/* =============================================================
   ArsomTrader — dark, verdict-first, Thai-readable
   ============================================================= */

:root {
  --bg: #0b1220;
  --bg2: #0f172a;
  --card: #131e33;
  --card2: #182338;
  --line: #24314d;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --dim: #64748b;
  --green: #22c55e;
  --lime: #84cc16;
  --amber: #f59e0b;
  --yellow: #eab308;
  --red: #ef4444;
  --blue: #60a5fa;
  --cyan: #38bdf8;
  --purple: #a855f7;
  --radius: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans Thai", "IBM Plex Sans Thai", -apple-system,
    "Segoe UI", Roboto, sans-serif;
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { line-height: 1.35; }

.muted { color: var(--muted); }
.dim { color: var(--dim); }
.small { font-size: 0.85rem; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.card h2, .card h3 { margin-top: 0; }

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 26px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-sub { color: var(--muted); font-size: .87rem; margin: -6px 0 12px; }

/* ---------- App navigation ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1180px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.brand {
  font-weight: 800; font-size: 1.12rem; color: var(--text);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand .logo-dot {
  width: 12px; height: 12px; border-radius: 3px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  display: inline-block;
}
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: var(--muted); padding: 6px 12px; border-radius: 8px;
  font-size: .92rem; font-weight: 500;
}
.nav a:hover { color: var(--text); background: var(--card2); text-decoration: none; }
.nav a.active { color: var(--text); background: var(--card2); }
.topbar .spacer { flex: 1; }
.userbox { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: var(--muted); }

.main { padding: 22px 0 60px; }

/* ---------- Stance hero ---------- */
.stance {
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-left-width: 6px;
  background: linear-gradient(120deg, var(--card) 0%, var(--bg2) 100%);
}
.stance .kicker {
  font-size: .75rem; letter-spacing: 2px; color: var(--dim);
  text-transform: uppercase; margin-bottom: 4px;
}
.stance .headline { font-size: 1.5rem; font-weight: 800; margin: 0 0 4px; }
.stance .detail { color: var(--muted); }
.stance.positive { border-left-color: var(--green); }
.stance.positive .headline { color: var(--green); }
.stance.caution { border-left-color: var(--amber); }
.stance.caution .headline { color: var(--amber); }
.stance.alert { border-left-color: var(--red); }
.stance.alert .headline { color: var(--red); }
.stance.neutral { border-left-color: var(--dim); }
.stance.neutral .headline { color: var(--text); }

/* ---------- Metric chips row ---------- */
.chips { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 16px; min-width: 128px;
}
.chip .k { font-size: .75rem; color: var(--dim); }
.chip .v { font-size: 1.25rem; font-weight: 700; }
.chip .s { font-size: .78rem; color: var(--muted); }

/* ---------- Tables ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tbl th {
  text-align: left; padding: 8px 10px; color: var(--dim);
  font-size: .78rem; font-weight: 600; letter-spacing: .4px;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.tbl td { padding: 9px 10px; border-bottom: 1px solid #1a2540; vertical-align: middle; }
.tbl tbody tr:hover { background: rgba(96, 165, 250, 0.05); }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl a.asset-link { font-weight: 700; color: var(--cyan); }

.scroll-x { overflow-x: auto; }

/* ---------- Score pill ---------- */
.score-pill {
  display: inline-block; min-width: 44px; text-align: center;
  padding: 3px 8px; border-radius: 999px; font-weight: 700;
  font-size: .88rem; font-variant-numeric: tabular-nums;
}
.score-hot { background: rgba(34,197,94,.18); color: var(--green); }
.score-strong { background: rgba(132,204,22,.16); color: var(--lime); }
.score-mid { background: rgba(234,179,8,.14); color: var(--yellow); }
.score-weak { background: rgba(249,115,22,.14); color: #fb923c; }
.score-cold { background: rgba(239,68,68,.15); color: var(--red); }
.score-na { background: var(--card2); color: var(--dim); }

.delta-up { color: var(--green); font-variant-numeric: tabular-nums; }
.delta-down { color: var(--red); font-variant-numeric: tabular-nums; }
.delta-flat { color: var(--dim); font-variant-numeric: tabular-nums; }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .78rem; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--line); white-space: nowrap; cursor: help;
}
.badge-cycle { background: rgba(56,189,248,.12); color: var(--cyan); border-color: rgba(56,189,248,.3); }
.badge-real { background: rgba(34,197,94,.12); color: var(--green); border-color: rgba(34,197,94,.3); }
.badge-bounce { background: rgba(234,179,8,.12); color: var(--yellow); border-color: rgba(234,179,8,.3); }
.badge-flat { background: var(--card2); color: var(--muted); }

.action-tag {
  display: inline-block; padding: 3px 10px; border-radius: 7px;
  font-size: .82rem; font-weight: 600; white-space: nowrap;
}

.flag-tag {
  display: inline-block; font-size: .75rem; color: #fca5a5;
  background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.25);
  padding: 1px 8px; border-radius: 999px; margin: 1px 2px;
}

/* ---------- Two-column ---------- */
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) {
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
}

/* ---------- Callouts ---------- */
.callout {
  border-radius: 10px; padding: 14px 18px; margin: 12px 0;
  border: 1px solid var(--line); border-left-width: 5px;
}
.callout.danger { border-left-color: var(--red); background: rgba(239,68,68,.07); }
.callout.warn { border-left-color: var(--amber); background: rgba(245,158,11,.07); }
.callout.info { border-left-color: var(--blue); background: rgba(96,165,250,.07); }
.callout.ok { border-left-color: var(--green); background: rgba(34,197,94,.07); }
.callout.neutral { border-left-color: var(--dim); background: rgba(148,163,184,.05); }
.callout .title { font-weight: 700; margin-bottom: 4px; }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 14px; }
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password], select, textarea {
  width: 100%; padding: 10px 13px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--bg2);
  color: var(--text); font-family: inherit; font-size: .95rem;
}
input:focus, select:focus { outline: 2px solid rgba(96,165,250,.4); border-color: var(--blue); }

.btn {
  display: inline-block; padding: 10px 20px; border-radius: 9px;
  background: var(--blue); color: #0b1220; font-weight: 700;
  border: none; cursor: pointer; font-family: inherit; font-size: .95rem;
}
.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn.green { background: var(--green); }
.btn.ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--line);
}
.btn.small { padding: 5px 12px; font-size: .82rem; }
.btn.danger { background: rgba(239,68,68,.15); color: var(--red); border: 1px solid rgba(239,68,68,.35); }

/* ---------- Filter bar ---------- */
.filterbar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 14px;
}
.filterbar select, .filterbar input { width: auto; }

/* ---------- Tooltip via title attr styling helper ---------- */
.help { cursor: help; border-bottom: 1px dotted var(--dim); }

/* ---------- Verdict card (asset page) ---------- */
.verdict {
  display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
}
.verdict .action-big { font-size: 1.7rem; font-weight: 800; }

/* ---------- Pillar bars ---------- */
.pillar-row {
  display: grid; grid-template-columns: 130px 1fr 44px;
  gap: 10px; align-items: center; margin-bottom: 8px;
}
.pillar-row .plabel { font-size: .88rem; color: var(--muted); }
.pillar-row .pval { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }

/* =============================================================
   LANDING PAGE
   ============================================================= */

.hero {
  padding: 88px 0 64px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(56,189,248,.12), transparent),
    radial-gradient(ellipse 40% 40% at 80% 10%, rgba(34,197,94,.08), transparent);
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800; margin: 0 0 18px; letter-spacing: -0.5px;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--green), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub {
  font-size: 1.12rem; color: var(--muted); max-width: 720px;
  margin: 0 auto 30px;
}
.hero .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.invite-note {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 18px; font-size: .88rem; color: var(--amber);
  background: rgba(245,158,11,.09); border: 1px solid rgba(245,158,11,.25);
  padding: 7px 16px; border-radius: 999px;
}

.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  margin: 30px 0;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.feature .icon { font-size: 1.7rem; margin-bottom: 10px; }
.feature h3 { margin: 0 0 8px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: .92rem; }

.steps { counter-reset: step; }
.step {
  display: flex; gap: 16px; margin-bottom: 20px; align-items: flex-start;
}
.step .n {
  counter-increment: step;
  width: 36px; height: 36px; flex: 0 0 36px; border-radius: 50%;
  background: var(--card2); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--cyan);
}
.step h3 { margin: 2px 0 4px; font-size: 1.02rem; }
.step p { margin: 0; color: var(--muted); font-size: .93rem; }

.faq-item { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq-item summary {
  cursor: pointer; font-weight: 600; padding: 12px 0;
  list-style: none; display: flex; justify-content: space-between;
}
.faq-item summary::after { content: "+"; color: var(--dim); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); margin: 0 0 14px; }

.footer {
  border-top: 1px solid var(--line); padding: 30px 0 40px;
  color: var(--dim); font-size: .85rem;
}
.disclaimer {
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 18px; font-size: .82rem;
  color: var(--dim); margin-top: 16px;
}

/* mock preview card on landing */
.mock {
  max-width: 860px; margin: 0 auto;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 20px; text-align: left;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

/* login */
.login-wrap {
  min-height: 82vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 16px;
}
.login-card {
  width: 100%; max-width: 400px; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px; padding: 30px;
}

/* brief page */
.brief-body { max-width: 820px; }
.brief-body h1 { font-size: 1.4rem; }
.brief-body h2 { font-size: 1.15rem; margin-top: 26px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.brief-body table { border-collapse: collapse; width: 100%; font-size: .9rem; }
.brief-body th, .brief-body td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.brief-body code { background: var(--bg2); padding: 1px 6px; border-radius: 5px; font-size: .85em; }
.brief-body blockquote { border-left: 3px solid var(--blue); margin: 0; padding: 2px 16px; color: var(--muted); }

/* article body */
.article-body { font-size: 1.02rem; line-height: 1.85; }
.article-body h2 { font-size: 1.25rem; margin-top: 34px; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.article-body h3 { font-size: 1.08rem; margin-top: 26px; }
.article-body p { margin: 14px 0; color: #cbd5e1; }
.article-body ul, .article-body ol { color: #cbd5e1; line-height: 1.85; }
.article-body li { margin-bottom: 6px; }
.article-body strong { color: var(--text); }
.article-body blockquote {
  border-left: 3px solid var(--cyan); margin: 18px 0; padding: 4px 18px;
  color: var(--muted); background: rgba(56,189,248,.05); border-radius: 0 8px 8px 0;
}
.article-body table { border-collapse: collapse; width: 100%; font-size: .92rem; margin: 16px 0; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.article-body th { background: var(--card2); }
.article-body code { background: var(--bg2); padding: 1px 7px; border-radius: 5px; font-size: .88em; }

/* TF direction chips */
.tf-chip {
  display: inline-block; width: 26px; text-align: center;
  padding: 2px 0; border-radius: 6px; font-size: .78rem; font-weight: 700;
}
.tf-up { background: rgba(34,197,94,.15); color: var(--green); }
.tf-down { background: rgba(239,68,68,.15); color: var(--red); }
.tf-flat { background: var(--card2); color: var(--dim); }

@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .hero { padding: 56px 0 40px; }
  .chip { min-width: 104px; padding: 8px 12px; }
  .card { padding: 14px; }
}