:root {
  --bg: #070e1a;
  --panel: #101a2c;
  --line: #223552;
  --text: #eaf2ff;
  --muted: #8fa6c7;
  --accent: #2ee6a6;
  --accent2: #4aa8ff;
  --danger: #ff6b7a;
  --glow: rgba(46, 230, 166, 0.18);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(80% 60% at 0% 0%, #0f3a3a 0%, transparent 50%),
    radial-gradient(70% 50% at 100% 0%, #12305a 0%, transparent 45%),
    var(--bg);
}
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; min-height: 100dvh; }
.rail {
  border-left: 1px solid var(--line);
  padding: 20px 14px;
  background: linear-gradient(180deg, #0c1628, #0a1220);
}
.logo {
  font-weight: 900; font-size: 1.4rem; color: var(--accent);
  letter-spacing: 0.06em; margin-bottom: 24px;
}
.rail .nav {
  display: block; width: 100%; text-align: right;
  background: transparent; border: 1px solid transparent;
  color: var(--muted); padding: 10px 12px; border-radius: 10px;
  margin-bottom: 6px; cursor: pointer; font-weight: 600;
}
.rail .nav.active, .rail .nav:hover {
  color: var(--text); border-color: var(--line);
  background: rgba(74, 168, 255, 0.08);
}
.rail-note { color: var(--muted); font-size: 0.72rem; margin-top: 28px; line-height: 1.5; }
main { padding: 22px 26px 40px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.top h1 { font-size: 1.15rem; margin: 0; }
.pill {
  font-size: 0.75rem; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
}
.pill.on { color: var(--accent); border-color: #2a6b58; }
.panel { margin-top: 18px; max-width: 860px; }
.hidden { display: none !important; }
.card {
  background: #101a2c;
  border: 1px solid var(--line); border-radius: 14px; padding: 16px;
}
.card.glow { box-shadow: 0 0 24px var(--glow); }
label { display: block; margin: 10px 0; color: var(--muted); font-size: 0.85rem; }
input {
  width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: #0b1526; color: var(--text);
  font-family: Consolas, monospace; letter-spacing: 0.05em;
}
.primary, .ghost, .chip {
  border: none; border-radius: 10px; cursor: pointer; font-weight: 700;
}
.primary {
  width: 100%; margin-top: 12px; padding: 12px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); color: #041018;
}
.ghost {
  margin-top: 8px; padding: 8px 12px; background: transparent;
  border: 1px solid var(--line); color: var(--text);
}
.tabs { display: flex; gap: 8px; margin-bottom: 8px; }
.chip {
  padding: 6px 12px; background: #0b1526; color: var(--muted); border: 1px solid var(--line);
}
.chip.active { color: var(--accent); border-color: #2a6b58; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.addr { display: block; direction: ltr; text-align: left; word-break: break-all; font-size: 0.8rem; }
.msg { margin-top: 10px; font-size: 0.85rem; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--accent); }
.hint { color: var(--muted); font-size: 0.85rem; }
.bullets { color: var(--muted); line-height: 1.8; }
.amt-mode {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  margin: 10px 0;
}
.amt-mode legend { color: var(--muted); font-size: 0.8rem; padding: 0 6px; }
.amt-mode .row { margin: 6px 0; color: var(--text); font-size: 0.85rem; }
.amt-mode input[type="radio"] { width: auto; margin: 0; }
.pay-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
  align-items: stretch;
}
.pay-actions > * {
  margin: 0 !important;
  width: 100% !important;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 8px !important;
  font-size: 0.82rem;
  box-sizing: border-box;
}
.pay-actions .file-btn {
  cursor: pointer;
}
.pay-amount-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pay-amount-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pay-amount-head > span:first-child {
  color: var(--muted);
  font-size: 0.75rem;
}
.pay-amount-block input {
  margin-top: 0;
  max-width: 180px;
}
.badge-fixed {
  display: inline-block; font-size: 0.72rem; padding: 2px 10px; border-radius: 999px;
  border: 1px solid #2a6b58;
  color: var(--accent);
  background: rgba(46, 230, 166, 0.08);
  width: auto;
}
.badge-var {
  display: inline-block; font-size: 0.72rem; padding: 2px 10px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
  width: auto;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center; }
.primary.narrow { width: auto; margin-top: 0; padding: 10px 14px; }
.file-btn { display: inline-block; padding: 8px 12px; cursor: pointer; margin-top: 0; }
.link-btn { display: inline-block; padding: 8px 12px; text-decoration: none; color: var(--text); border: 1px solid var(--line); border-radius: 10px; }
.qr-wrap {
  width: 220px; height: 220px; margin: 12px auto;
  background: #fff; border-radius: 12px; padding: 10px;
  display: flex; align-items: center; justify-content: center;
}
.qr-wrap img, .qr-wrap canvas { max-width: 100%; height: auto; }
.pay-qr-block {
  grid-column: 1 / -1;
  text-align: center;
  background: #0b1526;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.pay-qr-block .qr-wrap { margin: 8px auto; }
.pay-qr-block .hint { margin: 0; }
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px;
}
.modal-card {
  width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 18px; position: relative;
}
.modal-x {
  position: absolute; left: 12px; top: 8px; border: none; background: transparent;
  color: var(--muted); font-size: 1.4rem; cursor: pointer;
}
.scan-box { margin-top: 12px; }
.scan-box video {
  width: 100%; max-height: 280px; border-radius: 12px; background: #000;
  object-fit: cover;
}
.pay-result {
  margin-top: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.pay-result .cell {
  background: #0b1526; border: 1px solid var(--line); border-radius: 10px; padding: 10px;
}
.pay-result .cell span.label { display: block; color: var(--muted); font-size: 0.75rem; }
.pay-result .cell.wide { grid-column: 1 / -1; }
.install-hint {
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed #2a4a6e;
  background: #122033;
  color: #9ec5ff;
  font-size: 0.82rem;
  line-height: 1.5;
}
.nanom-pwa-update {
  position: fixed;
  top: calc(12px + env(safe-area-inset-top, 0px));
  left: 12px;
  right: 12px;
  z-index: 10000;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.nanom-pwa-update.hidden { display: none !important; }
.nanom-pwa-update-card {
  pointer-events: auto;
  width: min(420px, 100%);
  background: #1a2a18;
  border: 1px solid #3d6b3a;
  color: #e8ffe8;
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4);
  direction: rtl;
  text-align: right;
}
.nanom-pwa-update-card strong {
  display: block;
  font-size: 0.95rem;
}
.nanom-pwa-update-card p {
  margin: 6px 0 0;
  font-size: 0.8rem;
  color: #b7d4b5;
  line-height: 1.45;
}
.nanom-pwa-update-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 12px;
}
.nanom-pwa-update-actions .primary.narrow {
  margin-top: 0;
  min-width: 110px;
}
.nanom-pwa-update-actions .ghost {
  margin-top: 0;
}
.mobile-nav { display: none; }
@media (max-width: 800px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px));
  }
  .rail { display: none; }
  main { padding: 14px 14px 28px; }
  .grid2 { grid-template-columns: 1fr; }
  .pay-actions {
    grid-template-columns: 1fr;
  }
  @media (min-width: 380px) {
    .pay-actions { grid-template-columns: 1fr 1fr 1fr; }
  }
  .mobile-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 40;
    background: rgba(10, 18, 32, 0.96);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(10px);
    padding: 8px 6px calc(10px + env(safe-area-inset-bottom, 0px));
    gap: 4px;
  }
  .mobile-nav .nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 100%;
    min-height: 56px;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 8px 2px;
    border-radius: 12px;
  }
  .mobile-nav .nav .ico {
    font-size: 1.15rem;
    line-height: 1;
    opacity: 0.9;
  }
  .mobile-nav .nav.active {
    color: var(--accent);
    background: rgba(46, 230, 166, 0.12);
  }
}