:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-bg: #000000;
    --color-text-muted: #979797;
    --color-primary: #725AC1;
    --color-primary-strong: #684ebf;
    --color-accent: #ca3c25;
    --color-surface: #CAB9DF;
    --radius-lg: 1.5rem;
    --space-2xs: 0.375rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.25rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --transition-fast: 0.2s ease;
    --focus-outline-color: rgba(114, 90, 193, 0.35);
    --loading-pattern-size: 1rem;
}

.loading-fill,
.loading-border {
    position: relative;
    overflow: hidden;
}

.loading-border {
    --loading-border-gap: 4px;
    --loading-border-radius: inherit;
    --loading-inner-bg: transparent;
}

.form-group.loading-border {
    --loading-border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    --loading-inner-bg: var(--color-black);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

#submit-btn.loading-border {
    --loading-border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
    --loading-border-gap: 0;
    --loading-inner-bg: transparent;
}

@keyframes loading-pan {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: var(--loading-pattern-size) 0;
    }
}
body.is-loading {
    cursor: progress;
}

body.is-loading .loading-fill::before,
body.is-loading .loading-border::before {
    content: "";
    position: absolute;
    inset: -200%;
    background-image: url('loading.svg');
    background-repeat: repeat;
    background-size: var(--loading-pattern-size) var(--loading-pattern-size);
    background-position: 0 0;
    animation: loading-pan 0.6s linear infinite;
    pointer-events: none;
}

body.is-loading .loading-fill::before {
    z-index: 21;
    opacity: 0.85;
}

body.is-loading .loading-fill > * {
    position: relative;
    z-index: 22;
    opacity: 0;
}

body:not(.is-loading) .loading-fill::before {
    content: none;
}

body:not(.is-loading) .loading-fill > * {
    opacity: 1;
    transition: opacity 0.25s ease;
}

body.is-loading .loading-border::before {
    border-radius: var(--loading-border-radius);
    z-index: 20;
}

body.is-loading .loading-border::after {
    content: "";
    position: absolute;
    inset: var(--loading-border-gap);
    border-radius: var(--loading-border-radius);
    background: var(--loading-inner-bg);
    z-index: 21;
    pointer-events: none;
}

body:not(.is-loading) .loading-border::before,
body:not(.is-loading) .loading-border::after {
    content: none;
}

body.is-loading .loading-border > * {
    position: relative;
    z-index: 22;
}

body.is-loading .form-group label,
body.is-loading .form-group #load-image-btn,
body.is-loading .form-group .char-counter {
    position: absolute;
}

body.is-loading textarea,
body.is-loading #submit-btn {
    cursor: not-allowed;
}

body.is-loading textarea {
    border: 2px solid transparent;
    background-clip: padding-box;
}

body.is-loading #submit-btn {
    color: var(--color-white);
}

body:not(.is-loading) #submit-btn.loading-border {
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.button-reset {
    -webkit-appearance: none;
    appearance: none;
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    cursor: pointer;
}

.focus-ring {
    outline: none;
}

.focus-ring:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--focus-outline-color);
}

.icon-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
}

.icon-link svg {
    width: auto;
    height: 1rem;
    flex-shrink: 0;
}

.link-underline {
    border-bottom: 1px dashed currentColor;
    text-decoration: none;
    transition: color var(--transition-fast), border-bottom-style var(--transition-fast);
}

.link-underline:hover,
.link-underline:focus-visible,
.link-underline:active {
    color: var(--color-white);
    border-bottom-style: solid;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    border: none;
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
    padding: 0.625rem 1rem 0.625rem 0.625rem;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    font: inherit;
    cursor: pointer;
    background: none;
    color: inherit;
}

.btn svg {
    width: auto;
    height: 1rem;
    flex-shrink: 0;
}

.btn-primary {
    background-color: var(--color-primary-strong);
    color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus-visible,
.btn-primary:active {
    background-color: var(--color-white);
    color: var(--color-black);
}

.btn-primary:focus-visible svg,
.btn-primary:active svg {
    color: var(--color-black);
}

html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg);
    color: var(--color-text-muted);
    overflow-x: hidden;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    background: var(--color-bg);
    padding: 0 var(--space-xl);
    box-sizing: border-box;
    color: var(--color-white);
    height: 8rem;
}

.header-inner {
    display: flex;
    align-items: center;
    width: 100%;
    margin: var(--space-xl) 0;
}

.header-spacer {
    flex: 1 1 auto;
    min-height: 0;
}

.header-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    flex: 0 0 14rem;
    color: var(--color-primary);
}

.nav-link {
    display: inline-flex;
    justify-content: flex-end;
    align-items: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link:active,
.nav-link.active {
    color: var(--color-white);
}

.header-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    line-height: 0;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.header-menu-toggle svg {
    width: 4rem;
    height: auto;
    flex-shrink: 0;
}

.header-menu-toggle:focus-visible,
.header-menu-toggle:active,
.header-menu-toggle.is-open {
    color: var(--color-white);
}

@media (hover: hover) {
    .header-menu-toggle:hover {
        color: var(--color-white);
    }
}

.header-menu-toggle.is-app-section {
    mix-blend-mode: difference;
    color: var(--color-white);
}

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

main {
    flex: 1 0 auto;
}

.canvas {
    position: relative;
    border-bottom-right-radius: var(--radius-lg);
    overflow: hidden;
}

canvas {
    border-bottom-right-radius: var(--radius-lg);
    display: block;
}

#webgl-canvas {
    position: relative;
    z-index: 998;
}

.header-logo {
    position: fixed;
    top: 1.7rem;
    left: 1.5rem;
    z-index: 1000;
    display: flex;
    width: 4rem;
    color: var(--color-primary);
}

.header-logo svg {
    width: 100%;
    height: auto;
    color: inherit;
    fill: currentColor;
    stroke: currentColor;
}

.header-logo svg use {
    fill: currentColor;
}

.header-logo a {
    display: inline-flex;
    width: 100%;
    color: inherit;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.header-logo a:focus-visible {
    color: var(--color-white);
}

@media (hover: hover) {
    .header-logo a:hover {
        color: var(--color-white);
    }
}

.header-logo a:active,
.header-logo a.active {
    color: var(--color-white);
}

.header-logo.active {
    mix-blend-mode: difference;
    color: var(--color-white);
}

.header-logo.active a:focus-visible {
    color: var(--color-white);
}

@media (hover: hover) {
    .header-logo.active a:hover {
        color: var(--color-white);
    }
}

@media (min-aspect-ratio: 16/10) {
    .app {
        display: flex;
        height: 100vh;
        align-items: flex-start;
    }

    .canvas {
        flex: 0 0 auto;
        width: 100vh;
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    canvas {
        width: 100vh;
        height: 100vh;
    }

    .app-form {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        height: 100vh;
        padding: var(--space-xl);
        box-sizing: border-box;
    }

    .app-form form {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        margin: 0;
        padding: 0;
    }
}

@media not (min-aspect-ratio: 16/10) {
    .site-header {
        z-index: 999;
        height: auto;
        padding: 0 var(--space-xl) var(--space-2xl);
        transform: translateY(-110%);
        transition: transform 0.3s ease;
        pointer-events: none;
    }

    body.menu-open .site-header {
        transform: translateY(0);
        pointer-events: auto;
    }

    .header-inner {
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        width: 100%;
        margin: 0;
        padding-top: 8rem;
        gap: var(--space-2xl);
    }

    .header-spacer {
        display: none;
    }

    .header-menu-toggle {
        display: inline-flex;
        position: fixed;
        top: 1.7rem;
        right: var(--space-xl);
        z-index: 1000;
    }

    body.menu-open .header-menu-toggle {
        color: var(--color-white);
    }

    .header-actions {
        width: 100%;
        flex: none;
        align-items: flex-start;
        gap: var(--space-xl);
    }

    body:not(.menu-open) .header-actions {
        display: none;
    }

    body.menu-open .header-actions {
        display: flex;
    }

    .header-actions .nav-link {
        justify-content: flex-start;
    }

    .app {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .canvas {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    canvas {
        width: 100vw;
        height: 100vw;
    }

    .app-form {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: var(--space-xl);
        box-sizing: border-box;
    }

    .app-form form {
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        margin: 0;
        padding: 0;
    }
}

form {
    margin: 0;
    padding: 0;
    border: none;
    border-radius: var(--radius-lg);
    width: 100%;
    background-color: transparent;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.form-group {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

label {
    position: absolute;
    top: 10px;
    left: 10px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: 0.2s ease all;
}

textarea {
    display: block;
    width: 100%;
    height: 100%;
    padding: 10px;
    padding-bottom: 60px;
    border: 2px solid var(--color-primary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    resize: none;
    background-color: var(--color-black);
    color: var(--color-white);
    outline: none;
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
    overflow: hidden;
}

textarea:disabled {
    color: var(--color-text-muted);
}

textarea:focus {
    border-color: var(--color-white);
}

textarea:focus + label,
textarea:not(:placeholder-shown) + label {
    opacity: 0;
    visibility: hidden;
}

#load-image-btn {
    position: absolute;
    bottom: var(--space-sm);
    left: var(--space-lg);
    color: var(--color-text-muted);
}

#load-image-btn:hover,
#load-image-btn:focus-visible,
#load-image-btn:active {
    color: var(--color-white);
}

#load-image-btn.has-image {
    color: var(--color-primary);
}

#load-image-btn.has-image:hover,
#load-image-btn.has-image:focus-visible,
#load-image-btn.has-image:active {
    color: var(--color-accent);
}

.char-counter {
    position: absolute;
    bottom: var(--space-sm);
    right: var(--space-md);
    color: var(--color-text-muted);
}

#submit-btn {
    width: 9rem;
}

html[lang="es"] #submit-btn {
    width: 8rem;
}

html[lang="uk"] #submit-btn {
    width: 11rem;
}

#submit-btn:disabled {
    opacity: 0.65;
}

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

.site-header a {
    color: inherit;
}

.how-it-works {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
}

.svg-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.how-it-works-content {
    z-index: 1;
    text-align: center;
    color: var(--color-black);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.how-it-works-content ul {
    list-style-position: inside;
    padding-left: 0;
    margin: -0.2rem auto 0;
    text-align: left;
    display: inline-block;
}

.how-it-works-content li {
    margin-bottom: 0.5rem;
}

.contact {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--color-white);
    padding: var(--space-xl);
}

.contact-avatar {
    width: 11rem;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
    display: block;
    margin: 1rem 0;
}

#email {
    margin-bottom: var(--space-md);
}

footer {
    padding-top: var(--space-xl);
    padding-left: var(--space-xl);
    min-height: 3rem;
    color: var(--color-text-muted);
    font-size: 1rem;
    display: flex;
    align-items: flex-end;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-top: auto;
}

.language-selector {
    margin-left: auto;
    padding: 0;
    min-width: 9rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: visible;
    --language-options-max-height: 6.77rem;
    transition: transform var(--transition-fast);
}

.language-selector__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg) 0 0 0;
    background-color: var(--color-primary-strong);
    color: var(--color-white);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    text-align: right;
}

.language-selector:not(.is-open):focus-within .language-selector__toggle,
.language-selector__toggle:focus-visible,
.language-selector.is-open .language-selector__toggle {
    background-color: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
}

@media (hover: hover) {
    .language-selector:not(.is-open):hover .language-selector__toggle,
    .language-selector__toggle:hover {
        background-color: var(--color-white);
        border-color: var(--color-white);
        color: var(--color-black);
    }
}

.language-selector__icon {
    display: inline-flex;
    align-items: center;
}

.language-selector__icon svg {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-fast);
}

.language-selector.is-open .language-selector__icon svg {
    transform: rotate(180deg);
}


.language-selector.is-open {
    transform: translateY(calc(-1 * var(--language-options-max-height)));
}


.language-selector__options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    max-height: 0;
    pointer-events: none;
    overflow: hidden;
    visibility: hidden;
    z-index: 10;
    background-color: transparent;
    color: var(--color-white);
    align-items: stretch;
    transition: opacity var(--transition-fast), max-height var(--transition-fast), visibility var(--transition-fast);
}

.language-selector.is-open .language-selector__options {
    opacity: 1;
    max-height: var(--language-options-max-height);
    pointer-events: auto;
    visibility: visible;
}

.language-selector__option {
    text-align: center;
    padding: var(--space-xs) var(--space-lg);
    background-color: var(--color-primary-strong);
    color: var(--color-white);
    border: none;
    border-radius: 0;
    width: 100%;
    display: block;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.language-selector__option:focus-visible,
.language-selector__option:active {
    background-color: var(--color-white);
    color: var(--color-black);
}

@media (hover: hover) {
    .language-selector__option:hover {
        background-color: var(--color-white);
        color: var(--color-black);
    }
}

.language-selector__option.is-active {
    background-color: var(--color-white);
    color: var(--color-black);
}

h1, h2 {
    font-size: 2rem;
}

h1, h2, h3 {
    font-weight: normal;
    font-style: normal;
}

h3 {
    margin: 0.3rem 0;
    font-size: 1.7rem;
}

p, span, textarea, label, button {
    font-weight: normal;
    font-style: normal;
    font-size: 1em;
}