:root {
    color-scheme: light dark;
}

html,
body {
    height: 100%;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    display: flex;
    flex-direction: column;
    font-family: "Manrope", sans-serif;
    background-color: #f7f7f7;
    color: #1f1f1f;
    overflow: hidden;
}

body.dark {
    background-color: #121212;
    color: #f5f5f5;
}

.material-symbols-outlined {
    font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
    font-size: 1.4rem;
    line-height: 1;
}

.app-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 0.75rem 1rem;
    gap: 1rem;
}

.app-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.preview-mode {
    justify-self: center;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.preview-mode__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: none;
    background: none;
    color: rgba(31, 31, 31, 0.5);
    cursor: pointer;
    transition: color 0.2s ease;
}

.preview-mode__btn--active {
    color: #4c6ef5;
}

.preview-mode__btn:focus-visible {
    outline: 2px solid #4c6ef5;
    outline-offset: 2px;
}

body.dark .preview-mode__btn {
    color: rgba(245, 245, 245, 0.5);
}

body.dark .preview-mode__btn--active {
    color: #91a7ff;
}

.split-controls {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.split-toggle,
.preview-fullscreen {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: none;
    background: none;
    color: rgba(31, 31, 31, 0.5);
    cursor: pointer;
    transition: color 0.2s ease;
}

.split-toggle:focus-visible,
.preview-fullscreen:focus-visible {
    outline: 2px solid #4c6ef5;
    outline-offset: 2px;
}

.split-toggle:hover,
.preview-fullscreen:hover,
.preview-fullscreen.is-active {
    color: #4c6ef5;
}

.split-toggle__icon {
    display: none;
    width: 1.35rem;
    height: 1.35rem;
}

.split-toggle__icon rect {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linejoin: round;
}

.split-toggle:not(.is-vertical) .split-toggle__icon--horizontal {
    display: block;
}

.split-toggle.is-vertical .split-toggle__icon--vertical {
    display: block;
}

.preview-fullscreen .material-symbols-outlined {
    font-size: 1.35rem;
}

body.dark .split-toggle,
body.dark .preview-fullscreen {
    color: rgba(245, 245, 245, 0.55);
}

body.dark .preview-fullscreen.is-active,
body.dark .split-toggle:hover,
body.dark .preview-fullscreen:hover {
    color: #91a7ff;
}

.workspace {
    flex: 1;
    min-height: 0;
    display: grid;
    --editor-size: 50%;
    --preview-size: 50%;
    --divider-size: 4px;
    grid-template-columns: minmax(0, var(--editor-size)) var(--divider-size) minmax(0, var(--preview-size));
    grid-template-rows: 100%;
    background-color: rgba(31, 31, 31, 0.08);
    overflow: hidden;
}

.workspace[data-orientation="vertical"] {
    grid-template-columns: 100%;
    grid-template-rows: minmax(0, var(--editor-size)) var(--divider-size) minmax(0, var(--preview-size));
}

body.dark .workspace {
    background-color: rgba(245, 245, 245, 0.08);
}

.pane {
    min-width: 0;
    min-height: 0;
    display: flex;
}

.editor-pane {
    grid-column: 1;
    grid-row: 1;
}

.preview-pane {
    grid-column: 3;
    grid-row: 1;
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
}

.workspace[data-orientation="vertical"] .editor-pane {
    grid-column: 1;
    grid-row: 1;
}

.workspace[data-orientation="vertical"] .preview-pane {
    grid-column: 1;
    grid-row: 3;
}

.divider {
    grid-column: 2;
    grid-row: 1;
    background-color: rgba(31, 31, 31, 0.18);
    position: relative;
    touch-action: none;
}

.workspace[data-orientation="vertical"] .divider {
    grid-column: 1;
    grid-row: 2;
}

.divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.7);
}

.workspace[data-orientation="horizontal"] .divider {
    cursor: col-resize;
}

.workspace[data-orientation="horizontal"] .divider::before {
    width: 2px;
    height: 20px;
}

.workspace[data-orientation="vertical"] .divider {
    cursor: row-resize;
}

.workspace[data-orientation="vertical"] .divider::before {
    width: 20px;
    height: 2px;
}

body.dark .divider {
    background-color: rgba(245, 245, 245, 0.2);
}

body.dark .divider::before {
    background-color: rgba(0, 0, 0, 0.35);
}

textarea#htmlInput {
    display: none;
}

.CodeMirror {
    flex: 1;
    height: 100%;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    background-color: transparent;
}

.CodeMirror-scroll {
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(76, 110, 245, 0.6) transparent;
}

.CodeMirror-scroll::-webkit-scrollbar {
    width: 8px;
}

.CodeMirror-scroll::-webkit-scrollbar-thumb {
    background-color: rgba(76, 110, 245, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.CodeMirror-gutters {
    background-color: transparent;
    border-right: none;
}

.preview-stage {
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: #ffffff;
    scrollbar-width: thin;
    scrollbar-color: rgba(76, 110, 245, 0.6) transparent;
}

.preview-stage::-webkit-scrollbar {
    width: 8px;
}

.preview-stage::-webkit-scrollbar-thumb {
    background-color: rgba(76, 110, 245, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

body.dark .preview-stage {
    background-color: #1e1e1e;
}

.workspace[data-preview="mobile"] .preview-stage {
    width: clamp(260px, 70%, 420px);
    margin: 0 auto;
}

#previewFrame {
    border: none;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
}

body.dark #previewFrame {
    background-color: #1e1e1e;
}

@media (max-width: 768px) {
    .app-header {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .app-title {
        justify-self: center;
    }

    .split-controls {
        order: 3;
    }

    .preview-mode {
        order: 2;
    }

    .workspace {
        --divider-size: 3px;
        grid-template-columns: 100%;
        grid-template-rows: minmax(0, var(--editor-size)) var(--divider-size) minmax(0, var(--preview-size));
    }
}