:root {
  --bg: #0b0e11;
  --panel: #151a21;
  --panel2: #1b222c;
  --border: #262e3a;
  --text: #e6e9ef;
  --muted: #8b95a5;
  --accent: #f5c518;
  --green: #26c281;
  --red: #ef5350;
  --blue: #4d90fe;
  --radius: 10px;
  --banner-bg: #241f10;
  --banner-border: #4a3f16;
  --banner-text: #e8d9a0;
  --chart-line: #4d90fe;
}

/* Chế độ SÁNG — bật bằng nút 🌓, lưu localStorage, JS gắn data-theme lên <html> */
:root[data-theme="light"] {
  --bg: #f2f4f8;
  --panel: #ffffff;
  --panel2: #e9edf3;
  --border: #d3dae4;
  --text: #1d2733;
  --muted: #5f6d80;
  --accent: #e0a800;
  --green: #178f5d;
  --red: #d43f3c;
  --blue: #2e6fd0;
  --banner-bg: #fdf6dd;
  --banner-border: #e3d089;
  --banner-text: #6d5a10;
  --chart-line: #2e6fd0;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px; line-height: 1.5;
}
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1680px; margin: 0 auto; padding: 16px; }

/* Header */
.topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 8px 4px 16px; }
.topbar h1 { font-size: 20px; margin: 0; color: var(--accent); font-weight: 700; }
.topbar .meta { color: var(--muted); font-size: 13px; }
.spacer { flex: 1; }
.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #111; font-weight: 600; border: none; }
.btn.active { background: var(--accent); color: #111; font-weight: 600; }

/* Tabs */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tab { padding: 9px 16px; border-radius: 8px; background: var(--panel);
  border: 1px solid var(--border); cursor: pointer; font-weight: 600; font-size: 13px; }
.tab.active { background: var(--accent); color: #111; border-color: var(--accent); }
.view { display: none; }
.view.active { display: block; }

/* Panels */
.card { background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.card h2 { font-size: 15px; margin: 0 0 12px; }
.card h2 .num { color: var(--accent); margin-right: 6px; }
.hint { color: var(--muted); font-size: 12.5px; }
.banner { background: var(--banner-bg); border: 1px solid var(--banner-border);
  color: var(--banner-text);
  padding: 10px 14px; border-radius: 8px; font-size: 12.5px; margin-bottom: 16px; }

/* Sentiment strip */
.sent-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 10px; }
.sent-tile { background: var(--panel2); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; position: relative; min-height: 120px; }
.sent-tile .name { font-weight: 600; font-size: 13px; }
.sent-tile .age { position: absolute; top: 12px; right: 12px; font-size: 11px; color: var(--muted); }
.sent-tile .score { font-size: 26px; font-weight: 700; margin: 6px 0 2px; }
.sent-tile .label { font-size: 12px; color: var(--muted); }
.sent-tile svg { width: 100%; height: 34px; margin-top: 6px; }
.sent-tile .news-link { font-size: 12px; color: var(--blue); cursor: pointer; }

/* Controls */
.chips { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.chip { padding: 5px 12px; border-radius: 16px; background: var(--panel2);
  border: 1px solid var(--border); cursor: pointer; font-size: 12.5px; }
.chip.active { background: var(--accent); color: #111; border-color: var(--accent); font-weight: 600; }
select.chip { appearance: auto; max-width: 210px; }
select.chip.active { background: var(--accent); color: #111; }
.field { display: flex; gap: 8px; align-items: center; }
input[type=text], input[type=date], select {
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  padding: 7px 10px; border-radius: 8px; font-size: 13px; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase;
  cursor: default; }
tbody tr:hover { background: var(--panel2); cursor: pointer; }
tr.cat-row td { background: var(--panel2); color: var(--accent); font-weight: 700;
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; }
tbody tr.cat-row:hover { background: var(--panel2); cursor: default; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11px;
  border: 1px solid var(--border); }
.tag.coint { color: var(--accent); border-color: #5a4d16; }
.tag.wf { color: var(--green); border-color: #1c5a3f; }
.pos { color: var(--green); } .neg { color: var(--red); } .mut { color: var(--muted); }
.vecm-sig { color: var(--accent); font-weight: 700; }
.single-leg { background: #10231c; border: 1px solid #1c5a3f; border-radius: 8px;
  padding: 10px 12px; margin: 8px 0; font-size: 13px; }
.single-leg:empty { display: none; }
.sl-head { display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.sl-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px;
  overflow: hidden; background: var(--bg); }
.sl-opt { padding: 3px 12px; font-size: 12px; cursor: pointer; color: var(--muted);
  user-select: none; transition: background .12s; }
.sl-opt:hover { color: var(--text); }
.sl-opt.active { background: var(--accent); color: #111; font-weight: 700; }

/* Gauge / regime */
.regime-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px,1fr)); gap: 16px; }
.gauge-row { display: flex; gap: 20px; align-items: center; margin: 10px 0; }
.gauge { flex: 1; }
.gauge .bar { height: 22px; background: var(--panel2); border-radius: 6px; overflow: hidden;
  position: relative; border: 1px solid var(--border); }
.gauge .fill { height: 100%; border-radius: 6px 0 0 6px; }
.gauge .fill.peak { background: linear-gradient(90deg,#c9302c,#ef5350); }
.gauge .fill.trough { background: linear-gradient(90deg,#1c8a5a,#26c281); }
.gauge .lbl { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 4px; }
.verdict { font-size: 14px; font-weight: 600; padding: 10px; border-radius: 8px;
  background: var(--panel2); margin: 8px 0; }
.grp-break { font-size: 12px; color: var(--muted); }
.grp-break b { color: var(--text); }
.mini-bar { display: inline-block; height: 8px; background: var(--accent); border-radius: 3px;
  vertical-align: middle; }
canvas { display: block; }

/* Biểu đồ tương tác */
.chart-wrap { position: relative; width: 100%; margin-top: 4px; }
.chart-wrap canvas { width: 100%; cursor: crosshair; touch-action: pan-y; }
.chart-tip { position: absolute; pointer-events: none; z-index: 5;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 11px; font-size: 12px; line-height: 1.5; white-space: nowrap;
  box-shadow: 0 6px 20px rgba(0,0,0,.35); }
.chart-tip .t-date { color: var(--muted); font-size: 11.5px; }
.chart-tip .t-price { font-size: 15px; font-weight: 700; color: var(--text); }
.chart-tip .t-chg { font-size: 11.5px; }
.chart-tip .t-swing { margin-top: 3px; font-size: 11.5px; color: var(--muted); }
.chart-tip .t-swing.peak { color: var(--red); }
.chart-tip .t-swing.trough { color: var(--green); }
.spinner { color: var(--muted); padding: 20px; text-align: center; }
.match-badge { font-size: 22px; font-weight: 700; }
details.raw { margin-top: 6px; }
details.raw summary { cursor: pointer; color: var(--blue); font-size: 12px; }
.guide { max-width: 920px; }
.guide h2 { color: var(--accent); font-size: 19px; margin: 30px 0 10px;
  border-bottom: 1px solid var(--border); padding-bottom: 7px; }
.guide h2:first-child { margin-top: 4px; }
.guide h3 { color: var(--accent); font-size: 15.5px; margin: 20px 0 6px; }
.guide h4 { color: var(--text); font-size: 13.5px; margin: 12px 0 3px; }
.guide p { margin: 6px 0; }
.guide ul, .guide ol { margin: 6px 0; padding-left: 22px; }
.guide li { margin: 3px 0; }
.guide code { background: var(--panel2); color: var(--accent); padding: 1px 5px;
  border-radius: 4px; font-size: 12.5px; }
.guide blockquote { margin: 10px 0; }
.guide table { margin: 12px 0; }
.guide hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.guide i { color: var(--text); font-style: normal; background: var(--panel2);
  padding: 0 4px; border-radius: 3px; }
.loss-list { font-size: 12px; color: var(--muted); }

/* ================= Tài khoản & phân quyền ================= */
.hidden { display: none !important; }
.user-box { display: inline-flex; align-items: center; gap: 8px; }
.user-name { font-size: 13px; font-weight: 600; }
.role-tag { font-size: 10.5px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); text-transform: uppercase;
  letter-spacing: .3px; }
.role-tag.admin { color: #111; background: var(--accent); border-color: var(--accent);
  font-weight: 700; }
.role-tag.member { color: var(--green); border-color: var(--green); }
.role-tag.pending { color: var(--accent); border-color: var(--accent); }

/* Tab bị khóa */
.tab.locked { opacity: .72; }
.tab .lock { font-size: 11px; }
.tab .badge { display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px;
  border-radius: 999px; background: var(--red); color: #fff; font-size: 11px;
  text-align: center; font-weight: 700; }

/* Ô nhập bị khóa (ngày, mã CP) */
.lock-wrap { display: inline-flex; align-items: center; gap: 8px; position: relative; }
.lock-wrap.locked { opacity: .55; }
.lock-wrap.locked input, .lock-wrap.locked .btn { pointer-events: none; }
.lock-wrap.locked::after { content: "🔒"; font-size: 12px; }
.lock-shield { position: absolute; inset: 0; cursor: pointer; z-index: 2; }

.guest-note { margin-top: 10px; padding: 10px 14px; border-radius: 8px;
  background: var(--banner-bg); border: 1px solid var(--banner-border);
  color: var(--banner-text); font-size: 12.5px; }
.guest-note a { color: var(--blue); font-weight: 600; }

/* Khóa nội dung một view */
.locked-panel { text-align: center; padding: 44px 20px; }
.locked-panel .big { font-size: 40px; }
.locked-panel h3 { margin: 10px 0 6px; font-size: 17px; }
.locked-panel p { color: var(--muted); max-width: 460px; margin: 0 auto 16px; }

/* ================= Modal ================= */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.62);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 22px; width: 100%; max-width: 400px; position: relative;
  box-shadow: 0 18px 48px rgba(0,0,0,.45); }
.modal-x { position: absolute; top: 10px; right: 12px; background: none; border: none;
  color: var(--muted); font-size: 16px; cursor: pointer; }
.modal-x:hover { color: var(--text); }
.modal-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.modal-tab { flex: 1; text-align: center; padding: 9px; border-radius: 8px;
  background: var(--panel2); border: 1px solid var(--border); cursor: pointer;
  font-weight: 600; font-size: 13px; }
.modal-tab.active { background: var(--accent); color: #111; border-color: var(--accent); }
.modal-form label { display: block; font-size: 12.5px; margin: 10px 0 4px; color: var(--muted); }
.modal-form input { width: 100%; background: var(--panel2); border: 1px solid var(--border);
  color: var(--text); padding: 9px 11px; border-radius: 8px; font-size: 13.5px; }
.modal-form input:focus { outline: none; border-color: var(--accent); }
.btn.wide { width: 100%; margin-top: 16px; padding: 10px; font-size: 14px; }
.modal-msg { padding: 9px 12px; border-radius: 8px; font-size: 12.5px; margin-bottom: 12px; }
.modal-msg.err { background: rgba(239,83,80,.14); border: 1px solid var(--red); color: var(--red); }
.modal-msg.ok { background: rgba(38,194,129,.14); border: 1px solid var(--green); color: var(--green); }

/* Bảng quản trị */
.st { font-size: 11px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--border); }
.st.pending { color: var(--accent); border-color: var(--accent); }
.st.approved { color: var(--green); border-color: var(--green); }
.st.rejected { color: var(--red); border-color: var(--red); }
.act-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.act-btns .btn { padding: 4px 10px; font-size: 12px; }
.btn.ok { border-color: var(--green); color: var(--green); }
.btn.no { border-color: var(--red); color: var(--red); }
#usersWrap tbody tr:hover { cursor: default; }

/* Form link cộng đồng (admin) */
.link-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 9px 0; border-bottom: 1px solid var(--border); }
.link-row:last-child { border-bottom: none; }
.link-row .ico { font-size: 17px; width: 24px; text-align: center; }
.link-row .nm { width: 120px; font-size: 13px; font-weight: 600; }
.link-row input[type=text] { flex: 1; min-width: 220px; }
.link-row label { display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; color: var(--muted); cursor: pointer; }

/* Soạn thảo miễn trừ trách nhiệm (admin) */
textarea#discBodyInput { width: 100%; background: var(--panel2); border: 1px solid var(--border);
  color: var(--text); padding: 11px 13px; border-radius: 8px; font-size: 13px;
  line-height: 1.6; font-family: inherit; resize: vertical; }
textarea#discBodyInput:focus { outline: none; border-color: var(--accent); }
.disc-preview { margin-top: 14px; padding: 14px 16px; border-radius: 8px;
  background: var(--bg); border: 1px dashed var(--border); color: var(--muted);
  font-size: 12px; line-height: 1.65; }
.disc-preview b { color: var(--text); }
.disc-preview p { margin: 6px 0; }

/* ================= Miễn trừ trách nhiệm ================= */
.site-footer { margin: 26px 0 100px; padding: 18px 20px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border); color: var(--muted);
  font-size: 12px; line-height: 1.65; }
.site-footer .disc-title { color: var(--accent); font-weight: 700; font-size: 13px;
  margin-bottom: 8px; }
.site-footer p { margin: 6px 0; }
.site-footer b { color: var(--text); font-weight: 600; }
.site-footer .disc-copy { margin-top: 12px; padding-top: 10px;
  border-top: 1px solid var(--border); font-size: 11.5px; opacity: .85; }

/* ================= Popup nhóm cộng đồng ================= */
.social-widget { position: fixed; right: 20px; bottom: 20px; z-index: 40;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.social-bubble { width: 52px; height: 52px; border-radius: 50%; border: none;
  background: var(--accent); color: #111; font-size: 24px; cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,.35); transition: transform .15s; }
.social-bubble:hover { transform: scale(1.08); }
.social-card { position: relative; width: 258px; padding: 16px; border-radius: 12px;
  background: var(--panel); border: 1px solid var(--border);
  box-shadow: 0 12px 36px rgba(0,0,0,.42); animation: popIn .18s ease-out; }
@keyframes popIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.social-x { position: absolute; top: 8px; right: 10px; background: none; border: none;
  color: var(--muted); cursor: pointer; font-size: 13px; }
.social-x:hover { color: var(--text); }
.social-head { font-weight: 700; font-size: 14px; margin-bottom: 2px; }
.social-sub { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.social-link { display: flex; align-items: center; gap: 9px; padding: 9px 11px;
  margin-bottom: 7px; border-radius: 8px; background: var(--panel2);
  border: 1px solid var(--border); color: var(--text); font-size: 13px;
  font-weight: 600; text-decoration: none; }
.social-link:hover { border-color: var(--accent); color: var(--text); }
.social-link .ico { font-size: 16px; }
.social-link .go { margin-left: auto; color: var(--muted); font-size: 12px; }

@media (max-width: 560px) {
  .social-widget { right: 12px; bottom: 12px; }
  .social-card { width: calc(100vw - 34px); max-width: 258px; }
}

/* ============ Báo cáo kịch bản liên thị trường ============ */
.scn-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px; margin-bottom: 16px; }
.scn-card { background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; border-top: 3px solid var(--muted); }
.scn-card.bull { border-top-color: var(--green); }
.scn-card.rot  { border-top-color: var(--accent); }
.scn-card.swan { border-top-color: var(--red); }
.scn-name { font-weight: 700; font-size: 13.5px; }
.scn-prob { font-size: 36px; font-weight: 800; margin: 4px 0 2px; }
.scn-card.bull .scn-prob { color: var(--green); }
.scn-card.rot  .scn-prob { color: var(--accent); }
.scn-card.swan .scn-prob { color: var(--red); }
.scn-bar { height: 6px; border-radius: 3px; background: var(--panel2);
  overflow: hidden; margin-bottom: 10px; }
.scn-bar .fill { height: 100%; }
.scn-card.bull .scn-bar .fill { background: var(--green); }
.scn-card.rot  .scn-bar .fill { background: var(--accent); }
.scn-card.swan .scn-bar .fill { background: var(--red); }
.scn-sum { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.scn-imp { margin: 0 0 10px; padding-left: 18px; font-size: 12.5px; }
.scn-imp li { margin-bottom: 5px; }
.scn-card .match-badge { font-size: 13px; }
.lean-badge { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 6px; }
.lean-badge.peak { background: color-mix(in srgb, var(--red) 16%, transparent); color: var(--red); }
.lean-badge.trough { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--green); }