:root {
  --glass-border: rgba(255,255,255,0.14);
  --glass-fill: rgba(20,28,36,0.45);
  --glass-fill-strong: rgba(13,18,24,0.68);
  --glass-highlight: rgba(255,255,255,0.08);
  --glass-shadow: 0 20px 45px rgba(0,0,0,0.28);
  --tone-success: #3fb950;
  --tone-warning: #f0ad4e;
  --tone-critical: #ff6b6b;
  --tone-info: #5bc0de;
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(54, 162, 235, 0.24), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(32, 201, 151, 0.18), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(255, 193, 7, 0.10), transparent 28%),
    linear-gradient(160deg, #091018 0%, #0f1722 42%, #111c29 100%);
  background-attachment: fixed;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  filter: blur(55px);
  pointer-events: none;
  opacity: 0.35;
  z-index: 0;
}

body::before {
  top: -7rem;
  right: -5rem;
  background: rgba(84, 214, 255, 0.22);
}

body::after {
  bottom: -9rem;
  left: 18rem;
  background: rgba(72, 255, 163, 0.16);
}

.app-shell {
  position: relative;
  z-index: 1;
}

.sidebar {
  min-height: 100vh;
  width: 260px;
  position: fixed;
  left: 0;
  top: 0;
  padding: 1rem;
  border-right: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(20px) saturate(155%);
  -webkit-backdrop-filter: blur(20px) saturate(155%);
  z-index: 2;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.85rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  flex: 0 0 auto;
}

.content {
  margin-left: 260px;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

.content-inner {
  max-width: 1440px;
}

.app-footer {
  margin-left: 260px;
  padding: 0 1.5rem 1.5rem;
  position: relative;
  z-index: 1;
}

.app-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.mono-wrap {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.small-muted {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
}

.card {
  border: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.card .card-body,
.card .card-header {
  background: transparent;
}

.list-group-item,
.nav-tabs .nav-link,
.btn-outline-secondary,
.form-select,
.form-control,
.progress,
.codebox {
  border-color: var(--glass-border) !important;
  background: var(--glass-fill) !important;
  backdrop-filter: blur(16px) saturate(145%);
  -webkit-backdrop-filter: blur(16px) saturate(145%);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.btn-primary {
  box-shadow: 0 10px 24px rgba(13, 110, 253, 0.25);
}

.btn-outline-secondary,
.form-select {
  color: rgba(255,255,255,0.92) !important;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.08)) !important;
}

.form-control {
  color: rgba(255,255,255,0.96) !important;
  caret-color: #ffffff;
}

.form-control::placeholder {
  color: rgba(255,255,255,0.58);
}

.form-control:focus {
  color: #ffffff !important;
  border-color: rgba(255,255,255,0.24) !important;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.form-select:hover,
.form-select:focus {
  color: #ffffff !important;
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.12)) !important;
  border-color: rgba(255,255,255,0.24) !important;
}

.form-select option {
  color: #f8f9fa;
  background: #18212b;
}

.list-group-item.active,
.nav-tabs .nav-link.active {
  background: var(--glass-fill-strong) !important;
  border-color: rgba(255,255,255,0.22) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 10px 24px rgba(0,0,0,0.18);
}

.nav-tabs {
  border-bottom-color: rgba(255,255,255,0.1);
}

.progress {
  overflow: hidden;
}

.logbox {
  height: 320px;
  overflow: auto;
  white-space: pre;
}

.codebox {
  padding: 0.75rem;
  border-radius: 0.5rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-title {
  margin-bottom: 0;
}

.status-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(34rem, 0.95fr);
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--tone-info);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  box-shadow: var(--glass-shadow);
  margin-bottom: 1rem;
}

.connection-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255, 193, 7, 0.35);
  border-left: 4px solid var(--tone-warning);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(255, 193, 7, 0.14), rgba(255, 193, 7, 0.05));
  box-shadow: var(--glass-shadow);
  margin-bottom: 1rem;
}

.connection-banner-title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.connection-actions {
  display: flex;
  justify-content: flex-end;
}

.status-banner[data-tone="success"] { border-left-color: var(--tone-success); }
.status-banner[data-tone="warning"] { border-left-color: var(--tone-warning); }
.status-banner[data-tone="critical"] { border-left-color: var(--tone-critical); }
.status-banner[data-tone="info"] { border-left-color: var(--tone-info); }

.status-kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.68);
  margin-bottom: 0.4rem;
}

.status-title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.35rem;
}

.status-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.status-summary {
  margin: 0;
  color: rgba(255,255,255,0.82);
}

.status-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(16rem, 1fr));
  gap: 0.75rem;
  align-items: stretch;
}

.status-meta .meta-block {
  min-width: 0;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.85rem;
  background: rgba(255,255,255,0.04);
}

.status-meta .meta-block .mono,
.status-meta .meta-block .small-muted {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.status-pill[data-tone="success"] {
  color: #a8f0b5;
  background: rgba(63,185,80,0.14);
}

.status-pill[data-tone="warning"] {
  color: #ffd18b;
  background: rgba(240,173,78,0.15);
}

.status-pill[data-tone="critical"] {
  color: #ffc4c4;
  background: rgba(255,107,107,0.16);
}

.status-pill[data-tone="info"] {
  color: #bcefff;
  background: rgba(91,192,222,0.14);
}

.alert-stack {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.alert-card {
  padding: 0.9rem 1rem;
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--tone-info);
  border-radius: 0.9rem;
  background: rgba(255,255,255,0.05);
}

.alert-card[data-level="critical"] { border-left-color: var(--tone-critical); }
.alert-card[data-level="warning"] { border-left-color: var(--tone-warning); }
.alert-card[data-level="success"] { border-left-color: var(--tone-success); }
.alert-card[data-level="info"] { border-left-color: var(--tone-info); }

.alert-title {
  margin: 0 0 0.25rem;
  font-weight: 600;
}

.alert-detail {
  margin: 0;
  color: rgba(255,255,255,0.78);
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.62);
  margin-bottom: 0.4rem;
}

.metric-note {
  color: rgba(255,255,255,0.76);
}

.empty-state {
  color: rgba(255,255,255,0.6);
  font-style: italic;
}

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
  z-index: 1;
}

.login-panel {
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--glass-border);
  border-radius: 1.2rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  position: relative;
  z-index: 2;
}

.login-headline {
  margin-bottom: 0.35rem;
}

.login-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.login-subtitle {
  color: rgba(255,255,255,0.68);
  margin-bottom: 1rem;
}

@media (max-width: 991.98px) {
  body::before,
  body::after {
    width: 20rem;
    height: 20rem;
  }

  .sidebar {
    position: static;
    width: auto;
    min-height: auto;
    margin: 0.75rem;
    border-radius: 1rem;
  }

  .content,
  .app-footer {
    margin-left: 0;
    padding: 0.75rem;
  }

  .nav-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .status-banner {
    grid-template-columns: 1fr;
  }

  .connection-banner {
    grid-template-columns: 1fr;
  }

  .connection-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 575.98px) {
  .sidebar {
    margin: 0.5rem;
    padding: 0.85rem;
  }

  .content,
  .app-footer {
    padding: 0.5rem;
  }

  .card .card-body {
    padding: 1rem;
  }

  .h5,
  .status-title {
    overflow-wrap: anywhere;
  }

  .status-meta {
    grid-template-columns: 1fr;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .sidebar,
  .card,
  .app-footer-inner,
  .list-group-item,
  .nav-tabs .nav-link,
  .btn-outline-secondary,
  .form-select,
  .form-control,
  .progress,
  .codebox,
  .login-panel {
    background: rgba(18, 25, 34, 0.92) !important;
  }
}