/* ── QuantEdge Pro — Global Styles ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #0b0e17;
  --bg2:     #111520;
  --bg3:     #181d2e;
  --border:  #1f2740;
  --accent:  #4f8ef7;
  --accent2: #7c5af7;
  --green:   #22c55e;
  --red:     #ef4444;
  --amber:   #f59e0b;
  --text1:   #e8eaf6;
  --text2:   #8b92b5;
  --text3:   #4a5278;
  --radius:  .6rem;
  --font:    'Inter', 'SF Pro Display', system-ui, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text1);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

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

/* ── Nav ────────────────────────────────────────────────────────────────── */
nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--text2); font-size: .875rem; font-weight: 500; }
.nav-links a:hover { color: var(--text1); text-decoration: none; }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: .38rem .95rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .825rem;
}
.nav-cta:hover { background: #3a7de8; }

/* ── Layout helpers ─────────────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* ── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.card-title {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text2);
  margin-bottom: .6rem;
}

/* ── Stat card ──────────────────────────────────────────────────────────── */
.stat-value { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; }
.stat-change { font-size: .8rem; font-weight: 600; margin-top: .2rem; }
.up   { color: var(--green); }
.down { color: var(--red); }

/* ── Table ──────────────────────────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; font-size: .82rem; }
.tbl thead th {
  text-align: left;
  padding: .5rem .75rem;
  color: var(--text3);
  font-weight: 600;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}
.tbl tbody tr { border-bottom: 1px solid rgba(31,39,64,.6); }
.tbl tbody tr:last-child { border-bottom: none; }
.tbl tbody td { padding: .55rem .75rem; color: var(--text2); }
.tbl tbody td:first-child { color: var(--text1); font-weight: 600; }
.tbl tbody tr:hover td { background: rgba(79,142,247,.04); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ── Badge ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .18rem .55rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
}
.badge-up   { background: rgba(34,197,94,.12); color: var(--green); }
.badge-down { background: rgba(239,68,68,.12); color: var(--red); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  color: var(--text2);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto 2rem;
}
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: .7rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .9rem;
  cursor: pointer;
  border: none;
  transition: background .15s;
}
.btn-primary:hover { background: #3a7de8; }
.btn-outline {
  background: transparent;
  color: var(--text1);
  padding: .7rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: border-color .15s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ── Ticker bar ─────────────────────────────────────────────────────────── */
.ticker-bar {
  background: var(--bg3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: .45rem 0;
  white-space: nowrap;
}
.ticker-track {
  display: inline-flex;
  gap: 2.5rem;
  animation: ticker 30s linear infinite;
}
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item { font-size: .78rem; font-weight: 600; }
.ticker-item .sym { color: var(--text1); margin-right: .4rem; }
.ticker-item .prc { color: var(--text2); margin-right: .35rem; }

/* ── Section headers ────────────────────────────────────────────────────── */
.section { padding: 2rem 0; }
.section-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.section-title { font-size: 1rem; font-weight: 800; }
.section-link  { font-size: .78rem; color: var(--accent); }

/* ── Chart placeholder ──────────────────────────────────────────────────── */
.chart-wrap { height: 160px; position: relative; overflow: hidden; }
.chart-wrap canvas { width: 100% !important; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text3);
  font-size: .78rem;
  margin-top: 3rem;
}
footer a { color: var(--text3); }
footer a:hover { color: var(--text2); }

/* ── Login page specifics ───────────────────────────────────────────────── */
.login-wrap {
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
}
.login-title {
  font-size: 1.3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: .4rem;
}
.login-sub {
  text-align: center;
  color: var(--text2);
  font-size: .85rem;
  margin-bottom: 1.75rem;
}
.form-label { font-size: .78rem; font-weight: 600; color: var(--text2); display: block; margin-bottom: .35rem; }
.form-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text1);
  padding: .65rem .9rem;
  font-size: .88rem;
  outline: none;
  transition: border-color .15s;
}
.form-input:focus { border-color: var(--accent); }
.form-group { margin-bottom: 1.1rem; }
.login-submit {
  width: 100%;
  margin-top: .5rem;
  padding: .75rem;
  font-size: .95rem;
}
.login-err {
  display: none;
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius);
  color: var(--red);
  font-size: .82rem;
  padding: .6rem .9rem;
  margin-bottom: 1rem;
}
.login-footer { text-align: center; font-size: .78rem; color: var(--text2); margin-top: 1.25rem; }
.divider { display: flex; align-items: center; gap: .75rem; margin: 1.25rem 0; color: var(--text3); font-size: .75rem; }
.divider::before, .divider::after { content:''; flex:1; height:1px; background:var(--border); }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links .hide-sm { display: none; }
  .hero { padding: 3rem 0 2rem; }
}