/* ============================================================
   SignalEdge AI — Design System
   Fintech-grade UI: precision, clarity, trust
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Design Tokens ── */
:root {
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-900: #1e3a8a;

  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --red-400:   #f87171;
  --red-500:   #ef4444;
  --red-600:   #dc2626;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;

  --font-sans: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06);
  --shadow-blue: 0 4px 24px rgba(37,99,235,.25);

  --transition: 200ms cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--slate-800);
  background: var(--slate-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.25; color: var(--slate-900); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); letter-spacing: -.02em; }
h3 { font-size: 1.25rem; letter-spacing: -.01em; }
h4 { font-size: 1.05rem; }
p  { color: var(--slate-600); }

.mono { font-family: var(--font-mono); }
.text-xs  { font-size: .75rem; }
.text-sm  { font-size: .875rem; }
.text-lg  { font-size: 1.125rem; }
.text-xl  { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  padding: .875rem 0;
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.logo { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.2rem; color: var(--slate-900); }
.logo-icon { width: 32px; height: 32px; background: var(--blue-600); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: white; font-size: .875rem; font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a { padding: .5rem .875rem; border-radius: var(--radius-sm); font-size: .9rem; font-weight: 500; color: var(--slate-600); transition: all var(--transition); }
.nav-links a:hover { background: var(--slate-100); color: var(--slate-900); }
.nav-links a.active { color: var(--blue-600); background: var(--blue-50); }
.nav-cta { display: flex; align-items: center; gap: .625rem; }

/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: .375rem; border-radius: var(--radius-sm); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--slate-700); border-radius: 2px; transition: all var(--transition); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .625rem 1.25rem; border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: .9rem; font-weight: 600;
  border: none; cursor: pointer; transition: all var(--transition);
  line-height: 1;
  text-decoration: none;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--blue-600); color: white; }
.btn-primary:hover { background: var(--blue-700); color: white; box-shadow: var(--shadow-blue); transform: translateY(-1px); }
.btn-secondary { background: white; color: var(--slate-700); border: 1.5px solid var(--slate-200); }
.btn-secondary:hover { background: var(--slate-50); color: var(--slate-900); border-color: var(--slate-300); }
.btn-success { background: var(--green-500); color: white; }
.btn-success:hover { background: var(--green-600); color: white; }
.btn-danger { background: var(--red-500); color: white; }
.btn-danger:hover { background: var(--red-600); color: white; }
.btn-ghost { background: transparent; color: var(--slate-600); }
.btn-ghost:hover { background: var(--slate-100); color: var(--slate-900); }
.btn-sm { padding: .375rem .875rem; font-size: .8rem; }
.btn-lg { padding: .875rem 2rem; font-size: 1rem; border-radius: var(--radius-md); }
.btn-block { width: 100%; }

/* ── Cards ── */
.card {
  background: white; border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; padding-bottom: 1rem; border-bottom: 1px solid var(--slate-100); }
.card-title { font-size: 1rem; font-weight: 600; color: var(--slate-800); display: flex; align-items: center; gap: .5rem; }

/* ── Signal Cards ── */
.signal-card {
  background: white; border-radius: var(--radius-lg); border: 1px solid var(--slate-200);
  padding: 1.25rem; transition: all var(--transition); cursor: default;
}
.signal-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.signal-badge {
  display: inline-flex; align-items: center; gap: .375rem;
  padding: .375rem .875rem; border-radius: 100px; font-size: .8rem; font-weight: 700;
  letter-spacing: .04em;
}
.signal-buy-ce { background: rgba(34,197,94,.12); color: var(--green-600); }
.signal-buy-pe { background: rgba(239,68,68,.12); color: var(--red-600); }
.signal-hold   { background: rgba(245,158,11,.12); color: #b45309; }
.confidence-bar { height: 4px; border-radius: 4px; background: var(--slate-100); overflow: hidden; margin-top: .5rem; }
.confidence-fill { height: 100%; border-radius: 4px; transition: width 1s ease; }
.conf-high { background: var(--green-500); }
.conf-mid  { background: var(--amber-500); }
.conf-low  { background: var(--red-400); }
.confidence-score { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 600; }

/* ── Stat Cards ── */
.stat-card { background: white; border-radius: var(--radius-lg); padding: 1.25rem 1.5rem; border: 1px solid var(--slate-200); }
.stat-label { font-size: .8rem; font-weight: 500; color: var(--slate-500); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .375rem; }
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--slate-900); font-family: var(--font-mono); line-height: 1; }
.stat-value.positive { color: var(--green-600); }
.stat-value.negative { color: var(--red-500); }
.stat-change { font-size: .8rem; margin-top: .375rem; }

/* ── Forms ── */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: .875rem; font-weight: 500; color: var(--slate-700); margin-bottom: .5rem; }
.form-control {
  width: 100%; padding: .625rem .875rem; border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm); font-family: var(--font-sans); font-size: .9rem;
  color: var(--slate-800); background: white;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--blue-400); box-shadow: 0 0 0 3px rgba(59,130,246,.12); }
.form-control:invalid:not(:placeholder-shown) { border-color: var(--red-400); }
select.form-control { cursor: pointer; }
.form-hint { font-size: .8rem; color: var(--slate-400); margin-top: .375rem; }
.form-error { font-size: .8rem; color: var(--red-500); margin-top: .375rem; }

/* Toggle switch */
.toggle-wrap { display: flex; align-items: center; gap: .75rem; }
.toggle { position: relative; width: 44px; height: 24px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: var(--slate-200); border-radius: 24px; cursor: pointer; transition: var(--transition); }
.toggle-slider::before { content: ''; position: absolute; left: 2px; top: 2px; width: 20px; height: 20px; background: white; border-radius: 50%; transition: var(--transition); box-shadow: var(--shadow-sm); }
.toggle input:checked + .toggle-slider { background: var(--blue-600); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--slate-200); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th { background: var(--slate-50); padding: .875rem 1rem; text-align: left; font-size: .75rem; font-weight: 600; color: var(--slate-500); text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--slate-200); white-space: nowrap; }
tbody td { padding: .875rem 1rem; border-bottom: 1px solid var(--slate-100); color: var(--slate-700); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--slate-50); }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; padding: .25rem .625rem; border-radius: 100px; font-size: .75rem; font-weight: 600; }
.badge-green  { background: rgba(34,197,94,.1);  color: var(--green-600); }
.badge-red    { background: rgba(239,68,68,.1);   color: var(--red-600); }
.badge-blue   { background: var(--blue-50); color: var(--blue-700); }
.badge-amber  { background: rgba(245,158,11,.1); color: #92400e; }
.badge-slate  { background: var(--slate-100); color: var(--slate-600); }

/* ── Alerts ── */
.alert { padding: .875rem 1.125rem; border-radius: var(--radius-md); font-size: .9rem; display: flex; align-items: flex-start; gap: .625rem; margin-bottom: 1rem; }
.alert-success { background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.2); color: var(--green-600); }
.alert-error   { background: rgba(239,68,68,.08); border: 1px solid rgba(239,68,68,.2); color: var(--red-600); }
.alert-info    { background: var(--blue-50); border: 1px solid var(--blue-100); color: var(--blue-700); }
.alert-warn    { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.2); color: #92400e; }

/* ── Sidebar Layout ── */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; min-width: 240px; background: white;
  border-right: 1px solid var(--slate-200);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
  overflow-y: auto;
}
.sidebar-logo { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--slate-100); }
.sidebar-nav { padding: 1rem; flex: 1; }
.sidebar-section { margin-bottom: 1.5rem; }
.sidebar-section-label { font-size: .7rem; font-weight: 700; color: var(--slate-400); text-transform: uppercase; letter-spacing: .1em; padding: 0 .625rem; margin-bottom: .5rem; }
.sidebar-link {
  display: flex; align-items: center; gap: .75rem;
  padding: .625rem .875rem; border-radius: var(--radius-sm);
  color: var(--slate-600); font-size: .9rem; font-weight: 500;
  transition: all var(--transition); text-decoration: none;
  margin-bottom: .125rem;
}
.sidebar-link:hover { background: var(--slate-100); color: var(--slate-900); }
.sidebar-link.active { background: var(--blue-50); color: var(--blue-700); }
.sidebar-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--slate-100); }
.main-content { flex: 1; min-width: 0; }
.page-header { background: white; border-bottom: 1px solid var(--slate-200); padding: 1.25rem 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.page-title { font-size: 1.125rem; font-weight: 600; color: var(--slate-900); }
.page-body { padding: 2rem; }

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

/* ── Hero Section ── */
.hero {
  background: linear-gradient(135deg, var(--slate-900) 0%, #0f2450 60%, var(--blue-900) 100%);
  padding: 6rem 0 5rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 60% 50%, rgba(37,99,235,.15) 0%, transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: .5rem; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); color: var(--blue-400); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: .375rem .875rem; border-radius: 100px; margin-bottom: 1.5rem; }
.hero h1 { color: white; margin-bottom: 1.25rem; }
.hero-highlight { color: var(--blue-400); }
.hero p { color: rgba(255,255,255,.65); font-size: 1.125rem; margin-bottom: 2rem; max-width: 500px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Live signal preview widget */
.signal-preview {
  background: rgba(255,255,255,.06); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-xl);
  padding: 1.75rem; max-width: 380px; margin-left: auto;
}
.sp-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.sp-title { color: rgba(255,255,255,.8); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.live-dot { display: flex; align-items: center; gap: .375rem; font-size: .75rem; color: var(--green-400); font-weight: 600; }
.live-dot::before { content: ''; width: 7px; height: 7px; background: var(--green-400); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(1.5); } }
.sp-symbol { font-size: 1.375rem; font-weight: 700; color: white; margin-bottom: .25rem; }
.sp-type { font-size: 2rem; font-weight: 800; color: var(--green-400); margin-bottom: .25rem; font-family: var(--font-mono); }
.sp-type.pe { color: var(--red-400); }
.sp-conf { color: rgba(255,255,255,.5); font-size: .85rem; margin-bottom: 1rem; }
.sp-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.sp-metric { background: rgba(255,255,255,.06); border-radius: var(--radius-sm); padding: .625rem; text-align: center; }
.sp-metric-label { font-size: .65rem; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .25rem; }
.sp-metric-value { font-size: .9rem; font-weight: 600; color: white; font-family: var(--font-mono); }

/* ── Features Grid ── */
.feature-icon { width: 48px; height: 48px; border-radius: var(--radius-md); background: var(--blue-50); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.feature-icon svg { color: var(--blue-600); }

/* ── Pricing ── */
.pricing-card { border: 1.5px solid var(--slate-200); border-radius: var(--radius-xl); padding: 2rem; background: white; position: relative; transition: all var(--transition); }
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card.featured { border-color: var(--blue-600); box-shadow: 0 0 0 1px var(--blue-600), var(--shadow-blue); }
.pricing-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--blue-600); color: white; font-size: .75rem; font-weight: 700; letter-spacing: .06em; padding: .25rem 1rem; border-radius: 100px; }
.price-amount { font-size: 2.5rem; font-weight: 800; color: var(--slate-900); font-family: var(--font-mono); line-height: 1; }
.price-period { font-size: .9rem; color: var(--slate-400); font-weight: 400; }
.price-features { list-style: none; margin: 1.5rem 0; }
.price-features li { display: flex; align-items: center; gap: .625rem; padding: .5rem 0; font-size: .9rem; color: var(--slate-700); border-bottom: 1px solid var(--slate-100); }
.price-features li:last-child { border-bottom: none; }
.price-check { color: var(--green-500); flex-shrink: 0; }
.price-x { color: var(--slate-300); flex-shrink: 0; }

/* ── Testimonials ── */
.testimonial-card { background: white; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); padding: 1.75rem; }
.testimonial-stars { color: var(--amber-400); font-size: 1rem; margin-bottom: .875rem; }
.testimonial-text { color: var(--slate-700); font-size: .9rem; line-height: 1.7; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: .75rem; }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--blue-600); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: .9rem; }
.testimonial-name { font-weight: 600; font-size: .9rem; color: var(--slate-800); }
.testimonial-role { font-size: .8rem; color: var(--slate-400); }

/* ── Footer ── */
footer { background: var(--slate-900); color: rgba(255,255,255,.6); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand h3 { color: white; margin-bottom: .75rem; }
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 { color: white; font-size: .875rem; font-weight: 600; margin-bottom: 1rem; }
.footer-col a { display: block; color: rgba(255,255,255,.5); font-size: .875rem; margin-bottom: .625rem; transition: color var(--transition); }
.footer-col a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 2rem; display: flex; align-items: center; justify-content: space-between; font-size: .8rem; }
.footer-disclaimer { font-size: .75rem; color: rgba(255,255,255,.35); margin-top: 1.5rem; line-height: 1.7; }

/* ── Auth Pages ── */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-left { background: linear-gradient(135deg, var(--slate-900), #0f2450); display: flex; align-items: center; justify-content: center; padding: 3rem; }
.auth-right { display: flex; align-items: center; justify-content: center; padding: 3rem; background: white; }
.auth-form-wrap { width: 100%; max-width: 420px; }
.auth-heading { margin-bottom: .5rem; }
.auth-sub { color: var(--slate-500); margin-bottom: 2rem; font-size: .95rem; }

/* ── Plan Restriction Banner ── */
.plan-banner { background: linear-gradient(135deg, #1e3a8a, #2563eb); color: white; border-radius: var(--radius-lg); padding: 1.25rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.plan-banner-text strong { display: block; font-weight: 700; }
.plan-banner-text span { font-size: .875rem; opacity: .8; }

/* ── Loading ── */
.spinner { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,.3); border-top-color: white; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Utilities ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .25rem; } .gap-2 { gap: .5rem; } .gap-3 { gap: .75rem; } .gap-4 { gap: 1rem; }
.mt-1 { margin-top: .25rem; } .mt-2 { margin-top: .5rem; } .mt-3 { margin-top: .75rem; } .mt-4 { margin-top: 1rem; } .mt-6 { margin-top: 1.5rem; } .mt-8 { margin-top: 2rem; }
.mb-1 { margin-bottom: .25rem; } .mb-2 { margin-bottom: .5rem; } .mb-3 { margin-bottom: .75rem; } .mb-4 { margin-bottom: 1rem; } .mb-6 { margin-bottom: 1.5rem; } .mb-8 { margin-bottom: 2rem; }
.p-4 { padding: 1rem; } .p-6 { padding: 1.5rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--slate-400); }
.text-success { color: var(--green-600); }
.text-danger { color: var(--red-500); }
.text-blue { color: var(--blue-600); }
.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.hidden { display: none; }
.w-full { width: 100%; }
.rounded-full { border-radius: 9999px; }
.divider { height: 1px; background: var(--slate-100); margin: 1.5rem 0; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .signal-preview { margin: 0 auto; }
  .hero p { margin: 0 auto 2rem; }
  .hero-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile-open .nav-links { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: white; padding: 1rem; border-bottom: 1px solid var(--slate-200); box-shadow: var(--shadow-md); }
  .nav-mobile-open .nav-cta { display: flex; padding: 1rem; border-top: 1px solid var(--slate-100); }
  .sidebar { display: none; }
  .sidebar.open { display: flex; position: fixed; left: 0; top: 0; bottom: 0; z-index: 200; }
  .page-body { padding: 1rem; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-left { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
  .section { padding: 3rem 0; }
  .pricing-card.featured { transform: none; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 4rem 0 3rem; }
  .page-header { padding: 1rem; flex-direction: column; align-items: flex-start; }
}

/* ── Scanner & Trending additions (auto-appended) ── */
.ticker-bar{background:var(--slate-900);color:rgba(255,255,255,.8);padding:.5rem 0;font-family:var(--font-mono);font-size:.8rem;overflow:hidden;white-space:nowrap;border-bottom:1px solid var(--slate-800);user-select:none}
.ticker-inner{display:inline-flex;gap:2.5rem;animation:ticker-scroll 50s linear infinite;padding:0 1.5rem}
.ticker-inner:hover{animation-play-state:paused}
@keyframes ticker-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker-item{display:inline-flex;align-items:center;gap:.5rem}
.ticker-up{color:#4ade80}.ticker-down{color:#f87171}
.scanner-card{background:white;border:1px solid var(--slate-200);border-radius:var(--radius-lg);transition:all 200ms;cursor:pointer;position:relative;overflow:hidden}
.scanner-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px}
.scanner-card.bullish{border-left:none}.scanner-card.bullish::before{background:var(--green-500)}
.scanner-card.bearish{border-left:none}.scanner-card.bearish::before{background:var(--red-500)}
.scanner-card.neutral::before{background:var(--slate-300)}
.scanner-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.trend-bar-wrap{height:3px;background:var(--slate-100);border-radius:3px;overflow:hidden;margin-top:.5rem}
.trend-bar{height:100%;border-radius:3px;transition:width .8s ease}
.trend-bar.bull{background:linear-gradient(90deg,var(--green-400),var(--green-600))}
.trend-bar.bear{background:linear-gradient(90deg,var(--red-400),var(--red-600))}
.signal-pill{display:inline-flex;align-items:center;gap:.25rem;padding:.2rem .625rem;border-radius:100px;font-size:.7rem;font-weight:700;letter-spacing:.04em;white-space:nowrap}
.pill-ce{background:rgba(34,197,94,.12);color:#15803d}.pill-pe{background:rgba(239,68,68,.12);color:#b91c1c}.pill-hold{background:var(--slate-100);color:var(--slate-500)}
.heat-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:var(--radius-md);padding:.875rem .5rem;cursor:pointer;transition:all 200ms;text-align:center;min-height:80px;border:1px solid transparent}
.heat-cell:hover{transform:scale(1.05);box-shadow:var(--shadow-md)}
.detail-panel{position:fixed;right:0;top:0;bottom:0;width:360px;background:white;border-left:1px solid var(--slate-200);box-shadow:-4px 0 24px rgba(0,0,0,.12);z-index:300;transform:translateX(100%);transition:transform 280ms cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;overflow-y:auto}
.detail-panel.open{transform:translateX(0)}
.panel-overlay{position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:299;display:none}
.panel-overlay.show{display:block}
.filter-btn{padding:.375rem .875rem;border-radius:100px;font-size:.8rem;font-weight:600;border:1.5px solid var(--slate-200);cursor:pointer;transition:all 180ms;background:white;color:var(--slate-700);line-height:1}
.filter-btn:hover{border-color:var(--blue-300);color:var(--blue-600);background:var(--blue-50)}
.filter-btn.active{background:var(--blue-600);color:white;border-color:var(--blue-600)}
.scan-status{display:flex;align-items:center;gap:.5rem;font-size:.8rem}
.scan-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.scan-dot.scanning{background:var(--amber-500);animation:pulse 1s infinite}
.scan-dot.idle{background:var(--green-500)}