/* Polymarket-inspired layout for a portfolio arb-scanner demo. */

:root {
  --bg:         #f7f8fa;
  --surface:    #ffffff;
  --surface-2: #f1f3f6;
  --border:     #e5e7eb;
  --border-2:   #d1d5db;
  --text:       #0f172a;
  --text-2:     #4b5563;
  --text-3:     #6b7280;
  --accent:     #2d9cdb;
  --accent-dark:#1e7fb8;
  --pos:        #16a34a;
  --pos-soft:   #dcfce7;
  --neg:        #dc2626;
  --neg-soft:   #fee2e2;
  --warn:       #d97706;
  --warn-soft:  #fef3c7;
  --radius:     10px;
  --radius-lg:  14px;
  --shadow:     0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-lg:  0 4px 10px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
  --mono:       ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans:       "Inter", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- landing-page shared styles ---------- */
.container { max-width: 1120px; margin: 0 auto; padding: 2rem 1.5rem; }
header.hero { padding: 4rem 1.5rem 3rem; background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%); border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.hero h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 0.5rem; }
.hero p.tagline { font-size: 1.08rem; color: var(--text-2); max-width: 720px; margin: 0 0 1.5rem; }
.btn-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1.25rem; }
.btn { display: inline-block; padding: 0.6rem 1.15rem; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-weight: 500; font-size: 0.95rem; transition: all 0.12s ease; }
.btn:hover { text-decoration: none; border-color: var(--border-2); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.badges { display: flex; gap: 0.4rem; margin-top: 0.8rem; flex-wrap: wrap; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 4px; background: var(--surface); border: 1px solid var(--border); color: var(--text-2); font-size: 0.78rem; font-family: var(--mono); }
.badge.pos { color: var(--pos); border-color: rgba(22, 163, 74, 0.3); background: var(--pos-soft); }
section { padding: 3rem 1.5rem; border-bottom: 1px solid var(--border); background: var(--bg); }
section:nth-of-type(even) { background: var(--surface); }
section h2 { font-size: 1.4rem; font-weight: 600; margin: 0 0 1rem; letter-spacing: -0.01em; }
section h2 .rule { display: inline-block; width: 2rem; height: 2px; background: var(--accent); vertical-align: middle; margin-right: 0.6rem; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 780px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.35rem; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 0.5rem; font-size: 1rem; font-weight: 600; }
.card p { margin: 0; color: var(--text-2); font-size: 0.94rem; }
pre, code { font-family: var(--mono); }
code { background: var(--surface-2); padding: 2px 6px; border-radius: 4px; font-size: 0.88em; }
pre { background: var(--surface); border: 1px solid var(--border); padding: 0.95rem 1.1rem; border-radius: var(--radius); overflow-x: auto; font-size: 0.86rem; box-shadow: var(--shadow); }
pre code { background: transparent; padding: 0; }
.arch-diagram { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; font-family: var(--mono); font-size: 0.78rem; color: var(--text-2); white-space: pre; overflow-x: auto; box-shadow: var(--shadow); }
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.9rem; margin-top: 1.25rem; }
.metric { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; text-align: center; box-shadow: var(--shadow); }
.metric .val { font-size: 1.8rem; font-weight: 700; color: var(--accent); font-family: var(--mono); }
.metric .label { display: block; font-size: 0.78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.2rem; font-weight: 500; }
footer { padding: 2.5rem 1.5rem; text-align: center; color: var(--text-3); font-size: 0.85rem; background: var(--bg); }
footer a { color: var(--text-2); }

/* ====================  DEMO PAGE  ==================== */

.demo-shell { min-height: 100vh; background: var(--bg); }

/* Top nav */
.demo-nav {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 0.9rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.demo-nav .brand { display: flex; align-items: center; gap: 0.7rem; font-size: 0.95rem; }
.demo-nav .brand strong { font-weight: 600; }
.demo-nav .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); }
.demo-nav .dot.on   { background: var(--pos); animation: pulse 2s infinite; }
.demo-nav .dot.pend { background: var(--warn); }
.demo-nav .dot.bad  { background: var(--neg); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.55); }
  50%      { box-shadow: 0 0 0 6px rgba(22, 163, 74, 0);    }
}
.demo-nav .status-text { color: var(--text-2); font-size: 0.88rem; }
.demo-nav .nav-links { display: flex; gap: 1rem; align-items: center; }
.demo-nav .nav-links a { color: var(--text-2); font-size: 0.88rem; font-weight: 500; }
.demo-nav .nav-links a:hover { color: var(--accent); }

/* Hero question */
.hero-q {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
}
.hero-q-inner { max-width: 1120px; margin: 0 auto; text-align: center; }
.q-line {
  font-size: 1.6rem; font-weight: 500; color: var(--text-2);
  max-width: 800px; margin: 0 auto 0.9rem;
  letter-spacing: -0.01em;
}
.a-line {
  font-size: 2.4rem; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.15; color: var(--text); margin-bottom: 0.6rem;
  min-height: 3rem; display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  flex-wrap: wrap;
}
@media (min-width: 700px) { .a-line { font-size: 2.8rem; } }
.a-line .verdict { font-size: 1em; }
.a-line .verdict.no  { color: var(--text-2); }
.a-line .verdict.yes { color: var(--pos); }
.a-line .verdict.near { color: var(--warn); }
.a-line .detail { font-weight: 600; font-size: 0.9em; color: var(--text-2); }
.a-line .cost-chip {
  font-family: var(--mono); font-weight: 700;
  padding: 0.15em 0.5em; border-radius: 8px; background: var(--surface);
  border: 1px solid var(--border); font-size: 0.85em;
}
.a-line .cost-chip.no  { color: var(--text); }
.a-line .cost-chip.yes { color: var(--pos); border-color: rgba(22,163,74,0.3); background: var(--pos-soft); }
.a-line .cost-chip.near{ color: var(--warn); border-color: rgba(217,119,6,0.3); background: var(--warn-soft); }
.a-sub {
  color: var(--text-3); font-size: 0.9rem;
  max-width: 600px; margin: 0 auto;
}
.a-sub strong { color: var(--text); }
.spinner {
  width: 1em; height: 1em;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.muted { color: var(--text-3); }

/* Workbench layout */
.workbench {
  max-width: 1120px; margin: 0 auto; padding: 1.5rem;
  display: grid; gap: 1.25rem; grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .workbench { grid-template-columns: 310px 1fr; }
}

/* Left column: event cards */
.column-head h3 {
  font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-3); margin: 0 0 0.3rem; font-weight: 600;
}
.column-head p { margin: 0 0 0.8rem; color: var(--text-3); font-size: 0.82rem; }
.event-cards { display: flex; flex-direction: column; gap: 0.55rem; }
.event-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 0.9rem;
  cursor: pointer; transition: all 0.1s ease;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.event-card:hover { border-color: var(--accent); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.event-card.active { border-color: var(--accent); background: #f0f9ff; box-shadow: var(--shadow-lg); }
.event-card .ec-title { font-weight: 500; font-size: 0.92rem; color: var(--text); }
.event-card .ec-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem;
}
.event-card .ec-count { color: var(--text-3); }
.event-card .ec-cost {
  font-family: var(--mono); font-weight: 600;
  padding: 2px 8px; border-radius: 4px;
  background: var(--surface-2); color: var(--text-3);
}
.event-card .ec-cost.no  { background: var(--surface-2); color: var(--text-3); }
.event-card .ec-cost.near { background: var(--warn-soft); color: var(--warn); }
.event-card .ec-cost.yes  { background: var(--pos-soft); color: var(--pos); font-weight: 700; }
.event-card.skeleton { cursor: default; color: var(--text-3); font-size: 0.88rem; text-align: center; padding: 1.5rem 0.9rem; }

/* Right column: focused event + calculator */
.focused-event {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow);
}
.focused-head { margin-bottom: 1.2rem; }
.focused-title-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.focused-event h2 {
  font-size: 1.35rem; font-weight: 700; margin: 0 0 0.25rem;
  letter-spacing: -0.01em; color: var(--text);
}
.focused-event .subtitle { color: var(--text-3); font-size: 0.85rem; }
.why-btn {
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); font-size: 0.8rem; font-weight: 500;
  padding: 0.3rem 0.7rem; border-radius: 999px; cursor: pointer;
  transition: all 0.1s ease;
}
.why-btn:hover { background: var(--surface); border-color: var(--accent); color: var(--accent); }

/* The calculator card — the star */
.calc-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.calc-row.calc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; gap: 1rem; }
.calc-label { font-size: 0.88rem; color: var(--text-2); font-weight: 500; }
.status {
  font-size: 0.75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.04em; flex-shrink: 0;
}
.status.arb  { background: var(--pos-soft); color: var(--pos); }
.status.near { background: var(--warn-soft); color: var(--warn); }
.status.fair { background: var(--surface); color: var(--text-3); border: 1px solid var(--border); }

.calc-grid {
  display: grid; grid-template-columns: 1fr; gap: 0.5rem;
  margin-bottom: 1rem;
}
@media (min-width: 620px) { .calc-grid { grid-template-columns: 1fr 1fr 1fr; gap: 0.75rem; } }
.calc-cell {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.8rem 1rem;
}
.calc-cell.highlight { border-color: var(--border-2); }
.calc-cell .cell-label { font-size: 0.75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 500; }
.calc-cell .cell-val { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; margin-top: 0.15rem; }
.calc-cell .cell-val.is-fixed { color: var(--text-2); }
.calc-cell .cell-val.pos  { color: var(--pos); }
.calc-cell .cell-val.neg  { color: var(--neg); }
.calc-cell .cell-val.near { color: var(--warn); }
.calc-cell .cell-sub { font-size: 0.78rem; color: var(--text-3); margin-top: 0.1rem; }

.scale-row { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.scale-lbl { font-size: 0.85rem; color: var(--text-2); }
.scale-buttons { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.scale-buttons button {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-2); font-size: 0.82rem; font-weight: 500;
  padding: 0.35rem 0.75rem; border-radius: 6px; cursor: pointer;
  transition: all 0.1s ease;
}
.scale-buttons button:hover { border-color: var(--border-2); color: var(--text); }
.scale-buttons button.active { background: var(--text); border-color: var(--text); color: white; }
.scale-out {
  font-size: 0.86rem; color: var(--text-2); padding: 0.6rem 0.9rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 0.9rem; min-height: 1.5em;
  line-height: 1.55;
}
.scale-out strong { color: var(--text); font-family: var(--mono); }
.scale-out .gain { color: var(--pos); font-weight: 600; font-family: var(--mono); }
.scale-out .loss { color: var(--neg); font-weight: 600; font-family: var(--mono); }

/* Threshold bar */
.threshold-bar {
  position: relative; height: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; overflow: hidden; margin-top: 0.3rem; margin-bottom: 0.4rem;
}
.threshold-bar .fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--accent); transition: width 0.35s ease, background 0.35s ease;
}
.threshold-bar .fill.arb  { background: var(--pos); }
.threshold-bar .fill.near { background: var(--warn); }
.threshold-bar .marker-dollar {
  position: absolute; top: -3px; bottom: -3px; width: 2px;
  background: var(--text); left: 50%;
}
.threshold-bar-labels {
  display: flex; justify-content: space-between; font-size: 0.72rem;
  color: var(--text-3); position: relative;
}
.threshold-bar-labels .center {
  position: absolute; left: 50%; transform: translateX(-50%); font-weight: 600; color: var(--text-2);
}

/* The outcomes list */
.section-head { margin: 0 0 0.8rem; }
.section-head h3 { font-size: 1rem; font-weight: 600; margin: 0 0 0.25rem; color: var(--text); }
.section-head p { color: var(--text-3); font-size: 0.86rem; margin: 0; max-width: 640px; }

.outcome-list { display: flex; flex-direction: column; gap: 0.45rem; }
.outcome-row {
  display: grid; grid-template-columns: 1fr auto; gap: 0.75rem;
  align-items: center; padding: 0.8rem 1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.outcome-row.highlighted { background: var(--pos-soft); border-color: rgba(22,163,74,0.35); }
.outcome-row.empty, .outcome-row.skeleton { opacity: 0.7; color: var(--text-3); }
.outcome-row.skeleton { justify-content: center; text-align: center; }
.outcome-row .left { min-width: 0; }
.outcome-row .outcome-name {
  font-size: 0.94rem; font-weight: 500; color: var(--text);
  margin-bottom: 0.3rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.outcome-row .prob-bar {
  height: 5px; background: var(--surface-2); border-radius: 999px; overflow: hidden; width: 100%;
}
.outcome-row .prob-bar .prob-fill {
  height: 100%; background: var(--accent); transition: width 0.35s ease;
}
.outcome-row .right { display: flex; flex-direction: column; align-items: flex-end; min-width: 120px; }
.outcome-row .pct {
  font-family: var(--mono); font-size: 1.2rem; font-weight: 700; color: var(--text);
  letter-spacing: -0.01em;
}
.outcome-row .price-size { font-family: var(--mono); font-size: 0.76rem; color: var(--text-3); margin-top: 2px; }

/* FAQ */
.faq {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 3rem 1.5rem; margin-top: 1.5rem;
}
.faq-inner { max-width: 780px; margin: 0 auto; }
.faq-inner h2 { font-size: 1.3rem; font-weight: 700; margin: 0 0 1.2rem; letter-spacing: -0.01em; }
.faq-item {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.25rem 1.1rem;
  margin-bottom: 0.6rem; transition: border-color 0.12s ease;
}
.faq-item[open] { border-color: var(--accent); background: var(--surface); }
.faq-item summary {
  cursor: pointer; padding: 0.85rem 0; font-weight: 600; font-size: 0.98rem;
  list-style: none; position: relative; padding-left: 1.6rem;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "+"; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.3rem; color: var(--text-3); font-weight: 400; width: 1.2rem; text-align: center;
}
.faq-item[open] summary::before { content: "−"; color: var(--accent); }
.faq-item p {
  color: var(--text-2); font-size: 0.93rem; line-height: 1.6;
  margin: 0 0 0.85rem; padding-bottom: 0.2rem;
}
.faq-item p:last-child { margin-bottom: 0.6rem; }
.faq-item p strong { color: var(--text); }

/* Live stats footer */
.live-stats {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 1.5rem;
}
.live-inner {
  max-width: 1120px; margin: 0 auto;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.stat { text-align: center; }
.stat-num { font-family: var(--mono); font-size: 1.5rem; font-weight: 700; color: var(--text); }
.stat-lbl { font-size: 0.75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.15rem; }
.live-caption {
  max-width: 600px; margin: 1rem auto 0; text-align: center;
  font-size: 0.82rem; color: var(--text-3);
}

.site-footer {
  text-align: center; padding: 1.5rem; font-size: 0.85rem;
  color: var(--text-3); background: var(--bg);
}
.site-footer a { color: var(--text-2); }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.45); backdrop-filter: blur(2px); cursor: pointer; }
.modal-card {
  position: relative; background: var(--surface); border-radius: var(--radius-lg);
  max-width: 540px; width: 100%; padding: 1.8rem 2rem 1.6rem;
  box-shadow: 0 20px 50px rgba(15,23,42,0.25);
  max-height: 80vh; overflow-y: auto;
}
.modal-card h3 { margin: 0 0 0.5rem; font-size: 1.2rem; }
.modal-card p { color: var(--text-2); font-size: 0.95rem; line-height: 1.6; }
.modal-x {
  position: absolute; top: 0.8rem; right: 0.8rem;
  background: transparent; border: 0; font-size: 1.6rem; color: var(--text-3);
  cursor: pointer; line-height: 1; padding: 0.2rem 0.5rem; border-radius: 6px;
}
.modal-x:hover { background: var(--surface-2); color: var(--text); }