/* layout */
.page-layout {
    display: grid;
    grid-template-columns: 1fr 310px;
    gap: 20px;
    align-items: start;
}

@media (max-width: 900px) {
    .page-layout {
        grid-template-columns: 1fr;
    }
}

/*-selector tabs-*/
.sys-tabs {
    display: flex;
    gap: 4px; 
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.sys-tab {
    padding: 6px 14px;
    font-size: 11px;
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: 3px; 
    border: 1px solid var(--border2);
    background: transparent;
    color: var(--dim);
    transition: all 0.15s;
}

.sys-tab:hover {
    color: var(--text);
    border-color: var(--text);
}

.sys-tab.active {
    background: rgba(255, 184, 63, 0.08);
    color: var(--amber);
    border-color: var(--amber);
}

.canvas-wrap {
    position: relative;
    background: #000;
}

.canvas-wrap canvas {
    display: block;
    width: 100%;
}

.canvas-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.play-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border2);
    background: transparent;
    color: var(--green);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s;
}

.play-btn:hover {
    border-color: var(--green);
}

.control-label {
    font-size: 11px;
    color: var(--dim);
}

.control-label.spaced {
    margin-left: 8px;
}

.speed-display {
    font-size: 11px;
    color: var(--amber);
    min-width: 28px;
}

.toggle-label {
    font-size: 11px;
    color: var(--dim);
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    margin-bottom: 0;
}

.toggle-label input[type="checkbox"] {
    accent-color: var(--amber);
}

/*- right panel -*/
.system-desc {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.system-desc h3 {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.system-desc p {
    font-size: 11px;
    color: var(--dim);
    line-height: 1.6;
}

.lp-cards {
    display: flex;
    flex-direction: column;
}

.lp-card {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s;
}

.lp-card:last-child {
    border-bottom: none;
}

.lp-card:hover {
    background: rgba(255, 255, 255, 0.02);
}

.lp-card.highlighted {
    background: rgba(255, 184, 63, 0.05);
}

.lp-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

.lp-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.lp-title {
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    flex: 1;
}

.lp-stable-badge {
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 6px; 
    border-radius: 2px;
}

.lp-stable-badge.stable {
    background: rgba(57, 255, 133, 0.1);
    color: #39ff85; 
    border: 1px solid rgba(57, 255, 133, 0.27);
}

.lp-stable-badge.unstable {
    background: rgba(255, 95, 95, 0.1);
    color: #ff5f5f;
    border: 1px solid rgba(255, 95, 95, 0.27);
}

.lp-desc {
    font-size: 11px;
    color: var(--dim);
    line-height: 1.6;
    margin-left: 20px;
}

.lp-examples {
    margin-top: 4px;
    margin-left: 20px;
    font-size: 10px;
    color: var(--amber);
}

/* readout */
.readouts-panel {
    padding: 14px 16px;
}