:root {
  --bg: #0e1116; --panel: #161b22; --panel-2: #1f242c; --border: #2b3139;
  --text: #e6edf3; --muted: #8b949e; --accent: #f7931a; --accent-2: #58a6ff;
  --good: #3fb950; --warn: #d29922; --bad: #f85149; --focus: #79b8ff;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa; --panel: #ffffff; --panel-2: #f0f3f6; --border: #d0d7de;
    --text: #1f2328; --muted: #59636e; --accent: #bf6a00; --accent-2: #0969da;
    --good: #1a7f37; --warn: #9a6700; --bad: #cf222e; --focus: #0969da;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 14px; line-height: 1.5;
  overflow-x: hidden; }
a { color: var(--accent-2); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--focus); outline-offset: -1px; }

.skip-link { position: absolute; top: -100px; left: 12px; z-index: 10000;
  background: var(--accent); color: #000; padding: 10px 16px;
  border-radius: 0 0 8px 8px; font-weight: 600; text-decoration: none;
  transition: top 0.15s ease; }
.skip-link:focus { top: 0; }

.live-region { position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

header { position: sticky; top: 0; z-index: 10; background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: calc(10px + var(--safe-top)) calc(16px + var(--safe-right)) 10px calc(16px + var(--safe-left));
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
header h1 { font-size: 15px; margin: 0; font-weight: 600; letter-spacing: 0.3px; }
header .spacer { flex: 1; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border);
  font-size: 12px; color: var(--muted); cursor: pointer; user-select: none; min-height: 32px; }
.pill:hover { background: var(--border); }
.pill:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.pill.good .dot { background: var(--good); }
.pill.warn .dot { background: var(--warn); }
.pill.bad .dot { background: var(--bad); }
nav.tabs { display: flex; gap: 2px; background: var(--panel);
  border-bottom: 1px solid var(--border); overflow-x: auto;
  padding: 0 calc(16px + var(--safe-right)) 0 calc(16px + var(--safe-left));
  scrollbar-width: thin; }
nav.tabs button { background: transparent; border: none; color: var(--muted);
  padding: 12px 16px; cursor: pointer; font-size: 13px; border-bottom: 2px solid transparent;
  min-height: 44px; white-space: nowrap; }
nav.tabs button:hover { color: var(--text); }
nav.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
main { padding: 16px calc(16px + var(--safe-right)) calc(24px + var(--safe-bottom)) calc(16px + var(--safe-left));
  max-width: 1100px; margin: 0 auto; }
section.panel { background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
section.panel[aria-busy="true"] { position: relative; }
section.panel h2 { margin: 0 0 12px; font-size: 14px; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--muted); }
section.panel h3 { font-size: 13px; margin: 16px 0 8px; color: var(--text); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; margin-top: 8px; }
input, textarea, select { width: 100%; padding: 10px 12px; background: var(--panel-2);
  color: var(--text); border: 1px solid var(--border); border-radius: 6px;
  font-family: inherit; font-size: 14px; min-height: 40px; }
textarea { min-height: 80px; font-family: var(--mono); font-size: 12px; }
button.btn { background: var(--accent); color: #fff; border: none; padding: 10px 16px;
  border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 13px;
  min-height: 40px; transition: filter 0.15s ease; }
@media (prefers-color-scheme: light) { button.btn { color: #fff; } }
button.btn:hover:not(:disabled) { filter: brightness(1.08); }
button.btn:disabled { opacity: 0.5; cursor: not-allowed; }
button.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.btn.danger { background: var(--bad); color: #fff; }
button.btn.small { padding: 6px 10px; font-size: 12px; min-height: 32px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 8px; }
.row > * { flex: 1; min-width: 140px; }
.row.tight > * { flex: 0 1 auto; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 4px 10px; font-size: 13px; }
.kv .k { color: var(--muted); }
.kv .v { font-family: var(--mono); font-size: 12px; word-break: break-all; }
.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px;
  background: var(--panel-2); border: 1px solid var(--border); font-size: 11px; margin-right: 4px; }
.tag.bitcoin { color: var(--accent); }
.tag.good { color: var(--good); }
.tag.warn { color: var(--warn); }
.tag.bad { color: var(--bad); }
.list { display: flex; flex-direction: column; gap: 8px; }
.list-item { background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; }
.list-item.empty { text-align: center; color: var(--muted); padding: 20px; }
.progress { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.progress > div { height: 100%; background: var(--good); transition: width .2s; }
#toasts { position: fixed; top: calc(60px + var(--safe-top));
  right: calc(16px + var(--safe-right)); z-index: 100;
  display: flex; flex-direction: column; gap: 8px; max-width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 6px; padding: 12px 14px; font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,.4);
  animation: toastIn 0.2s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.toast.err { border-left-color: var(--bad); }
.toast.ok { border-left-color: var(--good); }
details { margin-top: 8px; }
details summary { cursor: pointer; color: var(--muted); font-size: 12px; padding: 4px 0; }
details[open] summary { color: var(--text); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }
dialog { background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; max-width: 560px; width: calc(100% - 32px);
  max-height: calc(100vh - 64px - var(--safe-top) - var(--safe-bottom)); overflow-y: auto; }
dialog::backdrop { background: rgba(0,0,0,.6); }
.warn-box { background: color-mix(in srgb, var(--warn) 12%, transparent);
  border: 1px solid var(--warn); border-radius: 6px; padding: 10px; font-size: 12px; margin: 8px 0; }
.bad-box { background: color-mix(in srgb, var(--bad) 12%, transparent);
  border: 1px solid var(--bad); border-radius: 6px; padding: 10px; font-size: 12px; margin: 8px 0;
  white-space: pre-wrap; }
.good-box { background: color-mix(in srgb, var(--good) 12%, transparent);
  border: 1px solid var(--good); border-radius: 6px; padding: 10px; font-size: 12px; margin: 8px 0; }
.info-box { background: color-mix(in srgb, var(--accent-2) 12%, transparent);
  border: 1px solid var(--accent-2); border-radius: 6px; padding: 10px; font-size: 12px; margin: 8px 0; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 3px;
  font-family: var(--mono); font-size: 12px; }
#confirmBody { white-space: pre-wrap; }
.relay-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 12px; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; margin-bottom: 6px; min-height: 52px; }
.relay-row .relay-url { font-family: var(--mono); font-size: 12px; flex: 1 1 240px; word-break: break-all; }
.relay-row .relay-stat { font-size: 11px; color: var(--muted); min-width: 60px; }
.relay-row .relay-actions { display: flex; gap: 4px; flex-wrap: wrap; }
.relay-row.is-open { border-left: 3px solid var(--good); }
.relay-row.is-connecting { border-left: 3px solid var(--warn); }
.relay-row.is-failed { border-left: 3px solid var(--bad); }
.relay-row.is-queued { border-left: 3px solid var(--muted); }
.relay-row.is-offline { border-left: 3px solid transparent; opacity: 0.75; }
.relay-row.is-locked { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--warn) 45%, transparent); }
.relay-row .status-dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.dot-open { background: var(--good); }
.dot-connecting { background: var(--warn); }
.dot-failed { background: var(--bad); }
.dot-queued { background: var(--muted); }
.dot-offline { background: var(--muted); opacity: 0.5; }
.marker { display: inline-block; padding: 2px 6px; border-radius: 3px; font-size: 10px;
  border: 1px solid var(--border); color: var(--muted); }
.marker.on { color: var(--accent-2); border-color: var(--accent-2); }
.marker.pinned { color: var(--accent); border-color: var(--accent); }
.marker.pref { color: var(--good); border-color: var(--good); }
.marker.locked { color: var(--warn); border-color: var(--warn); }
.marker.protected { color: var(--muted); border-color: var(--border); }
.error-boundary { padding: 16px; background: color-mix(in srgb, var(--bad) 8%, transparent);
  border: 1px solid var(--bad); border-radius: 6px; font-size: 13px; }
.error-boundary h3 { margin: 0 0 8px; color: var(--bad); font-size: 14px; }
.error-boundary pre { background: var(--panel-2); padding: 8px; border-radius: 4px;
  font-size: 11px; overflow-x: auto; margin: 8px 0; }
.skeleton { background: linear-gradient(90deg, var(--panel-2) 0%, var(--border) 50%, var(--panel-2) 100%);
  background-size: 200% 100%; animation: skeletonPulse 1.4s ease-in-out infinite;
  border-radius: 4px; height: 14px; margin: 4px 0; }
@keyframes skeletonPulse { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.contact-card { background: var(--panel-2); border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2); border-radius: 6px; padding: 12px;
  display: flex; flex-direction: column; gap: 8px; }
.contact-card.is-archived { opacity: 0.6; border-left-color: var(--muted); }
.contact-card.is-expired { border-left-color: var(--bad); }
.contact-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; flex-wrap: wrap; }
.contact-title { font-weight: 600; font-size: 14px; }
.contact-sub { font-size: 11px; color: var(--muted); }
.contact-address { font-family: var(--mono); font-size: 12px; word-break: break-all; color: var(--text); }
.contact-fields { display: grid; grid-template-columns: 110px 1fr; gap: 2px 10px; font-size: 12px; }
.contact-fields .k { color: var(--muted); }
.contact-fields .v { font-family: var(--mono); word-break: break-all; }
.contact-actions { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.contact-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.tour-spotlight { position: fixed; pointer-events: none; border-radius: 10px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.68); z-index: 9998;
  transition: top 0.28s cubic-bezier(.4,0,.2,1), left 0.28s cubic-bezier(.4,0,.2,1),
              width 0.28s cubic-bezier(.4,0,.2,1), height 0.28s cubic-bezier(.4,0,.2,1),
              border-radius 0.28s ease, box-shadow 0.28s ease;
  border: 2px solid rgba(247, 147, 26, 0.5); }
.tour-spotlight.pulse { animation: tourPulse 1.8s ease-in-out infinite; }
@keyframes tourPulse { 0%, 100% { border-color: rgba(247, 147, 26, 0.5); } 50% { border-color: rgba(247, 147, 26, 1.0); } }
.tour-popover { position: fixed; z-index: 9999; background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(247, 147, 26, 0.25);
  padding: 16px 18px 14px; max-width: 380px; min-width: 260px; color: var(--text);
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(.4,0,.2,1);
  opacity: 0; transform: translateY(6px); }
.tour-popover.visible { opacity: 1; transform: translateY(0); }
.tour-popover[role="dialog"] { outline: none; }
.tour-popover .tour-title { font-size: 15px; font-weight: 600; margin: 0 0 6px;
  color: var(--text); display: flex; align-items: center; gap: 8px; }
.tour-popover .tour-title::before { content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex: 0 0 auto; box-shadow: 0 0 8px rgba(247,147,26,.6); }
.tour-popover .tour-body { font-size: 13px; line-height: 1.55; color: var(--muted); margin: 0 0 14px; }
.tour-popover .tour-body a { color: var(--accent-2); }
.tour-popover .tour-progress { display: flex; gap: 5px; margin-bottom: 12px; flex-wrap: wrap; }
.tour-popover .tour-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border);
  transition: background 0.2s ease, transform 0.2s ease; }
.tour-popover .tour-dot.active { background: var(--accent); transform: scale(1.4); }
.tour-popover .tour-dot.done { background: var(--good); }
.tour-popover .tour-actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.tour-popover .tour-actions .tour-step-label { margin-right: auto; font-size: 11px; color: var(--muted); }
.tour-popover button { background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); padding: 8px 14px; border-radius: 6px;
  font-size: 12px; cursor: pointer; font-weight: 500; min-height: 36px; }
.tour-popover button:hover { background: var(--border); }
.tour-popover button.primary { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600; }
.tour-popover button.primary:hover { filter: brightness(1.1); }
.tour-popover button.ghost { background: transparent; border-color: transparent; color: var(--muted); padding: 8px 10px; }
.tour-popover button.ghost:hover { color: var(--text); background: var(--panel-2); }
.tour-skip-link { position: fixed; top: calc(12px + var(--safe-top)); right: calc(16px + var(--safe-right));
  z-index: 10000; background: color-mix(in srgb, var(--panel) 95%, transparent); color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 8px 16px; font-size: 12px; cursor: pointer;
  backdrop-filter: blur(8px); transition: background 0.2s ease; min-height: 36px; }
.tour-skip-link:hover { background: var(--border); }
.tour-arrow { position: absolute; width: 12px; height: 12px;
  background: var(--panel); border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transform: rotate(45deg); z-index: -1; }
.tour-arrow.top    { top: -7px;    left: 24px; transform: rotate(-135deg); }
.tour-arrow.bottom { bottom: -7px; left: 24px; transform: rotate(45deg); }
.tour-arrow.left   { left: -7px;   top: 18px;  transform: rotate(135deg); }
.tour-arrow.right  { right: -7px;  top: 18px;  transform: rotate(-45deg); }
.tour-popover.sheet { left: 0 !important; right: 0 !important; bottom: 0 !important; top: auto !important;
  max-width: none; min-width: 0; border-radius: 16px 16px 0 0;
  padding: 20px calc(20px + var(--safe-right)) calc(20px + var(--safe-bottom)) calc(20px + var(--safe-left));
  transform: translateY(100%); }
.tour-popover.sheet.visible { transform: translateY(0); }
.tour-popover.sheet .tour-arrow { display: none; }
.tour-confetti { position: fixed; inset: 0; pointer-events: none; z-index: 9997; overflow: hidden; }
.tour-confetti .c { position: absolute; top: -12px; width: 8px; height: 14px;
  opacity: 0.9; animation: tourFall 2.2s linear forwards; }
@keyframes tourFall { 0% { transform: translateY(0) rotate(0deg); opacity: 1; } 100% { transform: translateY(110vh) rotate(720deg); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .tour-spotlight, .tour-popover, .tour-popover.sheet { transition: none !important; animation: none !important; }
  .tour-spotlight.pulse { animation: none; }
  .tour-confetti { display: none; }
  .tour-popover { opacity: 1 !important; transform: none !important; }
  .tour-popover.sheet { transform: none !important; }
  .skeleton { animation: none; } .toast { animation: none; } }
.tour-live { position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.key-card { background: var(--panel-2); border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2); border-radius: 6px; padding: 14px; margin-bottom: 12px; }
.key-card.mode-ephemeral { border-left-color: var(--warn); }
.key-card.mode-imported  { border-left-color: var(--good); }
.key-card.mode-extension { border-left-color: var(--accent-2); }
.key-card.mode-bunker    { border-left-color: var(--accent); }
.key-card .key-mode { font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.key-card .key-pub { font-family: var(--mono); font-size: 12px; word-break: break-all; margin-top: 6px; }
.key-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.guide-step { display: grid; grid-template-columns: 28px 1fr; gap: 8px; margin: 10px 0; align-items: start; }
.guide-step .num { width: 24px; height: 24px; border-radius: 50%; background: var(--accent);
  color: #000; font-weight: 700; font-size: 12px; display: flex; align-items: center; justify-content: center;
  flex: 0 0 auto; }
.guide-step .txt { font-size: 13px; line-height: 1.5; }
.invoice-text { font-family: var(--mono); font-size: 11px; word-break: break-all;
  background: var(--panel-2); padding: 10px; border-radius: 6px; border: 1px solid var(--border); }
@media (max-width: 480px) {
  header { padding: calc(8px + var(--safe-top)) calc(12px + var(--safe-right)) 8px calc(12px + var(--safe-left)); }
  header h1 { font-size: 14px; }
  .pill { padding: 6px 10px; font-size: 11px; }
  main { padding: 12px calc(12px + var(--safe-right)) calc(20px + var(--safe-bottom)) calc(12px + var(--safe-left)); }
  section.panel { padding: 12px; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv .k { margin-top: 6px; }
  .relay-row { padding: 10px; gap: 8px; }
  .relay-row .relay-actions { width: 100%; }
  .tour-popover { padding: 14px; }
  .contact-fields { grid-template-columns: 1fr; gap: 2px 0; }
  .contact-fields .k { margin-top: 4px; }
}
@media (max-width: 360px) {
  header h1 { display: none; }
  .pill { padding: 6px 8px; }
  .relay-row .relay-stat { min-width: 40px; font-size: 10px; }
  .tour-popover button { padding: 8px 10px; font-size: 11px; }
}