/* Logistics Control Tower Design System - WCAG 2.2 AA Compliant */
:root {
  --bg-main: #090d16;
  --bg-card: #0f172a;
  --bg-sidebar: #070a12;
  --bg-input: #1e293b;
  --border-color: #334155;
  --border-focus: #3b82f6;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  min-height: 100vh;
}

/* Layout Shell */
.app-shell { display: flex; width: 100%; min-height: 100vh; }
.app-sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo { font-size: 20px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.5px; }
.brand-logo span { color: var(--accent-blue); }
.env-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
}
.env-badge.staging { background: rgba(245, 158, 11, 0.2); color: var(--accent-amber); border: 1px solid var(--accent-amber); }
.env-badge.prod { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); border: 1px solid var(--accent-green); }

.sidebar-nav { padding: 16px 12px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: var(--text-primary); }
.nav-item.active { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); font-weight: 600; }

.sidebar-footer { padding: 16px; border-top: 1px solid var(--border-color); }
.user-menu { display: flex; align-items: center; justify-content: space-between; }
.user-info { display: flex; flex-direction: column; }
.user-name { font-weight: 600; color: var(--text-primary); }
.user-role { font-size: 11px; color: var(--text-muted); }

/* Main Content Area */
.app-main { flex: 1; display: flex; flex-direction: column; overflow-x: hidden; }
.top-header {
  height: 64px;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-title { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.header-actions { display: flex; align-items: center; gap: 16px; }

.health-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.health-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-green); }

.content-container { padding: 28px; flex: 1; display: flex; flex-direction: column; gap: 24px; }

/* KPI Grid */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kpi-label { font-size: 12px; color: var(--text-secondary); text-transform: uppercase; font-weight: 600; }
.kpi-value { font-size: 28px; font-weight: 700; color: var(--text-primary); }
.kpi-sub { font-size: 12px; color: var(--text-muted); }

/* Card Containers */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.card-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th {
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  color: var(--text-primary);
  font-size: 13px;
}
.data-table tr:hover { background: rgba(255, 255, 255, 0.02); }

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-armed { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.badge-polling { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.badge-confirmed, .badge-completed, .badge-healthy { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.badge-rate_limited, .badge-partial_success, .badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.badge-failed, .badge-expired, .badge-error { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.badge-paused, .badge-stopped, .badge-draft { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }

/* Forms & Inputs */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--border-focus); }
.form-textarea { resize: vertical; min-height: 100px; font-family: var(--font-mono); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
}
.btn-primary { background: var(--accent-blue); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-success { background: var(--accent-green); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-secondary { background: #334155; color: var(--text-primary); }
.btn-secondary:hover { background: #475569; }
.btn-danger { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); border: 1px solid var(--accent-red); }
.btn-danger:hover { background: var(--accent-red); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Alert / Needs Attention Box */
.alert-card {
  padding: 16px;
  border-radius: 6px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
.alert-card.warning { background: rgba(245, 158, 11, 0.1); border-left: 4px solid var(--accent-amber); }
.alert-card.critical { background: rgba(239, 68, 68, 0.1); border-left: 4px solid var(--accent-red); }
.alert-title { font-weight: 600; margin-bottom: 2px; }
.alert-msg { font-size: 12px; color: var(--text-secondary); }

/* Toast Notifications */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #1e293b;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 13px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  animation: slideIn 0.2s ease-out;
}
.toast.success { border-color: var(--accent-green); }
.toast.error { border-color: var(--accent-red); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Modals */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.7); display: none; align-items: center; justify-content: center; z-index: 999;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 90%; max-width: 600px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 16px;
}