:root {
  --aic-radius: 14px;
  --aic-gap: 14px;
}

/* Fleet filter bar */
.aic-fleetbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--aic-gap);
  align-items: flex-end;
  padding: 0.75rem 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aic-radius);
  background: var(--md-default-bg-color);
  margin: 1rem 0 1.25rem;
}

.aic-fleetbar__group { 
  display: flex; 
  flex-direction: column; 
  gap: 0.35rem; 
}

.aic-fleetbar__spacer { flex: 1; }
.aic-fleetbar__hint { align-self: center; }

.aic-label {
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--md-default-fg-color--light);
}

.aic-input, .aic-select {
  min-width: 220px;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
}

@media (max-width: 600px) {
  .aic-fleetbar__group { flex: 1 1 100%; }
  .aic-input, .aic-select { min-width: 100%; }
  .aic-fleetbar__hint { display: none; }
}

/* Card grid */
.aic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--aic-gap);
}

.aic-grid--compact {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.aic-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aic-radius);
  background: var(--md-default-bg-color);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.aic-card--link {
  color: inherit;
  text-decoration: none;
  transform: translateY(0);
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.aic-card--link:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
  border-color: var(--md-primary-fg-color);
}

.aic-card--link:focus-visible {
  outline: 3px solid var(--md-primary-fg-color);
  outline-offset: 2px;
}

.aic-card__media {
  position: relative;
  height: 170px;
  background: var(--md-default-bg-color);
}

.aic-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Position badge absolutely ONLY when inside media */
.aic-card__media .aic-badge {
  position: absolute;
  left: 10px;
  top: 10px;
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.aic-card__body {
  padding: 0.9rem 1rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.aic-card__title {
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.2;
}

.aic-card__meta {
  color: var(--md-default-fg-color--light);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

.aic-muted {
  color: var(--md-default-fg-color--light);
}

/* Badges */
.aic-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.8rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: rgba(255,255,255,0.85);
  white-space: nowrap;
}

[data-md-color-scheme="slate"] .aic-badge {
  background: rgba(30,30,30,0.85);
}

.aic-badge--green { border-color: rgba(0, 160, 80, 0.6); color: rgba(0, 140, 70, 1); }
.aic-badge--yellow { border-color: rgba(230, 170, 20, 0.7); color: rgba(200, 140, 10, 1); }
.aic-badge--red { border-color: rgba(220, 60, 60, 0.7); color: rgba(200, 40, 40, 1); }

[data-md-color-scheme="slate"] .aic-badge--green { color: rgba(60, 200, 120, 1); }
[data-md-color-scheme="slate"] .aic-badge--yellow { color: rgba(240, 190, 60, 1); }
[data-md-color-scheme="slate"] .aic-badge--red { color: rgba(240, 100, 100, 1); }

/* Chips */
.aic-chiprow { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 0.35rem; 
  margin-top: 0.7rem; 
}

.aic-chip {
  font-size: 0.75rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
}

.aic-chip--muted {
  background: color-mix(in srgb, var(--md-default-fg-color) 8%, transparent);
}

/* Instrument page hero */
.aic-topactions { margin-bottom: 0.6rem; }

.aic-hero {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 1rem;
  align-items: start;
  margin: 1rem 0 1.25rem;
}

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

.aic-hero__media img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--aic-radius);
  border: 1px solid var(--md-default-fg-color--lightest);
}

.aic-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  padding: 0.9rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aic-radius);
  background: var(--md-default-bg-color);
}

.aic-fact { min-height: 2.3rem; }

.aic-section { margin-top: 1rem; }
.aic-section__title { font-weight: 700; margin-bottom: 0.4rem; }

/* Status cards */
.aic-statusline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-top: 0.7rem;
}

.aic-kv {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.aic-actions { 
  margin-top: 1rem; 
  display: flex;
  gap: 0.5rem;
}

/* Charts */
.aic-chartgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}

.aic-chartcard {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aic-radius);
  background: var(--md-default-bg-color);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
}

.aic-chartcard__title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.aic-chartcard__canvas-wrapper {
  position: relative;
  height: 260px;
  width: 100%;
  flex: 1;
}

/* =========================================
   Event Timeline (2-Column Split)
   ========================================= */
.aic-timeline {
  position: relative;
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* The center vertical line */
.aic-timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: var(--md-default-fg-color--lightest);
  border-radius: 2px;
  z-index: 1;
}

/* Container for each event block */
.aic-timeline__event {
  position: relative;
  width: 50%;
  z-index: 2;
}

/* QC snaps to the LEFT */
.aic-timeline__event--qc {
  align-self: flex-start;
  padding-right: 2rem;
}

/* Maintenance snaps to the RIGHT */
.aic-timeline__event--maint {
  align-self: flex-end;
  padding-left: 2rem;
}

/* The circular thematic icon on the line */
.aic-timeline__marker {
  position: absolute;
  top: 15px; /* Aligns with the top of the card */
  width: 32px;
  height: 32px;
  background: var(--md-default-bg-color);
  border: 2px solid var(--md-default-fg-color--lightest);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  z-index: 3;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Snap Marker to Right Edge of Left Column */
.aic-timeline__event--qc .aic-timeline__marker {
  right: -16px; 
  border-color: rgba(60, 160, 220, 0.9);
}

/* Snap Marker to Left Edge of Right Column */
.aic-timeline__event--maint .aic-timeline__marker {
  left: -16px;
  border-color: rgba(230, 140, 40, 0.9);
}

/* Timeline card content */
.aic-timeline__content {
  padding: 1rem;
  margin: 0;
}

.aic-timeline__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.aic-timeline__header .aic-badge {
  position: static; /* Overrides the absolute positioning from hero cards */
}

.aic-timeline__body {
  font-size: 0.95rem;
  color: var(--md-default-fg-color);
  margin-bottom: 1rem;
}

.aic-timeline__actions {
  margin-top: 0;
}

/* Collapse to Single Column on Mobile Screens */
@media (max-width: 768px) {
  .aic-timeline::before {
    left: 15px; /* Move the center line to the left margin */
    transform: none;
  }
  
  .aic-timeline__event {
    width: 100%;
    align-self: flex-start !important;
    padding-left: 3.5rem !important;
    padding-right: 0 !important;
  }
  
  .aic-timeline__marker {
    left: 0 !important;
    right: auto !important;
  }
}