.vav-main { width: min(1400px, calc(100% - 3rem)); }
.vav-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: start; margin-bottom: 1rem; }
.vav-heading p:last-child { color: var(--muted); }
.vav-playback { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.vav-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.vav-playback label { min-width: 110px; }
.vav-clock { display: grid; min-width: 100px; font-variant-numeric: tabular-nums; }
.vav-clock strong { font-size: 1.5rem; }
.vav-clock span { color: var(--muted); font-size: .8rem; }
#feedback { flex: 1; min-width: 180px; margin: 0; font-size: .875rem; }
.vav-system { margin-bottom: 1.5rem; }
.vav-schematic { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.vav-stage { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 1rem .5rem; gap: .35rem; min-width: 0; background: #f6f9fb; border-right: 1px solid var(--line); }
.vav-stage:last-child { border: 0; background: #eef5f1; }
.vav-tag { font-size: .65rem; letter-spacing: .06em; font-weight: 750; }
.vav-stage strong { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.vav-stage small { font-size: .74rem; color: var(--muted); }
.vav-symbol, .damper-symbol, .coil-symbol { width: 100%; height: 62px; color: #337ca1; }
.vav-symbol { display: grid; place-content: center; font-size: 1.5rem; }
.room-symbol { font-size: 2.8rem; color: #32664d; }
.vav-condition { margin: 1rem 0 0; font-size: .9rem; color: var(--site-dark); }
.vav-settings { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.vav-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.vav-fields label { display: block; }
.vav-fields input, .vav-fields select { display: block; margin-top: .35rem; }
.vav-fields small { display: block; color: var(--muted); font-size: .72rem; margin-top: .25rem; }
.vav-help { margin-top: 1rem; font-size: .85rem; }
.vav-advanced { margin-top: 1rem; }
.vav-advanced .vav-fields { max-width: 650px; margin-block: 1rem; }
.vav-apply { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; padding-block: 1rem; }
#draft-note { font-size: .875rem; color: var(--muted); }
.vav-error { border-left: 3px solid #ad2929; background: #fff0ed; padding: 1rem; color: #912626; }
.vav-trends, .vav-events, .vav-assumptions { margin-top: 1.25rem; }
.vav-chart + .vav-chart { margin-top: 1.5rem; }
.vav-chart h3 { font-size: .95rem; margin: 0 0 .5rem; }
.vav-chart svg { display: block; width: 100%; height: auto; background: #fbfcfd; border: 1px solid #e5ebef; border-radius: 4px; }
.vav-trend-tags { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin-bottom: 1rem; }
.vav-trend-tags label { display: flex; align-items: center; gap: .45rem; padding: .35rem .2rem; cursor: pointer; }
.vav-trend-tags input { width: 17px; height: 17px; min-height: 17px; margin: 0; accent-color: var(--accent); }
.vav-trend-tags i { width: 30px; flex-shrink: 0; border-top: 4px solid; }
.vav-trend-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
#trend-range { font-size: .8rem; color: var(--muted); margin-left: .3rem; font-variant-numeric: tabular-nums; }
#combined-chart { overflow-x: auto; }
#combined-chart svg { min-width: 740px; }
.vav-legend { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; margin-top: .5rem; font-size: .8rem; }
.vav-legend span { display: inline-flex; align-items: center; gap: .4rem; }
.vav-legend i { display: inline-block; width: 20px; height: 3px; }
.vav-diagnostics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; font-size: .85rem; }
.vav-diagnostics dt { color: var(--muted); }
.vav-diagnostics dd { margin: .3rem 0 0; font-weight: 650; font-variant-numeric: tabular-nums; }
#events { max-height: 220px; overflow-y: auto; padding-left: 1.4rem; font-size: .85rem; }
#events li { padding: .2rem 0; }
.vav-assumptions { font-size: .875rem; }
@media (max-width: 1050px) { .vav-schematic { grid-template-columns: repeat(3, minmax(0, 1fr)); } .vav-stage { border-bottom: 1px solid var(--line); } .vav-heading { display: block; } }
@media (max-width: 760px) { .vav-settings { grid-template-columns: 1fr; } .vav-main { width: calc(100% - 1.5rem); } .vav-system, .vav-trends { padding: 1rem; } .vav-diagnostics { grid-template-columns: 1fr 1fr; } }
@media (max-width: 430px) { .vav-fields { grid-template-columns: 1fr; } .vav-schematic { grid-template-columns: repeat(2, minmax(0, 1fr)); } .vav-stage strong { font-size: 1rem; } }