/* Optimal Trend - Equipment Gallery page CSS
   DP4 Wave 1 refactor 2026-05-24
   Depends on optimal-design-system.css for chassis tokens and primitives.
   No off-palette colours; no foreign tokens. */

.ot-equipment-gallery {
  display: grid;
  grid-template-columns: minmax(240px, 280px) 1fr;
  min-height: calc(100vh - var(--topbar-h) - 48px);
  background: var(--white);
}

/* Tree panel (left) */
.ot-tree-panel {
  background: var(--paper);
  border-right: 1px solid var(--rule-light);
  padding: 16px 14px;
  overflow-y: auto;
}

.ot-tree-panel .ot-panel__header {
  border-bottom: 1px solid var(--rule-light);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.ot-tree-panel .ot-search {
  margin: 8px 0 14px;
}

.ot-search__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 4px;
}

.ot-tree {
  display: grid;
  gap: 2px;
  font-size: 13px;
}

.ot-tree-node {
  padding: 6px 8px;
  border-left: 3px solid transparent;
  cursor: pointer;
  color: var(--ink-2);
}

.ot-tree-node--root {
  font-weight: 700;
  color: var(--navy);
}

.ot-tree-node--branch {
  padding-left: 18px;
  color: var(--ink-2);
}

.ot-tree-node--leaf {
  padding-left: 28px;
  color: var(--ink-3);
  cursor: default;
}

.ot-tree-node.is-selected {
  background: var(--teal-light);
  border-left-color: var(--teal);
  color: var(--navy);
}

.ot-tree-children {
  display: none;
}

.ot-tree-children.show {
  display: grid;
  gap: 2px;
}

/* Right gallery panel */
.ot-gallery-panel {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  min-width: 0;
}

.ot-context-band {
  padding: 18px 24px;
  border-bottom: 1px solid var(--rule-light);
}

.ot-context-band--compact {
  padding: 10px 24px;
}

.ot-context-band h2 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--navy);
  margin: 4px 0 0;
  font-size: 22px;
  letter-spacing: 0;
}

.ot-context-band p {
  color: var(--ink-3);
  margin: 6px 0 0;
  font-size: 13px;
}

.ot-gallery-stack {
  padding: 18px 24px 24px;
  min-width: 0;
}

.ot-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.ot-gallery-card {
  background: var(--white);
  border: 1px solid var(--rule-light);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 120ms ease-out;
}

.ot-gallery-card:hover {
  border-color: var(--teal);
}

.ot-gallery-card__image {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  background: var(--paper);
  display: block;
  border-bottom: 1px solid var(--rule-light);
}

.ot-gallery-card__body {
  padding: 12px 14px 14px;
}

.ot-gallery-card__title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 14px;
  color: var(--navy);
  margin: 0 0 6px;
}

.ot-gallery-card__meta {
  font-size: 12px;
  color: var(--ink-4);
  line-height: 1.5;
  margin: 0;
}

/* Lightbox modal */
.ot-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy-dark);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.ot-lightbox.is-open {
  display: flex;
}

.ot-lightbox__content {
  position: relative;
  max-width: 92vw;
  max-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ot-lightbox__image {
  max-width: 95vw;
  max-height: 90vh;
  object-fit: contain;
  background: var(--white);
}

.ot-lightbox__close {
  position: absolute;
  top: -44px;
  right: 0;
  background: var(--white);
  color: var(--navy);
  border: 0;
  font-size: 28px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-weight: 600;
}

.ot-lightbox__close:hover {
  background: var(--teal-light);
  color: var(--navy-dark);
}

body.ot-no-scroll {
  overflow: hidden;
}

/* Responsive */
@media (max-width: 980px) {
  .ot-equipment-gallery {
    grid-template-columns: 1fr;
  }

  .ot-tree-panel {
    border-right: 0;
    border-bottom: 1px solid var(--rule-light);
  }
}


/* Rod Mill deployment strip correction - 2026-05-29 */
.ot-equipment-deployment-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 20px;
  align-items: start;
}

.ot-equipment-deployment-grid > div {
  display: grid;
  gap: 6px;
}

.ot-equipment-deployment-item--selected {
  background: var(--teal-light);
  border-left: 3px solid var(--teal);
  padding: 8px 10px;
}

.ot-equipment-deployment-item--selected .ot-rebalance-link {
  width: fit-content;
  margin-top: 2px;
}

@media (max-width: 1100px) {
  .ot-equipment-deployment-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }
}


/* Gallery controls and selection - 2026-05-31 */
.ot-equipment-gallery,.ot-gallery-panel,.ot-gallery-stack{min-width:0;overflow-x:hidden}.ot-tabs.tab-group{margin:14px 24px 0;padding:0;border:1px solid var(--rule-light);border-bottom:0;background:var(--navy);overflow-x:auto}.ot-tabs.tab-group .tab{white-space:nowrap}.ot-gallery-toolbar{margin:0 24px;border:1px solid var(--rule-light);background:var(--white);display:grid;gap:10px;padding:12px}.ot-gallery-toolbar__state{display:flex;align-items:baseline;justify-content:space-between;gap:12px;min-width:0}.ot-gallery-toolbar__state strong{color:var(--navy);font-family:Georgia,"Times New Roman",serif;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ot-gallery-toolbar__actions{display:grid;grid-template-columns:minmax(180px,1.2fr) repeat(3,minmax(120px,1fr)) repeat(7,minmax(96px,auto));gap:8px;align-items:center;min-width:0}.ot-gallery-toolbar__actions .ot-input,.ot-gallery-toolbar__actions .ot-btn{min-width:0;max-width:100%;height:34px}.ot-gallery-caption-input{min-width:120px}.ot-gallery-status{border-left:3px solid var(--teal);background:var(--paper);padding:8px 10px;color:var(--navy);font-size:12px}.ot-gallery-status[data-state="error"]{border-left-color:#b91c1c;color:#7f1d1d}.ot-gallery-status[data-state="ok"]{border-left-color:#15803d;color:#14532d}.ot-gallery-card{outline:0}.ot-gallery-card.is-selected{border-color:var(--teal);box-shadow:inset 4px 0 0 var(--teal),0 8px 18px rgba(0,47,101,.08)}.ot-gallery-card.is-selected .ot-gallery-card__title::after{content:"Selected";display:inline-block;margin-left:8px;padding:2px 6px;background:var(--teal-light);color:var(--navy);font-family:"Helvetica Neue",Arial,sans-serif;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}@media (max-width:1280px){.ot-gallery-toolbar__actions{grid-template-columns:repeat(3,minmax(150px,1fr))}}@media (max-width:760px){.ot-tabs.tab-group,.ot-gallery-toolbar,.ot-gallery-stack{margin-left:14px;margin-right:14px}.ot-gallery-toolbar__state{display:grid}.ot-gallery-toolbar__actions{grid-template-columns:1fr}}