt-muted-foreground);
    font-size: 0.75rem;
    line-height: 1.55;
}

.exercise-player__check {
    margin-top: 1.25rem;
}

.exercise-player__unsupported {
    color: var(--gt-destructive);
    font-size: 0.8rem;
}

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

@media (max-width: 575.98px) {
    .app-page {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }

    .app-page h1 {
        font-size: 1.5rem;
    }

    .create-exercise__step {
        justify-content: center;
    }

    .create-exercise__step:not(:last-child)::after {
        position: absolute;
        z-index: 0;
        right: -50%;
        width: calc(100% - 2.5rem);
        margin: 0;
    }

    .create-exercise__step-number {
        position: relative;
        z-index: 1;
    }

    .create-exercise__step > span:last-child {
        display: none;
    }

    .create-exercise__form {
        padding: 1.25rem;
    }

    .create-exercise__prompt-actions {
        grid-template-columns: 1fr;
    }

    .create-exercise__preview dl {
        grid-template-columns: 1fr;
    }

    .create-exercise__upload-actions {
        grid-template-columns: 1fr;
    }

    .my-exercises__card {
        align-items: flex-start;
        flex-direction: column;
    }

    .my-exercises__card dl {
        width: 100%;
        justify-content: space-between;
    }

    .exercise-player__header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .exercise-player__progress {
        align-items: flex-start;
    }

    .exercise-player__item {
        padding: 1.25rem;
    }
}