/* VybRel Trading Bot — Design System
   ----------------------------------
   Dark-first, modern SaaS aesthetic. Uses CSS variables for tenant-themable
   future (multi-tenant white-label brand support). */

:root {
  --bg:         #0a0d12;
  --bg-soft:    #0d1117;
  --card:       #161b22;
  --card-soft:  #1c2128;
  --border:     #30363d;
  --border-bright: #484f58;
  --text:       #e6edf3;
  --muted:      #8b949e;
  --green:      #3fb950;
  --green-soft: rgba(63,185,80,.12);
  --red:        #f85149;
  --red-soft:   rgba(248,81,73,.12);
  --yellow:     #d29922;
  --yellow-soft:rgba(210,153,34,.12);
  --blue:       #58a6ff;
  --blue-soft:  rgba(88,166,255,.12);
  --purple:     #bc8cff;
  --purple-soft:rgba(188,140,255,.12);
  --orange:     #f0883e;
  --accent:     #00d4aa;       /* VybRel brand accent */
  --accent-soft:rgba(0,212,170,.12);
  --gradient-1: linear-gradient(135deg, #00d4aa 0%, #58a6ff 100%);
  --gradient-2: linear-gradient(135deg, #bc8cff 0%, #58a6ff 100%);
  --radius:     10px;
  --shadow:     0 4px 24px rgba(0,0,0,.4);
  --nav-bg:     rgba(10,13,18,.85);
}

/* ── Light theme (toggled via data-theme="light" on <html>) ── */
[data-theme="light"] {
  --bg:         #f6f8fa;
  --bg-soft:    #ffffff;
  --card:       #ffffff;
  --card-soft:  #eef1f4;
  --border:     #d0d7de;
  --border-bright: #afb8c1;
  --text:       #1f2328;
  --muted:      #656d76;
  --green:      #1a7f37;
  --green-soft: rgba(26,127,55,.10);
  --red:        #cf222e;
  --red-soft:   rgba(207,34,46,.10);
  --yellow:     #9a6700;
  --yellow-soft:rgba(154,103,0,.10);
  --blue:       #0969da;
  --blue-soft:  rgba(9,105,218,.10);
  --purple:     #8250df;
  --purple-soft:rgba(130,80,223,.10);
  --accent:     #00a98a;
  --accent-soft:rgba(0,169,138,.12);
  --shadow:     0 4px 24px rgba(140,149,159,.25);
  --nav-bg:     rgba(255,255,255,.85);
}

/* Theme toggle button */
.theme-toggle { display:inline-flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:8px; border:1px solid var(--border);
  background:var(--card); color:var(--muted); cursor:pointer; font-size:16px;
  transition:all .2s; }
.theme-toggle:hover { color:var(--text); border-color:var(--border-bright); }

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: -apple-system, 'Segoe UI', Roboto, sans-serif; font-size: 14px; line-height: 1.5; }
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; }
code { font-family: 'JetBrains Mono', 'Consolas', monospace; font-size: 12px; background: var(--card-soft); padding: 2px 6px; border-radius: 4px; }

/* ────── Navigation ────── */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 32px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--nav-bg); backdrop-filter: blur(8px); z-index: 50; }
.nav .brand { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.nav .brand .logo { width: 36px; height: 36px; border-radius: 9px; background: var(--gradient-1); display: flex; align-items: center; justify-content: center; color: #0a0d12; font-weight: 900; font-size: 16px; }
.nav .brand .name span { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav .links { display: flex; gap: 6px; align-items: center; }
.nav .links a { padding: 8px 14px; font-size: 13px; color: var(--muted); border-radius: 6px; transition: all .2s; }
.nav .links a:hover { color: var(--text); background: var(--card-soft); }
.nav .links a.active { color: var(--accent); background: var(--accent-soft); }
.nav .cta { display: flex; gap: 8px; align-items: center; }
@media (max-width: 800px) { .nav .links { display: none; } .nav { padding: 14px 16px; } }

/* ────── Buttons ────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; font-size: 13px; font-weight: 600; border-radius: 8px; border: 1px solid var(--border); color: var(--text); background: var(--card); cursor: pointer; transition: all .2s; }
.btn:hover { border-color: var(--border-bright); background: var(--card-soft); }
.btn-primary { background: var(--accent); color: #0a0d12; border-color: var(--accent); }
.btn-primary:hover { background: #00b894; border-color: #00b894; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: var(--card-soft); }
.btn-outline { background: transparent; }
.btn-danger { color: var(--red); border-color: var(--red); }
.btn-danger:hover { background: var(--red-soft); }
.btn-google { background: #fff; color: #222; border-color: #fff; }
.btn-google:hover { background: #f0f0f0; }
.btn-lg { padding: 14px 24px; font-size: 14px; }
.btn-sm { padding: 6px 12px; font-size: 11px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ────── Layout ────── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section-sm { padding: 32px 0; }
h1 { font-size: 44px; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
h2 { font-size: 28px; font-weight: 700; letter-spacing: -.01em; line-height: 1.2; margin-bottom: 14px; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.3; }
h4 { font-size: 14px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
p { color: var(--muted); }
.gradient-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.muted { color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 600; }
.pill-accent { background: var(--accent-soft); color: var(--accent); }
.pill-green  { background: var(--green-soft);  color: var(--green); }
.pill-blue   { background: var(--blue-soft);   color: var(--blue); }
.pill-yellow { background: var(--yellow-soft); color: var(--yellow); }
.pill-red    { background: var(--red-soft);    color: var(--red); }
.pill-purple { background: var(--purple-soft); color: var(--purple); }
.pill-grey   { background: var(--card-soft);   color: var(--muted); }

/* ────── Hero ────── */
.hero { padding: 80px 24px 64px; text-align: center; }
.hero h1 { font-size: 56px; margin-bottom: 20px; }
.hero .tagline { font-size: 20px; color: var(--muted); max-width: 720px; margin: 0 auto 36px; }
.hero .cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border: 1px solid var(--accent); border-radius: 100px; color: var(--accent); font-size: 12px; font-weight: 600; margin-bottom: 24px; background: var(--accent-soft); }
.hero-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
@media (max-width: 600px) { .hero h1 { font-size: 36px; } .hero .tagline { font-size: 16px; } }

/* ────── Cards / Grids ────── */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--border-bright); }
.card.interactive:hover { transform: translateY(-2px); border-color: var(--accent); }
.card h3 { margin-bottom: 8px; }
.card .icon { font-size: 28px; margin-bottom: 10px; line-height: 1; }
.stat-card { padding: 18px 20px; }
.stat-card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.stat-card .val { font-size: 24px; font-weight: 700; }
.stat-card .sub { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* ────── Forms ────── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 7px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text);
  padding: 11px 13px; border-radius: 7px; font-size: 14px; font-family: inherit; transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group .hint { font-size: 11px; color: var(--muted); margin-top: 5px; }
.form-help { font-size: 12px; color: var(--muted); margin: 12px 0; line-height: 1.6; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin: 22px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ────── Tables ────── */
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
th { background: var(--card-soft); color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; padding: 11px 14px; text-align: left; }
td { padding: 11px 14px; border-top: 1px solid var(--border); font-size: 13px; }
tr:hover td { background: var(--card-soft); }

/* ────── Flash messages ────── */
.flash { padding: 12px 18px; border-radius: 7px; margin: 12px 0; font-size: 13px; display: flex; align-items: center; gap: 10px; }
.flash.error   { background: var(--red-soft);    color: var(--red);    border: 1px solid var(--red); }
.flash.success { background: var(--green-soft);  color: var(--green);  border: 1px solid var(--green); }
.flash.info    { background: var(--blue-soft);   color: var(--blue);   border: 1px solid var(--blue); }
.flash.warning { background: var(--yellow-soft); color: var(--yellow); border: 1px solid var(--yellow); }

/* ────── Footer ────── */
.footer { border-top: 1px solid var(--border); padding: 40px 24px; margin-top: 80px; background: var(--bg-soft); }
.footer-grid { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer h5 { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin-bottom: 12px; }
.footer a { display: block; padding: 4px 0; font-size: 13px; color: var(--muted); }
.footer a:hover { color: var(--text); }
.footer .copy { max-width: 1240px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ────── Misc ────── */
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-blue  { color: var(--blue); }
.text-yellow{ color: var(--yellow); }
.text-muted { color: var(--muted); }
.text-center { text-align: center; }
.flex { display: flex; gap: 12px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.flex-col { display: flex; flex-direction: column; gap: 12px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.gap-2 { gap: 8px; }
.w-100 { width: 100%; }

/* ────── Logo badges (broker logos) ────── */
.logo-badge { width: 42px; height: 42px; border-radius: 9px; background: var(--card-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; color: var(--accent); }

/* ────── Toggle switch ────── */
.toggle { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle input { display: none; }
.toggle .slider { position: absolute; inset: 0; background: var(--card-soft); border: 1px solid var(--border); border-radius: 24px; transition: .2s; cursor: pointer; }
.toggle .slider::before { content: ""; position: absolute; height: 18px; width: 18px; left: 2px; top: 2px; background: var(--muted); border-radius: 50%; transition: .2s; }
.toggle input:checked + .slider { background: var(--accent-soft); border-color: var(--accent); }
.toggle input:checked + .slider::before { transform: translateX(20px); background: var(--accent); }
