:root {
  --bg: #0c0c0e;
  --surface: #161619;
  --border: #2a2a2e;
  --text: #e8e8ec;
  --text-muted: #9a9aa3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 400;
  margin: 0 0 2.5rem;
}

.callout {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 2.5rem;
  font-size: 0.9375rem;
}

.callout strong {
  color: #f59e0b;
  font-weight: 600;
}

.step {
  margin-bottom: 2.5rem;
}

.step:last-of-type {
  margin-bottom: 0;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.step p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.step p:last-of-type {
  margin-bottom: 0;
}

.step .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.url-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  margin: 0.75rem 0 1rem;
}

.url-block code {
  flex: 1;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8125rem;
  color: var(--text);
  word-break: break-all;
}

.copy-btn {
  flex-shrink: 0;
  background: var(--border);
  color: var(--text);
  border: none;
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.copy-btn:hover {
  background: #3a3a40;
}

.copy-btn.copied {
  background: #166534;
  color: #dcfce7;
}

.step ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.step li {
  margin-bottom: 0.35rem;
}

.step li::marker {
  color: var(--text-muted);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.form-section {
  margin-top: 2rem;
}

.form-section .subtitle.form-intro {
  margin-bottom: 1.5rem;
}

.form-section .step-title {
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.form-group input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 1rem;
  color: var(--text);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-group .hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 0.5rem;
}

.submit-btn:hover {
  background: var(--accent-hover);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: 8px;
  font-size: 0.9375rem;
}

.form-message.success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #86efac;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.provider-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.provider-card:last-child {
  margin-bottom: 0;
}

.provider-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
  transition: background 0.15s;
}

.provider-card-header:hover {
  background: rgba(255, 255, 255, 0.04);
}

.provider-card-header:focus {
  outline: none;
}

.provider-logo {
  flex-shrink: 0;
  display: block;
}

.provider-logo-placeholder {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--border);
}

.provider-card-header .provider-card-title {
  flex: 1;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  padding: 0;
  border: none;
}

.provider-card.coming-soon .provider-card-header .provider-card-title {
  color: var(--text-muted);
}

.provider-card-chevron {
  flex-shrink: 0;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--text-muted);
  margin-left: 0.25rem;
  transition: transform 0.2s;
}

.provider-card.is-collapsed .provider-card-chevron {
  transform: rotate(-90deg);
}

.provider-card-body {
  padding: 1.25rem 1.25rem 1.75rem;
  border-top: 1px solid var(--border);
}

.provider-card-body .callout,
.provider-card-body .step-title,
.provider-card-body .form-section {
  margin-top: 1.25rem;
}

.provider-card.is-collapsed .provider-card-body {
  display: none;
}

.provider-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.provider-card.coming-soon {
  opacity: 0.85;
}

.provider-card.coming-soon .provider-card-title {
  color: var(--text-muted);
}

.coming-soon-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 1rem 0 0;
}