/* Virtual Atmosphere (VA) - Custom Design System */
:root {
  --bg-primary: #07111F;
  --bg-secondary: #0D1B2A;
  --bg-card: #10263A;
  --bg-card-hover: #15324c;
  --primary-cyan: #51D8FF;
  --primary-cyan-rgb: 81, 216, 255;
  --secondary-blue: #1677FF;
  --text-white: #FFFFFF;
  --text-secondary: #91A9BF;
  --text-muted: #647B91;
  --success: #32D583;
  --success-rgb: 50, 213, 131;
  --warning: #FFB547;
  --warning-rgb: 255, 181, 71;
  --danger: #FF5D73;
  --danger-rgb: 255, 93, 115;
  --border-color: #243B50;
  --border-light: rgba(81, 216, 255, 0.15);
  
  --sidebar-width: 260px;
  --header-height: 70px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-glow-cyan: 0 0 15px rgba(81, 216, 255, 0.25);
  --shadow-glow-danger: 0 0 15px rgba(255, 93, 115, 0.3);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Base resets & typography */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-white);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

a {
  color: var(--primary-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #8be4ff;
}

/* App Layout */
.app-wrapper {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* Sidebar Navigation */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1020;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 20px 22px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wordmark {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-wordmark .accent-va {
  color: var(--primary-cyan);
  font-weight: 800;
  text-shadow: 0 0 12px rgba(81, 216, 255, 0.4);
}

.brand-tagline {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.sidebar-nav {
  list-style: none;
  padding: 16px 12px;
  margin: 0;
  flex-grow: 1;
  overflow-y: auto;
}

.sidebar-nav-item {
  margin-bottom: 6px;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.sidebar-nav-link svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-secondary);
  transition: stroke 0.2s ease;
  flex-shrink: 0;
}

.sidebar-nav-link:hover {
  background-color: rgba(81, 216, 255, 0.08);
  color: var(--text-white);
  border-color: rgba(81, 216, 255, 0.15);
}

.sidebar-nav-link:hover svg {
  stroke: var(--primary-cyan);
}

.sidebar-nav-link.active {
  background: linear-gradient(90deg, rgba(81, 216, 255, 0.15), rgba(22, 119, 255, 0.05));
  color: var(--primary-cyan);
  font-weight: 600;
  border-color: rgba(81, 216, 255, 0.3);
  box-shadow: inset 3px 0 0 var(--primary-cyan);
}

.sidebar-nav-link.active svg {
  stroke: var(--primary-cyan);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
}

/* Main Content Area */
.app-main {
  flex-grow: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

/* Top Header */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1010;
}

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

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-white);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.header-title-box h1 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: var(--text-white);
}

.header-meta {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

/* Connection Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-pill.online {
  background-color: rgba(50, 213, 131, 0.12);
  color: var(--success);
  border-color: rgba(50, 213, 131, 0.25);
}
.status-pill.online .status-dot {
  background-color: var(--success);
  box-shadow: 0 0 8px rgba(50, 213, 131, 0.7);
  animation: pulse-green 2s infinite;
}

.status-pill.offline {
  background-color: rgba(255, 93, 115, 0.12);
  color: var(--danger);
  border-color: rgba(255, 93, 115, 0.25);
}
.status-pill.offline .status-dot {
  background-color: var(--danger);
  box-shadow: 0 0 8px rgba(255, 93, 115, 0.7);
}

.status-pill.demo {
  background-color: rgba(255, 181, 71, 0.12);
  color: var(--warning);
  border-color: rgba(255, 181, 71, 0.25);
}
.status-pill.demo .status-dot {
  background-color: var(--warning);
  box-shadow: 0 0 8px rgba(255, 181, 71, 0.7);
}

@keyframes pulse-green {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Demo Banner */
.demo-banner {
  background: linear-gradient(90deg, rgba(255, 181, 71, 0.15) 0%, rgba(22, 119, 255, 0.08) 100%);
  border-bottom: 1px solid rgba(255, 181, 71, 0.3);
  padding: 8px 24px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #ffe1b3;
}

.demo-banner strong {
  color: var(--warning);
}

/* Page Container */
.page-container {
  padding: 24px 28px;
  flex-grow: 1;
}

/* Cards */
.va-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.va-card:hover {
  border-color: rgba(81, 216, 255, 0.25);
}

.va-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.va-card-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  font-weight: 600;
  margin: 0;
}

.va-metric-val {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.va-metric-unit {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 3px;
}

.va-metric-subtext {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.trend-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.trend-up {
  background-color: rgba(255, 93, 115, 0.15);
  color: var(--danger);
}

.trend-down {
  background-color: rgba(81, 216, 255, 0.15);
  color: var(--primary-cyan);
}

.trend-neutral {
  background-color: rgba(145, 169, 191, 0.15);
  color: var(--text-secondary);
}

/* Alert Banner */
.alert-warning-banner {
  background: linear-gradient(90deg, rgba(255, 93, 115, 0.15) 0%, rgba(16, 38, 58, 0.9) 100%);
  border: 1px solid var(--danger);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-glow-danger);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: pulse-border 2.5s infinite;
}

@keyframes pulse-border {
  0% { border-color: rgba(255, 93, 115, 0.5); }
  50% { border-color: var(--danger); }
  100% { border-color: rgba(255, 93, 115, 0.5); }
}

.alert-warning-banner .alert-title {
  color: var(--danger);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.alert-warning-banner p {
  color: #ffccd4;
  font-size: 13px;
  margin: 0;
}

/* Buttons */
.va-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.va-btn-primary {
  background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-blue));
  color: #07111f;
  box-shadow: 0 2px 8px rgba(81, 216, 255, 0.3);
}

.va-btn-primary:hover {
  background: linear-gradient(135deg, #7ee1ff, #388dff);
  color: #07111f;
  box-shadow: 0 4px 12px rgba(81, 216, 255, 0.4);
}

.va-btn-secondary {
  background-color: rgba(145, 169, 191, 0.12);
  color: var(--text-white);
  border-color: var(--border-color);
}

.va-btn-secondary:hover {
  background-color: rgba(145, 169, 191, 0.2);
  color: var(--text-white);
  border-color: var(--primary-cyan);
}

.va-btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}

.va-btn-danger:hover {
  background-color: #ff405b;
}

.va-btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* Form inputs */
.va-input, .va-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-white);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.va-input:focus, .va-select:focus {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 0 2px rgba(81, 216, 255, 0.2);
}

/* Tables */
.va-table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

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

.va-table th {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 12px 16px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border-color);
}

.va-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(36, 59, 80, 0.6);
  color: var(--text-white);
}

.va-table tbody tr:hover {
  background-color: rgba(81, 216, 255, 0.04);
}

.va-table tbody tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-tag.valid {
  background-color: rgba(50, 213, 131, 0.15);
  color: var(--success);
}

.badge-tag.invalid, .badge-tag.error {
  background-color: rgba(255, 93, 115, 0.15);
  color: var(--danger);
}

.badge-tag.demo {
  background-color: rgba(255, 181, 71, 0.15);
  color: var(--warning);
}

.badge-tag.hardware {
  background-color: rgba(81, 216, 255, 0.15);
  color: var(--primary-cyan);
}

/* Chart Container */
.chart-box {
  position: relative;
  width: 100%;
  height: 280px;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-group-pill {
  display: inline-flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.btn-group-pill button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-group-pill button:hover {
  color: var(--text-white);
}

.btn-group-pill button.active {
  background-color: var(--primary-cyan);
  color: #07111F;
}

/* Empty / Loading States */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  text-align: center;
}

.state-container svg {
  width: 44px;
  height: 44px;
  stroke: var(--text-muted);
  margin-bottom: 12px;
}

.spinner-glow {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(81, 216, 255, 0.2);
  border-top-color: var(--primary-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

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

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-100%);
  }

  .app-sidebar.show {
    transform: translateX(0);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.7);
  }

  .app-main {
    margin-left: 0;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .app-header {
    padding: 0 16px;
  }

  .page-container {
    padding: 16px;
  }
}

/* Backdrop for mobile drawer */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1015;
}

.sidebar-backdrop.show {
  display: block;
}


/* ===================================================
   Team, Project Overview, Workflow & Architecture Styles
   =================================================== */

/* Team Member Cards */
.team-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-cyan), var(--secondary-blue));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: rgba(81, 216, 255, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 16px rgba(81, 216, 255, 0.15);
}

.team-card:hover::before {
  opacity: 1;
}

.team-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(81, 216, 255, 0.2), rgba(22, 119, 255, 0.25));
  border: 2px solid var(--primary-cyan);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  box-shadow: 0 0 12px rgba(81, 216, 255, 0.2);
}

.team-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}

.team-role {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background-color: rgba(81, 216, 255, 0.12);
  color: var(--primary-cyan);
  border: 1px solid rgba(81, 216, 255, 0.25);
  margin-bottom: 14px;
}

.team-role.lead {
  background-color: rgba(255, 181, 71, 0.15);
  color: var(--warning);
  border-color: rgba(255, 181, 71, 0.35);
}

.team-resp-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 6px;
  align-self: flex-start;
  text-align: left;
}

.team-resp {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  text-align: left;
  flex-grow: 1;
  width: 100%;
}

/* Workflow Step Cards */
.workflow-step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  height: 100%;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.workflow-step-card:hover {
  transform: translateY(-2px);
  border-color: rgba(81, 216, 255, 0.3);
}

.workflow-step-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-blue));
  color: #07111F;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(81, 216, 255, 0.3);
}

.workflow-step-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 8px;
}

.workflow-step-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}

/* Architecture Pipeline Flow */
.architecture-flow {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
}

.arch-node {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  flex: 1 1 180px;
  min-width: 170px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.arch-node:hover {
  border-color: var(--primary-cyan);
  transform: translateY(-2px);
}

.arch-node-tag {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
}

.arch-node-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
}

.arch-node-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

.arch-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  font-size: 18px;
  font-weight: bold;
  padding: 0 4px;
}

@media (max-width: 767.98px) {
  .arch-connector {
    width: 100%;
    transform: rotate(90deg);
    padding: 4px 0;
  }
}

/* Overview Section Headings & Highlights */
.section-lead-box {
  background: linear-gradient(135deg, rgba(16, 38, 58, 0.8), rgba(13, 27, 42, 0.9));
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-cyan);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.live-link-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(81, 216, 255, 0.12);
  color: var(--primary-cyan);
  border: 1px solid rgba(81, 216, 255, 0.35);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.live-link-pill:hover {
  background-color: rgba(81, 216, 255, 0.22);
  color: #FFFFFF;
  border-color: var(--primary-cyan);
  box-shadow: 0 0 12px rgba(81, 216, 255, 0.3);
}

.live-link-pill svg {
  width: 14px;
  height: 14px;
}