/* Component design tokens. Themes and builders can override these on .simple-browser-tts-player. */
.simple-browser-tts-player {
    --simple-browser-tts-bg: Canvas;
    --simple-browser-tts-border: ButtonBorder;
    --simple-browser-tts-text: CanvasText;
    --simple-browser-tts-muted: GrayText;
    --simple-browser-tts-accent: LinkText;
    --simple-browser-tts-accent-text: Canvas;
    --simple-browser-tts-error: #b32d2e;
    --simple-browser-tts-padding: 0.75rem 1rem;
    --simple-browser-tts-radius: 0.5rem;
    --simple-browser-tts-gap: 0.5rem;
    --simple-browser-tts-font-size: 0.9375rem;
    --simple-browser-tts-line-height: 1.4;
    --simple-browser-tts-btn-padding: 0.5rem 0.875rem;
    --simple-browser-tts-btn-radius: 0.375rem;
    --simple-browser-tts-btn-min-height: 2.75rem;

    box-sizing: border-box;
    display: block;
    width: 100%;
    max-width: 100%;
    margin-block: 1.25rem;
    padding: var(--simple-browser-tts-padding);
    background-color: var(--simple-browser-tts-bg);
    border: 1px solid var(--simple-browser-tts-border);
    border-radius: var(--simple-browser-tts-radius);
    color: var(--simple-browser-tts-text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: var(--simple-browser-tts-font-size);
    line-height: var(--simple-browser-tts-line-height);
}

@supports (color: color-mix(in srgb, black, white)) {
    .simple-browser-tts-player {
        --simple-browser-tts-bg: color-mix(in srgb, Canvas 92%, CanvasText 8%);
        --simple-browser-tts-border: color-mix(in srgb, CanvasText 18%, transparent);
        --simple-browser-tts-muted: color-mix(in srgb, CanvasText 65%, transparent);
    }

    .simple-browser-tts-player.is-playing {
        --simple-browser-tts-border: color-mix(in srgb, var(--simple-browser-tts-accent) 40%, transparent);
    }
}

.simple-browser-tts-player,
.simple-browser-tts-player *,
.simple-browser-tts-player *::before,
.simple-browser-tts-player *::after {
    box-sizing: border-box;
}

.simple-browser-tts-player .simple-browser-tts-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--simple-browser-tts-gap);
}

.simple-browser-tts-player .simple-browser-tts-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    min-height: var(--simple-browser-tts-btn-min-height);
    margin: 0;
    padding: var(--simple-browser-tts-btn-padding);
    border: 1px solid var(--simple-browser-tts-border);
    border-radius: var(--simple-browser-tts-btn-radius);
    background-color: transparent;
    color: var(--simple-browser-tts-text);
    font: inherit;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.simple-browser-tts-player .simple-browser-tts-button:hover,
.simple-browser-tts-player .simple-browser-tts-button:focus-visible {
    background-color: rgb(127 127 127 / 10%);
    border-color: currentColor;
}

@supports (color: color-mix(in srgb, black, white)) {
    .simple-browser-tts-player .simple-browser-tts-button:hover,
    .simple-browser-tts-player .simple-browser-tts-button:focus-visible {
        background-color: color-mix(in srgb, var(--simple-browser-tts-text) 8%, transparent);
        border-color: color-mix(in srgb, var(--simple-browser-tts-text) 30%, transparent);
    }
}

.simple-browser-tts-player .simple-browser-tts-button:focus-visible,
.simple-browser-tts-player .simple-browser-tts-rate:focus-visible {
    outline: 2px solid var(--simple-browser-tts-accent);
    outline-offset: 2px;
}

.simple-browser-tts-player .simple-browser-tts-button[hidden] {
    display: none !important;
}

.simple-browser-tts-player .simple-browser-tts-button.simple-browser-tts-action {
    background-color: var(--simple-browser-tts-accent);
    border-color: var(--simple-browser-tts-accent);
    color: var(--simple-browser-tts-accent-text);
}

.simple-browser-tts-player .simple-browser-tts-button.simple-browser-tts-action:hover,
.simple-browser-tts-player .simple-browser-tts-button.simple-browser-tts-action:focus-visible {
    background-color: var(--simple-browser-tts-accent);
    border-color: var(--simple-browser-tts-accent);
    color: var(--simple-browser-tts-accent-text);
    filter: brightness(0.9);
}

@supports (color: color-mix(in srgb, black, white)) {
    .simple-browser-tts-player .simple-browser-tts-button.simple-browser-tts-action:hover,
    .simple-browser-tts-player .simple-browser-tts-button.simple-browser-tts-action:focus-visible {
        background-color: color-mix(in srgb, var(--simple-browser-tts-accent) 85%, black);
        border-color: color-mix(in srgb, var(--simple-browser-tts-accent) 85%, black);
        filter: none;
    }
}

.simple-browser-tts-player .simple-browser-tts-icon {
    display: block;
    flex: 0 0 auto;
    width: 1.25em;
    height: 1.25em;
    overflow: visible;
    pointer-events: none;
}

.simple-browser-tts-player .simple-browser-tts-rate-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    margin: 0;
    font: inherit;
}

.simple-browser-tts-player .simple-browser-tts-rate {
    min-height: var(--simple-browser-tts-btn-min-height);
    margin: 0;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--simple-browser-tts-border);
    border-radius: var(--simple-browser-tts-btn-radius);
    background-color: var(--simple-browser-tts-bg);
    color: var(--simple-browser-tts-text);
    font: inherit;
    line-height: 1.2;
    cursor: pointer;
    appearance: auto;
}

.simple-browser-tts-player .screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (prefers-reduced-motion: reduce) {
    .simple-browser-tts-player .simple-browser-tts-button {
        transition: none;
    }
}

@media (forced-colors: active) {
    .simple-browser-tts-player .simple-browser-tts-button,
    .simple-browser-tts-player .simple-browser-tts-rate {
        border-color: ButtonBorder;
    }

    .simple-browser-tts-player .simple-browser-tts-button.simple-browser-tts-action {
        background-color: Highlight;
        color: HighlightText;
        filter: none;
        forced-color-adjust: auto;
    }
}

/* Persistent control affordance and visible playback feedback. */
.simple-browser-tts-player .simple-browser-tts-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: none;
}

.simple-browser-tts-player .simple-browser-tts-button:disabled:hover,
.simple-browser-tts-player .simple-browser-tts-button:disabled:focus-visible {
    background-color: transparent;
    border-color: var(--simple-browser-tts-border);
}

.simple-browser-tts-player .simple-browser-tts-feedback {
    display: flex;
    align-items: center;
    min-height: 1.25em;
    margin-top: 0.5rem;
    color: var(--simple-browser-tts-muted);
    font-size: 0.875em;
    line-height: 1.35;
}

.simple-browser-tts-player .simple-browser-tts-activity {
    display: none;
    align-items: center;
    gap: 0.2em;
    margin-inline-end: 0.45em;
}

.simple-browser-tts-player.is-playing .simple-browser-tts-activity,
.simple-browser-tts-player.is-paused .simple-browser-tts-activity {
    display: inline-flex;
}

.simple-browser-tts-player .simple-browser-tts-activity-dot {
    width: 0.32em;
    height: 0.32em;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.45;
}

.simple-browser-tts-player.is-playing .simple-browser-tts-activity-dot {
    animation: simple-browser-tts-pulse 1s ease-in-out infinite;
}

.simple-browser-tts-player.is-playing .simple-browser-tts-activity-dot:nth-child(2) {
    animation-delay: 0.15s;
}

.simple-browser-tts-player.is-playing .simple-browser-tts-activity-dot:nth-child(3) {
    animation-delay: 0.3s;
}

.simple-browser-tts-player.is-paused .simple-browser-tts-activity-dot {
    opacity: 0.7;
}

.simple-browser-tts-player.has-error .simple-browser-tts-feedback {
    color: var(--simple-browser-tts-error);
    font-weight: 600;
}

@supports (color: color-mix(in srgb, black, white)) {
    .simple-browser-tts-player.has-error .simple-browser-tts-feedback {
        color: color-mix(in srgb, CanvasText 75%, var(--simple-browser-tts-error) 25%);
    }
}

@keyframes simple-browser-tts-pulse {
    0%, 100% {
        opacity: 0.35;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(-0.12em);
    }
}

@media (prefers-reduced-motion: reduce) {
    .simple-browser-tts-player.is-playing .simple-browser-tts-activity-dot {
        animation: none;
        opacity: 0.75;
    }
}

@media (forced-colors: active) {
    .simple-browser-tts-player.has-error .simple-browser-tts-feedback {
        color: CanvasText;
    }
}

/* First-use guidance. Kept in normal flow for the first rendered player only. */
.simple-browser-tts-player .simple-browser-tts-help {
    margin: 0.625rem 0 0;
    color: var(--simple-browser-tts-muted);
    font-size: 0.875em;
    line-height: 1.4;
}