/* ═══════════════════════════════════════════════
   Install Page Styles (TEN-148)
   Shared by /install (public) and #/install (dashboard)
   ═══════════════════════════════════════════════ */

:root {
  --ext-card-bg: #191928;
  --ext-border: #313146;
  --ext-text-secondary: #9999ad;
  --ext-text-muted: #6e6e85;
  --ext-success: #2ec776;
  --ext-warning: #f4ae37;
}

/* ── Status Card ──────────────────────────────── */

.ext-status-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-border);
  border-radius: 12px;
  padding: 31px;
  margin-bottom: 16px;
}

.ext-status-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 22px;
  flex-shrink: 0;
}

.ext-status-icon--unknown {
  background: rgba(153, 153, 173, 0.15);
  color: var(--ext-text-secondary);
  font-size: 24px;
}

.ext-status-icon--success {
  background: rgba(46, 199, 118, 0.15);
  color: var(--ext-success);
}

.ext-status-icon--warning {
  background: rgba(244, 174, 55, 0.15);
  color: var(--ext-warning);
  font-size: 24px;
}

.ext-status-info {
  flex: 1;
  min-width: 0;
}

.ext-status-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.ext-status-subtitle {
  font-size: 13px;
  color: var(--ext-text-secondary);
  line-height: 1.4;
}

.ext-status-version-line {
  font-size: 13px;
  margin-top: 4px;
}

.ext-status-version-line .installed {
  color: var(--ext-text-secondary);
}

.ext-status-version-line .arrow {
  color: var(--ext-text-muted);
  margin: 0 4px;
}

.ext-status-version-line .latest {
  color: var(--accent-green);
  font-weight: 500;
}

.ext-status-whats-new {
  font-size: 13px;
  color: var(--accent-green);
  margin-top: 4px;
  cursor: pointer;
}

.ext-status-whats-new .muted {
  color: var(--ext-text-muted);
  font-size: 12px;
  margin-left: 4px;
}

.ext-release-notes {
  font-size: 13px;
  color: var(--ext-text-secondary);
  margin-top: 8px;
  line-height: 1.6;
  white-space: pre-line;
}

.ext-status-action {
  flex-shrink: 0;
  text-align: center;
}

.ext-status-action-sub {
  font-size: 11px;
  color: var(--ext-text-muted);
  margin-top: 8px;
}

.ext-status-meta {
  font-size: 12px;
  color: var(--ext-text-muted);
  flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────── */

.btn-ext-download {
  display: inline-block;
  padding: 10px 24px;
  background: var(--accent-green);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: none;
  min-width: 128px;
  transition: opacity 0.15s;
}

.btn-ext-download:hover {
  opacity: 0.9;
  text-decoration: none;
}

.btn-ext-download--lg {
  padding: 14px 40px;
  font-size: 15px;
  min-width: 220px;
}

/* ── Updating Callout ─────────────────────────── */

.ext-update-callout {
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-warning);
  border-left: 4px solid var(--ext-warning);
  border-radius: 12px;
  padding: 19px 23px;
  margin-bottom: 16px;
}

.ext-update-callout-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.ext-update-callout-desc {
  font-size: 13px;
  color: var(--ext-text-secondary);
  margin-bottom: 12px;
}

.ext-update-callout-steps {
  font-size: 13px;
  color: var(--text-primary);
}

.ext-update-callout-steps .num {
  font-weight: 600;
  color: var(--ext-warning);
  margin-right: 4px;
}

.ext-update-callout-steps .step {
  display: inline-block;
  margin-right: 20px;
}

.ext-update-callout-warn {
  font-size: 12px;
  color: var(--ext-text-muted);
  margin-top: 4px;
}

/* ── Install Steps ────────────────────────────── */

.install-steps-card {
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-border);
  border-radius: 12px;
  padding: 27px 31px;
}

.install-steps-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.install-steps-subtitle {
  font-size: 13px;
  color: var(--ext-text-secondary);
  margin-bottom: 24px;
}

.install-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.install-step:last-child {
  margin-bottom: 0;
}

.install-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 199, 129, 0.15);
  color: var(--accent-green);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.install-step-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.install-step-desc {
  font-size: 13px;
  color: var(--ext-text-secondary);
  line-height: 1.4;
}

.install-skip-hint {
  font-size: 12px;
  color: var(--ext-text-muted);
  margin-bottom: 16px;
}

/* ── Info Table (up-to-date state) ────────────── */

.ext-info-card {
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-border);
  border-radius: 12px;
  padding: 27px 31px;
  margin-bottom: 16px;
}

.ext-info-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.ext-info-row {
  display: flex;
  margin-bottom: 12px;
  font-size: 13px;
}

.ext-info-label {
  width: 168px;
  color: var(--ext-text-secondary);
  flex-shrink: 0;
}

.ext-info-value {
  color: var(--text-primary);
  font-weight: 500;
}

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

/* ── Reinstall Accordion ──────────────────────── */

.ext-reinstall-toggle {
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-border);
  border-radius: 12px;
  padding: 17px 31px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.ext-reinstall-toggle .arrow {
  color: var(--ext-text-secondary);
  transition: transform 0.2s;
}

.ext-reinstall-toggle.open .arrow {
  transform: rotate(180deg);
}

/* ── Page Description ─────────────────────────── */

.ext-page-desc {
  font-size: 13px;
  color: var(--ext-text-secondary);
  margin-bottom: 24px;
}

.ext-page-footer-note {
  font-size: 13px;
  color: var(--ext-text-secondary);
  margin-top: 24px;
}

.ext-page-footer-note a {
  color: var(--accent-green);
  text-decoration: none;
}

/* ── Loading / Error States ───────────────────── */

.ext-loading {
  text-align: center;
  padding: 48px;
  color: var(--ext-text-secondary);
  font-size: 14px;
}

.ext-error-card {
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-border);
  border-radius: 12px;
  padding: 31px;
  text-align: center;
}

.ext-error-card p {
  color: var(--ext-text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.ext-error-card .hint {
  font-size: 12px;
  color: var(--ext-text-muted);
}

/* ── Version Pill ─────────────────────────────── */

.ext-version-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ext-card-bg);
  border: 1px solid var(--ext-border);
  border-radius: 14px;
  padding: 4px 14px;
  font-size: 13px;
  margin-bottom: 24px;
}

.ext-version-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}

.ext-version-pill .ver {
  font-weight: 600;
  color: var(--text-primary);
}

.ext-version-pill .date {
  color: var(--ext-text-secondary);
}

/* ═══════════════════════════════════════════════
   Public Install Page Layout
   Only used by /install (standalone HTML page)
   ═══════════════════════════════════════════════ */

.public-install {
  min-height: 100vh;
  background: var(--bg-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
}

.public-install-header {
  height: 72px;
  background: var(--ext-card-bg);
  border-bottom: 1px solid var(--ext-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 80px;
}

.public-install-logo {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
}

.public-install-signin {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-green);
  text-decoration: none;
}

.public-install-signin:hover {
  text-decoration: underline;
}

.public-install-body {
  display: flex;
  gap: 80px;
  padding: 56px 80px;
  max-width: 1440px;
}

.public-install-hero {
  flex: 1;
}

.public-install-hero h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.public-install-hero .subhead {
  font-size: 16px;
  color: var(--ext-text-secondary);
  line-height: 1.5;
  max-width: 720px;
  margin-bottom: 32px;
}

.public-install-hero .size-caption {
  font-size: 13px;
  color: var(--ext-text-secondary);
  display: inline-block;
  margin-left: 16px;
  vertical-align: middle;
}

.public-install-steps {
  width: 480px;
  flex-shrink: 0;
}

.public-install-footer {
  border-top: 1px solid var(--ext-border);
  padding: 24px 80px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ext-text-secondary);
}

.public-install-footer a {
  color: var(--accent-green);
  text-decoration: none;
}

.public-install-footer .copyright {
  margin-left: auto;
  color: var(--ext-text-muted);
}

/* ── Responsive (down to 1024px) ──────────────── */

@media (max-width: 1200px) {
  .public-install-body {
    flex-direction: column;
    gap: 40px;
    padding: 40px;
  }
  .public-install-steps {
    width: 100%;
  }
  .public-install-header {
    padding: 0 40px;
  }
  .public-install-footer {
    padding: 24px 40px;
  }
}