:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e6edf3;
  --muted: #8b9cb3;
  --accent: #3d9ee6;
  --accent-dim: #2563a8;
  --sdk: #22c55e;
  --content: #a78bfa;
  --background: #f59e0b;
  --server: #ec4899;
  --font: "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #1e3a5f 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 3rem;
}

.setup-panel {
  max-width: 36rem;
  margin: 0 auto 2rem;
  padding: 1.5rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.setup-title {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 600;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.setup-lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.setup-fields .field {
  margin-bottom: 1rem;
}

.setup-fields .field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.setup-fields .field-row .field {
  margin-bottom: 0;
  min-width: 0;
}

.setup-fields .field-row input[type="number"] {
  max-width: none;
  width: 100%;
}

@media (max-width: 520px) {
  .setup-fields .field-row {
    grid-template-columns: 1fr;
  }
}

.setup-fields .field-label-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.35rem;
}

.setup-fields .field label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0;
}

.setup-fields .field:not(:has(.field-label-row)) label {
  margin-bottom: 0.35rem;
}

.field-info {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  cursor: help;
  outline: none;
}

.field-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 700;
  font-style: italic;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.field-info:hover .field-info-icon,
.field-info:focus-visible .field-info-icon {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--bg));
}

.field-hint {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.45rem);
  bottom: auto;
  transform: translateX(-50%);
  z-index: 20;
  width: max-content;
  max-width: min(18rem, 85vw);
  padding: 0.45rem 0.6rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
}

.field-hint::after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-bottom-color: var(--border);
}

.field-info:hover .field-hint,
.field-info:focus-visible .field-hint,
.field-info:focus-within .field-hint {
  opacity: 1;
  visibility: visible;
}

.field-hint code {
  font-size: 0.92em;
}

.setup-fields input[type="number"] {
  width: 100%;
  max-width: 12rem;
  padding: 0.5rem 0.65rem;
  font-family: var(--font);
  font-size: 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.setup-fields input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

.setup-fields input[type="url"],
.setup-fields input[type="email"],
.setup-fields input[type="text"],
.setup-fields input[type="password"] {
  width: 100%;
  padding: 0.5rem 0.65rem;
  font-family: var(--font);
  font-size: 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.setup-fields input:focus {
  outline: none;
  border-color: var(--accent);
}

.setup-fields .field-checkbox .field-label-row {
  margin-bottom: 0;
}

.setup-fields .field-checkbox {
  margin-bottom: 0.5rem;
}

.setup-fields .checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
}

.setup-fields .checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

#setup-error {
  color: #f87171;
  font-size: 0.88rem;
  margin: 0 0 0.75rem;
}

.setup-actions {
  margin-top: 1rem;
}

.btn-primary {
  font-size: 1rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, #2d6aa8, var(--accent-dim));
  color: #fff;
  cursor: pointer;
  font-family: var(--font);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.main-panel[hidden],
.setup-panel[hidden] {
  display: none !important;
}

.header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.header-row h1 {
  margin: 0;
}

.btn-link {
  font-size: 0.85rem;
  padding: 0.35rem 0.6rem;
  border: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  font-family: var(--font);
}

.btn-link:hover {
  color: #7ec8f5;
}

.header h1 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: 0.95rem;
}

.workflow-section {
  margin: 1rem 0 1.25rem;
  padding: 0.65rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.workflow-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}

.ws-stats {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 0.2rem 0.45rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  white-space: nowrap;
}

.ws-stats--active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--server) 40%, var(--border));
  background: color-mix(in srgb, var(--server) 8%, var(--bg));
}

.call-flow-timer {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 0.2rem 0.45rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  white-space: nowrap;
}

.call-flow-timer--ringing {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
}

.call-flow-timer--active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--sdk) 40%, var(--border));
  background: color-mix(in srgb, var(--sdk) 8%, var(--bg));
}

.call-flow-timer--complete {
  color: var(--sdk);
  border-color: color-mix(in srgb, var(--sdk) 45%, var(--border));
  background: color-mix(in srgb, var(--sdk) 10%, var(--bg));
}

.workflow-heading {
  font-size: 0.88rem;
  font-weight: 600;
  margin: 0;
}

.workflow-lead {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
}

.workflow-track-wrap {
  overflow-x: auto;
  padding-bottom: 0.15rem;
  scrollbar-width: thin;
}

.workflow-steps {
  list-style: none;
  margin: 0;
  padding: 0.15rem 0.1rem;
  counter-reset: workflow;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
  min-width: min-content;
}

.workflow-steps .step {
  position: relative;
  flex: 1 0 4.1rem;
  max-width: 5.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem 0.15rem;
  text-align: center;
  cursor: default;
}

.workflow-steps .step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 0.72rem;
  right: -0.35rem;
  width: 0.7rem;
  height: 2px;
  background: var(--border);
  pointer-events: none;
}

.workflow-steps .step--done:not(:last-child)::after {
  background: color-mix(in srgb, var(--sdk) 55%, var(--border));
}

.workflow-steps .step--current:not(:last-child)::after {
  background: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.workflow-steps .step::before {
  counter-increment: workflow;
  content: counter(workflow);
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 700;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--muted);
}

.workflow-steps .step--done::before {
  content: "✓";
  font-size: 0.68rem;
  background: color-mix(in srgb, var(--sdk) 16%, var(--bg));
  border-color: var(--sdk);
  color: var(--sdk);
}

.workflow-steps .step--current {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 6px;
}

.workflow-steps .step--current::before {
  background: color-mix(in srgb, var(--accent) 20%, var(--bg));
  border-color: var(--accent);
  color: var(--accent);
}

.workflow-steps .step--pending {
  opacity: 0.72;
}

.step-label {
  font-weight: 600;
  font-size: 0.68rem;
  line-height: 1.2;
  color: var(--text);
  word-break: break-word;
}

.workflow-steps .step--current .step-label {
  color: var(--accent);
}

.workflow-steps .step--done .step-label {
  color: color-mix(in srgb, var(--sdk) 75%, var(--text));
}

.workflow-all-done {
  margin: 0.45rem 0 0;
  padding: 0.35rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sdk);
  background: color-mix(in srgb, var(--sdk) 10%, var(--bg));
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--sdk) 35%, var(--border));
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface);
  padding: 0.12em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

button {
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #2a3548, #243041);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

button:hover {
  border-color: var(--accent);
  background: linear-gradient(180deg, #334058, #2a3548);
}

button.secondary {
  opacity: 0.85;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.log-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.log-section-header h2 {
  font-size: 1rem;
  margin: 0;
}

.log {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  max-height: min(420px, 50vh);
  overflow: auto;
  padding: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.log-entry {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-meta {
  color: var(--muted);
  font-size: 0.72rem;
  margin-bottom: 0.25rem;
}

.log-direction {
  display: inline-block;
  padding: 0.1em 0.45em;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-right: 0.5rem;
}

.dir-sdk { background: color-mix(in srgb, var(--sdk) 25%, transparent); color: var(--sdk); }
.dir-content { background: color-mix(in srgb, var(--content) 25%, transparent); color: var(--content); }
.dir-bg { background: color-mix(in srgb, var(--background) 25%, transparent); color: var(--background); }
.dir-server { background: color-mix(in srgb, var(--server) 25%, transparent); color: var(--server); }
.dir-ws { background: color-mix(in srgb, #2dd4bf 22%, transparent); color: #5eead4; }

.log-payload {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}