/* ELCARO BRAIN — futuristic / neon / space design system
   OKLCH tokens derived from a single brand hue. dark / light / auto. */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300..700&family=JetBrains+Mono:wght@400;600;800&display=swap');

:root {
  --brand-hue: 58;             /* ELCARO orange */
  --accent-hue: 28;            /* ELCARO red */

  /* dark (default — Mastercard black, warm-neutral) */
  --bg:        oklch(14% 0.008 50);
  --bg-2:      oklch(18% 0.013 50);
  --surface:   oklch(21% 0.016 50 / 0.74);
  --surface-2: oklch(25% 0.018 50 / 0.86);
  --line:      oklch(42% 0.02 50 / 0.45);
  --text:      oklch(96% 0.012 65);
  --text-dim:  oklch(72% 0.025 55);
  --brand:     oklch(75% 0.165 var(--brand-hue));
  --brand-2:   oklch(68% 0.195 calc(var(--brand-hue) - 18));
  --accent:    oklch(63% 0.225 var(--accent-hue));
  --good:      oklch(78% 0.17 150);
  --bad:       oklch(63% 0.225 28);
  --glow:      oklch(72% 0.18 var(--brand-hue) / 0.55);
  --star:      oklch(92% 0.02 60 / 0.8);
  --shadow:    0 10px 40px -12px oklch(0% 0 0 / 0.8);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:        oklch(97% 0.01 70);
  --bg-2:      oklch(94% 0.018 65);
  --surface:   oklch(99% 0.006 70 / 0.86);
  --surface-2: oklch(96% 0.012 70 / 0.95);
  --line:      oklch(80% 0.03 60 / 0.7);
  --text:      oklch(22% 0.03 45);
  --text-dim:  oklch(48% 0.04 45);
  --brand:     oklch(60% 0.18 var(--brand-hue));
  --brand-2:   oklch(56% 0.205 calc(var(--brand-hue) - 18));
  --accent:    oklch(55% 0.225 var(--accent-hue));
  --good:      oklch(56% 0.16 150);
  --bad:       oklch(55% 0.225 28);
  --glow:      oklch(62% 0.18 var(--brand-hue) / 0.32);
  --star:      oklch(55% 0.06 55 / 0.35);
  --shadow:    0 10px 36px -14px oklch(40% 0.06 50 / 0.35);
  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .5s ease, color .5s ease;
}

/* ── space backdrop: stars + nebula glow + grain ── */
.space-bg { position: fixed; inset: 0; z-index: -2; overflow: hidden; }
.space-bg::before {
  content: ""; position: absolute; inset: -20%;
  background:
    radial-gradient(40% 35% at 18% 12%, var(--glow), transparent 70%),
    radial-gradient(35% 30% at 85% 80%, oklch(70% 0.18 var(--accent-hue) / 0.30), transparent 70%);
  filter: blur(40px);
  animation: drift 22s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translate3d(-2%, -1%, 0) scale(1); } to { transform: translate3d(3%, 2%, 0) scale(1.08); } }
.stars { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* grain overlay */
.grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ── app shell ── */
.app { max-width: 460px; margin: 0 auto; min-height: 100%; padding: 18px 18px 110px; position: relative; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 6px 2px 18px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { width: 38px; height: 38px; display: block; filter: drop-shadow(0 0 10px var(--glow)); }
.logo-svg { width: 38px; height: 38px; overflow: visible; }
.logo-svg .lo-orbit { fill: none; stroke: var(--brand); stroke-width: 1.4; opacity: .35; stroke-dasharray: 4 6; transform-origin: 22px 22px; animation: spin 14s linear infinite; }
.logo-svg .lo-sat { fill: var(--accent); transform-origin: 22px 22px; animation: spin 4s linear infinite; }
.logo-svg .lo-core { fill: none; stroke: var(--brand); stroke-width: 1.8; }
.logo-svg .lo-net { fill: none; stroke: var(--brand-2); stroke-width: 1.1; opacity: .6; }
.logo-svg .lo-nd { fill: var(--brand); animation: ndpulse 2.4s ease-in-out infinite; }
.logo-svg .lo-nd2 { fill: var(--accent); animation-delay: .8s; }
.logo-svg .lo-nd3 { fill: var(--brand-2); animation-delay: 1.6s; }
@keyframes ndpulse { 0%,100% { opacity: .5; r: 1.5px; } 50% { opacity: 1; r: 2.1px; } }
.brand h1 { font-size: 15px; font-weight: 700; letter-spacing: .14em; }
.brand h1 span { color: var(--brand); }

/* inline custom icons */
.ic { width: 1.15em; height: 1.15em; display: inline-block; vertical-align: -0.2em; flex: 0 0 auto; }
.btn .ic { width: 20px; height: 20px; }
.theme-toggle { display: flex; gap: 2px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.theme-toggle button { background: none; border: 0; color: var(--text-dim); width: 32px; height: 28px; border-radius: 999px; cursor: pointer; display: grid; place-items: center; transition: .2s; }
.theme-toggle button .ic { width: 16px; height: 16px; }
.theme-toggle button.on { background: var(--brand); color: oklch(15% 0.03 265); box-shadow: 0 0 12px var(--glow); }
.btn-primary .ic { color: oklch(14% 0.03 265); }
.btn-accent .ic { color: oklch(14% 0.03 320); }

/* ── cards ── */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 18px; margin-bottom: 14px; backdrop-filter: blur(14px); box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  animation: rise .6s cubic-bezier(.2,.8,.2,1) both;
}
.card.delay1 { animation-delay: .08s; } .card.delay2 { animation-delay: .16s; } .card.delay3 { animation-delay: .24s; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* hero status card */
.hero { text-align: center; padding: 26px 18px; }
.hero .orb {
  width: 96px; height: 96px; margin: 4px auto 16px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--brand-2), oklch(26% 0.05 40) 70%);
  box-shadow: 0 0 40px var(--glow), inset 0 0 30px oklch(0% 0 0 / .45);
  position: relative; animation: pulse 3.5s ease-in-out infinite;
}
.hero .orb::before, .hero .orb::after {
  content: ""; position: absolute; inset: -8px; border-radius: 50%;
  border: 1px solid var(--brand); opacity: .35; animation: ring 3.5s ease-out infinite;
}
.hero .orb::after { animation-delay: 1.7s; }
@keyframes ring { 0% { transform: scale(.85); opacity: .5; } 100% { transform: scale(1.5); opacity: 0; } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* orbiting nodes around the hero orb */
.orb-wrap { position: relative; width: 160px; height: 140px; margin: 0 auto 10px; display: grid; place-items: center; }
.orb-wrap.sm { width: 150px; height: 120px; }
.orb-wrap .orb { margin: 0; }
.orb-orbit { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.oo-ring { fill: none; stroke: var(--brand); stroke-width: 1; opacity: .22; }
.oo-ring2 { stroke: var(--accent); opacity: .18; }
.oo-dot { fill: var(--brand); filter: drop-shadow(0 0 5px var(--glow)); }
.oo-dot2 { fill: var(--accent); }
.orb-green { background: radial-gradient(circle at 35% 30%, oklch(68% .22 35), oklch(26% .06 40) 70%) !important;
  box-shadow: 0 0 40px oklch(63% .225 28 / .55), inset 0 0 30px oklch(0% 0 0 / .45) !important; }
.orb-green::before, .orb-green::after { border-color: var(--accent) !important; }

.hero h2 { font-size: 22px; font-weight: 700; letter-spacing: .02em; }
.hero p { color: var(--text-dim); font-size: 13px; margin-top: 6px; }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); }
.pill.active { color: var(--good); border-color: var(--good); box-shadow: 0 0 14px oklch(78% 0.17 150 / .3); }
.pill.inactive { color: var(--text-dim); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: pulse 2s infinite; }

.section-title { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); margin: 4px 2px 10px; }

/* ── buttons ── */
.btn {
  width: 100%; border: 0; border-radius: 16px; padding: 16px; font-family: inherit; font-size: 15px; font-weight: 700;
  letter-spacing: .03em; cursor: pointer; position: relative; overflow: hidden; transition: transform .12s, box-shadow .25s;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn:active { transform: scale(.975); }
.btn-primary { color: oklch(14% 0.03 265); background: linear-gradient(120deg, var(--brand), var(--brand-2)); box-shadow: 0 0 26px var(--glow); }
.btn-primary::after { content:""; position:absolute; inset:0; background: linear-gradient(120deg, transparent, oklch(100% 0 0 / .35), transparent); transform: translateX(-120%); }
.btn-primary:hover::after { animation: sheen 1s ease; }
@keyframes sheen { to { transform: translateX(120%); } }
.btn-ghost { color: var(--text); background: var(--surface-2); border: 1px solid var(--line); }
.btn-accent { color: oklch(16% 0.02 50); background: linear-gradient(120deg, var(--accent), var(--brand-2)); box-shadow: 0 0 26px oklch(63% 0.225 28 / .45); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn .spinner { width: 16px; height: 16px; border: 2px solid oklch(0% 0 0 / .25); border-top-color: currentColor; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── inputs ── */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--text-dim); margin: 0 2px 6px; letter-spacing: .03em; }
.field input, .field select {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px;
  color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 13px; transition: border .2s, box-shadow .2s;
}
.field input:focus, .field select:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px var(--glow); }

/* exchange chooser */
.exchanges { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; margin-bottom: 14px; }
.ex { padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2); text-align: center; font-weight: 600; font-size: 13px; cursor: pointer; transition: .18s; }
.ex.on { border-color: var(--brand); color: var(--brand); box-shadow: 0 0 16px var(--glow); }

/* ── pricing ── */
.plans { display: grid; gap: 10px; }
.plan { border: 1px solid var(--line); border-radius: 16px; padding: 16px; cursor: pointer; transition: .2s; position: relative; }
.plan.on { border-color: var(--brand); box-shadow: 0 0 20px var(--glow); }
.plan .badge { position: absolute; top: -9px; right: 14px; font-size: 10px; font-weight: 700; letter-spacing: .08em; padding: 3px 9px; border-radius: 999px; background: linear-gradient(120deg,var(--accent),var(--brand)); color: oklch(16% .02 50); }
.plan .price { font-family: 'JetBrains Mono', monospace; font-size: 28px; font-weight: 800; font-variant-numeric: tabular-nums; }
.plan .price small { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.plan .sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

/* ── results / verdict ── */
.verdict { white-space: pre-wrap; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; line-height: 1.65; color: var(--text); font-variant-numeric: tabular-nums; }
.verdict-head { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.tag { font-size: 12px; font-weight: 700; letter-spacing: .06em; padding: 5px 12px; border-radius: 999px; }
.tag.long { color: var(--good); border: 1px solid var(--good); }
.tag.short { color: var(--bad); border: 1px solid var(--bad); }
.tag.flat { color: var(--text-dim); border: 1px solid var(--line); }

/* loading scan animation */
.scanning { text-align: center; padding: 30px 16px; }
.scanning .beam { width: 70%; height: 3px; margin: 18px auto; border-radius: 3px; background: linear-gradient(90deg, transparent, var(--brand), transparent); background-size: 50% 100%; animation: beam 1.2s linear infinite; }
@keyframes beam { from { background-position: -100% 0; } to { background-position: 200% 0; } }

/* ── bottom nav ── */
.nav { position: fixed; bottom: 0; left: 0; right: 0; max-width: 460px; margin: 0 auto; display: flex; justify-content: space-around; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: var(--surface-2); border-top: 1px solid var(--line); backdrop-filter: blur(18px); z-index: 10; }
.nav button { background: none; border: 0; color: var(--text-dim); display: grid; place-items: center; gap: 3px; font-size: 10px; letter-spacing: .04em; cursor: pointer; padding: 4px 14px; border-radius: 12px; transition: .2s; }
.nav button.on { color: var(--brand); }
.nav .navic { display: grid; place-items: center; transition: .25s; }
.nav .navic svg { width: 22px; height: 22px; stroke-width: 1.6; }
.nav button.on .navic { filter: drop-shadow(0 0 8px var(--glow)); animation: navfloat 2.6s ease-in-out infinite; }
@keyframes navfloat { 0%,100% { transform: translateY(-1px); } 50% { transform: translateY(-4px); } }

/* screens */
.screen { display: none; } .screen.on { display: block; }

.muted { color: var(--text-dim); font-size: 12.5px; line-height: 1.6; }
.center { text-align: center; }
.mt { margin-top: 12px; } .mb { margin-bottom: 12px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.row:last-child { border: 0; }
.row .k { color: var(--text-dim); font-size: 12.5px; } .row .v { font-family: 'JetBrains Mono', monospace; font-size: 13px; font-variant-numeric: tabular-nums; }

/* ── scan result: summary + signal cards + projection charts ── */
.scan-summary { font-size: 14px; font-weight: 600; letter-spacing: .01em; margin: 2px 4px 14px; display: flex; align-items: center; gap: 8px; }
.scan-summary .sum-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 10px var(--glow); flex: 0 0 auto; animation: pulse 2s infinite; }
.scan-summary .demo { font-size: 10px; color: var(--text-dim); border: 1px solid var(--line); border-radius: 999px; padding: 1px 7px; }

.sig { padding: 14px 16px; border-left: 3px solid var(--line); }
.sig.long  { border-left-color: var(--good); }
.sig.short { border-left-color: var(--bad); }
.sig.wait  { border-left-color: var(--text-dim); }
.sig-head { display: flex; align-items: center; gap: 9px; }
.sig-asset { font-size: 18px; font-weight: 700; letter-spacing: .02em; }
.sig-head .tag { font-size: 11px; padding: 3px 9px; }
.tag.wait { color: var(--text-dim); border: 1px solid var(--line); }
.sig-conf { font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 700; color: var(--brand); font-variant-numeric: tabular-nums; }
.sig-when { margin-left: auto; font-size: 11px; color: var(--text-dim); text-align: right; }
.sig-date { display: inline-flex; align-items: center; gap: 7px; margin-top: 10px; padding: 6px 12px; border-radius: 999px;
  background: oklch(75% 0.165 var(--brand-hue) / 0.12); border: 1px solid oklch(75% 0.165 var(--brand-hue) / 0.35);
  font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 600; color: var(--brand); font-variant-numeric: tabular-nums; }
.sig-date .ic { width: 15px; height: 15px; }

.chart { width: 100%; height: auto; display: block; margin: 8px 0 4px; overflow: visible; }
.ch-band { fill: var(--brand); opacity: 0; animation: chFade .6s .1s ease forwards; }
.ch-tp, .ch-en, .ch-sl { transform-origin: left center; transform: scaleX(0); opacity: 0; animation: chLine .55s ease forwards; }
.ch-tp { stroke: var(--good); stroke-width: 1.2; stroke-dasharray: 3 4; animation-delay: .25s; }
.ch-en { stroke: var(--brand); stroke-width: 1.5; animation-delay: .12s; }
.ch-sl { stroke: var(--bad); stroke-width: 1.2; stroke-dasharray: 3 4; animation-delay: .38s; }
@keyframes chLine { to { transform: scaleX(1); opacity: .85; } }
@keyframes chFade { to { opacity: .07; } }
.ch-lab { font: 800 9px 'JetBrains Mono', monospace; fill: var(--text-dim); font-variant-numeric: tabular-nums; opacity: 0; animation: chFade2 .5s .5s ease forwards; }
@keyframes chFade2 { to { opacity: 1; } }
.ch-lab-tp { fill: var(--good); } .ch-lab-en { fill: var(--brand); } .ch-lab-sl { fill: var(--bad); }
.ch-path { fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 520; stroke-dashoffset: 520; animation: chDraw 1.2s .35s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes chDraw { to { stroke-dashoffset: 0; } }
.ch-path-up { stroke: var(--good); filter: drop-shadow(0 0 5px oklch(78% .17 150 / .5)); }
.ch-path-dn { stroke: var(--bad); filter: drop-shadow(0 0 5px var(--glow)); }
.ch-path-wait { stroke: var(--text-dim); opacity: .55; stroke-dasharray: 5 5; animation: none; stroke-dashoffset: 0; }
.ch-dot-now { fill: var(--text-dim); }
.ch-dot-tgt { fill: var(--good); filter: drop-shadow(0 0 6px oklch(78% .17 150 / .7)); transform-box: fill-box; transform-origin: center; transform: scale(0); animation: chPop .4s 1.35s cubic-bezier(.2,1.4,.4,1) forwards; }
@keyframes chPop { to { transform: scale(1); } }
/* σ-DCA ladder */
.ch-dca { transform-box: fill-box; transform-origin: left center; opacity: 0; transform: translateX(-6px); animation: chDca .45s ease forwards; }
@keyframes chDca { to { opacity: 1; transform: none; } }
.ch-dca-l { stroke: var(--accent); stroke-width: 1.3; stroke-dasharray: 2 3; opacity: .8; }
.ch-dca-d { fill: var(--accent); }
.ch-dca-t { font: 800 8px 'JetBrains Mono', monospace; fill: var(--accent); }

.sig-levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; }
.lvl { background: var(--bg-2); border-radius: 10px; padding: 8px 6px; text-align: center; border: 1px solid var(--line); }
.lvl span { display: block; font-size: 9px; letter-spacing: .1em; color: var(--text-dim); margin-bottom: 3px; }
.lvl b { font-family: 'JetBrains Mono', monospace; font-size: 13px; font-variant-numeric: tabular-nums; }
.lvl.en b { color: var(--brand); } .lvl.sl b { color: var(--bad); } .lvl.tp b { color: var(--good); }
.sig-note { margin-top: 10px; font-size: 12.5px; color: var(--text-dim); line-height: 1.5; }

#fullToggle.open { color: var(--brand); border-color: var(--brand); }
.full-analysis { font-size: 13px; line-height: 1.65; color: var(--text-dim); animation: rise .4s ease both; }
.full-analysis h4 { color: var(--text); font-size: 14px; margin: 10px 0 4px; letter-spacing: .01em; }
.full-analysis b { color: var(--text); }
.full-analysis code { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--brand); }

/* animated alert-asset reveal */
.alert-assets { max-height: 0; opacity: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.2,.8,.2,1), opacity .3s ease; }
.alert-assets.open { max-height: 140px; opacity: 1; }

/* toggle switch */
.switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track { position: absolute; inset: 0; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; transition: .25s; cursor: pointer; }
.switch .track::before { content: ""; position: absolute; height: 18px; width: 18px; left: 3px; top: 3px; background: var(--text-dim); border-radius: 50%; transition: .25s; }
.switch input:checked + .track { background: linear-gradient(120deg, var(--brand), var(--accent)); border-color: transparent; box-shadow: 0 0 14px var(--glow); }
.switch input:checked + .track::before { transform: translateX(20px); background: oklch(98% 0 0); }

.toast { position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--surface-2); border: 1px solid var(--brand); color: var(--text); padding: 11px 18px; border-radius: 999px; font-size: 13px; box-shadow: 0 0 24px var(--glow); opacity: 0; pointer-events: none; transition: .3s; z-index: 50; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }