/* card chrome lives on the static wrapper so the status row renders inside it */
.editor-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    min-width: 0;
    min-height: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: clamp(0.75rem, 2vw, 1.25rem);
}

.text-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    min-width: 0;
    min-height: 0;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.2) transparent;
}

.text-editor::-webkit-scrollbar {
    width: 6px;
}

.text-editor::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 3px;
}

.text-editor::-webkit-scrollbar-track {
    background: transparent;
}

.editor-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 0;
    container-type: inline-size;
}

.page-content {
    flex: 1 1 auto;  /* flex-basis 0 breaks the resize grip */
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    font-family: var(--font-family);
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.2s ease;
    min-height: 200px;
    box-sizing: border-box;
    min-width: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.page-content:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.page-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.25rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    position: relative;
}

/* both nav buttons disabled means a single page: drop the pagination, find keeps the bar */
.page-navigation:has(.prev-btn:disabled):has(.next-btn:disabled) .pagination {
    display: none;
}

.page-navigation:has(.prev-btn:disabled):has(.next-btn:disabled) .find-menu {
    position: static;
    transform: none;
    margin-left: auto;
}

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

.pagination button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.pagination button:hover:not(:disabled) {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--fg-color);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-light);
    font-size: 0.875rem;
    min-width: 100px;
    justify-content: center;
}

.page-jump {
    width: 3.2rem;
    padding: 0.2rem 0.3rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    font-size: 0.875rem;
    text-align: center;
}

.page-jump:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.find-menu {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
}

.find-toggle {
    list-style: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    line-height: 1;
    color: var(--text-light);
    padding: 0.3rem 0.45rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
}

.find-toggle::-webkit-details-marker {
    display: none;
}

.find-toggle:hover,
.find-menu[open] .find-toggle {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--fg-color);
    color: var(--text);
}

.find-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 0.35rem);
    z-index: 30;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    width: 230px;
    padding: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.find-panel input {
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    font-size: 0.875rem;
}

.find-panel input:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.find-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* own line with reserved height, so a changing count never moves the buttons */
.find-count {
    min-height: 1em;
    color: var(--text-light);
    font-size: 0.75rem;
    white-space: nowrap;
}

.find-actions button {
    flex: 1;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8125rem;
    transition: all 0.2s ease;
}

.find-actions button:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--fg-color);
    color: var(--text);
}

/* text buttons absorb the free space so the row fills edge to edge */
.editor-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.file-controls {
    display: flex;
    gap: 0.5rem;
    flex: 1;
}

.upload-btn,
.clear-btn {
    flex: 1;
    text-align: center;
}

.upload-btn,
.clear-btn,
.format-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 0.4rem 0.9rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    white-space: nowrap;
}

.upload-btn:hover,
.clear-btn:hover,
.format-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--fg-color);
    color: var(--text);
}

.chars-per-page {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chars-input {
    width: 70px;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    font-size: 0.875rem;
    text-align: center;
}

.chars-input:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.chars-label {
    color: var(--text-light);
    font-size: 0.875rem;
    white-space: nowrap;
}

/* counter left, messages right; wraps at high zoom */
.editor-status-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 1rem;
}

.editor-status-row .char-count {
    margin-right: auto;
    padding-left: calc(0.9rem + 1px);
}

.char-count {
    color: var(--text-light);
    font-size: 0.875rem;
    white-space: nowrap;
}

.read-along-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 0.25rem 0.6rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    font-size: 0.8125rem;
    white-space: nowrap;
}

.read-along-btn::after {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.4;
}

.read-along-btn:disabled {
    opacity: 0.55;
    cursor: default;
}

/* ready matches the generate button, black border and green dot mean on */
.read-along-btn:not(:disabled) {
    background: var(--fg-color);
    border-color: var(--fg-color);
    color: #fff;
}

.read-along-btn:not(:disabled):not(.is-active):hover {
    background: #7b82f4;
    border-color: #7b82f4;
}

.read-along-btn.is-active {
    border-color: #0f172a;
    box-shadow: inset 0 0 0 1px #0f172a;
}

.read-along-btn.is-active::after {
    background: #6ee7b7;
    opacity: 1;
    animation: read-along-pulse 5s ease-in-out infinite;
}

@keyframes read-along-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 5px rgba(110, 231, 183, 0.5); }
    50% { opacity: 0.55; box-shadow: none; }
}

.page-navigation .read-along-btn {
    position: absolute;
    left: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
}

#text-editor.read-along-active .read-along-btn {
    position: static;
    transform: none;
    margin-right: auto;
}

#text-editor.read-along-active .page-content,
#text-editor.read-along-active .editor-footer,
#text-editor.read-along-active .pagination,
#text-editor.read-along-active .find-menu {
    display: none;
}

@container (max-width: 480px) {
    .page-navigation {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 0.25rem;
    }

    .page-navigation .read-along-btn {
        position: static;
        transform: none;
        order: 1;
    }

    .find-menu {
        position: static;
        transform: none;
        order: 2;
    }

    .pagination {
        order: 3;
        flex: 1 1 100%;
        justify-content: center;
    }
}

/* stands in for the editor view, so it mirrors the textarea chrome */
.read-along-view {
    flex: 1 1 auto;
    min-height: 200px;
    overflow-y: auto;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.2) transparent;
    scroll-padding-block: 25% 45%;
}

.read-along-view::-webkit-scrollbar {
    width: 6px;
}

.read-along-view::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 3px;
}

/* offscreen paragraphs skip layout and paint, so book-length texts stay cheap */
.read-paragraph {
    content-visibility: auto;
    contain-intrinsic-size: auto none auto 4rem;
}

.read-paragraph.gap {
    margin-bottom: 1.6em;
}

.read-sentence {
    border-radius: 0.2rem;
    transition: background-color 0.15s ease;
}

.read-sentence:not(.silent) {
    cursor: pointer;
}

.read-sentence:not(.silent):hover {
    background: rgba(99, 102, 241, 0.12);
}

.read-sentence.is-active {
    background: rgba(99, 102, 241, 0.35);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.7);
    /* wrapped lines each get their own ring instead of one broken box */
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

@media (max-width: 900px) {
    .text-editor {
        overflow: visible;
    }

    .page-content {
        min-height: 260px;
    }

    /* the page scrolls on narrow layouts, so the view needs its own cap to scroll inside */
    .read-along-view {
        min-height: 260px;
        max-height: 60dvh;
    }

    .editor-footer,
    .chars-per-page,
    .file-controls {
        gap: 0.4rem;
    }

    .editor-footer {
        justify-content: flex-start;
    }

    .file-controls {
        flex: 0 1 auto;
    }

    .upload-btn,
    .clear-btn,
    .format-btn {
        padding: 0.35rem 0.5rem;
        font-size: 0.8125rem;
    }

    .chars-input {
        width: 56px;
        padding: 0.25rem 0.2rem;
        font-size: 0.8125rem;
    }

    .chars-label {
        font-size: 0.8125rem;
    }

    .editor-status-row {
        gap: 0.25rem 0.6rem;
    }

    .editor-status-row .char-count {
        padding-left: 0;
    }

    .char-count {
        font-size: 0.75rem;
    }

    .streaming-notice {
        font-size: 0.6875rem;
    }
}

@media (max-width: 400px) {
    .editor-footer,
    .chars-per-page,
    .file-controls {
        gap: 0.3rem;
    }

    .upload-btn,
    .clear-btn,
    .format-btn {
        padding: 0.35rem 0.4rem;
    }

    .chars-input {
        width: 50px;
    }
}