gsender

:root {
    color-scheme: light;
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
}

html.dark {
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 1rem;
    background: #f4f4f5;
    color: #18181b;
}

html.dark body {
    background: #09090b;
    color: #fafafa;
}

.app {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

header h1 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
}

.lede {
    margin: 0;
    color: #71717a;
    font-size: 0.9rem;
}

.layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

@media (max-width: 48rem) {
    .layout {
        grid-template-columns: 1fr;
    }
}

.card {
    padding: 1rem;
    border: 1px solid #e4e4e7;
    border-radius: 0.5rem;
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 0;
    height: 100%;
}

html.dark .card {
    border-color: #27272a;
    background: #18181b;
}

.card h2 {
    margin: 0;
    font-size: 1rem;
}

textarea {
    flex: 1;
    min-height: 14rem;
    padding: 0.5rem;
    border: 1px solid #d4d4d8;
    border-radius: 0.375rem;
    font-family: ui-monospace, monospace;
    font-size: 0.8rem;
    resize: vertical;
    background: #fafafa;
    color: inherit;
}

html.dark textarea {
    border-color: #3f3f46;
    background: #27272a;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

button {
    padding: 0.4rem 0.75rem;
    border: 1px solid #d4d4d8;
    border-radius: 0.375rem;
    background: #fafafa;
    cursor: pointer;
    font: inherit;
    color: inherit;
}

button:hover {
    background: #f4f4f5;
}

html.dark button {
    border-color: #3f3f46;
    background: #27272a;
}

html.dark button:hover {
    background: #3f3f46;
}

.status {
    margin: 0;
    font-size: 0.8rem;
    color: #71717a;
    min-height: 1.2em;
}

.card.preview {
    overflow: hidden;
}

.viewer-container {
    position: relative;
    width: 100%;
    height: 20rem;
    border: 1px solid #e4e4e7;
    border-radius: 0.375rem;
    overflow: hidden;
    background: #020617;
    isolation: isolate;
}

.viewer-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

html.dark .viewer-container {
    border-color: #3f3f46;
}

code {
    font-size: 0.85em;
}