/* CryptoPulse Centralized Monitoring Dashboard Stylesheet */
:root {
  --bg-main: #0b0f19;
  --bg-card: #151d2f;
  --bg-card-hover: #1c273e;
  --bg-sidebar: #0d1322;
  --border-color: #243049;
  --border-subtle: #1a2336;
  --text-main: #f1f5f9;
  --text-muted: #8b9bb4;
  --text-dim: #62728d;
  
  --emerald: #10b981;
  --emerald-bg: rgba(16, 185, 129, 0.12);
  --rose: #f43f5e;
  --rose-bg: rgba(244, 63, 94, 0.12);
  --amber: #f59e0b;
  --amber-bg: rgba(245, 158, 11, 0.12);
  --sky: #38bdf8;
  --sky-bg: rgba(56, 189, 248, 0.12);
  --indigo: #6366f1;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* LAYOUT */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  padding: 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.logo-badge {
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: white;
  font-weight: 800;
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.logo-badge.sm {
  width: 30px;
  height: 30px;
  font-size: 12px;
}

.brand-name {
  font-weight: 700;
  font-size: 15px;
  display: block;
}

.brand-tag {
  font-size: 11px;
  color: var(--emerald);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-menu {
  padding: 16px 8px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all 0.15s ease;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-main);
}

.nav-item.active {
  background: var(--bg-card);
  color: var(--sky);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--sky);
}

.nav-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.counter-pill {
  margin-left: auto;
  background: var(--rose-bg);
  color: var(--rose);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.user-id {
  font-size: 12px;
  font-family: monospace;
  color: var(--text-main);
}

.btn-logout {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
}

.btn-logout svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.btn-logout:hover {
  color: var(--rose);
  background: var(--rose-bg);
}

/* CONTENT AREA */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.topbar {
  padding: 18px 28px;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.topbar-left h1 {
  font-size: 20px;
  font-weight: 700;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  background: var(--bg-card);
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-green { background: var(--emerald); box-shadow: 0 0 8px var(--emerald); }
.dot-amber { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.dot-red { background: var(--rose); box-shadow: 0 0 8px var(--rose); }

.refresh-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* TAB CONTENT */
.tab-pane {
  display: none;
  padding: 24px 28px;
}

.tab-pane.active {
  display: block;
}

/* KPI CARDS */
.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: 10px;
  padding: 18px 20px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.kpi-card:hover {
  border-color: var(--sky);
  transform: translateY(-1px);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpi-title {
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  margin: 8px 0 4px;
}

.kpi-subtext {
  font-size: 12px;
  color: var(--text-muted);
}

/* CARDS & TABLES */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  background: var(--bg-sidebar);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.data-table tr:hover td {
  background: var(--bg-card-hover);
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-critical, .badge-error, .badge-failed { background: var(--rose-bg); color: var(--rose); }
.badge-warning, .badge-stale { background: var(--amber-bg); color: var(--amber); }
.badge-healthy, .badge-success, .badge-connected { background: var(--emerald-bg); color: var(--emerald); }
.badge-info, .badge-unresolved { background: var(--sky-bg); color: var(--sky); }
.badge-inactive, .badge-resolved { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); }

/* BUTTONS & INPUTS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary { background: #3b82f6; color: white; }
.btn-primary:hover { background: #2563eb; }
.btn-secondary { background: var(--bg-card-hover); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--border-color); }
.btn-link { background: transparent; color: var(--sky); padding: 0; }
.btn-link:hover { text-decoration: underline; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }
.btn-block { width: 100%; justify-content: center; }

.select-sm, .input-sm {
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  outline: none;
}

.select-sm:focus, .input-sm:focus {
  border-color: var(--sky);
}

/* HEALTH METRICS LIST */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 20px;
}

.metrics-list {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
}

.metric-label { color: var(--text-muted); }

/* MODALS */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 380px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-header .logo-badge {
  margin: 0 auto 12px;
}

.login-header h2 { font-size: 18px; font-weight: 700; }
.login-header p { font-size: 12px; color: var(--text-muted); }

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
}

.form-group input:focus { border-color: var(--sky); }

.error-banner {
  background: var(--rose-bg);
  border: 1px solid var(--rose);
  color: var(--rose);
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

/* INCIDENT DETAIL MODAL */
.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 820px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.diagnosis-card {
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
}

.diagnosis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.diagnosis-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--sky);
  letter-spacing: 0.5px;
}

.diagnosis-text {
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.diagnosis-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.prompt-box {
  background: #0a0e17;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.prompt-header {
  padding: 8px 14px;
  background: #111827;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prompt-content {
  padding: 14px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11.5px;
  color: #38bdf8;
  white-space: pre-wrap;
  max-height: 220px;
  overflow-y: auto;
}

.json-viewer {
  background: #0a0e17;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  font-family: monospace;
  font-size: 11.5px;
  color: #a5b4fc;
  max-height: 160px;
  overflow-y: auto;
}

/* UTILITY */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--emerald); }
.text-danger { color: var(--rose); }
.text-warning { color: var(--amber); }
.font-mono { font-family: monospace; }
.mt-6 { margin-top: 24px; }
.mr-2 { margin-right: 8px; }
.py-6 { padding-top: 24px; padding-bottom: 24px; }
.text-center { text-align: center; }
.flex-wrap { flex-wrap: wrap; gap: 12px; }
.header-filters { display: flex; align-items: center; gap: 10px; }