/* ==========================================================================
   THẦN SỐ — Bộ giải mã Thần số học · Tứ Trụ · Trắc nghiệm tính cách
   Stylesheet duy nhất, tổ chức theo tầng: tokens → base → layout →
   components → panels → print.
   ========================================================================== */

/* ---------------------------------------------------------------- tokens */
:root{
  /* nền & mực */
  --ink:#0B2B22;
  --ink-2:#123D30;
  --ink-3:#0d3226;
  --ink-deep:#0A241C;

  /* nhấn */
  --gold:#C9A24B;
  --gold-light:#E8D9A8;
  --steel:#6E93A6;
  --steel-light:#BFD6E0;

  /* chữ */
  --text-light:#F5F1E6;
  --text-mute:#C9D3CC;
  --text-dim:#8FA39A;

  /* trạng thái */
  --warn:#B4592E;
  --warn-light:#F0C9A8;
  --good:#5C9E70;

  /* DISC */
  --disc-d:#C9564A;
  --disc-i:#D9B23C;
  --disc-s:#5C9E70;
  --disc-c:#5B84A6;

  /* ngũ hành */
  --wx-wood:#5C9E70;
  --wx-fire:#C9564A;
  --wx-earth:#B8925A;
  --wx-metal:#C6BFA8;
  --wx-water:#5B84A6;

  /* hình khối */
  --radius:14px;
  --radius-lg:18px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-sm:0 8px 24px rgba(0,0,0,.25);
  --border:1px solid rgba(201,162,75,.28);
  --border-steel:1px solid rgba(110,147,166,.3);

  --font-display:Fraunces, Georgia, serif;
  --font-body:Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:"Space Mono", ui-monospace, "Cascadia Mono", monospace;
}

/* ------------------------------------------------------------------ base */
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:
    radial-gradient(1200px 600px at 15% -10%, #163f31 0%, transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, #0f3125 0%, transparent 55%),
    var(--ink);
  background-attachment:fixed;
  color:var(--text-light);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.6;
  min-height:100vh;
  padding-bottom:80px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 10px;}
p:last-child{margin-bottom:0;}
a{color:var(--gold-light);}
b,strong{color:var(--gold-light);font-weight:600;}
ul,ol{margin:0;padding-left:20px;}
hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:22px 0;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px;}

/* ---------------------------------------------------------------- layout */
.wrap{max-width:1080px;margin:0 auto;padding:0 20px;}
.dual{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width:860px){
  .dual,.trio{grid-template-columns:1fr;gap:18px;}
}
.section{margin-top:34px;scroll-margin-top:76px;}
.section[hidden]{display:none;}

/* ---------------------------------------------------------------- header */
.site-header{text-align:center;padding:44px 0 26px;}
.eyebrow{
  font-weight:600;letter-spacing:.3em;font-size:11px;
  color:var(--gold-light);text-transform:uppercase;opacity:.85;
}
.site-header h1{font-size:clamp(28px,4.6vw,46px);margin:10px 0 8px;}
.site-header h1 .accent{color:var(--gold);font-style:italic;font-weight:600;}
.site-header h1 .accent2{color:var(--steel-light);font-style:italic;font-weight:600;}
.lede{color:var(--text-mute);font-size:15px;max-width:660px;margin:0 auto;}

/* ------------------------------------------------------------------- nav */
.navbar{
  position:sticky;top:0;z-index:40;
  background:rgba(11,43,34,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(201,162,75,.18);
}
.navbar .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;}
.navbar .wrap::-webkit-scrollbar{display:none;}
.nav-btn{
  flex:0 0 auto;background:none;border:none;cursor:pointer;
  color:var(--text-dim);font-family:var(--font-body);font-size:13px;font-weight:600;
  letter-spacing:.04em;padding:14px 14px 12px;border-bottom:2px solid transparent;
  transition:color .18s,border-color .18s;white-space:nowrap;
}
.nav-btn:hover{color:var(--text-light);}
.nav-btn.active{color:var(--gold);border-bottom-color:var(--gold);}

/* ----------------------------------------------------------------- cards */
.card{
  background:linear-gradient(180deg,var(--ink-2),var(--ink-3));
  border:var(--border);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow);
}
.card.flat{background:rgba(18,61,48,.55);box-shadow:var(--shadow-sm);}
.card + .card{margin-top:18px;}
.card-head{margin-bottom:18px;}
.card-head h2{font-size:22px;color:var(--text-light);}
.card-head h3{font-size:17px;color:var(--text-light);}
.card-head p{color:var(--text-mute);font-size:13.5px;margin-top:6px;}

.chip{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;padding:4px 10px;border-radius:999px;
  background:rgba(201,162,75,.14);color:var(--gold-light);
  border:1px solid rgba(201,162,75,.3);
}
.chip.steel{background:rgba(110,147,166,.16);color:var(--steel-light);border-color:rgba(110,147,166,.35);}
.chip.warn{background:rgba(180,89,46,.18);color:var(--warn-light);border-color:rgba(180,89,46,.4);}
.chip.good{background:rgba(92,158,112,.16);color:#B7E0C3;border-color:rgba(92,158,112,.4);}

.field-label{
  font-weight:600;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-light);display:block;margin-bottom:8px;
}
.section-title{
  font-weight:600;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-light);margin:26px 0 12px;
}
.section-title:first-child{margin-top:0;}
.hint{color:var(--text-dim);font-size:12.5px;line-height:1.6;margin-top:12px;}
.note{color:var(--text-dim);font-size:12px;font-style:italic;}
.hypo-note{
  color:var(--text-dim);font-size:11.5px;font-style:italic;line-height:1.5;
  margin-bottom:12px;padding-left:10px;border-left:2px solid rgba(201,162,75,.3);
}

/* ---------------------------------------------------------------- inputs */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;}
.form-grid .wide{grid-column:1 / -1;}
input[type=text],input[type=date],input[type=time],input[type=number],select{
  width:100%;background:var(--ink-deep);
  border:1px solid rgba(201,162,75,.4);color:var(--text-light);
  font-family:var(--font-body);font-size:15px;padding:12px 14px;
  border-radius:10px;outline:none;transition:border-color .2s,box-shadow .2s;
}
input[type=text]{font-family:var(--font-display);font-size:18px;}
input[type=date],input[type=time],input[type=number]{font-family:var(--font-mono);font-size:15px;}
input::-webkit-calendar-picker-indicator{filter:invert(.8) sepia(1) saturate(2);cursor:pointer;}
input::placeholder{color:#5E6E66;font-family:var(--font-body);font-size:14px;}
input:focus,select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,75,.18);}
select{appearance:none;padding-right:36px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--gold);color:#20180a;border:none;cursor:pointer;
  font-family:var(--font-body);font-weight:700;letter-spacing:.06em;
  font-size:13px;text-transform:uppercase;padding:13px 24px;border-radius:10px;
  transition:transform .12s,filter .18s,opacity .18s;
}
.btn:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px);}
.btn:active:not(:disabled){transform:translateY(0);}
.btn:disabled{opacity:.35;cursor:not-allowed;}
.btn.ghost{background:transparent;color:var(--gold-light);border:1px solid rgba(201,162,75,.45);}
.btn.ghost:hover:not(:disabled){background:rgba(201,162,75,.1);}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px;}

.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;}
.toolbar .spacer{flex:1;}

/* ----------------------------------------------------------- trace/decode */
.word-grid{display:flex;flex-direction:column;gap:8px;}
.word-block{
  background:rgba(10,36,28,.6);border:1px solid rgba(201,162,75,.16);
  border-radius:10px;padding:10px 13px;
}
.word-orig{font-family:var(--font-display);font-size:19px;letter-spacing:.04em;line-height:1.4;}
.word-orig .vw{color:var(--gold);font-weight:700;}
.word-orig .vw-skip{color:var(--text-dim);text-decoration:line-through;opacity:.6;}
.word-orig .cs{color:var(--steel-light);font-weight:600;}
.word-orig .mute{color:var(--text-dim);opacity:.55;}
.word-sum{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);margin-top:5px;}
.word-sum b{color:var(--gold-light);}
.reduce-row{
  font-family:var(--font-mono);font-size:13.5px;color:var(--text-mute);
  margin-top:12px;padding:10px 13px;border-radius:10px;
  background:rgba(201,162,75,.08);border:1px solid rgba(201,162,75,.2);
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.reduce-row.steel-b{background:rgba(110,147,166,.1);border-color:rgba(110,147,166,.28);}
.reduce-row .arrow{color:var(--gold);}
.master-flag{margin-top:8px;font-size:12.5px;color:var(--warn-light);}
.master-flag:empty{display:none;}

/* --------------------------------------------------------- seal / kết quả */
.seal-row{display:flex;gap:16px;align-items:center;margin-bottom:16px;}
.seal{
  flex:0 0 auto;width:66px;height:66px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-display);font-size:30px;font-weight:700;
  background:radial-gradient(circle at 30% 25%,#E4C578,var(--gold) 55%,#9C7A2E);
  color:#20180a;box-shadow:0 8px 26px rgba(201,162,75,.3);
}
.seal.steel{background:radial-gradient(circle at 30% 25%,#D5E6EE,var(--steel) 55%,#4A6B7C);color:#0a1a20;box-shadow:0 8px 26px rgba(110,147,166,.3);}
.seal.sm{width:48px;height:48px;font-size:20px;}
.seal.glyph{font-size:32px;line-height:1;text-shadow:0 1px 2px rgba(0,0,0,.18);}
.seal-text .kicker{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-light);font-weight:600;}
.seal-text.steel-t .kicker{color:var(--steel-light);}
.seal-text h2,.seal-text h3{font-size:25px;margin:3px 0 4px;color:var(--text-light);}
.seal-text .customer{font-size:13px;color:var(--text-mute);font-style:italic;}

.profile-stack{display:flex;flex-direction:column;gap:13px;}
.profile-col{
  background:rgba(10,36,28,.5);border-left:3px solid var(--gold);
  border-radius:0 10px 10px 0;padding:12px 15px;
}
.profile-col.steel-b{border-left-color:var(--steel);}
.profile-col.sales{border-left-color:var(--warn);background:rgba(180,89,46,.09);}
.profile-col h3{
  font-family:var(--font-body);font-size:10.5px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold-light);margin-bottom:6px;
  display:flex;align-items:center;gap:7px;
}
.profile-col.sales h3{color:var(--warn-light);}
.profile-col.steel-b h3{color:var(--steel-light);}
.profile-col h3 .dot{width:5px;height:5px;border-radius:50%;background:currentColor;flex:0 0 auto;}
.profile-col p,.profile-col li{font-size:13.5px;color:var(--text-mute);line-height:1.65;}
.profile-col ol,.profile-col ul{margin:0;padding-left:18px;}
.profile-col li{margin-bottom:5px;}
.profile-col li:last-child{margin-bottom:0;}

/* -------------------------------------------------------- bảng chỉ số tổng */
.index-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px;}
.index-tile{
  background:rgba(10,36,28,.55);border:1px solid rgba(201,162,75,.2);
  border-radius:12px;padding:13px 14px;cursor:pointer;
  transition:border-color .18s,transform .12s,background .18s;
  text-align:left;font:inherit;color:inherit;width:100%;display:block;
}
.index-tile:hover{border-color:var(--gold);transform:translateY(-2px);background:rgba(201,162,75,.07);}
.index-tile.active{border-color:var(--gold);background:rgba(201,162,75,.12);}
.index-tile .it-label{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--text-dim);font-weight:600;}
.index-tile .it-value{font-family:var(--font-display);font-size:30px;font-weight:700;color:var(--gold);line-height:1.15;margin:3px 0 2px;}
.index-tile.steel .it-value{color:var(--steel-light);}
.index-tile .it-name{font-size:12.5px;color:var(--text-mute);}
.index-tile .it-badge{display:inline-block;margin-top:6px;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;padding:2px 7px;border-radius:999px;background:rgba(180,89,46,.2);color:var(--warn-light);}

.detail-panel{
  margin-top:16px;background:rgba(10,36,28,.5);
  border:1px solid rgba(201,162,75,.22);border-radius:12px;padding:18px 20px;
}
.detail-panel .dp-head{display:flex;gap:12px;align-items:center;margin-bottom:12px;flex-wrap:wrap;}
.detail-panel .dp-title{font-family:var(--font-display);font-size:20px;font-weight:700;}
.detail-panel .dp-formula{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);margin-bottom:12px;line-height:1.7;}

/* ------------------------------------------------------ biểu đồ ngày sinh */
.loshu{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:270px;}
.loshu-cell{
  aspect-ratio:1;border-radius:10px;display:grid;place-items:center;
  background:rgba(10,36,28,.6);border:1px solid rgba(201,162,75,.18);
  font-family:var(--font-mono);font-size:17px;letter-spacing:.06em;
  color:var(--gold-light);position:relative;
}
.loshu-cell.empty{color:var(--text-dim);opacity:.4;border-style:dashed;}
.loshu-cell .lc-digit{font-size:10px;position:absolute;top:5px;left:7px;color:var(--text-dim);opacity:.75;}
.loshu-cell.filled{background:rgba(201,162,75,.12);border-color:rgba(201,162,75,.45);}
.arrow-list{display:flex;flex-direction:column;gap:9px;}
.arrow-item{
  display:flex;gap:11px;align-items:flex-start;
  background:rgba(10,36,28,.45);border-radius:9px;padding:10px 13px;
  border-left:3px solid var(--good);
}
.arrow-item.empty{border-left-color:var(--warn);}
.arrow-item .ai-code{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);flex:0 0 auto;padding-top:2px;}
.arrow-item .ai-name{font-size:13.5px;font-weight:600;color:var(--text-light);}
.arrow-item .ai-desc{font-size:12.5px;color:var(--text-mute);margin-top:2px;}

/* ------------------------------------------------------------------ bảng */
table.data{width:100%;border-collapse:collapse;font-size:13px;}
table.data th,table.data td{
  padding:9px 11px;text-align:left;
  border-bottom:1px solid rgba(255,255,255,.07);
}
table.data th{
  font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--gold-light);font-weight:700;
  border-bottom:1px solid rgba(201,162,75,.3);
}
table.data td{color:var(--text-mute);vertical-align:top;}
table.data tr.current{background:rgba(201,162,75,.1);}
table.data tr.current td{color:var(--text-light);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

/* ------------------------------------------------------------------ bazi */
.bazi-pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px;}
@media (max-width:640px){.bazi-pillars{grid-template-columns:repeat(2,1fr);}}
.bazi-pillar{
  background:rgba(10,36,28,.6);border:1px solid rgba(201,162,75,.22);
  border-radius:12px;padding:12px 10px;text-align:center;
}
.bazi-pillar.day{border-color:var(--gold);background:rgba(201,162,75,.09);}
.bp-label{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);font-weight:600;margin-bottom:8px;}
.bp-char{font-family:var(--font-display);font-size:26px;font-weight:700;line-height:1.25;}
.bp-sub{font-size:10px;letter-spacing:.06em;color:var(--text-dim);margin-top:1px;}
.bp-god{font-size:10px;color:var(--steel-light);margin-top:5px;letter-spacing:.03em;}
.bp-hidden{font-size:10.5px;color:var(--text-dim);margin-top:7px;padding-top:6px;border-top:1px dashed rgba(255,255,255,.1);line-height:1.55;}
.bp-empty{color:var(--text-dim);font-size:12px;font-style:italic;padding:18px 4px;}

.bar-row{display:flex;align-items:center;gap:11px;margin-bottom:9px;}
.bar-label{flex:0 0 118px;font-size:12px;font-weight:600;color:var(--text-mute);}
.bar-track{flex:1;height:9px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;transition:width .5s cubic-bezier(.22,1,.36,1);}
.bar-pct{flex:0 0 56px;text-align:right;font-family:var(--font-mono);font-size:11.5px;color:var(--text-dim);}

.kv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;}
.kv{background:rgba(10,36,28,.5);border-radius:10px;padding:11px 14px;border:1px solid rgba(255,255,255,.06);}
.kv .k{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--text-dim);font-weight:600;}
.kv .v{font-family:var(--font-display);font-size:17px;color:var(--text-light);margin-top:3px;}
.kv .v small{font-family:var(--font-body);font-size:12px;color:var(--text-mute);display:block;font-weight:400;margin-top:2px;line-height:1.5;}

/* ------------------------------------------------------------------ quiz */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.tab{
  background:rgba(10,36,28,.5);border:1px solid rgba(201,162,75,.25);
  color:var(--text-mute);cursor:pointer;font-family:var(--font-body);
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  padding:9px 16px;border-radius:999px;transition:all .18s;
}
.tab:hover{border-color:var(--gold);color:var(--text-light);}
.tab.active{background:var(--gold);border-color:var(--gold);color:#20180a;}
.tab .tab-done{margin-left:6px;color:var(--good);}
.tab.active .tab-done{color:#20180a;}

.progress-line{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:12px;color:var(--text-dim);margin-bottom:16px;
}
.progress-line .pl-track{flex:1;height:5px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.progress-line .pl-fill{height:100%;background:var(--gold);border-radius:999px;transition:width .3s;}

.q-list{display:flex;flex-direction:column;gap:11px;}
.q-item{
  background:rgba(10,36,28,.45);border:1px solid rgba(255,255,255,.06);
  border-radius:11px;padding:13px 15px;transition:border-color .18s;
}
.q-item.answered{border-color:rgba(201,162,75,.32);}
.q-text{font-size:13.5px;color:var(--text-light);margin-bottom:10px;line-height:1.55;}
.q-text .q-num{color:var(--text-dim);font-family:var(--font-mono);font-size:11.5px;margin-right:7px;}
.q-scale{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.q-scale .sc-label{font-size:10.5px;color:var(--text-dim);flex:0 0 auto;}
.q-opts{display:flex;gap:6px;}
.q-opt{
  width:34px;height:34px;border-radius:8px;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  color:var(--text-dim);font-family:var(--font-mono);font-size:13px;
  transition:all .15s;
}
.q-opt:hover{border-color:var(--gold);color:var(--text-light);}
.q-opt.sel{background:var(--gold);border-color:var(--gold);color:#20180a;font-weight:700;}

/* ------------------------------------------------------------- synthesis */
.syn-card{
  background:linear-gradient(135deg,rgba(201,162,75,.13),rgba(110,147,166,.1));
  border:1px solid rgba(201,162,75,.3);border-radius:var(--radius-lg);
  padding:24px 26px;
}
.syn-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.syn-list li{padding-left:20px;position:relative;font-size:13.5px;color:var(--text-mute);line-height:1.65;}
.syn-list li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;
  border-radius:50%;background:var(--gold);
}
.syn-list li .sl-label{
  display:block;font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--gold-light);font-weight:700;margin-bottom:2px;
}
.syn-list li .sl-src{
  display:block;margin-top:4px;font-family:var(--font-mono);font-size:11px;
  color:var(--text-dim);
}

.axis-row{margin-bottom:15px;}
.axis-head{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-dim);margin-bottom:5px;gap:10px;}
.axis-head .ah-active{color:var(--gold-light);font-weight:600;}
.axis-track{height:8px;border-radius:999px;background:rgba(255,255,255,.07);position:relative;overflow:hidden;}
.axis-mid{position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(255,255,255,.2);}
.axis-fill{position:absolute;top:0;bottom:0;border-radius:999px;transition:all .5s cubic-bezier(.22,1,.36,1);}
.axis-src{font-size:11px;color:var(--text-dim);margin-top:4px;font-style:italic;}

.verdict{
  background:rgba(10,36,28,.6);border:1px solid rgba(201,162,75,.28);
  border-radius:12px;padding:18px 20px;margin-bottom:18px;
}
.verdict .v-kicker{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-light);font-weight:700;}
.verdict .v-headline{font-family:var(--font-display);font-size:23px;font-weight:700;margin:5px 0 8px;line-height:1.3;}
.verdict .v-body{font-size:13.5px;color:var(--text-mute);line-height:1.7;}

.conv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;}
.conv-item{
  background:rgba(10,36,28,.5);border-radius:10px;padding:12px 14px;
  border-left:3px solid var(--steel);
}
.conv-item.agree{border-left-color:var(--good);}
.conv-item.tension{border-left-color:var(--warn);}
.conv-item .ci-head{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--steel-light);margin-bottom:4px;}
.conv-item.agree .ci-head{color:#B7E0C3;}
.conv-item.tension .ci-head{color:var(--warn-light);}
.conv-item .ci-body{font-size:12.5px;color:var(--text-mute);line-height:1.6;}

/* ------------------------------------------------------------ disclaimer */
.disclaimer{
  background:rgba(180,89,46,.08);border:1px solid rgba(180,89,46,.3);
  border-radius:var(--radius);padding:18px 22px;
}
.disclaimer .d-title{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--warn-light);font-weight:700;margin-bottom:10px;
}
.disclaimer ul{padding-left:18px;margin:0;}
.disclaimer li{font-size:12.5px;color:var(--text-mute);line-height:1.65;margin-bottom:6px;}
.disclaimer li:last-child{margin-bottom:0;}
.disclaimer .d-note{
  margin-top:12px;padding-top:10px;border-top:1px solid rgba(180,89,46,.22);
  font-size:12.5px;color:var(--warn-light);font-style:italic;
}

/* -------------------------------------------------------------- collapse */
details.collapse{
  background:rgba(10,36,28,.4);border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius);margin-top:16px;
}
details.collapse > summary{
  cursor:pointer;padding:13px 18px;list-style:none;
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold-light);font-weight:700;
}
details.collapse > summary::-webkit-details-marker{display:none;}
details.collapse > summary::before{content:"▸ ";color:var(--gold);}
details.collapse[open] > summary::before{content:"▾ ";}
details.collapse > .collapse-body{padding:0 18px 18px;}

/* ---------------------------------------------------------------- footer */
.site-footer{
  text-align:center;margin-top:56px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.07);
  color:var(--text-dim);font-size:12px;line-height:1.8;
}
.site-footer .tagline{
  font-family:var(--font-display);font-style:italic;font-size:15px;
  color:var(--gold-light);margin-bottom:8px;
}

/* ---------------------------------------------------------------- states */
.empty-state{text-align:center;padding:44px 20px;color:var(--text-dim);font-size:14px;}
.empty-state .es-icon{font-size:34px;opacity:.35;margin-bottom:10px;}
.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  background:var(--ink-2);border:1px solid var(--gold);border-radius:999px;
  padding:11px 22px;font-size:13px;color:var(--text-light);
  box-shadow:var(--shadow);opacity:0;pointer-events:none;
  transition:opacity .25s,transform .25s;z-index:90;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ------------------------------------------ cảnh báo chưa giải mã lại */
/* Nút phải TỰ nó báo là đang lệch: người dùng nhìn vào nút "Giải mã" trước
   khi nhìn vào bất kỳ dòng chữ nào quanh nó. */
.btn.needs-decode {
  background: var(--warn);
  border-color: var(--warn);
  color: #fff;
  animation: pulse-warn 1.6s ease-in-out infinite;
}
@keyframes pulse-warn {
  0%, 100% { box-shadow: 0 0 0 0 rgba(180, 89, 46, .55); }
  50% { box-shadow: 0 0 0 5px rgba(180, 89, 46, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .btn.needs-decode { animation: none; }
}

.stale-note {
  display: inline-flex; align-items: center;
  font-size: 12.5px; line-height: 1.4; color: var(--warn-light);
  background: rgba(180, 89, 46, .16);
  border: 1px solid rgba(180, 89, 46, .5);
  border-radius: var(--radius);
  padding: 8px 12px;
}
.stale-note[hidden] { display: none; }
.stale-note b { color: #fff; }

/* ------------------------------------------------------- xem Markdown */
/* <dialog> gốc: lớp phủ, bẫy tiêu điểm và phím Esc do trình duyệt lo. */
.md-modal{
  width:min(920px,94vw);max-height:88vh;padding:0;border:var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
  background:linear-gradient(180deg,var(--ink-2),var(--ink-3));
  color:var(--text-light);overflow:hidden;
}
.md-modal::backdrop{background:rgba(6,22,17,.72);backdrop-filter:blur(3px);}
.md-modal[open]{display:flex;flex-direction:column;}

.md-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 20px 12px;flex:0 0 auto;
}
.md-head-main{min-width:0;}
.md-title{
  margin:0;font-family:var(--font-display);font-size:20px;font-weight:600;
  color:var(--gold-light);
}
.md-sub{
  margin-top:4px;font-family:var(--font-mono);font-size:12px;color:var(--text-dim);
  word-break:break-all;
}
.md-close{padding:6px 12px;font-size:14px;line-height:1;flex:0 0 auto;}

.md-tabs{margin:0;padding:0 20px 12px;border-bottom:var(--border);flex:0 0 auto;}
.md-tab{font-size:12px;padding:7px 14px;}

.md-body{
  flex:1 1 auto;min-height:0;overflow:auto;padding:18px 22px 24px;
  background:var(--ink-deep);
  /* Người dùng bôi đen tay khi trình duyệt chặn chép tự động. */
  user-select:text;
}

/* --- tab "Nguồn Markdown" --- */
.md-raw{
  margin:0;font-family:var(--font-mono);font-size:12.5px;line-height:1.65;
  color:var(--text-mute);white-space:pre-wrap;word-break:break-word;
}
.md-raw code{font:inherit;color:inherit;}

/* --- tab "Bản đã dựng" --- */
.md-doc{font-size:14px;line-height:1.7;color:var(--text-mute);}
.md-doc > :first-child{margin-top:0;}
.md-doc h2,.md-doc h3,.md-doc h4,.md-doc h5,.md-doc h6{
  font-family:var(--font-display);color:var(--gold-light);
  margin:26px 0 10px;line-height:1.3;
}
.md-doc h2{font-size:21px;}
.md-doc h3{font-size:18px;}
.md-doc h4{
  font-size:13px;font-family:var(--font-body);letter-spacing:.08em;
  text-transform:uppercase;color:var(--gold);
}
.md-doc h5,.md-doc h6{font-size:14px;font-family:var(--font-body);}
.md-doc p{margin:0 0 12px;}
.md-doc strong{color:var(--gold-light);}
.md-doc em{color:var(--text-dim);}
.md-doc code{
  font-family:var(--font-mono);font-size:12.5px;
  background:rgba(201,162,75,.12);border-radius:4px;padding:1px 5px;
}
.md-doc hr{border:0;border-top:1px solid rgba(201,162,75,.22);margin:22px 0;}
.md-doc ul,.md-doc ol{margin:0 0 12px;padding-left:22px;}
.md-doc li{margin-bottom:6px;}
.md-doc blockquote{
  margin:0 0 14px;padding:12px 16px;
  border-left:3px solid var(--gold);border-radius:0 8px 8px 0;
  background:rgba(201,162,75,.08);font-size:13px;
}
.md-doc blockquote p:last-child{margin-bottom:0;}
.md-doc .table-scroll{margin-bottom:16px;}
.md-doc table.data{font-size:12.5px;}

.md-foot{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  padding:14px 20px;border-top:var(--border);flex:0 0 auto;
}
.md-hint{margin-left:auto;max-width:46ch;}

@media (max-width:640px){
  .md-modal{width:100vw;max-width:100vw;max-height:100vh;height:100vh;border-radius:0;}
  .md-hint{margin-left:0;flex-basis:100%;}
  .md-body{padding:14px 16px 20px;}
}

/* ----------------------------------------------------------------- print */
@media print{
  body{background:#fff;color:#111;padding:0;}
  .navbar,.btn,.btn-row,.toolbar,.tabs,.q-list,.progress-line,.toast,.md-modal{display:none !important;}
  .section[hidden]{display:block !important;}
  .card,.syn-card,.disclaimer{
    background:#fff !important;border:1px solid #ccc !important;
    box-shadow:none !important;break-inside:avoid;
  }
  .profile-col,.kv,.conv-item,.arrow-item,.bazi-pillar,.word-block,.index-tile,.detail-panel,.verdict{
    background:#f7f7f5 !important;
  }
  h1,h2,h3,.seal-text h2,.dp-title,.v-headline{color:#111 !important;}
  p,li,td,.it-name,.ci-body{color:#333 !important;}
  .eyebrow,.field-label,.section-title,.chip{color:#7a6224 !important;}
  a{color:#111 !important;text-decoration:none;}
  details.collapse{border:1px solid #ddd;}
  details.collapse > .collapse-body{display:block !important;}
}