/* ═══════════════════════════════════════════════════════════════
   OPERATIONAL DASHBOARD SHELL
   Layout infrastructure for cockpit, DAG viewer, and panels.
   Provides bounded viewport rendering for operational surfaces.
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS containment for operational pages ──────────────────────── */
.cockpit-page,
.dag-page {
  contain: layout style;
  will-change: contents;
}

/* ── Operational page shell base ────────────────────────────────── */
.op-shell {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 64px);
  overflow: hidden;
  background: var(--surface);
  contain: layout style;
}

/* ── Grid cockpit shell — 3-row operational layout ───────────────── */
.op-shell--cockpit {
  display: grid;
  grid-template-rows: 56px 1fr 220px;
  grid-template-columns: 1fr;
  height: calc(100vh - 64px);
  overflow: hidden;
  background: var(--surface);
}

/* ── Two-column body region ─────────────────────────────────────── */
.op-body {
  display: grid;
  min-height: 0;
  overflow: hidden;
  contain: layout;
}

.op-body--main-sidebar {
  grid-template-columns: 1fr 300px;
}

.op-body--graph-panel {
  grid-template-columns: 1fr 290px;
}

@media (max-width: 900px) {
  .op-body--main-sidebar,
  .op-body--graph-panel {
    grid-template-columns: 1fr;
  }
}

/* ── Main content region ────────────────────────────────────────── */
.op-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
  border-right: 1px solid var(--border);
}

/* ── Intelligence sidebar ───────────────────────────────────────── */
.op-sidebar {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
}

.op-sidebar__scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}

.op-sidebar__scroll::-webkit-scrollbar       { width: 3px; }
.op-sidebar__scroll::-webkit-scrollbar-track { background: transparent; }
.op-sidebar__scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

/* ── Timeline strip region ──────────────────────────────────────── */
.op-timeline-region {
  flex-shrink: 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

/* ── Panel header bar ───────────────────────────────────────────── */
.op-panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: 44px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
}

.op-panel-header--sm {
  height: 36px;
  padding: 0 12px;
}

.op-panel-header--lg {
  height: 52px;
}

/* ── Panel title ────────────────────────────────────────────────── */
.op-panel-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-heading);
  white-space: nowrap;
  letter-spacing: 0.2px;
}

.op-panel-title--sm {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

/* ── Panel content area ─────────────────────────────────────────── */
.op-panel-content {
  flex: 1;
  overflow: hidden;
  min-height: 0;
  position: relative;
}

.op-panel-content--scroll {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}

.op-panel-content--scroll::-webkit-scrollbar       { width: 3px; }
.op-panel-content--scroll::-webkit-scrollbar-track { background: transparent; }
.op-panel-content--scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

/* ── Graph viewport shell ───────────────────────────────────────── */
.op-graph-shell {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
  contain: layout style;
}

/* ── Operational control bar ────────────────────────────────────── */
.op-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.op-controls--toolbar {
  padding: 0 16px;
  height: 48px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

/* ── Intelligence card ──────────────────────────────────────────── */
.op-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 0;
  contain: layout;
}

.op-card--compact {
  padding: 9px 11px;
  border-radius: 7px;
}

.op-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 6px;
}

.op-card__title {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.op-card__value {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-heading);
}

.op-card__sub {
  font-size: 11px;
  color: var(--muted-2);
  margin-top: 4px;
}

/* ── Metric chip row ────────────────────────────────────────────── */
.op-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.op-chip {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 9999px;
  border: 1px solid transparent;
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.op-chip--intel   { background: var(--op-intel-bg);    color: var(--op-intel-text);    border-color: var(--op-intel-border); }
.op-chip--warning { background: var(--op-warning-bg);  color: var(--op-warning-text);  border-color: var(--op-warning-border); }
.op-chip--risk    { background: var(--op-critical-bg); color: var(--op-critical-text); border-color: var(--op-critical-border); }
.op-chip--healthy { background: var(--op-healthy-bg);  color: var(--op-healthy-text);  border-color: var(--op-healthy-border); }

/* ── Intelligence button ────────────────────────────────────────── */
.op-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid transparent;
  border-radius: var(--op-radius-sm);
  font-size: 11px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--op-t-base), border-color var(--op-t-base), color var(--op-t-base), opacity var(--op-t-base);
  padding: 0 10px;
  height: var(--op-control-sm);
  line-height: 1;
  -webkit-user-select: none;
  user-select: none;
}

.op-btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.op-btn:focus-visible { outline: 2px solid rgba(124,58,237,0.6); outline-offset: 2px; }

.op-btn--ghost {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
  color: var(--muted);
}
.op-btn--ghost:hover:not(:disabled) { background: rgba(255,255,255,0.08); color: var(--text); }

.op-btn--intel {
  background: var(--op-intel-bg);
  border-color: var(--op-intel-border);
  color: var(--op-intel-text);
}
.op-btn--intel:hover:not(:disabled) {
  background: rgba(124,58,237,0.18);
  border-color: rgba(124,58,237,0.38);
}

.op-btn--primary {
  background: rgba(124,58,237,0.22);
  border-color: rgba(124,58,237,0.40);
  color: #c4b5fd;
}
.op-btn--primary:hover:not(:disabled) {
  background: rgba(124,58,237,0.32);
  border-color: rgba(124,58,237,0.55);
}

.op-btn--danger {
  background: var(--op-critical-bg);
  border-color: var(--op-critical-border);
  color: var(--op-critical-text);
}
.op-btn--danger:hover:not(:disabled) {
  background: rgba(239,68,68,0.18);
}

.op-btn--on {
  background: rgba(239,68,68,0.14);
  border-color: rgba(239,68,68,0.30);
  color: #fca5a5;
}

.op-btn--on-amber {
  background: rgba(245,158,11,0.14);
  border-color: rgba(245,158,11,0.30);
  color: #fbbf24;
}

/* ── Intelligence input ─────────────────────────────────────────── */
.op-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--op-radius-sm);
  color: var(--text);
  font-size: 12px;
  padding: 0 10px;
  height: var(--op-control-sm);
  outline: none;
  transition: border-color var(--op-t-base), background var(--op-t-base);
  font-family: inherit;
}
.op-input:focus { border-color: rgba(124,58,237,0.45); background: rgba(124,58,237,0.06); }
.op-input::placeholder { color: var(--muted-2); }

.op-input--mono { font-family: var(--op-mono); letter-spacing: 0.3px; }

/* ── Toggle button group ────────────────────────────────────────── */
.op-toggle-group {
  display: flex;
  border: 1px solid var(--border-2);
  border-radius: var(--op-radius-base);
  overflow: hidden;
  flex-shrink: 0;
}

.op-toggle-group__btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 11px;
  padding: 0 12px;
  height: var(--op-control-sm);
  cursor: pointer;
  transition: all var(--op-t-base);
  white-space: nowrap;
  font-family: inherit;
}

.op-toggle-group__btn:hover { color: var(--text); background: var(--op-surface-hover); }
.op-toggle-group__btn--active {
  background: rgba(124,58,237,0.18);
  color: var(--accent-text);
}
.op-toggle-group__btn:focus-visible { outline: 2px solid rgba(124,58,237,0.5); outline-offset: -2px; }

/* ── Status indicator dot ───────────────────────────────────────── */
.op-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.op-dot--live    { background: var(--op-critical); animation: op-pulse-dot var(--op-anim-pulse) ease-in-out infinite; }
.op-dot--healthy { background: var(--op-healthy);  animation: op-pulse-dot var(--op-anim-pulse) ease-in-out infinite; }
.op-dot--warn    { background: var(--op-warning); }
.op-dot--intel   { background: var(--accent); box-shadow: 0 0 6px rgba(124,58,237,0.45); }
.op-dot--neutral { background: var(--muted-2); }

/* ── Section heading ────────────────────────────────────────────── */
.op-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted-2);
  padding: 10px 12px 6px;
  flex-shrink: 0;
}

/* ── Empty state ────────────────────────────────────────────────── */
.op-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 10px;
  color: var(--muted-2);
  padding: 24px;
}

.op-empty__icon {
  font-size: 40px;
  opacity: 0.25;
  line-height: 1;
}

.op-empty__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: 0.2px;
}

.op-empty__sub {
  font-size: 12px;
  color: var(--muted-2);
  text-align: center;
  max-width: 320px;
  line-height: 1.5;
}

.op-empty__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 4px;
}

/* ── Operational metric grid ────────────────────────────────────── */
.op-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  gap: 6px;
}

.op-metric-cell {
  background: var(--op-surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--op-radius-base);
  padding: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.op-metric-cell__value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1;
}

.op-metric-cell__label {
  font-size: 10px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ── KV data grid ───────────────────────────────────────────────── */
.op-kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 10px;
  font-size: 11px;
}

.op-kv__key   { color: var(--muted-2); }
.op-kv__value { color: var(--text); font-weight: 500; }
.op-kv__value--green   { color: var(--op-healthy); }
.op-kv__value--amber   { color: var(--op-warning); }
.op-kv__value--red     { color: var(--op-critical); }
.op-kv__value--intel   { color: var(--op-intel-text); }

/* ── Provider row ───────────────────────────────────────────────── */
.op-provider-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
.op-provider-row:last-child { border-bottom: none; }

.op-provider-id {
  font-size: 11px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

/* ── Warning row ────────────────────────────────────────────────── */
.op-warn-row {
  display: flex;
  gap: 6px;
  align-items: flex-start;
  padding: 2px 0;
}
.op-warn-row__icon { color: var(--op-warning); font-size: 11px; flex-shrink: 0; margin-top: 1px; }
.op-warn-row__text { font-size: 11px; color: var(--muted); line-height: 1.4; }

/* ── Recommendation block ───────────────────────────────────────── */
.op-recommendation {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.45;
  background: rgba(255,255,255,0.02);
  border-left: 2px solid rgba(239,68,68,0.30);
  padding: 6px 8px;
  border-radius: 0 4px 4px 0;
  margin-top: 6px;
}

/* ── Responsive operational breakpoints ─────────────────────────── */
@media (max-width: 1024px) {
  .op-body--main-sidebar { grid-template-columns: 1fr 260px; }
  .op-body--graph-panel  { grid-template-columns: 1fr 260px; }
}

@media (max-width: 768px) {
  .op-body--main-sidebar,
  .op-body--graph-panel {
    grid-template-columns: 1fr;
  }
  .op-shell--cockpit { grid-template-rows: auto 1fr; }
}