body {
    position: relative;
    overflow-x: hidden;
    font-family: var(--font-sans);
    background: var(--page-bg);
    color: var(--text-main);
}

.app__ambient {
    position: fixed;
    inset: auto;
    z-index: -1;
    border-radius: 999px;
    filter: blur(26px);
    pointer-events: none;
}

.app__ambient--primary {
    top: -6rem;
    left: -8rem;
    width: 19rem;
    height: 19rem;
    background: rgba(82, 108, 255, 0.18);
}

.app__ambient--secondary {
    top: 22rem;
    right: -7rem;
    width: 18rem;
    height: 18rem;
    background: rgba(147, 108, 255, 0.18);
}

.app__overlay {
    position: fixed;
    inset: 0;
    z-index: 18;
    background: rgba(8, 12, 24, 0.48);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.app--history-open .app__overlay {
    opacity: 1;
    pointer-events: auto;
}

.app__shell {
    width: min(100%, var(--page-max-width));
    margin: 0 auto;
    padding: 1.25rem;
}

.surface {
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--surface-1), var(--surface-2));
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(16px);
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
}

.brand__mark {
    position: relative;
    width: 3.35rem;
    height: 3rem;
    flex: 0 0 auto;
}

.brand__bubble {
    position: absolute;
    display: grid;
    place-items: center;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 0.85rem;
    background: linear-gradient(135deg, var(--accent-start), #6ca6ff);
    box-shadow: 0 12px 22px rgba(88, 112, 255, 0.28);
    font-family: var(--font-accent);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.brand__bubble--left {
    top: 0;
    left: 0;
}

.brand__bubble--right {
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-end), #4f63ff);
}

.brand__text {
    min-width: 0;
}

.brand__title {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem;
    font-family: var(--font-accent);
    font-size: clamp(1.6rem, 1.2rem + 1.1vw, 2.5rem);
    line-height: 1;
}

.brand__title-accent {
    color: var(--accent-start);
}

.brand__subtitle {
    margin-top: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.header__button,
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    min-height: 3.3rem;
    padding: 0.85rem 1.15rem;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

body[data-theme="dark"] .header__button,
body[data-theme="dark"] .theme-toggle {
    background: rgba(17, 23, 42, 0.78);
}

.header__button:hover,
.theme-toggle:hover,
.header__button:focus-visible,
.theme-toggle:focus-visible,
.translator__swap:hover,
.translator__swap:focus-visible,
.translator__submit:hover,
.translator__submit:focus-visible,
.pane__icon-button:hover,
.pane__icon-button:focus-visible,
.history-panel__clear:hover,
.history-panel__clear:focus-visible,
.history-panel__close:hover,
.history-panel__close:focus-visible,
.language-selector__trigger:hover,
.language-selector__trigger:focus-visible,
.language-selector__option:hover,
.language-selector__option:focus-visible,
.history-card:hover,
.history-card:focus-visible,
.footer__link:hover,
.footer__link:focus-visible {
    transform: translateY(-1px);
    border-color: var(--accent-border);
}

.theme-toggle {
    padding-inline: 0.9rem;
}

.theme-toggle__track {
    position: relative;
    width: 3.2rem;
    height: 1.9rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(70, 94, 255, 0.16), rgba(118, 72, 255, 0.2));
}

.theme-toggle__thumb {
    position: absolute;
    top: 0.18rem;
    left: 0.18rem;
    width: 1.52rem;
    height: 1.52rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    box-shadow: 0 8px 16px rgba(84, 96, 255, 0.3);
    transition: transform var(--transition-slow);
}

body[data-theme="dark"] .theme-toggle__thumb {
    transform: translateX(1.3rem);
}

.theme-toggle__icon {
    color: var(--text-secondary);
}

.app__main {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.app__layout {
    display: grid;
    gap: 1.2rem;
}

.translator__card {
    padding: 1rem;
}

.translator__topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.translator__selector {
    min-width: 0;
}

.translator__swap {
    display: inline-grid;
    place-items: center;
    width: 3.75rem;
    height: 3.75rem;
    border: 1px solid var(--border-soft);
    border-radius: 1.4rem;
    background: linear-gradient(135deg, rgba(88, 96, 255, 0.09), rgba(122, 92, 255, 0.15));
    color: var(--accent-end);
    font-size: 1.4rem;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), border-color var(--transition-base), opacity var(--transition-base);
}

.translator__panes {
    display: grid;
    gap: 1rem;
}

.pane {
    display: flex;
    flex-direction: column;
    min-height: var(--panel-min-height);
    padding: 1.15rem;
    border: 1px solid var(--border-soft);
    border-radius: 1.8rem;
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.7), var(--surface-3));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

body[data-theme="dark"] .pane {
    background: linear-gradient(165deg, rgba(30, 39, 66, 0.8), rgba(25, 33, 58, 0.96));
}

.pane__header,
.pane__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.pane__title {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.pane__textarea,
.pane__result {
    flex: 1 1 auto;
    margin: 0.8rem 0 1rem;
    border: none;
    background: transparent;
    color: var(--text-main);
    font-size: clamp(1.28rem, 1rem + 0.8vw, 2rem);
    line-height: 1.5;
    outline: none;
}

.pane__textarea::placeholder {
    color: var(--text-muted);
}

.pane__result {
    white-space: pre-wrap;
    word-break: break-word;
}

.pane__result[data-empty="true"] {
    color: var(--text-muted);
}

.pane__icon-button,
.history-panel__clear,
.history-panel__close {
    display: inline-grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border: 1px solid var(--border-soft);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.82);
    color: var(--accent-start);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), border-color var(--transition-base), opacity var(--transition-base);
}

body[data-theme="dark"] .pane__icon-button,
body[data-theme="dark"] .history-panel__clear,
body[data-theme="dark"] .history-panel__close {
    background: rgba(24, 33, 58, 0.88);
}

.pane__icon-button--primary {
    color: var(--accent-end);
}

.pane__icon-button.is-active {
    background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    color: #fff;
}

.pane__meta {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pane__counter {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.translator__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding-top: 0.5rem;
}

.translator__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-width: min(100%, 23rem);
    min-height: 3.5rem;
    padding: 0.95rem 1.5rem;
    border-radius: 1.15rem;
    background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.01em;
    box-shadow: 0 18px 34px rgba(98, 86, 255, 0.24);
    transition: transform var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base);
}

.translator__submit.is-loading {
    opacity: 0.78;
}

.translator__privacy-note {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
}

.translator__privacy-note i {
    color: var(--success);
}

.language-selector {
    position: relative;
}

.language-selector__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    min-height: 3.9rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-soft);
    border-radius: 1.2rem;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

body[data-theme="dark"] .language-selector__trigger {
    background: rgba(21, 29, 51, 0.88);
}

.language-selector__trigger-content,
.language-selector__option-content,
.history-card__pair {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.language-selector__flag,
.history-card__flag {
    flex: 0 0 auto;
    width: 1.6rem;
    height: 1.1rem;
    border-radius: 0.32rem;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.history-card__flag--fallback {
    background: linear-gradient(135deg, rgba(102, 118, 170, 0.28), rgba(147, 159, 198, 0.18));
}

.language-selector__label-wrap {
    min-width: 0;
    text-align: left;
}

.language-selector__label,
.history-card__name {
    display: block;
    font-weight: 700;
    color: var(--text-main);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.language-selector__hint,
.history-card__code {
    display: block;
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.language-selector__trigger-icon {
    color: var(--text-secondary);
}

.language-selector__panel {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 0;
    right: 0;
    z-index: 12;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.9rem;
    border: 1px solid var(--border-soft);
    border-radius: 1.35rem;
    background: linear-gradient(160deg, var(--surface-1), var(--surface-2));
    box-shadow: var(--shadow-floating);
}

.language-selector__search {
    width: 100%;
    min-height: 2.9rem;
    padding: 0.75rem 0.95rem;
    border: 1px solid var(--border-soft);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.7);
    color: var(--text-main);
    outline: none;
}

body[data-theme="dark"] .language-selector__search {
    background: rgba(17, 23, 42, 0.82);
}

.language-selector__search:focus-visible,
.history-panel__filter:focus-visible,
.pane__textarea:focus-visible {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 4px rgba(109, 104, 255, 0.14);
}

.language-selector__list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    max-height: 18rem;
    overflow-y: auto;
    padding-right: 0.2rem;
}

.language-selector__option {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid transparent;
    border-radius: 1rem;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.language-selector__option.is-active {
    background: rgba(95, 105, 255, 0.09);
    border-color: var(--accent-border);
}

.language-selector__empty {
    color: var(--text-secondary);
    font-size: 0.94rem;
    text-align: center;
    padding: 0.6rem 0.2rem;
}

.history-panel {
    position: fixed;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 22;
    display: flex;
    flex-direction: column;
    width: auto;
    max-width: 24rem;
    padding: 1rem;
    transform: translateX(calc(100% + 1.6rem));
    transition: transform var(--transition-slow);
}

.app--history-open .history-panel {
    transform: translateX(0);
}

.history-panel__header,
.history-panel__controls {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.history-panel__header {
    justify-content: space-between;
    margin-bottom: 0.9rem;
}

.history-panel__title {
    font-size: 1.5rem;
    font-family: var(--font-accent);
}

.history-panel__controls {
    margin-bottom: 1rem;
}

.history-panel__filter {
    flex: 1 1 auto;
    min-height: 3rem;
    padding: 0.75rem 0.95rem;
    border: 1px solid var(--border-soft);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.84);
    color: var(--text-main);
    outline: none;
}

body[data-theme="dark"] .history-panel__filter {
    background: rgba(17, 23, 42, 0.84);
}

.history-panel__list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    flex: 1 1 auto;
    overflow-y: auto;
}

.history-panel__empty {
    display: grid;
    place-items: center;
    gap: 0.6rem;
    min-height: 12rem;
    color: var(--text-secondary);
    text-align: center;
}

.history-panel__empty i {
    font-size: 1.4rem;
    color: var(--accent-start);
}

.history-card {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0.95rem;
    border: 1px solid var(--border-soft);
    border-radius: 1.2rem;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.72), var(--surface-3));
    box-shadow: var(--shadow-card);
    text-align: left;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

body[data-theme="dark"] .history-card {
    background: linear-gradient(160deg, rgba(23, 31, 56, 0.88), rgba(28, 38, 67, 0.92));
}

.history-card__head,
.history-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.history-card__source,
.history-card__target {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-card__source {
    font-weight: 700;
}

.history-card__target {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.history-card__time {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.features {
    display: grid;
    gap: 1rem;
}

.features__item {
    padding: 1.25rem;
}

.features__icon {
    display: inline-grid;
    place-items: center;
    width: 3.1rem;
    height: 3.1rem;
    margin-bottom: 1rem;
    border-radius: 1rem;
    font-size: 1.3rem;
}

.features__icon--blue {
    background: rgba(78, 110, 255, 0.12);
    color: var(--accent-start);
}

.features__icon--green {
    background: rgba(91, 189, 127, 0.14);
    color: var(--success);
}

.features__icon--amber {
    background: rgba(252, 184, 52, 0.14);
    color: var(--warning);
}

.features__icon--violet {
    background: rgba(140, 102, 255, 0.13);
    color: var(--accent-end);
}

.features__title {
    margin-bottom: 0.55rem;
    font-size: 1.15rem;
    font-family: var(--font-accent);
}

.features__text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 0.4rem 0 0.6rem;
    color: var(--text-secondary);
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1.2rem;
}

.footer__link {
    transition: color var(--transition-base);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 1.4rem;
    z-index: 30;
    max-width: min(90vw, 32rem);
    padding: 0.95rem 1.15rem;
    border: 1px solid var(--accent-border);
    border-radius: 1rem;
    background: rgba(16, 24, 44, 0.92);
    color: #fff;
    box-shadow: var(--shadow-floating);
    transform: translate(-50%, 1.2rem);
    opacity: 0;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.toast.is-visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

.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;
}

button:disabled,
select:disabled,
textarea:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none !important;
}

@keyframes pulse-recording {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(223, 74, 88, 0.3);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(223, 74, 88, 0);
    }
}

.pane__icon-button.is-recording {
    color: #fff;
    background: linear-gradient(135deg, #f05765, #da4962);
    animation: pulse-recording 1.2s infinite;
}