:root {
    --ide-tab-active-text-light: #000000;
    --ide-tab-hover-bg: #e5e5e5;
    --ide-btn-hover-bg: #d4d4d4;
}

[data-theme="dark"] {
    --ide-tab-hover-bg: #2a2d2e;
    --ide-btn-hover-bg: #444444;
}

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.header {
    background-color: var(--c-bg-main);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--c-border);
    font-size: 14px;
    transition: background-color 0.3s;
}

.status {
    color: var(--c-text-sub);
    font-size: 12px;
}

.workspace {
    display: flex;
    flex-grow: 1;
    height: calc(100vh - 40px);
}

.sidebar {
    width: 200px;
    background-color: var(--c-bg-main);
    border-right: 1px solid var(--c-border);
    padding-top: 10px;
    transition: background-color 0.3s;
}

.file-tab {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    cursor: pointer;
    font-size: 14px;
    color: var(--c-text-sub);
}

.file-tab:hover {
    color: var(--c-text-main);
    background-color: var(--ide-tab-hover-bg);
}

.file-tab.active {
    background-color: var(--c-bg-card);
    color: var(--c-text-main);
    border-left: 3px solid var(--c-accent);
    font-weight: bold;
}

.download-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--c-text-sub);
    padding: 2px;
    border-radius: 3px;
}

.download-btn:hover {
    background-color: var(--ide-btn-hover-bg);
    color: var(--c-text-main);
}

#editor-container {
    flex: 1;
    background-color: var(--c-bg-card);
}

#credit {
    margin: 0 auto;
    color: var(--c-text-sub);
    font-size: 11px;
    text-decoration: none;
}

.preview-container {
    flex: 1;
    border-left: 2px solid var(--c-border);
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
}

iframe {
    flex-grow: 1;
    width: 100%;
    border: none;
    background-color: #ffffff;
}
body { height: 100dvh; }
.header { gap: 12px; flex-wrap: wrap; }
.workspace { min-height: 0; height: auto; }
.sidebar { flex: 0 0 170px; }
#editor-container, .preview-container { min-width: 0; min-height: 0; }
.file-select {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    padding: 4px 0;
}
button:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
iframe { min-height: 0; height: 100%; }
@media (max-width: 760px) {
    .workspace { flex-direction: column; }
    .sidebar { display: flex; flex: 0 0 auto; width: auto; padding: 0; border-right: 0; }
    .file-tab { flex: 1; padding: 6px; min-width: 0; gap: 4px; }
    #editor-container { flex: 1; }
    .preview-container { flex: 1; border-left: 0; border-top: 2px solid var(--c-border); }
    #credit { margin: 0; }
}
#editor-container { overflow: hidden; }