/* ===============================================================
   PEB Asset Registry Dashboard — Enterprise asset management
   Sprint A6 — asset_registry_engine (lifecycle, certificates, state)
   =============================================================== */

/* Layout */
.peb-assets { padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; min-height: 60vh; }

/* Header */
.peb-assets__header {
    display: flex; align-items: flex-start; justify-content: space-between;
    flex-wrap: wrap; gap: 0.75rem;
}
.peb-assets__header h2 { margin: 0; font-size: 1.35rem; }
.peb-assets__subtitle { display: block; font-size: 0.78rem; opacity: 0.6; margin-top: 0.15rem; }
.peb-assets__header-actions { display: flex; gap: 0.5rem; align-items: center; }

/* Action bar */
.peb-assets__action-bar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 0.75rem; flex-wrap: wrap;
}
.peb-assets__search {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.45rem 0.75rem; background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.08); border-radius: 6px;
    max-width: 280px; flex: 1;
}
.peb-assets__search input {
    background: transparent; border: none; color: var(--text-primary, var(--slate-200));
    font-size: 0.85rem; outline: none; width: 100%;
}
.peb-assets__filters { display: flex; gap: 0.5rem; align-items: center; }
.peb-assets__filters select {
    padding: 0.4rem 0.6rem; background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.08); border-radius: 6px;
    color: var(--text-primary, var(--slate-200)); font-size: 0.82rem;
}

/* Bulk actions toolbar */
.peb-assets__bulk-bar {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.6rem 1rem; background: rgba(59,130,246,0.08);
    border: 1px solid rgba(59,130,246,0.2); border-radius: 8px;
    font-size: 0.85rem;
}
.peb-assets__bulk-count { font-weight: 600; color: var(--blue-400); }

/* Asset grid */
.peb-asset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.85rem; }

/* Asset cards */
.peb-asset-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 10px;
    padding: 1rem;
    display: flex; align-items: flex-start; gap: 0.75rem;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.2s ease;
}
.peb-asset-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.14); }
.peb-asset-card--selected { border-color: var(--accent-primary, var(--ld-400)); background: rgba(196,30,58,0.05); }
.peb-asset-card__checkbox {
    width: 16px; height: 16px; border-radius: 3px;
    border: 1px solid rgba(255,255,255,0.2); flex-shrink: 0;
    margin-top: 2px; cursor: pointer;
}

.peb-asset-icon { font-size: 1.5rem; width: 40px; text-align: center; flex-shrink: 0; }
.peb-asset-info { flex: 1; min-width: 0; }
.peb-asset-name { display: block; font-weight: 600; font-size: 0.9rem; }
.peb-asset-type { display: block; font-size: 0.72rem; color: var(--text-secondary, var(--slate-400)); text-transform: uppercase; letter-spacing: 0.03em; margin-top: 0.15rem; }

/* Criticality badges */
.peb-assets__crit-badge {
    font-size: 0.68rem; font-weight: 700; padding: 0.1rem 0.4rem;
    border-radius: 9999px; text-transform: uppercase; letter-spacing: 0.03em;
}
.peb-assets__crit-badge--p1 { background: rgba(233,116,81,0.15); color: var(--red-400); }
.peb-assets__crit-badge--p2 { background: rgba(251,146,60,0.15); color: var(--orange-400); }
.peb-assets__crit-badge--p3 { background: rgba(245,158,11,0.12); color: var(--yellow-400); }
.peb-assets__crit-badge--p4 { background: rgba(59,130,246,0.15); color: var(--blue-400); }
.peb-assets__crit-badge--p5 { background: rgba(148,163,184,0.12); color: var(--slate-400); }

/* Asset status badges */
.peb-assets__status-badge { font-size: 0.7rem; font-weight: 600; padding: 0.1rem 0.4rem; border-radius: 4px; }
.peb-assets__status-badge--active { background: rgba(16,185,129,0.12); color: var(--emerald-400); }
.peb-assets__status-badge--maintenance { background: rgba(245,158,11,0.12); color: var(--yellow-400); }
.peb-assets__status-badge--decommissioned { background: rgba(148,163,184,0.12); color: var(--slate-400); }
.peb-assets__status-badge--failed { background: rgba(233,116,81,0.15); color: var(--red-400); }

/* Asset detail panel */
.peb-assets__detail {
    background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px; padding: 1.25rem; margin-top: 0.5rem;
}
.peb-assets__detail-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem; padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.06); flex-wrap: wrap; gap: 0.5rem;
}
.peb-assets__detail-title { font-weight: 700; font-size: 1.1rem; }
.peb-assets__detail-actions { display: flex; gap: 0.5rem; }

/* Metadata grid */
.peb-assets__meta-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem; margin-bottom: 1rem;
}
.peb-assets__meta-field { display: flex; flex-direction: column; gap: 0.2rem; }
.peb-assets__meta-label { font-size: 0.72rem; color: var(--text-tertiary, var(--slate-500)); text-transform: uppercase; letter-spacing: 0.04em; }
.peb-assets__meta-value { font-size: 0.88rem; color: var(--text-primary, var(--slate-200)); font-weight: 500; }

/* State machine diagram */
.peb-assets__state-diagram {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1rem; background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.06); border-radius: 8px;
    overflow-x: auto;
}
.peb-assets__state-node {
    padding: 0.4rem 0.75rem; border-radius: 6px;
    font-size: 0.78rem; font-weight: 600; white-space: nowrap;
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
}
.peb-assets__state-node--current { background: rgba(16,185,129,0.15); border-color: var(--color-success); color: var(--emerald-400); }
.peb-assets__state-arrow { font-size: 1rem; opacity: 0.3; }

/* Certificate viewer */
.peb-assets__cert {
    background: rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px; padding: 0.85rem; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem;
}
.peb-assets__cert-field { display: flex; justify-content: space-between; padding: 0.3rem 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.peb-assets__cert-field:last-child { border-bottom: none; }
.peb-assets__cert-label { color: var(--text-secondary, var(--slate-400)); }
.peb-assets__cert-valid { color: var(--emerald-400); }
.peb-assets__cert-expired { color: var(--red-400); }

/* Lifecycle timeline */
.peb-assets__timeline { position: relative; padding-left: 24px; }
.peb-assets__timeline::before {
    content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
    width: 2px; background: rgba(255,255,255,0.06);
}
.peb-assets__timeline-item { position: relative; margin-bottom: 14px; }
.peb-assets__timeline-dot {
    position: absolute; left: -20px; top: 4px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--accent-primary, var(--ld-400));
}
.peb-assets__timeline-ts { font-size: 0.72rem; opacity: 0.5; }
.peb-assets__timeline-event { font-size: 0.85rem; font-weight: 500; }

/* Maintenance log */
.peb-assets__maint-log { display: flex; flex-direction: column; gap: 0.3rem; max-height: 240px; overflow-y: auto; }
.peb-assets__maint-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.45rem 0.65rem; background: rgba(255,255,255,0.02); border-radius: 4px;
    font-size: 0.82rem;
}
.peb-assets__maint-ts { font-size: 0.72rem; opacity: 0.5; white-space: nowrap; }
.peb-assets__maint-desc { flex: 1; }

/* Stats dashboard */
.peb-assets__stats-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem;
}
.peb-assets__stat-card {
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px; padding: 0.85rem; text-align: center;
}
.peb-assets__stat-value { font-size: 1.75rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.peb-assets__stat-label { font-size: 0.75rem; color: var(--text-secondary, var(--slate-400)); margin-top: 0.2rem; text-transform: uppercase; letter-spacing: 0.03em; }

/* Responsive */
@media (max-width: 768px) {
    .peb-asset-grid { grid-template-columns: 1fr; }
    .peb-assets__action-bar { flex-direction: column; align-items: stretch; }
    .peb-assets__search { max-width: 100%; }
    .peb-assets__meta-grid { grid-template-columns: 1fr; }
    .peb-assets__state-diagram { flex-wrap: wrap; }
    .peb-assets__stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
    .peb-asset-card { transition: none; }
}