/**
 * NAC MES - Manufacturing Execution System Styles
 * ISA-95 Level 3 - Work Order Management
 * ISA-101 Neutral Color Scheme
 */

:root {
  --bg-dark: #1a1a1a;
  --bg-medium: #242424;
  --bg-light: #2e2e2e;
  --border: #3a3a3a;
  --text-primary: #e5e5e5;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --accent: #525252;
  --status-good: #4ade80;
  --status-warn: #fbbf24;
  --status-bad: #f87171;
  --status-info: #60a5fa;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-medium);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 4px;
  background: var(--bg-light);
  border: 1px solid var(--border);
}

.back-link:hover {
  background: var(--accent);
  color: var(--text-primary);
}

.header h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.header h1 .subtitle {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 13px;
  margin-left: 8px;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 40px;
}

.shift-info, .wip-summary {
  text-align: center;
}

.shift-label, .wip-label {
  display: block;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.shift-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.wip-count {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.wip-label {
  margin-top: 2px;
}

.header-right .datetime {
  text-align: right;
}

.header-right .time {
  font-size: 18px;
  font-weight: 600;
  font-family: 'SF Mono', Monaco, monospace;
  color: var(--text-primary);
}

.header-right .date {
  font-size: 11px;
  color: var(--text-muted);
}

/* Main Container */
.main-container {
  display: grid;
  grid-template-columns: 260px 1fr 260px;
  flex: 1;
  overflow: hidden;
}

/* Panels */
.panel {
  background: var(--bg-medium);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel:last-child {
  border-right: none;
  border-left: 1px solid var(--border);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.btn-new {
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
}

.btn-new:hover {
  background: var(--accent);
  color: var(--text-primary);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.filter-bar select {
  flex: 1;
  background: var(--bg-light);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 11px;
}

/* Work Order List */
.work-order-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.wo-item {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 6px;
  cursor: pointer;
  border-left: 3px solid var(--text-muted);
  transition: all 0.15s;
}

.wo-item:hover {
  background: var(--accent);
}

.wo-item.selected {
  border-left-color: var(--status-good);
  background: var(--accent);
}

.wo-item.status-queued { border-left-color: var(--status-info); }
.wo-item.status-in-progress { border-left-color: var(--status-good); }
.wo-item.status-held { border-left-color: var(--status-bad); }

.wo-item .wo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.wo-item .wo-id {
  font-size: 11px;
  font-weight: 600;
  font-family: 'SF Mono', Monaco, monospace;
  color: var(--text-secondary);
}

.wo-item .wo-priority {
  font-size: 8px;
  padding: 2px 5px;
  border-radius: 2px;
  text-transform: uppercase;
  font-weight: 500;
}

.wo-item .priority-high { background: rgba(248, 113, 113, 0.2); color: var(--status-bad); }
.wo-item .priority-normal { background: var(--bg-dark); color: var(--text-muted); }

.wo-item .wo-title {
  font-size: 12px;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.wo-item .wo-meta {
  font-size: 10px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Main Content */
.content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.view-tabs {
  display: flex;
  background: var(--bg-medium);
  border-bottom: 1px solid var(--border);
}

.view-tabs .tab {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 12px 18px;
  font-size: 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.view-tabs .tab:hover {
  color: var(--text-secondary);
}

.view-tabs .tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--text-secondary);
}

.view-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* Work Order Detail */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.wo-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wo-info .wo-id {
  font-size: 20px;
  font-weight: 700;
  font-family: 'SF Mono', Monaco, monospace;
  color: var(--text-primary);
}

.wo-info .wo-type {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.wo-type.type-permit { border-left: 3px solid var(--status-info); }
.wo-type.type-deed { border-left: 3px solid var(--text-muted); }
.wo-type.type-filing { border-left: 3px solid var(--status-good); }

.wo-info .wo-priority {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.packml-state {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 12px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.packml-state.state-execute { border-left: 3px solid var(--status-good); color: var(--status-good); }
.packml-state.state-idle { border-left: 3px solid var(--status-info); color: var(--status-info); }
.packml-state.state-held { border-left: 3px solid var(--status-bad); color: var(--status-bad); }

.packml-state .state-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Detail Grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.detail-card {
  background: var(--bg-medium);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px;
}

.detail-card h3 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.detail-card dl {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 6px;
}

.detail-card dt {
  font-size: 11px;
  color: var(--text-muted);
}

.detail-card dd {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Step Progress */
.step-progress {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
}

.step-progress .step {
  flex: 1;
  padding: 6px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 10px;
  text-align: center;
  color: var(--text-muted);
}

.step-progress .step.completed {
  background: rgba(74, 222, 128, 0.1);
  border-color: var(--status-good);
  color: var(--status-good);
}

.step-progress .step.active {
  background: var(--accent);
  border-color: var(--text-secondary);
  color: var(--text-primary);
  font-weight: 500;
}

.step-timer {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.step-timer .label { color: var(--text-muted); }
.step-timer .value { font-weight: 500; color: var(--text-secondary); }

/* Document List */
.doc-list {
  list-style: none;
}

.doc-list .doc {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

.doc-list .doc:last-child { border-bottom: none; }

.doc-icon {
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 2px 5px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 500;
  color: var(--text-muted);
}

/* Activity Log */
.activity-log {
  list-style: none;
}

.activity-log li {
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  display: flex;
  gap: 10px;
  color: var(--text-secondary);
}

.activity-log li:last-child { border-bottom: none; }

.activity-log .time {
  color: var(--text-muted);
  font-family: 'SF Mono', Monaco, monospace;
  min-width: 36px;
}

/* Detail Actions */
.detail-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.detail-actions .btn {
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.btn-hold { background: var(--bg-light); color: var(--text-secondary); }
.btn-reassign { background: var(--bg-light); color: var(--text-secondary); }
.btn-complete { background: var(--status-good); border-color: var(--status-good); color: var(--bg-dark); }

.btn:hover { opacity: 0.9; }

/* Resources Panel */
.panel-section {
  padding: 14px;
  border-bottom: 1px solid var(--border);
}

.panel-section h3 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.resource-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 6px;
  align-items: center;
  padding: 6px 0;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.resource-item:last-child { border-bottom: none; }

.resource-item .load {
  padding: 2px 5px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 500;
}

.load-high { background: rgba(248, 113, 113, 0.15); color: var(--status-bad); }
.load-medium { background: rgba(251, 191, 36, 0.15); color: var(--status-warn); }
.load-low { background: rgba(74, 222, 128, 0.15); color: var(--status-good); }

.resource-item .status {
  font-size: 9px;
  padding: 2px 5px;
  border-radius: 2px;
}

.status.available { background: rgba(74, 222, 128, 0.15); color: var(--status-good); }
.status.break { background: var(--bg-light); color: var(--text-muted); }

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.metric {
  text-align: center;
  padding: 10px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.metric .value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.metric .label {
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Bottleneck List */
.bottleneck-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 6px;
  padding: 8px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 6px;
  font-size: 11px;
}

.bottleneck-item.warning {
  border-left: 3px solid var(--status-warn);
}

.bottleneck-item .office { font-weight: 500; color: var(--text-secondary); }
.bottleneck-item .count { color: var(--text-muted); }
.bottleneck-item .wait { color: var(--text-muted); }

/* Responsive */
@media (max-width: 1024px) {
  .main-container {
    grid-template-columns: 1fr;
  }
  .panel { display: none; }
  .header-center { display: none; }
}