/* ==========================================================================
   CloudPulse AWS - Master Design System & Glassmorphism Stylesheet
   ========================================================================== */

:root {
  /* Color Palette - Dark Matrix Observability */
  --bg-primary: #080c14;
  --bg-deep: #080c14;
  --bg-secondary: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(26, 36, 56, 0.85);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-border-focus: rgba(6, 182, 212, 0.4);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --text-dim: #64748b;

  /* Accent Colors */
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.25);
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Font Families */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 36px -4px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px -5px rgba(6, 182, 212, 0.3);

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Hidden Utility */
.hidden {
  display: none !important;
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(139, 92, 246, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.6);
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.25);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.45);
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2rem;
  background: rgba(11, 15, 25, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-card-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-icon {
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 10px var(--accent-cyan-glow));
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-icon {
  transform: scale(1.08);
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* Mode Pill */
.mode-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.8rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fbbf24;
  transition: all var(--transition-normal);
}

.mode-pill.live-mode {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.4);
  color: #38bdf8;
}

.status-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
}

.mode-pill.live-mode .status-indicator-dot {
  background: #06b6d4;
  box-shadow: 0 0 10px #06b6d4;
}

.status-indicator-dot.pulse {
  animation: pulse-ring 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.6; }
}

/* Control Selects */
.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.select-input {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.select-input:hover, .select-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #0891b2);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.7);
  border-color: var(--bg-card-border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: transparent;
  border-color: rgba(6, 182, 212, 0.4);
  color: var(--accent-cyan);
}

.btn-outline:hover {
  background: rgba(6, 182, 212, 0.12);
  border-color: var(--accent-cyan);
}

.btn-xs {
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
}

/* Rotating icon on refresh */
.spin {
  animation: spin-clockwise 0.8s linear infinite;
}
@keyframes spin-clockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Alert Banner
   ========================================================================== */

.alert-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 2rem;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.12), rgba(6, 182, 212, 0.12));
  border-bottom: 1px solid rgba(245, 158, 11, 0.25);
  transition: opacity var(--transition-normal);
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.banner-badge {
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.25);
  color: #fbbf24;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.banner-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-banner-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.btn-banner-close:hover {
  color: var(--text-main);
}

/* ==========================================================================
   Dashboard Main Layout
   ========================================================================== */

.dashboard-main {
  max-width: 1540px;
  margin: 0 auto;
  padding: 1.75rem 2rem 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.45rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-lg);
}

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

.kpi-title {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-cyan {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
}
.icon-purple {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
}
.icon-blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
}
.icon-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
}

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.kpi-main-value {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: #ffffff;
}

.kpi-unit {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.kpi-sub-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-neutral {
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* Progress bar in KPI */
.kpi-progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.kpi-progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-cpu {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
}

.progress-mem {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}

.kpi-meta-text {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-subtle);
}

.status-tag {
  font-weight: 600;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.status-normal {
  color: #34d399;
  background: rgba(16, 185, 129, 0.1);
}

.status-high {
  color: #f87171;
  background: rgba(248, 113, 113, 0.1);
}

.kpi-network-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.split-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 3px;
}

.in-dot { background: var(--accent-emerald); }
.out-dot { background: var(--accent-cyan); }

/* ==========================================================================
   Panel Card & Chart Section
   ========================================================================== */

.panel-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.panel-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--bg-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.panel-title-area {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.panel-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.selected-instance-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.panel-controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* Segmented Control */
.segmented-control {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--bg-card-border);
  padding: 3px;
  border-radius: var(--radius-md);
}

.seg-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.seg-btn:hover {
  color: var(--text-main);
}

.seg-btn.active {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

#metric-tab-bar .seg-btn.active {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3), rgba(139, 92, 246, 0.3));
  border: 1px solid rgba(6, 182, 212, 0.4);
  color: #ffffff;
}

/* Chart Canvas Area */
.chart-wrapper {
  padding: 1.5rem 1.75rem;
  position: relative;
  height: 320px;
}

.chart-stats-strip {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.75rem;
  background: rgba(15, 23, 42, 0.5);
  border-top: 1px solid var(--bg-card-border);
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.stat-lbl {
  color: var(--text-muted);
}

.stat-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #ffffff;
}

/* ==========================================================================
   Fleet Table & Search Section
   ========================================================================== */

.fleet-header {
  flex-wrap: wrap;
}

.fleet-header-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.fleet-count-tag {
  font-size: 0.75rem;
  color: var(--text-subtle);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
}

.fleet-filters {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-subtle);
  pointer-events: none;
}

.search-input {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  padding: 0.45rem 0.85rem 0.45rem 2.2rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-family: inherit;
  width: 240px;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  width: 280px;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

.filter-pills {
  display: flex;
  gap: 0.35rem;
}

.pill-filter {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pill-filter:hover {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

.pill-filter.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #080c14;
}

/* Responsive Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  padding: 0.85rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: rgba(15, 23, 42, 0.4);
  border-bottom: 1px solid var(--bg-card-border);
  white-space: nowrap;
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
}

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

.data-table tbody tr.selected-row {
  background-color: rgba(6, 182, 212, 0.08);
  border-left: 3px solid var(--accent-cyan);
}

/* Cell content styling */
.instance-cell-main {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.instance-name {
  font-weight: 600;
  color: #ffffff;
}

.instance-id {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-subtle);
}

.acc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

.acc-badge-1 {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.35);
}

.acc-badge-2 {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.35);
}

.acc-badge-3 {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.state-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: capitalize;
}

.state-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.state-running {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}
.state-running .state-dot {
  background: #34d399;
  box-shadow: 0 0 6px #34d399;
}

.state-stopped {
  background: rgba(100, 116, 139, 0.15);
  color: #94a3b8;
}
.state-stopped .state-dot {
  background: #94a3b8;
}

.state-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}
.state-warning .state-dot {
  background: #fbbf24;
}

.cell-mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.type-tag {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #e2e8f0;
}

.metric-bar-cell {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 90px;
}

.metric-bar-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.metric-mini-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.mini-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
}

.btn-table-action {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  color: var(--accent-cyan);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-table-action:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
}

/* ==========================================================================
   Modal Dialog
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: modal-enter 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-enter {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--bg-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--accent-cyan);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: #ffffff;
}

.modal-body {
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--bg-card-border);
  gap: 1rem;
}

.modal-tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 0.2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

.modal-tab-content.hidden {
  display: none;
}

.settings-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.settings-box-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
}

.settings-box-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.mode-toggle-group {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.test-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.test-status-pill {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
}

.code-block {
  background: #080c14;
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #38bdf8;
  overflow-x: auto;
  line-height: 1.5;
}

.guide-content h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: #ffffff;
  margin: 1.25rem 0 0.4rem 0;
}
.guide-content h4:first-child {
  margin-top: 0;
}

.guide-content p, .guide-content ul {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.guide-content ul {
  padding-left: 1.2rem;
}

.guide-content code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  color: #38bdf8;
  font-size: 0.76rem;
}

.modal-footer {
  padding: 1rem 1.75rem;
  border-top: 1px solid var(--bg-card-border);
  display: flex;
  justify-content: flex-end;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #0f172a;
  border: 1px solid var(--bg-card-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-main);
  animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 260px;
  max-width: 380px;
}

.toast.toast-success {
  border-left: 4px solid var(--accent-emerald);
}
.toast.toast-error {
  border-left: 4px solid var(--accent-rose);
}
.toast.toast-info {
  border-left: 4px solid var(--accent-cyan);
}

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .app-header {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .dashboard-main {
    padding: 1rem;
  }
  .fleet-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .fleet-filters {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  .header-left, .header-right {
    width: 100%;
    justify-content: space-between;
  }
  .control-group {
    flex-direction: column;
    align-items: flex-start;
  }
  .search-input {
    width: 100%;
  }
}

/* Loading States */
.table-loading-cell {
  text-align: center;
  padding: 3rem 1.5rem !important;
  color: var(--text-muted);
}

.loader-flex {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.pulse-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(6, 182, 212, 0.25);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   ActionFi Branding & Login Page
   ========================================================================== */

.actionfi-nav-logo {
  height: 28px;
  max-width: 130px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(56, 189, 248, 0.2));
}

.brand-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 0.25rem;
}

.user-pill-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.3);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  color: #38bdf8;
}

.user-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 8px #38bdf8;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: #fb7185;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background: rgba(244, 63, 94, 0.2);
  border-color: rgba(244, 63, 94, 0.45);
  color: #ffffff;
}

/* Login Page Layout */
.login-page-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #080c14;
  background-image: 
    radial-gradient(circle at 50% 15%, rgba(6, 182, 212, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.14) 0%, transparent 40%),
    radial-gradient(circle at 15% 85%, rgba(59, 130, 246, 0.12) 0%, transparent 40%);
  background-attachment: fixed;
  color: #f8fafc;
  font-family: var(--font-body);
  position: relative;
  overflow: hidden;
}

/* Ambient dynamic background lighting */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 1;
}

.glow-cyan {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
}

.glow-purple {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
  bottom: -100px;
  right: 15%;
}

.login-container {
  width: 100%;
  max-width: 440px;
  padding: 1.5rem;
  z-index: 10;
  position: relative;
}

.login-card {
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.2rem;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.75), 0 0 35px rgba(6, 182, 212, 0.12);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo-wrap {
  margin-bottom: 1.25rem;
}

.login-actionfi-logo {
  height: 52px;
  max-width: 210px;
  object-fit: contain;
  filter: drop-shadow(0 4px 16px rgba(56, 189, 248, 0.3));
}

.login-brand-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.login-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.login-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0.5rem 0 0;
}

.login-error-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #fda4af;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  margin-bottom: 1.5rem;
  animation: toast-in 0.2s ease;
}

.login-error-box.hidden {
  display: none !important;
}

.btn-spinner.hidden {
  display: none !important;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 0.9rem;
  color: var(--text-dim);
  pointer-events: none;
}

.form-input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(10, 15, 30, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.18);
  background: rgba(10, 15, 30, 0.95);
}

.btn-toggle-pw {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.btn-toggle-pw:hover {
  color: var(--accent-cyan);
}

.login-btn {
  width: 100%;
  padding: 0.85rem;
  font-size: 0.92rem;
  font-weight: 700;
  margin-top: 0.5rem;
  justify-content: center;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.login-footer {
  text-align: center;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.login-security-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  color: var(--text-dim);
  font-weight: 500;
}