:root {
  --bg: #0b1418;
  --panel: #0f1a1f;
  --panel-2: #16252b;
  --border: #23363d;
  --text: #d6dee1;
  --muted: #9aa7ad;
  --accent: #50d2c1;
  --buy: #1fa67d;
  --sell: #ed4d5c;
  --warn: #e0a040;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); }
.buy { color: var(--buy); }
.sell { color: var(--sell); }

/* --- buttons & forms --- */
.btn { display: inline-block; background: var(--accent); color: #062126; border: 0; border-radius: 8px;
  padding: 10px 18px; font-weight: 600; font-size: 15px; cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.small { padding: 5px 12px; font-size: 13px; }
button.link { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }
button.link:hover { color: var(--text); }
form.inline { display: inline; }
.form { display: flex; flex-direction: column; gap: 14px; margin: 20px 0; }
.form label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); }
.form label.check { flex-direction: row; align-items: center; gap: 8px; }
.form input[type=email], .form input[type=password] { background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px; border-radius: 8px; font-size: 15px; }

/* --- page layout --- */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px;
  border-bottom: 1px solid var(--border); gap: 16px; flex-wrap: wrap; }
.nav nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav nav a { color: var(--text); }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; font-size: 17px; }
.brand:hover { text-decoration: none; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--buy);
  box-shadow: 9px 3px 0 -2px var(--sell); display: inline-block; margin-right: 6px; }
.flashes { max-width: 720px; margin: 16px auto 0; padding: 0 16px; }
.flash { padding: 10px 14px; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--border); margin-bottom: 8px; }
.flash.error { border-color: var(--sell); }
.flash.warn { border-color: var(--warn); }
.narrow { max-width: 440px; margin: 40px auto; padding: 0 16px; }
.narrow.wide { max-width: 720px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin: 16px 0; }
.card h3 { margin-top: 0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; background: var(--panel-2);
  border: 1px solid var(--border); font-size: 13px; }
.badge.ok { border-color: var(--buy); color: var(--buy); }
.badge.err { border-color: var(--sell); color: var(--sell); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 500; }

/* --- landing page --- */
.lp-body { background: radial-gradient(1200px 600px at 75% -10%, rgba(80, 210, 193, .13), transparent 60%), var(--bg); }
.lp-nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 24px; background: rgba(11, 20, 24, .85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border); }
.lp-nav nav { display: flex; align-items: center; gap: 20px; }
.lp-nav nav a:not(.btn) { color: var(--text); }
.lp { max-width: 1200px; margin: 0 auto; padding: 0 20px 40px; }
.hl { background: linear-gradient(90deg, #50d2c1, #7dffcf); -webkit-background-clip: text; background-clip: text; color: transparent; }

.lp-hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: center; padding: 48px 0 32px; }
.lp-pill { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: var(--accent); border: 1px solid rgba(80, 210, 193, .4); background: rgba(80, 210, 193, .08);
  border-radius: 99px; padding: 4px 12px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #ff4d5e; box-shadow: 0 0 0 0 rgba(255, 77, 94, .7);
  animation: pulse 1.6s infinite; display: inline-block; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 77, 94, .7); } 70% { box-shadow: 0 0 0 8px rgba(255, 77, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 94, 0); } }
.lp-hero h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.08; margin: 18px 0 16px; letter-spacing: -.02em; }
.lp-sub { font-size: 19px; color: #b9c5c9; margin: 0 0 18px; }
.lp-checks { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 9px; font-size: 17px; }
.lp-checks li { padding-left: 30px; position: relative; }
.lp-checks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(31, 166, 125, .2); color: #3ee0a8; font-weight: 800; font-size: 13px; display: grid; place-items: center; }
.lp-cta { font-size: 19px; padding: 16px 28px; border-radius: 12px; background: linear-gradient(90deg, #2fd39b, #50d2c1);
  color: #04221c; box-shadow: 0 10px 30px -8px rgba(47, 211, 155, .6); transition: transform .15s; }
.lp-cta:hover { transform: translateY(-2px); }
.lp-secondary { display: block; margin-top: 14px; color: var(--muted); font-size: 15px; }
.lp-trust { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

.lp-window { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--panel);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .8), 0 0 0 1px rgba(80, 210, 193, .15); }
.lp-window-bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px;
  background: var(--bg); border-bottom: 1px solid var(--border); font-size: 13px; }
.lp-live-badge { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: #ff6b78; letter-spacing: .05em; }
.lp-window iframe { display: block; width: 100%; height: 470px; border: 0; }
.lp-caption { text-align: center; color: var(--muted); font-size: 14px; margin: 10px 0 0; }

.lp-section { padding: 56px 0 8px; }
.lp-section h2, .lp-final h2 { font-size: clamp(26px, 3.4vw, 40px); line-height: 1.15; text-align: center; margin: 0 0 32px; letter-spacing: -.01em; }
.lp-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.lp-card h3 { margin: 10px 0 6px; font-size: 20px; }
.lp-card p { color: #b9c5c9; margin: 0; font-size: 16px; }
.lp-compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; }
.lp-art { width: 100%; height: 150px; }
.lp-dim { opacity: .75; }
.lp-glow { border-color: rgba(80, 210, 193, .5); box-shadow: 0 0 40px -10px rgba(80, 210, 193, .35); }
.lp-vs { font-weight: 800; color: var(--muted); font-size: 20px; }
.lp-uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.chips { display: flex; gap: 8px; align-items: center; min-height: 56px; }
.chip { border-radius: 99px; display: grid; place-items: center; font: 800 11px Arial, sans-serif; color: #fff;
  width: 44px; height: 44px; }
.chip.big { width: 58px; height: 58px; font-size: 13px; }
.chip.long { background: rgba(31, 166, 125, .75); }
.chip.sl { background: rgba(31, 166, 125, .75); color: #ffb74d; }
.chip.liq { background: rgba(31, 166, 125, .75); color: #ffeb3b; }
.chip.ring { background: rgba(237, 77, 92, .6); color: transparent; box-shadow: 0 0 0 3px #ffd54a; }
.lp-note { text-align: center; color: var(--muted); margin-top: 22px; font-size: 16px; }

.lp-price-card { max-width: 560px; margin: 0 auto; text-align: center; background: var(--panel);
  border: 2px solid var(--accent); border-radius: 18px; padding: 32px 28px; box-shadow: 0 0 60px -15px rgba(80, 210, 193, .45); }
.lp-price-card h2 { margin: 0; font-size: 26px; }
.lp-price { font-size: 56px; font-weight: 800; margin: 6px 0 18px; }
.lp-price span { font-size: 18px; font-weight: 400; color: var(--muted); }
.lp-price-card .lp-checks { text-align: left; max-width: 420px; margin: 0 auto 26px; font-size: 16px; }
.lp-faq { max-width: 720px; margin: 0 auto; }
.lp-faq details { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
.lp-faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.lp-faq details p { color: #b9c5c9; margin: 10px 0 0; }
.lp-final { text-align: center; padding: 64px 0 24px; }
.foot { color: var(--muted); font-size: 13px; margin-top: 48px; text-align: center; }

@media (max-width: 900px) {
  .lp-hero { grid-template-columns: 1fr; padding-top: 28px; gap: 28px; }
  .lp-window iframe { height: 360px; }
  .lp-compare { grid-template-columns: 1fr; }
  .lp-vs { text-align: center; }
  .lp-uses { grid-template-columns: 1fr; }
  .lp-cta { display: block; text-align: center; font-size: 17px; }
  .lp-nav { padding: 10px 16px; }
  .lp-nav nav { gap: 12px; }
}

/* --- full-screen app --- */
body.app { height: 100vh; overflow: hidden; }
body.app .flashes { display: none; }
.tm { display: flex; flex-direction: column; height: 100vh; background: var(--panel); }
.toolbar, .statusbar { display: flex; align-items: center; gap: 12px; padding: 5px 10px; background: var(--bg);
  color: var(--muted); font-size: 13px; flex-wrap: wrap; }
.toolbar label { display: inline-flex; align-items: center; gap: 6px; }
.toolbar input, .toolbar select { background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 5px; padding: 3px 6px; font-size: 13px; }
.toolbar input[type=number] { width: 80px; }
.toolbar input.num { width: 52px; }
.toolbar input[type=color] { width: 30px; height: 22px; padding: 0 2px; }
.toolbar input[type=range] { width: 100px; padding: 0; }
.toolbar input.invalid { border-color: var(--sell); }
.toolbar input:disabled, .toolbar select:disabled { opacity: .7; }
.toolbar .dim { margin-left: -6px; }
.toolbar .brand .dot { margin: 0 6px 0 2px; }
.tool { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); border-radius: 5px;
  cursor: pointer; padding: 2px 8px; font-size: 14px; }
.spacer { flex: 1; }
.chart { position: relative; flex: 1; min-height: 0; }
.chart canvas { position: absolute; inset: 0; display: block; }
.legend { position: absolute; top: 8px; left: 10px; font: 12px/1.45 Consolas, "SF Mono", monospace;
  color: var(--muted); pointer-events: none; }
.legend .title { font-weight: 700; }
.legend .addr { color: #e6edf0; }
.tooltip { position: absolute; pointer-events: none; background: rgba(22, 37, 43, .94); border: 1px solid #2b434b;
  border-radius: 6px; padding: 6px 9px; font-size: 12px; line-height: 1.5; color: #e6edf0; white-space: nowrap; z-index: 5; }
.demo-badge { position: absolute; top: 8px; right: 90px; background: rgba(224, 160, 64, .15); color: var(--warn);
  border: 1px solid var(--warn); border-radius: 99px; padding: 2px 10px; font-size: 12px; pointer-events: none; }
.conn.ok { color: var(--buy); }
.conn.warn { color: var(--warn); }
.tm.bare .toolbar, .tm.bare .statusbar { display: none; }
body.app.embed .tm { height: 100vh; }
body.app.embed .legend { font-size: 11px; }
.toolbar select option:disabled { color: #5b6a70; }
.flash.info { border-color: var(--accent); }