:root {
  --bg: #0b0e11;
  --surface: #12161b;
  --surface-alt: #171c22;
  --border: #232a31;
  --text: #e7ecef;
  --text-muted: #7c8894;
  --accent: #4ce0b3;
  --accent-dim: #2c8266;
  --warn: #f2a65a;
  --danger: #e5484d;

  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(circle at 15% 0%, rgba(76, 224, 179, 0.06), transparent 40%),
    radial-gradient(circle at 85% 100%, rgba(242, 166, 90, 0.05), transparent 45%);
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.012) 0px,
    rgba(255, 255, 255, 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 999;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.brand__mark {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 20px;
}
.brand__name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.brand__tag {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
  overflow: hidden;
  animation: rise 0.35s ease both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.window__chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}
.dot { width: 9px; height: 9px; border-radius: 50%; opacity: 0.85; }
.dot--r { background: var(--danger); }
.dot--y { background: var(--warn); }
.dot--g { background: var(--accent); }
.window__title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 4px;
}
.window__badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--bg);
  background: var(--accent);
  padding: 1px 8px;
  border-radius: 10px;
}

.window__body { padding: 20px; }
.window__body--flush { padding: 0; }

.field { margin-bottom: 22px; }
.field__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 10px;
}

.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.chip:hover { border-color: var(--accent-dim); color: var(--text); }
.chip[aria-checked="true"] {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.mode-toggle { display: flex; gap: 18px; margin-bottom: 12px; }
.radio { display: flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; color: var(--text); }
.radio input { accent-color: var(--accent); width: 15px; height: 15px; }

.custom-input-row {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 4px 4px 12px;
  position: relative;
}
.custom-input-row input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 8px 0;
}
.custom-input-row__domain {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
  padding-right: 8px;
}
.availability {
  position: absolute;
  right: 8px;
  top: -22px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.availability.ok { color: var(--accent); }
.availability.taken { color: var(--danger); }

.btn {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.1s, filter 0.15s;
}
.btn:active { transform: scale(0.99); }
.btn--primary { background: var(--accent); color: #06110d; }
.btn--primary:hover { filter: brightness(1.08); }
.btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text-muted); margin-top: 16px; }
.btn--ghost:hover { border-color: var(--accent-dim); color: var(--text); }

.error-msg {
  margin-top: 12px;
  color: var(--danger);
  font-family: var(--font-mono);
  font-size: 12px;
}
.success-msg {
  margin-top: 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.text-input {
  width: 100%;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}
.text-input:focus { border-color: var(--accent-dim); }
.text-area { resize: vertical; font-family: var(--font-mono); line-height: 1.5; }

.tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 8px 12px 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.tab--action { margin-left: auto; color: var(--warn); }
.tab--action:hover { color: var(--warn); filter: brightness(1.15); }

.address-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  flex-wrap: wrap;
}
.prompt { color: var(--accent); }
.address { color: var(--text); word-break: break-all; }
.cursor {
  width: 8px;
  height: 17px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.icon-btn {
  margin-left: auto;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent-dim); }

.burn-status { margin-top: 18px; }
.burn-status__row {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warn);
  margin-bottom: 8px;
}
.fuse {
  height: 6px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.fuse__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--warn));
  width: 100%;
  transition: width 0.6s ease;
}
.fuse__fill.fuse__fill--critical { background: linear-gradient(90deg, var(--warn), var(--danger)); }

.inbox-list { list-style: none; margin: 0; padding: 0; }
.inbox-item {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}
.inbox-item:last-child { border-bottom: none; }
.inbox-item:hover { background: var(--surface-alt); }
.inbox-item__time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
  width: 46px;
}
.inbox-item__from {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.inbox-item__subject {
  font-size: 13px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.inbox-item--unread .inbox-item__subject { font-weight: 600; }
.inbox-item--unread::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  align-self: center;
}

.inbox-empty {
  padding: 32px 18px;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}
.modal__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
}
.modal__meta {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 20px;
}
.modal__frame {
  flex: 1;
  border: none;
  background: #fff;
  min-height: 300px;
}

@media (max-width: 480px) {
  .wrap { padding: 20px 14px 48px; }
  .modal__meta { flex-direction: column; gap: 4px; }
}