:root {
  --bg: #0b0f17;
  --panel: #141b2b;
  --panel-2: #1b2436;
  --text: #e6edf6;
  --muted: #8b97ad;
  --brand: #5b8cff;
  --brand-2: #7c5cff;
  --green: #2ecc71;
  --red: #ff5d6c;
  --amber: #f5a623;
  --border: #233047;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1a2336 0%, var(--bg) 55%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* Nav */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; border-bottom: 1px solid var(--border);
  background: rgba(11,15,23,.7); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.brand .logo { color: var(--brand-2); }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); }

/* Layout */
.container { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 32px 24px; }
.footer { border-top: 1px solid var(--border); padding: 18px 24px; color: var(--muted); font-size: 13px; text-align: center; }
.footer p { max-width: 760px; margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-block; background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; border: 0; padding: 11px 18px; border-radius: 10px; font-weight: 600; cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn-sm { padding: 7px 12px; font-size: 14px; }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-block { width: 100%; text-align: center; margin-top: 8px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-danger { background: var(--red); }

/* Forms */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 24px;
  margin-bottom: 20px;
}
.card.narrow { max-width: 420px; margin: 40px auto; }
.card h2, .card h3 { margin-top: 0; }
label { display: block; margin: 12px 0 6px; font-size: 14px; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 12px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 16px; /* 16px prevents iOS focus zoom */
}
input:focus, select:focus { outline: none; border-color: var(--brand); }
.row { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; }
.err { color: var(--red); font-size: 12px; display: block; }
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; border: 1px solid var(--border); }
.flash-success { background: rgba(46,204,113,.12); border-color: var(--green); }
.flash-danger { background: rgba(255,93,108,.12); border-color: var(--red); }
.flash-warning { background: rgba(245,166,35,.12); border-color: var(--amber); }
.flash-info { background: rgba(91,140,255,.12); border-color: var(--brand); }

/* Hero / landing */
.hero { text-align: center; padding: 40px 0 20px; }
.hero h1 { font-size: 44px; line-height: 1.15; margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); max-width: 720px; margin: 0 auto 36px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 36px; text-align: left; }
.feature { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 16px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
.cta { display: flex; gap: 14px; justify-content: center; }

/* Live chart on result page */
.chart-card { padding-bottom: 14px; }
#price-chart { width: 100%; height: 440px; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.chart-legend {
  display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px;
  font-size: 12px; color: var(--muted);
}
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
@media (max-width: 600px) { #price-chart { height: 320px; } }

/* ============ HOMEPAGE ============ */
/* live price ticker */
.ticker {
  overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.28); padding: 9px 0; margin: 0 -24px 30px;
}
.ticker-track { display: flex; gap: 38px; white-space: nowrap; width: max-content; animation: tkScroll 50s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes tkScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.tk { font-size: 13px; color: var(--muted); display: inline-flex; gap: 6px; align-items: baseline; }
.tk b { color: var(--text); font-weight: 600; }
.tk em { font-style: normal; font-weight: 700; }
.tk-up em { color: var(--green); } .tk-down em { color: var(--red); }
.tk-loading { color: var(--brand); }

/* hero */
.home-hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; margin-bottom: 60px; }
.pill-glow {
  display: inline-block; font-size: 12px; color: var(--muted);
  border: 1px solid var(--border); padding: 6px 13px; border-radius: 999px;
  background: rgba(91,140,255,.08);
}
.hero-text h1 { font-size: 54px; line-height: 1.04; margin: 16px 0 16px; letter-spacing: -1.5px; font-weight: 800; }
.grad {
  background: linear-gradient(120deg, var(--brand), var(--brand-2) 45%, #2ecc71);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-cta { display: flex; gap: 12px; margin: 24px 0 18px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }

/* hero chart card */
.hero-chart-card {
  background: rgba(20,27,43,.72); border: 1px solid var(--border); border-radius: 18px;
  padding: 16px; backdrop-filter: blur(10px); box-shadow: 0 24px 70px rgba(0,0,0,.4);
}
.hcc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 10px; }
.pair-select {
  width: auto; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 9px; font-weight: 700; font-size: 14px; cursor: pointer;
}
.signal-pill { font-weight: 700; font-size: 13px; padding: 7px 14px; border-radius: 999px; text-align: center; min-width: 110px; }
.sig-buy { background: rgba(46,204,113,.18); color: var(--green); }
.sig-sell { background: rgba(255,93,108,.18); color: var(--red); }
.sig-hold { background: rgba(245,166,35,.18); color: var(--amber); }
.sig-loading { background: rgba(91,140,255,.16); color: var(--brand); }
.hero-chart { height: 270px; }
.hcc-foot { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin-top: 12px; }
.hcc-foot div { background: rgba(0,0,0,.28); border: 1px solid var(--border); border-radius: 9px; padding: 8px 6px; text-align: center; }
.hcc-foot span { display: block; font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .3px; }
.hcc-foot b { font-size: 13px; word-break: break-all; }
.hcc-note { font-size: 11px; color: var(--muted); margin: 10px 0 0; text-align: center; }

/* features */
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-bottom: 60px; }
.feature {
  background: rgba(20,27,43,.6); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; transition: transform .2s, border-color .2s;
}
.feature:hover { transform: translateY(-4px); border-color: var(--brand); }
.feature .fi { font-size: 30px; line-height: 1; }
.feature h3 { margin: 12px 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

/* steps */
.steps-card { background: rgba(20,27,43,.5); border: 1px solid var(--border); border-radius: 18px; padding: 32px; margin-bottom: 56px; }
.steps-title { text-align: center; margin: 0 0 26px; font-size: 26px; }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.step { text-align: center; }
.step-n {
  width: 42px; height: 42px; border-radius: 50%; margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff;
  font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.step h4 { margin: 0 0 6px; } .step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

/* final CTA */
.final-cta { text-align: center; padding: 10px 0 30px; }
.final-cta h2 { font-size: 36px; margin: 0 0 10px; letter-spacing: -.5px; }
.final-cta p { color: var(--muted); margin: 0 0 22px; }

@media (max-width: 900px) {
  .home-hero { grid-template-columns: 1fr; gap: 30px; }
  .hero-text h1 { font-size: 40px; }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .final-cta h2 { font-size: 28px; }
}

/* Demo 1-click login */
.demo-login {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border);
  display: flex; flex-direction: column; align-items: center; gap: 9px;
}
.btn-demo {
  background: linear-gradient(135deg, var(--amber), #ffce54);
  color: #2a1d00; width: 100%; text-align: center; font-weight: 700;
  padding: 11px 16px; border-radius: 10px;
}
.btn-demo:hover { filter: brightness(1.06); text-decoration: none; }
.demo-creds {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 12px; font-size: 12px; color: var(--muted); letter-spacing: .2px;
}

/* Dashboard */
.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.badge { background: var(--panel-2); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; font-size: 13px; color: var(--muted); }
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.dropzone {
  border: 2px dashed var(--border); border-radius: 12px; padding: 28px; text-align: center;
  cursor: pointer; transition: .15s; margin: 14px 0;
}
.dropzone:hover, .dropzone.drag { border-color: var(--brand); background: var(--panel-2); }
.dropzone p { margin: 4px 0; }
.preview img { max-width: 100%; max-height: 220px; border-radius: 10px; margin-top: 12px; }

.history { list-style: none; padding: 0; margin: 0; }
.history li { border-bottom: 1px solid var(--border); }
.h-row { display: flex; align-items: center; gap: 14px; padding: 12px 4px; color: var(--text); }
.h-row:hover { text-decoration: none; background: var(--panel-2); border-radius: 8px; }
.h-pair { flex: 1; font-weight: 600; }
.h-pair small { color: var(--muted); font-weight: 400; }
.sig { font-weight: 700; font-size: 12px; padding: 4px 10px; border-radius: 999px; min-width: 54px; text-align: center; }
.sig-buy { background: rgba(46,204,113,.18); color: var(--green); }
.sig-sell { background: rgba(255,93,108,.18); color: var(--red); }
.sig-hold { background: rgba(245,166,35,.18); color: var(--amber); }

/* Result */
.back { display: inline-block; margin-bottom: 14px; color: var(--muted); }
.result-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.result-head h2 { margin: 0; }
.result-head small { color: var(--muted); font-weight: 400; }
.signal-box { text-align: center; padding: 14px 22px; border-radius: 14px; border: 1px solid var(--border); }
.big-signal { display: block; font-size: 26px; font-weight: 800; }
.signal-buy { background: rgba(46,204,113,.14); border-color: var(--green); }
.signal-buy .big-signal { color: var(--green); }
.signal-sell { background: rgba(255,93,108,.14); border-color: var(--red); }
.signal-sell .big-signal { color: var(--red); }
.signal-hold { background: rgba(245,166,35,.14); border-color: var(--amber); }
.signal-hold .big-signal { color: var(--amber); }
.confidence { color: var(--muted); font-size: 13px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-img { width: 100%; border-radius: 12px; border: 1px solid var(--border); }
.levels { list-style: none; padding: 0; }
.levels li { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.levels b { color: var(--text); }
table.kv { width: 100%; border-collapse: collapse; }
table.kv td { padding: 9px 8px; border-bottom: 1px solid var(--border); }
table.kv td:first-child { color: var(--muted); }
.actions { margin: 18px 0; }
.disclaimer-box {
  margin-top: 14px; padding: 16px; border-radius: 12px; background: rgba(245,166,35,.08);
  border: 1px solid var(--amber); color: var(--muted); font-size: 14px;
}

@media (max-width: 820px) {
  .features, .dash-grid, .result-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .row { grid-template-columns: 1fr; }
}

/* ---- Hamburger nav (mobile) ---- */
.nav-burger {
  display: none; flex-direction: column; justify-content: center; gap: 4px;
  background: transparent; border: 1px solid var(--border); border-radius: 9px;
  padding: 9px 11px; cursor: pointer; appearance: none; -webkit-appearance: none;
}
.nav-burger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-burger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---- Tablet & phone ---- */
@media (max-width: 760px) {
  .container { padding: 22px 16px; }
  .nav { padding: 12px 16px; }
  .nav-burger { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--panel); border: 1px solid var(--border); border-top: 0;
    border-radius: 0 0 14px 14px; padding: 6px 12px; margin-top: 1px;
    box-shadow: 0 22px 50px rgba(0,0,0,.45);
  }
  .nav-links.open { display: flex; }
  .nav-links > a, .nav-links > span { padding: 13px 6px; border-bottom: 1px solid var(--border); }
  .nav-links > *:last-child { border-bottom: 0; }
  .nav-links .btn-sm { text-align: center; margin-top: 4px; }

  .ticker { margin: 0 -16px 24px; }
  .hero-text h1 { font-size: 38px; }
  .lead { font-size: 16px; }
  .hero-cta { width: 100%; flex-direction: column; }
  .hero-cta .btn, .final-cta .btn { width: 100%; }
  .hcc-foot { grid-template-columns: repeat(2, 1fr); }
  .steps-card { padding: 20px; }
  .final-cta h2 { font-size: 26px; }

  .card { padding: 18px; }
  .dash-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .result-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .signal-box { align-self: stretch; }
  .actions form { width: 100%; }
  .actions .btn { width: 100%; }
  .chart-img { max-height: 60vh; object-fit: contain; }
  table.kv td { padding: 8px 4px; word-break: break-word; }
}

/* ---- Small phones ---- */
@media (max-width: 480px) {
  .hero-text h1 { font-size: 32px; letter-spacing: -1px; }
  .brand { font-size: 16px; }
  #price-chart { height: 300px; }
  .hero-chart { height: 240px; }
  .big-signal { font-size: 22px; }
  .hcc-foot b { font-size: 12px; }
  .h-row .muted { display: none; }   /* hide timestamp on tiny screens to keep rows tidy */
}