:root {
    --pico-font-size: 95%;
    --pico-typography-spacing-vertical: 1rem;
}

body {
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.app-container {
    display: flex;
    height: 100%;
    padding: 0;
    gap: 0;
}

.main-content {
    position: relative;
    flex-grow: 1;
    display: grid;
    place-items: center;
    padding: 1rem;
    background-color: var(--pico-secondary-background);
    min-width: 0;
}

#editor-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--pico-border-radius);
    box-shadow: var(--pico-card-box-shadow);
}

.sidebar {
    width: 430px;
    flex-shrink: 0;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    border-left: 1px solid rgba(137, 142, 159, 0.25);
}

.brand-title {
    margin: 0 0 1rem;
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, #8e2de2, #4a00e0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sidebar header nav ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding: 0;
    margin-bottom: 1.5rem;
}

.sidebar header nav button,
.sidebar header nav label {
    font-size: 0.8em;
    padding: 0.5rem 0.25rem;
    text-align: center;
    margin: 0;
}

.theme-switcher {
    text-align: center;
    display: block;
    margin-bottom: 1rem;
}

.slider-control label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
    font-size: 0.9em;
}

.slider-control input[type="range"] {
    margin: 0;
}

details summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

button.reset-group {
    --pico-font-size: 0.75rem;
    --pico-padding: 0.2rem 0.5rem;
    width: auto;
    margin: 0;
}

#canvas-wrapper {
    width: 100%;
    height: 100%;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

#editor-canvas {
    max-width: none;
    max-height: none;
    flex-shrink: 0;
}

#zoom-controls {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    align-items: center;
    background-color: var(--pico-card-background-color);
    padding: 0.5rem 1rem;
    border-radius: var(--pico-border-radius);
    box-shadow: var(--pico-card-box-shadow);
    z-index: 10;
}

#zoom-controls button {
    margin: 0;
    --pico-padding: 0.5rem;
    font-weight: bold;
}

#zoom-level {
    font-size: 0.9em;
    min-width: 50px;
    text-align: center;
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: 50vh;
        border-left: none;
        border-top: 1px solid rgba(137, 142, 159, 0.25);
        padding: 1rem;
    }

    .brand-title {
        display: none;
    }

    .sidebar header {
        padding-bottom: 0.5rem;
    }
}