elemes/frontend/src/routes/lesson/[slug]/lesson.css

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/* ── Shared rich-text styles (.prose + .tab-content) ──── */
.tab-content {
font-size: 0.85rem;
padding: 0.75rem 0.5rem;
line-height: 1.65;
}
.tab-heading {
color: var(--color-primary);
font-size: 1.1rem;
margin-top: 0;
}
.prose pre,
.tab-content pre {
background: var(--color-bg-secondary);
padding: 0.75rem;
border-radius: var(--radius);
overflow-x: auto;
}
.prose code,
.tab-content code {
font-family: var(--font-mono);
font-size: 0.85rem;
}
.prose p,
.tab-content p {
margin-bottom: 0.75rem;
}
.prose h2, .prose h3,
.tab-content h2, .tab-content h3 {
margin-top: 1.25rem;
margin-bottom: 0.5rem;
}
.tab-content ul,
.tab-content ol {
margin-bottom: 0.75rem;
padding-left: 1.5rem;
}
.tab-content li {
margin-bottom: 0.25rem;
}
/* ── Two-column layout ─────────────────────────────────── */
.lesson-layout {
display: grid;
grid-template-columns: 3fr 2fr;
gap: 1.5rem;
align-items: start;
}
.lesson-content {
overflow-y: auto;
max-height: 90vh;
padding-right: 0.5rem;
-webkit-user-select: none;
user-select: none;
-webkit-touch-callout: none;
}
/* ── Editor area (docked mode) ──────────────────────────── */
.editor-area {
position: sticky;
top: 3.5rem;
background: var(--color-bg);
border: 1px solid var(--color-border);
border-radius: var(--radius);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
display: flex;
flex-direction: column;
overflow: hidden;
max-height: 85vh;
}
.editor-area .editor-body {
flex: 1;
display: flex;
flex-direction: column;
overflow-y: auto;
padding: 0.5rem;
min-height: 0;
}
/* ── Single-column layout ──────────────────────────────── */
.lesson-layout.single-col {
grid-template-columns: 1fr;
}
.lesson-content.full-width {
max-height: none;
padding-right: 0;
padding-bottom: 60px;
}
/* ── Toolbar ───────────────────────────────────────────── */
.toolbar {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 0.5rem;
flex-wrap: wrap;
}
.btn-secondary {
background: var(--color-bg-secondary);
color: var(--color-text);
border: 1px solid var(--color-border);
}
.btn-secondary:hover {
background: var(--color-border);
}
.btn-run-all {
padding: 0.3rem 0.6rem;
font-size: 0.8rem;
}
.lang-label {
margin-left: auto;
font-size: 0.75rem;
color: var(--color-text-muted);
font-weight: 600;
text-transform: uppercase;
}
.panel {
margin-bottom: 0.75rem;
}
.expected-output {
font-size: 0.8rem;
color: var(--color-text-muted);
}
.expected-output pre {
background: var(--color-bg-secondary);
padding: 0.5rem;
border-radius: var(--radius);
margin-top: 0.5rem;
}
/* ── Floating restore button ────────────────────────────── */
.float-restore-btn {
position: fixed;
bottom: 1rem;
right: 1rem;
z-index: 9999;
background: var(--color-primary);
color: #fff;
border: none;
border-radius: var(--radius);
padding: 0.6rem 1rem;
font-size: 0.85rem;
font-weight: 600;
cursor: pointer;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
transition: background 0.15s, transform 0.1s;
}
.float-restore-btn:hover {
background: var(--color-primary-dark);
}
.float-restore-btn:active {
transform: scale(0.95);
}
/* ── Desktop floating mode ─────────────────────────────── */
.editor-area.floating {
position: fixed;
bottom: 1rem;
right: 1rem;
top: auto;
width: 45vw;
height: 70vh;
min-width: 320px;
max-width: 100vw;
max-height: 100vh;
z-index: 9999;
background: var(--color-bg);
border: 1px solid var(--color-border);
border-radius: var(--radius);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
display: flex;
flex-direction: column;
overflow: hidden;
}
.editor-area.floating-hidden {
display: none !important;
}
/* ── Mobile bottom sheet ──────────────────────────────── */
.editor-area.mobile-sheet {
position: fixed;
top: auto;
bottom: 0;
left: 0;
right: 0;
z-index: 9999;
background: var(--color-bg);
border-top: 2px solid var(--color-primary);
border-radius: 12px 12px 0 0;
box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
display: flex;
flex-direction: column;
overflow: hidden;
transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.2s ease;
}
.editor-area.mobile-hidden {
height: 52px;
}
.editor-area.mobile-half {
height: 60vh;
}
.editor-area.mobile-full {
height: calc(100vh - 3rem);
border-radius: 0;
}
.mobile-sheet .editor-body {
overscroll-behavior: contain;
}
/* ── Mobile full: expand content to fill ────────────── */
.editor-area.mobile-full .editor-body,
.editor-area.mobile-full .tab-panel:not(.tab-hidden),
.editor-area.mobile-full .panel,
.editor-area.mobile-full .circuit-container,
.editor-area.mobile-full .editor-wrapper {
flex: 1;
display: flex;
flex-direction: column;
min-height: 0;
}
.editor-area.mobile-full .circuit-wrapper {
flex: 1;
height: auto;
}
.editor-area.mobile-full .cm-editor {
flex: 1;
max-height: none;
min-height: 0;
}
.editor-area.mobile-full .cm-scroller {
flex: 1;
}
/* ── Tab panels ────────────────────────────────────────── */
.tab-panel {
overflow-y: auto;
}
.tab-hidden {
display: none;
}
/* ── Velxio (Arduino simulator) ─────────────────────── */
.storage-indicator-inline {
display: flex;
align-items: center;
gap: 6px;
font-size: 0.75rem;
color: var(--color-text-muted);
background: var(--color-bg-secondary);
padding: 3px 10px;
border-radius: 12px;
border: 1px solid var(--color-border);
position: absolute;
bottom: 1rem;
right: 1.5rem;
z-index: 10;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
pointer-events: none;
opacity: 0.8;
}
.storage-indicator-inline .indicator-icon {
line-height: 1;
font-size: 0.8rem;
color: var(--color-success);
}
.storage-indicator-inline .indicator-icon.saving {
color: var(--color-primary);
animation: pulse 1s infinite;
}
.storage-indicator-inline .indicator-text {
font-weight: 500;
}
.velxio-panel {
display: flex;
flex-direction: column;
flex: 1;
min-height: 0;
position: relative;
}
.velxio-panel.tab-hidden {
display: none;
}
.velxio-iframe {
flex: 1;
width: 100%;
min-height: 400px;
border: none;
border-radius: var(--radius);
}
.velxio-fallback {
padding: 2rem;
text-align: center;
color: var(--color-text-muted);
background: var(--color-bg-secondary);
border-radius: var(--radius);
margin: 0.5rem 0;
}