:root {
  --bg-main: #0b0f19;
  --bg-card: #151c2e;
  --bg-card-alt: #1e2842;
  --border-color: #273452;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  /* State Colors */
  --color-green: #10b981;
  --color-lightgreen: #84cc16;
  --color-yellow: #f59e0b;
  --color-orange: #f97316;
  --color-red: #ef4444;

  --badge-green-bg: rgba(16, 185, 129, 0.15);
  --badge-lightgreen-bg: rgba(132, 204, 22, 0.15);
  --badge-yellow-bg: rgba(245, 158, 11, 0.15);
  --badge-orange-bg: rgba(249, 115, 22, 0.15);
  --badge-red-bg: rgba(239, 68, 68, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  height: 100vh;
  overflow: hidden;
  user-select: none;
}

.wallboard-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 16px 24px;
  gap: 14px;
}

/* Header */
.wb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-card);
  padding: 14px 20px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-divider {
  width: 1px;
  height: 36px;
  background-color: var(--border-color);
}

.brand-badge {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
  font-weight: 800;
  font-size: 20px;
  padding: 8px 16px;
  border-radius: 8px;
  letter-spacing: 1.5px;
  font-family: 'JetBrains Mono', monospace;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.4);
}

.brand-title h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.brand-title .subtitle {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* KPI Cards */
.kpi-container {
  display: flex;
  gap: 10px;
}

.kpi-card {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 14px;
  min-width: 105px;
  text-align: center;
  transition: transform 0.2s ease;
}

.kpi-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.kpi-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 800;
  margin-top: 2px;
}

.kpi-total .kpi-value { color: #60a5fa; }
.kpi-green .kpi-value { color: var(--color-green); }
.kpi-lightgreen .kpi-value { color: var(--color-lightgreen); }
.kpi-yellow .kpi-value { color: var(--color-yellow); }
.kpi-orange .kpi-value { color: var(--color-orange); }
.kpi-red .kpi-value { color: var(--color-red); }

/* Heartbeat Status */
.status-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.live-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: 0.5px;
}

.live-pill.disconnected {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-red);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-green);
  animation: pulse-dot 1.5s infinite;
}

.live-pill.disconnected .live-dot {
  background-color: var(--color-red);
  animation: none;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.clock {
  font-family: 'JetBrains Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

/* Toolbar & Filters */
.toolbar-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 13px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-group label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}

select {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.toggle-group {
  margin-left: 20px;
  cursor: pointer;
}

.toggle-group input {
  cursor: pointer;
}

.last-sync-info {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
}

/* Main 3 Vertical Columns Layout */
.wb-main-columns {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  min-height: 0;
  overflow: hidden;
}

.col-section {
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
}

.sec-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-card-alt);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.sec-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sec-title h2 {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.status-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot-green { background: var(--color-green); box-shadow: 0 0 8px var(--color-green); }
.dot-yellow-lightgreen { background: var(--color-yellow); box-shadow: 0 0 8px var(--color-yellow); }
.dot-critical { background: var(--color-red); box-shadow: 0 0 10px var(--color-red); animation: pulse-dot 1.2s infinite; }

.sec-count-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 12px;
}

.badge-green-count { background: var(--badge-green-bg); color: var(--color-green); border: 1px solid var(--color-green); }
.badge-transient-count { background: var(--badge-yellow-bg); color: var(--color-yellow); border: 1px solid var(--color-yellow); }
.badge-critical-count { background: var(--badge-red-bg); color: var(--color-red); border: 1px solid var(--color-red); }

/* Subsections */
.subsec-container {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.subsec-top {
  flex: 1.1;
  border-bottom: 2px solid var(--border-color);
}

.subsec-bottom {
  flex: 0.9;
}

.full-height-subsec {
  flex: 1;
}

.subsec-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.25);
  font-size: 10px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.subsec-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.title-yellow { color: #fde047; }
.title-lightgreen { color: #bef264; }
.title-critical { color: #fca5a5; }

.badge-yellow-tag { background: var(--badge-yellow-bg); color: var(--color-yellow); }
.badge-lightgreen-tag { background: var(--badge-lightgreen-bg); color: var(--color-lightgreen); }
.badge-critical-tag { background: var(--badge-red-bg); color: var(--color-red); }

/* Cards Grid Layout (affiancati e responsive) */
.cards-grid {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 8px;
  align-content: start;
}

.cards-grid-green {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.cards-grid-lightgreen {
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
}

.cards-grid-critical {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

/* Article Card (Rettangolo Bordato) */
.article-card {
  background: #111827;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  padding: 7px 9px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: relative;
  transition: transform 0.15s ease;
}

.article-card:hover {
  transform: translateY(-2px);
}

/* Card States & Bordi */
.card-state-0 {
  border-color: var(--color-green);
  box-shadow: inset 0 0 10px rgba(16, 185, 129, 0.1);
}

.card-state-1 {
  border-color: var(--color-lightgreen);
  box-shadow: inset 0 0 8px rgba(132, 204, 22, 0.1);
}

.card-state-2 {
  border-color: var(--color-yellow);
  animation: flash-yellow 1.8s infinite ease-in-out;
}

.card-state-3 {
  border-color: var(--color-orange);
  animation: flash-orange 1.5s infinite ease-in-out;
}

.card-state-4 {
  border-color: var(--color-red);
  animation: flash-red 1.2s infinite ease-in-out;
}

/* Flash Animations */
@keyframes flash-yellow {
  0% { box-shadow: 0 0 0px rgba(245, 158, 11, 0.2); border-color: #f59e0b; }
  50% { box-shadow: 0 0 14px rgba(245, 158, 11, 0.7); border-color: #fef08a; background: #1f2214; }
  100% { box-shadow: 0 0 0px rgba(245, 158, 11, 0.2); border-color: #f59e0b; }
}

@keyframes flash-orange {
  0% { box-shadow: 0 0 0px rgba(249, 115, 22, 0.2); border-color: #f97316; }
  50% { box-shadow: 0 0 16px rgba(249, 115, 22, 0.8); border-color: #fed7aa; background: #261b14; }
  100% { box-shadow: 0 0 0px rgba(249, 115, 22, 0.2); border-color: #f97316; }
}

@keyframes flash-red {
  0% { box-shadow: 0 0 0px rgba(239, 68, 68, 0.3); border-color: #ef4444; }
  50% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.9); border-color: #fecaca; background: #2d1316; }
  100% { box-shadow: 0 0 0px rgba(239, 68, 68, 0.3); border-color: #ef4444; }
}

/* Card Header: Codice Articolo in Grande + Magazzino */
.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 3px;
}

.card-artcode {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 15px;
  color: #ffffff;
  letter-spacing: 0.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-whtag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  padding: 1px 5px;
  border-radius: 3px;
  color: #93c5fd;
}

/* Row 2: Le due Quantità ERP vs WMS */
.card-qty-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.2);
  padding: 2px 4px;
  border-radius: 4px;
}

.card-qty-item {
  display: flex;
  flex-direction: column;
}

.card-qty-lbl {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
}

.card-qty-val {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 13px;
  color: var(--text-main);
}

.card-delta-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 3px;
}

/* Row 3: Le due Ore (ERP / WMS) e Durata dall'inizio differenza */
.card-time-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 9px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  padding-top: 2px;
  border-top: 1px dashed rgba(255, 255, 255, 0.06);
}

.card-times-left {
  display: flex;
  gap: 4px;
  font-size: 9px;
}

.card-duration-badge {
  font-weight: 800;
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.15);
  padding: 1px 4px;
  border-radius: 3px;
}

/* Verdini più piccoli */
.card-compact {
  padding: 5px 7px;
  gap: 2px;
}

.card-compact .card-artcode {
  font-size: 12px;
}

.card-compact .card-qty-val {
  font-size: 11px;
}

.card-compact .card-time-row {
  font-size: 8px;
}

/* Scroll List compatto per gli articoli cambiati negli ultimi 30gg */
.compact-scroll-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.compact-list-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  border-left: 3px solid var(--color-green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

.compact-artcode {
  font-weight: 700;
  color: #ffffff;
}

.compact-wh {
  color: #60a5fa;
  font-size: 10px;
  margin-left: 6px;
}

.compact-date {
  color: var(--text-muted);
  font-size: 10px;
}

.empty-col-message {
  grid-column: 1 / -1;
  text-align: center;
  padding: 24px 10px;
  color: var(--text-dim);
  font-size: 12px;
  font-style: italic;
}

.empty-message {
  text-align: center;
  padding: 40px !important;
  color: var(--text-muted);
  font-size: 16px;
}

/* Footer */
.wb-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-muted);
}

.legend {
  display: flex;
  gap: 16px;
  align-items: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-divider {
  width: 1px;
  height: 20px;
  background-color: var(--border-color);
}

.experientia-link {
  display: flex;
  align-items: center;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.experientia-link:hover {
  opacity: 1;
}

.footer-logo-img {
  height: 24px;
  width: auto;
  object-fit: contain;
}

.server-node {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim);
}