/* tap.manmenlab — minimal monospace dark theme */
:root {
  --bg: #0d0e10;
  --fg: #e6e6e6;
  --muted: #8b8b8b;
  --border: #1f2024;
  --accent: #6cf06c;
  --accent-dim: #4ab94a;
  --warn: #ffd166;
  --error: #ff6b6b;
  --card: #14161a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, textarea {
  font-family: inherit;
  background: var(--card);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

textarea { width: 100%; padding: 8px; resize: vertical; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.brand {
  font-weight: 700;
  letter-spacing: -0.5px;
}
.brand .dot { color: var(--accent); }

.brand-link {
  text-decoration: none;
  color: inherit;
}
.brand-link:hover .brand { color: var(--accent); }
.brand-link:hover { text-decoration: none; }

nav a {
  margin-left: 16px;
  color: var(--muted);
  padding: 4px 0;
  position: relative;
  transition: color 0.12s;
}
nav a:hover { color: var(--fg); text-decoration: none; }
nav a.active {
  color: var(--accent);
  font-weight: 600;
}
nav a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px;
}

.hero h1 {
  font-size: 28px;
  margin: 0 0 6px;
}
.hero p {
  color: var(--muted);
  margin: 0 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.card, .product-card, .tip-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
}

.product-card {
  cursor: pointer;
  transition: border-color 0.12s;
}
.product-card:hover { border-color: var(--accent-dim); }

.product-card h3 { margin: 0 0 4px; font-size: 16px; }
.product-card .price {
  color: var(--accent);
  font-size: 18px;
  font-weight: 600;
  margin: 8px 0;
}
.product-card .desc { color: var(--muted); font-size: 13px; margin: 0 0 8px; }

.hero-product-card {
  background: linear-gradient(135deg, #14161a 0%, #1a1d23 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 28px;
  align-items: center;
}
.hero-product-body h2 {
  margin: 0 0 6px;
  font-size: 22px;
  color: var(--fg);
}
.hero-product-desc {
  color: var(--muted);
  margin: 0 0 16px;
  line-height: 1.6;
}
.hero-product-features {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  color: var(--fg);
}
.hero-product-features li {
  padding: 4px 0;
  line-height: 1.6;
}
.hero-product-cta {
  text-align: center;
  border-left: 1px solid var(--border);
  padding-left: 28px;
}
.hero-product-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero-product-price .period {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 4px;
}
.hero-product-buy {
  width: 100%;
  padding: 12px 18px;
  font-size: 15px;
}
@media (max-width: 640px) {
  .hero-product-card {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
  }
  .hero-product-cta {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 20px;
  }
}

.card { padding: 24px; }
.card h2 { margin: 0 0 16px; font-size: 18px; }

label {
  display: block;
  margin: 14px 0;
  color: var(--muted);
}
label small { display: block; margin-top: 4px; font-size: 12px; }

input, select, textarea {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  background: #0a0b0d;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  min-height: 44px;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
}

button, .btn {
  display: inline-block;
  padding: 10px 18px;
  margin-right: 8px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--card);
  color: var(--fg);
  cursor: pointer;
  text-decoration: none;
}
button.primary, .btn.primary {
  background: var(--accent);
  color: #0a0b0d;
  border-color: var(--accent);
  font-weight: 600;
}
button.primary:hover, .btn.primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
}
button.secondary { color: var(--muted); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--error); }
.loading { color: var(--muted); padding: 20px 0; }

.required-mark {
  color: var(--error);
  margin-left: 2px;
}

.hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}
.hint code {
  padding: 0 4px;
  font-size: 11px;
}

.form-error {
  margin: 12px 0;
  padding: 10px 12px;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid var(--error);
  border-radius: 4px;
  color: var(--error);
  font-size: 13px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

#qr-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
}
#qr-img {
  max-width: 280px;
  max-height: 280px;
  background: #fff;
  padding: 12px;
  border-radius: 4px;
}
#qr-canvas {
  background: #fff;
  padding: 12px;
  border-radius: 4px;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#qr-canvas svg {
  width: 100%;
  height: 100%;
}
#qr-display details {
  width: 100%;
  font-size: 13px;
  color: var(--muted);
}
#qr-display textarea {
  width: 100%;
  margin-top: 8px;
  font-family: monospace;
  font-size: 11px;
}

.status code { font-size: 12px; }

.qr-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  gap: 12px;
}
.qr-header h2 {
  margin: 0;
  font-size: 18px;
}
.qr-amount {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

.qr-status {
  text-align: center;
  margin-top: 16px;
}
.qr-timer {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
}
.qr-timer-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 4px;
}
.qr-timer strong {
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
}
.qr-status-line {
  font-size: 12px;
  color: var(--muted);
}
.qr-status-line code {
  font-size: 11px;
}

.tip-card .fee { margin: 8px 0; font-size: 13px; color: var(--muted); }
.tip-card h3 { margin: 0 0 4px; font-size: 16px; }

.tip-block {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.tip-heading h2 {
  font-size: 22px;
  margin: 0 0 6px;
}
.tip-heading p {
  margin: 0 0 20px;
  color: var(--muted);
}

.tip-stack { display: block; }

.tip-primary {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 24px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--accent-dim);
  background: linear-gradient(135deg, #14161a 0%, #1a2118 100%);
}
.tip-primary h3 {
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tip-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  background: var(--accent-dim);
  color: #0a0b0d;
  border-radius: 3px;
  font-weight: 700;
}
.tip-primary-body .fee { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
.tip-primary-cta {
  text-align: right;
  border-left: 1px solid var(--border);
  padding-left: 24px;
}
@media (max-width: 640px) {
  .tip-primary {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .tip-primary-cta {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 16px;
    text-align: left;
  }
}

.tip-alternatives {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--border);
}
.tip-alt-label {
  margin: 0 0 10px;
  font-size: 12px;
}
.tip-alt-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tip-alt-link {
  display: inline-block;
  padding: 8px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.12s;
}
.tip-alt-link:hover {
  border-color: var(--accent-dim);
  text-decoration: none;
}

.wall { display: grid; gap: 10px; }
.tip-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
}
.tip-row .tip-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 4px;
}
.tip-row .amt { color: var(--accent); font-weight: 600; }
.tip-row .msg { margin: 6px 0 8px; color: var(--fg); }
.tip-row .meta { font-size: 12px; color: var(--muted); }
.tip-row .provider {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 10px;
}

.wall-empty {
  text-align: center;
  padding: 48px 24px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}
.wall-empty-title {
  font-size: 18px;
  margin: 0 0 8px;
}
.wall-empty .muted {
  margin: 0 0 20px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
footer .footer-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
footer .footer-row span { color: var(--border); }
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

.flex-pricing {
  margin: 16px 0 20px;
  padding: 18px;
  background: #0a0b0d;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.flex-pricing h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--fg);
  letter-spacing: -0.2px;
}
.flex-info {
  margin: 0 0 16px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.flex-info strong {
  color: var(--accent);
  font-weight: 600;
}

.flex-input-row {
  display: grid;
  grid-template-columns: auto 1fr 130px;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}
.flex-input-label {
  display: inline-block;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.flex-input-row input[type="range"] {
  width: 100%;
  margin: 0;
  padding: 0;
  min-height: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
.flex-input-row input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
}
.flex-input-row input[type="range"]::-moz-range-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
}
.flex-input-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border: 2px solid var(--bg);
  border-radius: 50%;
  margin-top: -6px;
  cursor: grab;
}
.flex-input-row input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--bg);
  border-radius: 50%;
  cursor: grab;
}
.flex-input-row input[type="range"]:focus {
  outline: none;
}
.flex-input-row input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(108, 240, 108, 0.25);
}
.flex-input-row input[type="range"]:focus::-moz-range-thumb {
  box-shadow: 0 0 0 3px rgba(108, 240, 108, 0.25);
}

.flex-input-row input[type="number"] {
  width: 100%;
  margin: 0;
  padding: 8px 10px;
  min-height: 36px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  background: var(--card);
}

.flex-preview {
  margin: 4px 0 8px;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  font-size: 13px;
}
.flex-preview-label {
  color: var(--muted);
  margin-right: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.flex-preview-value {
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.flex-warning {
  margin: 10px 0 0;
  padding: 8px 12px;
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid var(--warn);
  border-radius: 4px;
  color: var(--warn);
  font-size: 12px;
  line-height: 1.5;
}

.flex-disclaimer {
  margin: 12px 0 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
  font-style: italic;
}

.flex-modal {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  max-width: 460px;
  width: calc(100% - 32px);
  font-family: inherit;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}
.flex-modal::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(2px);
}
.flex-modal h3 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--accent);
  letter-spacing: -0.2px;
}
.flex-modal p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg);
}
.flex-modal p strong {
  color: var(--accent);
  font-weight: 600;
}
.flex-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}
.flex-modal-actions button {
  margin: 0;
}

@media (max-width: 540px) {
  .flex-input-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .flex-input-row input[type="number"] {
    text-align: left;
  }
}