* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --brand: #69b5fb;
    --brand-light: #cfe2ff;
    --text-main: #1f2933;
    --text-muted: #50606f;
    --panel-bg: #ffffff;
    --page-bg: #f6f8fc;
    --border: #dbe5f3;
    --shadow: 0 10px 30px rgba(47, 75, 120, 0.12);
}

body {
    background: var(--page-bg);
    color: var(--text-main);
    min-height: 100vh;
}

p {
    margin-bottom: 1em;
}

.page {
    margin: 0 auto;
    padding: 32px 20px 48px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.logo {
    width: auto;
    height: 96px;
}

.hero h1 {
    font-size: 38px;
    font-weight: 800;
    color: var(--brand);
}

.hero .lead {
    max-width: 780px;
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.6;
    word-break: keep-all;
}

.updates {
    width: min(780px, 100%);
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
    box-shadow: var(--shadow);
    text-align: left;
}

.updates h2 {
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--brand);
}

.updates ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-muted);
    line-height: 1.6;
}

.updates li + li {
    margin-top: 4px;
}

.lead a {
    color: var(--brand);
    font-weight: 700;
    text-decoration: none;
}

.workspace {
    display: grid;
    grid-template-columns: minmax(420px, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 24px;
}

.input-panel {
    min-width: 420px;
}

.preview-panel {
    min-width: 0;
    align-items: stretch;
}

.panel {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel2 {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel-header {
    font-weight: 700;
    color: var(--brand);
    font-size: 18px;
}

.panel-subheader {
    font-weight: 800;
    font-size: 15px;
}

textarea {
    width: 100%;
    min-height: 420px;
    padding: 16px;
    font-size: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.7;
    background: #fbfcff;
}

textarea:focus {
    outline: 2px solid var(--brand-light);
    border-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(111, 169, 255, 0.25);
}

.editor-shell {
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: #fbfcff;
}

.editor-shell .tox.tox-tinymce {
    border: none;
    box-shadow: none;
}

.editor-shell .tox-menubar {
    display: none;
}

.editor-shell.is-narrow .tox-toolbar,
.editor-shell.is-narrow .tox-toolbar__primary {
    display: none;
}

.editor-shell.is-narrow .tox-menubar {
    display: flex;
}

.editor-shell .tox-editor-header,
.editor-shell .tox-toolbar,
.editor-shell .tox-toolbar__primary {
    background: #f6f8fc;
}

.editor-shell .tm-toolbar-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-left: 6px;
    margin-right: 6px;
    white-space: nowrap;
}

.editor-shell .tox .tox-tbtn svg {
    fill: var(--text-muted);
}

@media (max-width: 1200px) {
    .tox .tox-promotion-link {
        width: 26px;
        padding-left: 4px!important;
        padding-right: 4px!important;
        overflow: hidden;
    }
}

.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.controls-grid {
    align-items: stretch;
    gap: 14px;
}

.control {
    flex: 1;
    min-width: 180px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

.control > span {
    text-align: right;
    min-width: 80px;
}

.control-input {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.control input[type="number"] {
    flex: 1;
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
}

.control select {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    background: #fff;
}

.control.control-checkbox {
    justify-content: flex-start;
    gap: 10px;
}

.control.control-checkbox > span {
    text-align: left;
    min-width: 0;
}

.control.control-checkbox .control-input {
    flex: 0 0 auto;
}

.control.control-checkbox.control-checkbox--with-note {
    align-items: flex-start;
}

.control.control-checkbox.control-checkbox--with-note > span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.control input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.file-input input[type="file"] {
    width: 100%;
}

.page-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.page-chip {
    min-width: 44px;
    min-height: 38px;
    padding: 6px 10px;
    font-size: 13px;
    line-height: 1;
}

.page-chip.active {
    color: #fff;
    background: var(--brand);
    border-color: var(--brand);
}

.page-chip.active:hover {
    background: #58a7ef;
    border-color: #58a7ef;
}

button.primary {
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 10px 20px rgba(47, 75, 120, 0.18);
}

button.primary:hover {
    background: var(--brand-light);
    transform: translateY(-1px);
}

button.primary:active {
    transform: translateY(0);
}

button.ghost {
    background: #ffffff;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    box-shadow: none;
}

button.ghost.small {
    padding: 6px 10px;
    font-size: 12px;
}

.control-note {
    margin-top: -6px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.control-inline-note {
    display: block;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.45;
}

button.ghost:hover {
    background: #f3f6fb;
}

button.ghost:active {
    background: #e5ebf6;
}

button.ghost.danger {
    color: #b23b3b;
    border-color: #e7c7c7;
    background: #fff8f8;
}

button.ghost.danger:hover {
    background: #ffecec;
    border-color: #e0b1b1;
}

.preview-viewport {
    width: 100%;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

.preview-shell {
    position: relative;
    display: flex;
    justify-content: center;
    align-self: center;
    max-width: 100%;
    overflow: hidden;
}

/*noinspection CssUnresolvedCustomProperty*/
.preview {
    --height: 1000px;
    --aspect-ratio: 4/5;
    position: absolute;
    top: 0;
    left: 0;
    background: var(--background-color, #fff);
    background-image: var(--background-image, none);
    background-size: var(--background-size, cover);
    background-repeat: no-repeat;
    background-position: center;
    overflow: hidden;
    transform-origin: left top;
    width: var(--slide-width);
    height: var(--height);
    aspect-ratio: var(--aspect-ratio);
}

/*noinspection CssUnresolvedCustomProperty*/
.preview-inner {
    position: absolute;
    column-width: var(--slide-width);
    column-gap: calc(var(--padding-x, var(--padding)) * 2);
    font-family: var(--font-family, inherit);
    font-size: var(--font-size);
    line-height: var(--line-height);
    letter-spacing: var(--letter-spacing);
    color: var(--text-color, #1f2933);
    padding: var(--padding-top, var(--padding)) var(--padding-right, var(--padding)) var(--padding-bottom, var(--padding)) var(--padding-left, var(--padding));
    width: var(--slide-width);
    height: var(--height);
    aspect-ratio: var(--aspect-ratio);
    left: calc(var(--slide-width) * -1 * (var(--current-slide) - 1));
    transition: left 0.1s ease;
}

.preview-inner .js-content * {
    text-align: var(--document-text-align, left);
    direction: var(--document-direction, ltr);
    unicode-bidi: var(--document-unicode-bidi, normal);
    word-break: var(--document-word-break, keep-all);
}

.preview-inner .js-content .tm-word-break--global,
.preview-inner .js-content .tm-word-break--global * {
    word-break: var(--document-word-break, keep-all);
}

.preview-inner .js-content .tm-word-break--word,
.preview-inner .js-content .tm-word-break--word * {
    word-break: keep-all;
}

.preview-inner .js-content .tm-word-break--char,
.preview-inner .js-content .tm-word-break--char * {
    word-break: normal;
}

.preview-inner {
    /*noinspection CssUnresolvedCustomProperty*/
    & p, & h1, & h2, & h3, & div {
        margin: 0 0 var(--paragraph-spacing) 0;
        text-indent: var(--text-indent);
    }
}

.logo-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 120px;
    height: 120px;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: top left;
    pointer-events: none;
}

.page-number-layer {
    position: absolute;
    z-index: 2;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
}

@media (max-width: 1024px) {
    .workspace {
        grid-template-columns: minmax(0, 1fr);
    }

    .panel,
    .panel2 {
        width: 100%;
    }

    .input-panel {
        min-width: 0;
    }

    .preview-shell {
        padding: 6px;
    }

    .preview {
        margin: 0 auto;
    }

    .preview-shell {
        padding: 6px;
    }
}

.flex {
    display: flex;
    gap: 10px;
}

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

@media (max-width: 599px) {
    .max-md\:mb-4 {
        margin-bottom: 1rem;
    }
}
@media (min-width: 600px) {
    .right-control {
        display: flex;
        gap: 10px;
    }
}