:root {
  --ecs-green: #53a32b;
  --ecs-green-strong: #6abb44;
  --ecs-ink: #151820;
  --ecs-surface: #1f242e;
  --ecs-line: #3e4657;
}

html[data-theme="dark"] {
  --bg-1: #1c212a;
  --bg-2: #242b36;
  --panel: #262d39;
  --panel-border: #445066;
  --text: #f5f8ff;
  --text-muted: #bac5d9;
  --input-bg: #202734;
  --input-text: #f8fbff;
  --output-bg: #0f1520;
  --output-fg: #c8f7af;
  --hero: radial-gradient(circle at top right, rgba(106, 187, 68, 0.2), rgba(40, 47, 61, 0.8));
}

html[data-theme="light"] {
  --bg-1: #f4f7fb;
  --bg-2: #ebf0f8;
  --panel: #ffffff;
  --panel-border: #d6deeb;
  --text: #202635;
  --text-muted: #5d6a80;
  --input-bg: #ffffff;
  --input-text: #101724;
  --output-bg: #15202f;
  --output-fg: #d6ebff;
  --hero: radial-gradient(circle at top right, rgba(83, 163, 43, 0.18), rgba(248, 251, 255, 1));
}

body {
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 100%);
  color: var(--text);
  min-height: 100vh;
}

.navbar {
  background: color-mix(in srgb, var(--panel) 85%, #000 15%) !important;
  border-color: var(--panel-border) !important;
}

.navbar-brand,
.navbar .text-body-secondary,
.navbar .btn {
  color: var(--text) !important;
}

.navbar .nav-link {
  color: var(--text-muted) !important;
}

.navbar .nav-link:hover {
  color: var(--text) !important;
}

.navbar .nav-link.active {
  color: var(--ecs-green-strong) !important;
  font-weight: 600;
}

.hero-panel {
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--panel-border);
  background: var(--hero);
}

.metric-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.metric-pill {
  background: color-mix(in srgb, var(--panel) 80%, #000 20%);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-pill span {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.metric-pill strong {
  font-size: 1.1rem;
}

.panel-card {
  background: var(--panel) !important;
  border: 1px solid var(--panel-border) !important;
  color: var(--text);
  border-radius: 12px;
  padding: 16px;
}

.session-list {
  display: grid;
  gap: 10px;
}

.session-card {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 14px;
  background: color-mix(in srgb, var(--panel) 84%, #000 16%);
  transition: border-color 0.15s;
}

.session-card.endpoint-card {
  border: 2px solid transparent;
}

.session-card.endpoint-card.selected {
  border-color: var(--ecs-green);
  background: color-mix(in srgb, var(--ecs-green) 8%, var(--panel) 92%);
}

.session-card.endpoint-card.paired {
  border-left: 4px solid var(--ecs-green);
}

.session-card + .session-card {
  margin-top: 8px;
}

.session-card .session-id {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.9rem;
  font-weight: 600;
  word-break: break-all;
}

.session-card .session-meta {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 4px;
}

.session-card .session-tokens {
  margin-top: 8px;
  font-size: 0.78rem;
}

.session-card .token-field {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 4px 8px;
  color: var(--input-text);
  font-size: 0.75rem;
  word-break: break-all;
  cursor: pointer;
}

.session-card .token-field:hover {
  border-color: var(--ecs-green);
}

.connection-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.connection-dot.connected {
  background: #18bb48;
  box-shadow: 0 0 0 3px color-mix(in srgb, #18bb48 22%, transparent 78%);
}

.connection-dot.disconnected {
  background: #8a93a5;
  box-shadow: 0 0 0 3px color-mix(in srgb, #8a93a5 22%, transparent 78%);
}

.connection-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}

.connection-status.connected {
  color: #7edb95;
}

.connection-status.disconnected {
  color: var(--text-muted);
}

.btn-ecs {
  background: var(--ecs-green);
  border-color: var(--ecs-green);
  color: #fff;
}

.btn-ecs:hover {
  background: var(--ecs-green-strong);
  border-color: var(--ecs-green-strong);
  color: #fff;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
  opacity: 0.5;
}

.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

.toast {
  background: var(--panel) !important;
  border: 1px solid var(--panel-border) !important;
  color: var(--text) !important;
}

.copy-feedback {
  color: var(--ecs-green-strong);
  font-size: 0.75rem;
  margin-left: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}

.copy-feedback.show {
  opacity: 1;
}

/* Paired endpoint group */
.paired-group {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
}

.paired-cards {
  flex-wrap: wrap;
}

.paired-cards .endpoint-card {
  min-width: 280px;
}

.pair-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.session-direction {
  flex-shrink: 0;
}

/* Nav-tabs — override Bootstrap blue/white defaults with ECS theme */
.nav-tabs {
  border-color: var(--panel-border);
}

.nav-tabs .nav-link {
  color: var(--text-muted);
  border-color: transparent;
  background-color: transparent;
}

.nav-tabs .nav-link:hover,
.nav-tabs .nav-link:focus {
  color: var(--text);
  border-color: var(--panel-border) var(--panel-border) transparent;
  background-color: color-mix(in srgb, var(--panel) 60%, transparent 40%);
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
  color: var(--ecs-green-strong);
  background-color: var(--panel);
  border-color: var(--panel-border) var(--panel-border) var(--panel);
}

/* Form controls — dark theme overrides */
.form-control,
.form-select {
  background: var(--input-bg);
  color: var(--input-text);
  border-color: var(--panel-border);
}

.form-control:focus,
.form-select:focus {
  background: var(--input-bg);
  color: var(--input-text);
  border-color: var(--ecs-green);
  box-shadow: 0 0 0 0.2rem rgba(83, 163, 43, 0.25);
}

/* Log output panel — matches endpoint styling */
.output-panel {
  min-height: 260px;
  max-height: 440px;
  overflow: auto;
  background: var(--output-bg);
  color: var(--output-fg);
  border-radius: 10px;
  padding: 12px;
  font-size: 12px;
  border: 1px solid var(--panel-border);
}

/* Modal backdrop */
.modal-backdrop.show {
  opacity: 0.75;
}

.modal .btn-close-white {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* Tag chips */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--ecs-green);
  color: var(--ecs-green);
  background: transparent;
  margin-right: 4px;
}

.tag-chip-remove {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  line-height: 1;
  font-size: 13px;
  color: var(--ecs-green);
  opacity: 0.7;
  cursor: pointer;
}

.tag-chip-remove:hover {
  opacity: 1;
  color: #e24848;
}

.tag-edit-btn {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
  opacity: 0.7;
}

.tag-edit-btn:hover {
  opacity: 1;
  color: var(--ecs-green);
}