/* =========================================================
   FloorMen — design system "Clinical Ethereal" (D-041 · 27/09/2026)
   Light only. Mọi màu là variable. Không hardcode hex trong component.
   Font: Be Vietnam Pro (UI) + Fraunces (tiêu đề) — D-044.
   ========================================================= */
:root{
  /* ---- brand ---- */
  --brand:            #2563EB;   /* color/brand — CTA, focus, progress */
  --brand-strong:     #1D4ED8;   /* pressed · chữ brand trên nền soft */
  --brand-tint:       #EEF4FF;   /* nền nhạt: tag, chip đã chọn, tab Progress */
  --brand-rgb:        37,99,235;

  /* ---- accent ---- */
  --accent:           #2563EB;
  --accent-ink:       #FFFFFF;
  /* trạng thái = mực đậm (≥4.5:1 trên trắng) + kênh RGB để tạo nền tint */
  --mint:             #0F766E;   --mint-rgb:  15,118,110;   /* xong */
  --sun:              #B45309;   --sun-rgb:   180,83,9;     /* streak, huy hiệu */
  --coral:            #C2410C;   --coral-rgb: 194,65,12;    /* LỠ — mềm, không phải danger */
  --sky:              #0369A1;   --sky-rgb:   3,105,161;    /* info */
  --lavender:         #6D5BD0;   --lavender-rgb:109,91,208; /* thư giãn · ngủ */
  --blush:            #BE3A6E;   --blush-rgb: 190,58,110;   /* sức khoẻ tình dục · prep */
  --on-mint:          #FFFFFF;

  /* ---- semantic ---- */
  --success:          var(--mint);
  --warning:          var(--sun);
  --danger:           #B91C1C;   --danger-rgb:185,28,28;    /* CHỈ rủi ro y khoa thật */
  --info:             var(--sky);

  /* ---- background / surface ---- */
  --bg:               #F8F9FC;
  --surface:          #FFFFFF;
  --surface-alt:      #EEF2F7;
  --glass:            rgba(255,255,255,.80);

  /* ---- text ---- */
  --text:             #1E293B;   /* 14.6:1 */
  --text-body:        #475569;   /* 7.6:1 — đoạn văn dài */
  --text-2:           #64748B;   /* 4.8:1 — caption, meta */
  --on-brand:         #FFFFFF;

  /* ---- line ---- */
  --line:             #E5EAF2;
  --line-strong:      #CBD5E1;
  --line-glass:       rgba(255,255,255,.85);

  /* ---- ethereal gradients (Figma paint styles ethereal/*) ---- */
  --grad-ombre:       linear-gradient(180deg,#E3EDFF 0%,#F1EDFF 150px,rgba(253,244,248,.55) 300px,rgba(248,249,252,0) 440px);
  --grad-aurora:      linear-gradient(135deg,#A8C8F0 0%,#C4B5F0 50%,#F0C4D4 100%);
  --grad-aurora-soft: linear-gradient(135deg,#E8F0FE 0%,#F5EFFF 50%,#FFF5F7 100%);
  --grad-accent:      linear-gradient(135deg,#4A7BF7 0%,#2563EB 100%);

  /* ---- data-viz (colorblind-safe trên nền trắng) ---- */
  --d1:#2563EB; --d2:#0F766E; --d3:#B45309; --d4:#0369A1;
  --d5:#C2410C; --d6:#93B4F5; --d7:#0E7490; --d8:#7C6FE0;

  /* ---- type ---- */
  --font-ui:      "Be Vietnam Pro","Noto Sans JP","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --font-display: "Fraunces","Noto Serif JP","Noto Serif KR",Georgia,"Times New Roman",serif;
  --fs-display:28px; --fs-title:22px; --fs-heading:18px;
  --fs-body:16px;    --fs-caption:13px; --fs-micro:11px;

  /* ---- radius ---- */
  --r-card:20px; --r-btn:14px; --r-input:12px; --r-chip:999px;

  /* ---- spacing ---- */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px;

  /* ---- shadow (ánh xanh nhạt, Ethereal DS) ---- */
  --sh-card:0 8px 32px rgba(100,120,200,.08);
  --sh-float:0 -1px 12px rgba(15,23,42,.08);

  /* ---- motion ---- */
  --t-fast:150ms; --t-base:250ms; --t-slow:400ms;

  /* ---- hình minh hoạ (figures.js) — tông tối, đọc được trên nền trắng ---- */
  --fig-body:  #64748B;
  --fig-far:   #94A3B8;
  --fig-bone:  #475569;
  --fig-organ: #3B5BA9;
  --fig-wall:  rgba(37,99,235,.10);

  /* ---- IconBadge tones + biểu tượng (brief §9.2–9.3) ---- */
  --tone-blue:     linear-gradient(135deg,#EAF2FF,#BFD6F7);
  --tone-mint:     linear-gradient(135deg,#E6F8F2,#B5E8D5);
  --tone-lavender: linear-gradient(135deg,#F1EEFF,#CFC5F5);
  --tone-amber:    linear-gradient(135deg,#FFF6E6,#FBD9A5);
  --tone-blush:    linear-gradient(135deg,#FFF1F5,#F4C9D8);
  --orb-fill:      radial-gradient(circle at 35% 30%,#FFE3B0,#F59E0B);
  --orb-ink:       #7C2D12;
  --orb-glow:      rgba(255,216,154,.35);
  --ring-a:        rgba(168,200,240,.35);
  --ring-b:        rgba(196,181,240,.45);
  --ring-c:        rgba(240,196,212,.55);
  --knob:          #FFFFFF;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--grad-ombre) no-repeat,var(--bg);
  color:var(--text);
  font-family:var(--font-ui);
  font-size:var(--fs-body);          /* 16 — floor tuyệt đối */
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
#app{max-width:520px;margin:0 auto;padding:0 var(--sp-5) 120px;min-height:100vh}

/* ---------- typography ---------- */
h1{font-family:var(--font-display);font-size:var(--fs-display);font-weight:300;line-height:1.18;margin:0 0 var(--sp-2);letter-spacing:-.3px}
.title-serif{font-family:var(--font-display);font-weight:400;letter-spacing:-.2px}
h2{font-size:var(--fs-heading);font-weight:500;margin:0 0 var(--sp-1)}
h3{font-size:var(--fs-body);font-weight:600;margin:0 0 var(--sp-2)}
p{margin:0 0 var(--sp-3)}
.display{font-size:var(--fs-display);font-weight:300;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.muted{color:var(--text-2)}
.small{font-size:var(--fs-caption);line-height:1.5}
.xs{font-size:var(--fs-caption);color:var(--text-2);line-height:1.45}
.micro{font-size:var(--fs-micro);font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-2)}
.tabular{font-variant-numeric:tabular-nums}
.center{text-align:center}
a{color:var(--brand)}
b,strong{font-weight:600}

/* ---------- layout ---------- */
.topbar{padding:var(--sp-5) 0 var(--sp-4);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3)}
/* brand được phép co lại; SOS + bánh răng KHÔNG bao giờ bị ép ra khỏi màn hình */
.topbar>.brand{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar>.row,.topbar>.iconbtn{flex:none}
.brand{display:flex;align-items:center;gap:var(--sp-2);font-weight:600;letter-spacing:-.2px}
.brand .dot{width:22px;height:22px;border-radius:7px;background:var(--brand);display:inline-block}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:var(--sp-4);margin-bottom:var(--sp-3);box-shadow:var(--sh-card)}
.card.tight{padding:var(--sp-3)}
.card.glass{background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}
.row{display:flex;align-items:center;gap:var(--sp-3)}
.row.wrap{flex-wrap:wrap}
.between{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3)}
.grow{flex:1;min-width:0}
.stack>*+*{margin-top:var(--sp-3)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
hr{border:0;border-top:1px solid var(--line);margin:var(--sp-4) 0}

/* ---------- buttons (target >=48pt) ---------- */
button{font-family:inherit;font-size:var(--fs-body);color:inherit}
.btn{
  width:100%;min-height:52px;padding:var(--sp-3) var(--sp-4);border-radius:var(--r-btn);
  border:1px solid var(--line-strong);background:var(--surface-alt);color:var(--text);
  font-weight:500;cursor:pointer;text-align:center;
  transition:transform var(--t-fast) ease,background var(--t-fast) ease,opacity var(--t-fast) ease;
}
.btn:active{transform:scale(.985)}
.btn.primary{background:var(--brand);color:var(--on-brand);border-color:transparent;font-weight:600}
.btn.primary:active{background:var(--brand-strong)}
.btn.ghost{background:transparent}
.btn.small{min-height:48px;padding:var(--sp-2) var(--sp-4);font-size:var(--fs-caption);border-radius:var(--r-btn);width:auto}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.opt{
  display:block;width:100%;text-align:left;min-height:56px;padding:var(--sp-4);border-radius:var(--r-btn);
  border:1px solid var(--line-strong);background:var(--surface-alt);cursor:pointer;margin-bottom:var(--sp-2);
}
.opt:active{transform:scale(.99)}
.opt.sel{border-color:var(--brand);background:var(--brand-tint)}
.opt .lbl{font-weight:500;font-size:var(--fs-body)}
.opt .sub{font-size:var(--fs-caption);color:var(--text-2);margin-top:var(--sp-1)}

/* ---------- chip: status luôn icon + màu + chữ ---------- */
.chip{
  display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:var(--r-chip);
  font-size:12px;font-weight:500;border:1px solid var(--line-strong);color:var(--text-2);
}
.chip svg{width:13px;height:13px;flex:none}
.chip.brand{border-color:rgba(var(--brand-rgb),.5);color:var(--brand);background:var(--brand-tint)}
.chip.accent{border-color:rgba(var(--brand-rgb),.5);color:var(--brand);background:var(--brand-tint)}
.chip.done{border-color:rgba(var(--mint-rgb),.45);color:var(--mint);background:rgba(var(--mint-rgb),.10)}
.chip.missed{border-color:rgba(var(--coral-rgb),.45);color:var(--coral);background:rgba(var(--coral-rgb),.10)}
.chip.risk{border-color:rgba(var(--sun-rgb),.45);color:var(--sun);background:rgba(var(--sun-rgb),.10)}
.chip.info{border-color:rgba(var(--sky-rgb),.45);color:var(--sky);background:rgba(var(--sky-rgb),.10)}
.chip.danger{border-color:rgba(var(--danger-rgb),.5);color:var(--danger);background:rgba(var(--danger-rgb),.10)}

/* ---------- progress ---------- */
.bar{height:8px;border-radius:99px;background:var(--surface-alt);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--brand);border-radius:99px;transition:width var(--t-base) ease}

/* ---------- stats ---------- */
.stat{background:var(--surface-alt);border-radius:var(--r-input);padding:var(--sp-3);text-align:center}
.stat .n{font-size:var(--fs-title);font-weight:300;line-height:1.2;font-variant-numeric:tabular-nums}
.stat .k{font-size:var(--fs-caption);color:var(--text-2);margin-top:2px}

/* ---------- list ---------- */
.item{display:flex;gap:var(--sp-3);align-items:center;padding:var(--sp-3) 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .num{width:28px;height:28px;border-radius:9px;background:var(--surface-alt);color:var(--text-2);font-size:var(--fs-caption);display:flex;align-items:center;justify-content:center;flex:none}
.item .grow{flex:1;min-width:0}
.item .t{font-weight:500}
.item .s{font-size:var(--fs-caption);color:var(--text-2)}

/* =========================================================
   COMPONENT · HabitCard — idle / done / missed / streak-at-risk
   ========================================================= */
.hcard{
  display:flex;gap:var(--sp-3);align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:var(--sp-4);margin-bottom:var(--sp-3);
}
.hcard.state-done{border-color:rgba(var(--mint-rgb),.35)}
.hcard.state-missed{border-color:rgba(var(--coral-rgb),.32);background:rgba(var(--coral-rgb),.05)}
.hcard.state-risk{border-color:rgba(var(--sun-rgb),.32)}
.hcard .check{
  width:48px;height:48px;flex:none;border-radius:14px;
  border:2px solid var(--line-strong);background:var(--surface-alt);
  color:var(--on-brand);display:flex;align-items:center;justify-content:center;
  cursor:pointer;padding:0;transition:background var(--t-base) ease,border-color var(--t-base) ease;
}
.hcard .check svg{width:22px;height:22px}
.hcard .check:active{transform:scale(.96)}
.hcard.state-done .check{background:var(--mint);border-color:var(--mint)}
.hcard.state-missed .check{border-color:var(--coral)}
.hcard .grow{flex:1;min-width:0}
.hcard .t{font-weight:500;font-size:var(--fs-body)}
.hcard.state-done .t{color:var(--text-2)}
.hcard .s{font-size:var(--fs-caption);color:var(--text-2);margin-top:2px}
.hcard .note{
  display:flex;align-items:flex-start;gap:6px;margin-top:var(--sp-2);
  font-size:var(--fs-caption);color:var(--text-2);
}
.hcard .note svg{width:14px;height:14px;flex:none;margin-top:3px}
.hcard.state-missed .note{color:var(--coral)}
.hcard.state-risk .note{color:var(--sun)}

/* =========================================================
   COMPONENT · WeekStrip — 7 ngày
   ========================================================= */
.weekstrip{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--sp-2);margin-top:var(--sp-3)}
.weekstrip .d{text-align:center}
.weekstrip .dot{
  width:100%;aspect-ratio:1/1;max-width:40px;margin:0 auto;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:var(--fs-caption);font-weight:600;font-variant-numeric:tabular-nums;
  background:var(--surface-alt);color:var(--text-2);border:1px solid var(--line);
}
.weekstrip .d.done .dot{background:var(--mint);color:var(--on-mint);border-color:transparent}
.weekstrip .d.missed .dot{background:transparent;border:1.5px dashed var(--coral);color:var(--coral)}
.weekstrip .d.rest .dot{background:var(--surface-alt);border:1px dashed var(--line-strong)}
.weekstrip .d.today .dot{border:2px solid var(--brand);box-shadow:0 0 0 3px var(--brand-tint)}
.weekstrip .d.future .dot{opacity:.4}
.weekstrip .lb{font-size:var(--fs-micro);font-weight:600;text-transform:uppercase;color:var(--text-2);margin-top:5px}
.weekstrip .d.today .lb{color:var(--brand)}

/* =========================================================
   COMPONENT · HeatmapCalendar — mint 5 bậc, lỡ = coral nhạt
   ========================================================= */
.heat{display:grid;grid-template-columns:repeat(14,1fr);gap:5px}
.heat .c{aspect-ratio:1/1;border-radius:5px;background:var(--surface-alt)}
.heat .c.l1{background:rgba(var(--mint-rgb),.28)}
.heat .c.l2{background:rgba(var(--mint-rgb),.48)}
.heat .c.l3{background:rgba(var(--mint-rgb),.70)}
.heat .c.l4{background:var(--mint)}
.heat .c.miss{background:rgba(var(--coral-rgb),.30)}
.heat .c.rest{background:var(--surface-alt);border:1px dashed var(--line-strong)}
.heat .c.future{background:transparent;border:1px solid var(--line)}
.heatlegend{display:flex;align-items:center;gap:var(--sp-2);margin-top:var(--sp-3);font-size:var(--fs-caption);color:var(--text-2)}
.heatlegend .sw{width:14px;height:14px;border-radius:4px;flex:none}

/* =========================================================
   COMPONENT · StreakBadge / MilestoneBadge
   ========================================================= */
.streakbadge{display:flex;align-items:center;gap:var(--sp-2)}
.streakbadge .n{font-size:var(--fs-display);font-weight:300;font-variant-numeric:tabular-nums;line-height:1;color:var(--sun)}
.streakbadge .u{font-size:var(--fs-caption);color:var(--text-2);white-space:nowrap}
.streakbadge .flame{width:26px;height:26px;color:var(--sun);align-self:center}
.milestone{
  display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:var(--r-chip);
  background:var(--brand-tint);border:1px solid rgba(var(--brand-rgb),.45);color:var(--brand);
  font-size:var(--fs-caption);font-weight:600;
}
.milestone svg{width:15px;height:15px}

/* =========================================================
   COMPONENT · CelebrationToast — milestone only, <=1.5s
   ========================================================= */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:60;
  background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(var(--brand-rgb),.5);border-radius:var(--r-card);
  padding:var(--sp-3) var(--sp-5);box-shadow:var(--sh-float);
  display:flex;align-items:center;gap:var(--sp-3);max-width:90vw;
  animation:toastIn var(--t-slow) ease both;
}
.toast .em{font-size:22px}
.toast .tx{font-size:var(--fs-body);font-weight:600}
.toast .sub{font-size:var(--fs-caption);color:var(--text-2);font-weight:400}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:55;overflow:hidden}
.confetti i{position:absolute;width:7px;height:12px;border-radius:2px;animation:fall 1.4s ease-in forwards}
@keyframes fall{0%{opacity:0;transform:translateY(-20px) rotate(0)}15%{opacity:1}100%{opacity:0;transform:translateY(90vh) rotate(540deg)}}

/* =========================================================
   COMPONENT · EmptyState (mascot Blob)
   ========================================================= */
.empty{text-align:center;padding:var(--sp-6) var(--sp-4)}
.empty .blob{width:96px;height:96px;margin:0 auto var(--sp-4)}
.empty h2{margin-bottom:var(--sp-2)}
.empty p{color:var(--text-2);font-size:var(--fs-body);max-width:300px;margin:0 auto var(--sp-4)}

/* =========================================================
   COMPONENT · SymptomScale — 5 mức, có icon + label + màu
   ========================================================= */
.scale{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--sp-2);margin-top:var(--sp-3)}
.scale button{
  min-height:74px;padding:var(--sp-2) 4px;border-radius:var(--r-input);
  border:1px solid var(--line-strong);background:var(--surface-alt);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:var(--fs-caption);color:var(--text-2);
}
.scale button .em{font-size:19px;line-height:1}
.scale button.on{border-color:var(--brand);background:var(--brand-tint);color:var(--text)}
.scale button.on .em{transform:scale(1.08)}

/* =========================================================
   COMPONENT · RedFlagCard (y khoa) — danger CHỈ cho rủi ro thật
   redflag ================================================= */
.redflag{
  background:rgba(var(--danger-rgb),.10);border:1px solid rgba(var(--danger-rgb),.42);
  border-radius:var(--r-card);padding:var(--sp-4);margin-bottom:var(--sp-3);
}
.redflag .hd{display:flex;align-items:center;gap:var(--sp-2);color:var(--danger);font-weight:600;font-size:var(--fs-body)}
.redflag .hd svg{width:20px;height:20px;flex:none}
.redflag ul{margin:var(--sp-3) 0 0;padding-left:20px;font-size:var(--fs-body)}
.redflag li{margin-bottom:var(--sp-1)}
.redflag .cta{
  margin-top:var(--sp-4);width:100%;min-height:56px;border-radius:var(--r-btn);
  background:var(--danger);color:var(--on-brand);font-weight:600;border:0;cursor:pointer;font-size:var(--fs-body);
}
.redflag .cta.sec{background:transparent;border:1px solid var(--line-strong);color:var(--text);margin-top:var(--sp-2);min-height:52px}

/* ---------- thông báo / cảnh báo nhẹ ---------- */
.notice{background:rgba(var(--sky-rgb),.10);border:1px solid rgba(var(--sky-rgb),.28);border-radius:var(--r-input);padding:var(--sp-3);font-size:var(--fs-caption);color:var(--text)}
.warnbox{background:rgba(var(--sun-rgb),.10);border:1px solid rgba(var(--sun-rgb),.30);border-radius:var(--r-input);padding:var(--sp-3);font-size:var(--fs-caption);color:var(--text)}
.softbox{background:var(--surface-alt);border-radius:var(--r-input);padding:var(--sp-3);font-size:var(--fs-caption);color:var(--text-2)}
.whybox{background:var(--brand-tint);border:1px solid rgba(var(--brand-rgb),.28);border-radius:var(--r-input);padding:var(--sp-3);margin-top:var(--sp-3)}
.whybox.ok{background:rgba(var(--mint-rgb),.08);border-color:rgba(var(--mint-rgb),.26)}
.whybox .small{margin-top:3px;font-size:var(--fs-caption)}

/* =========================================================
   COMPONENT · ProgressRing
   ========================================================= */
.player{text-align:center;padding:var(--sp-2) 0}
.ring{position:relative;width:232px;height:232px;margin:var(--sp-3) auto}
.ring svg{transform:rotate(-90deg)}
.ring .mid{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .sec{font-size:48px;font-weight:300;font-variant-numeric:tabular-nums;line-height:1}
.ring .ph{font-size:var(--fs-caption);color:var(--text-2);margin-top:var(--sp-2);font-weight:500}
.ringmin{width:96px;height:96px;margin:0 auto}
.ringmin svg{transform:rotate(-90deg)}
.ringmin .mid{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:var(--fs-heading);font-weight:400;font-variant-numeric:tabular-nums}
.ringmin{position:relative}

/* ---------- hình minh hoạ động tác ---------- */
.figwrap{margin:var(--sp-3) auto 0;width:100%;max-width:250px}
.figwrap.sm{max-width:200px;margin-top:var(--sp-3)}
.figwrap .fig{width:100%;height:auto;display:block}
.pfbar{transition:stroke var(--t-base) ease}
.pfbar-on{animation:pfbeat 1.8s ease-in-out infinite}
.pfpulse{animation:pfring 1.6s ease-out infinite;transform-origin:center}
.pfexpand{animation:pfbreathe 4s ease-in-out infinite;transform-origin:center}
@keyframes pfbeat{0%,100%{opacity:1}50%{opacity:.55}}
@keyframes pfring{0%{opacity:.55;transform:scale(.75)}70%{opacity:0;transform:scale(1.15)}100%{opacity:0;transform:scale(1.15)}}
@keyframes pfbreathe{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-4px) scale(1.12)}}
@media (prefers-reduced-motion:reduce){
  .pfbar-on,.pfpulse,.pfexpand,.toast i,.confetti i{animation:none}
}

/* ---------- chart ---------- */
.chart{display:flex;align-items:flex-end;gap:5px;height:88px}
.chart .b{flex:1;background:var(--surface-alt);border-radius:4px 4px 2px 2px;min-height:5px}
.chart .b.on{background:var(--mint)}
.chart .b.today{outline:1px solid var(--line-strong)}

/* ---------- nav (4 tab, target 48pt) ---------- */
.nav{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  background:var(--glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-top:1px solid var(--line);
  padding:var(--sp-2) var(--sp-2) calc(var(--sp-2) + env(safe-area-inset-bottom));
}
.nav .in{max-width:520px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.nav button{
  background:transparent;border:0;min-height:48px;padding:6px 2px;color:var(--text-2);
  font-size:var(--fs-micro);font-weight:600;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:12px;
}
.nav button.on{color:var(--brand)}
.nav .ic{width:22px;height:22px;display:block}

/* Tiến trình là tab được nhấn mạnh: nơi user thấy mình đã đi được bao xa */
.nav button em{display:none}
/* Tab đang mở = pill nhạt + chữ brand (giống nhau cho cả 4 tab).
   Tiến trình vẫn được nhấn (D-002) nhưng chỉ bằng icon màu brand — KHÔNG dùng nền,
   vì nền pill trước đây làm tab Tiến trình trông như đang được chọn khi user ở Hôm nay. */
.nav button.on{background:var(--brand-tint);font-weight:600}
.nav button.em:not(.on) .ic{color:var(--brand)}

/* ---------- bánh răng mở Cài đặt (góc trên) ---------- */
.iconbtn{
  flex:none;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-alt);border:1px solid var(--line);border-radius:12px;
  color:var(--text-2);cursor:pointer;padding:0;
}
.iconbtn .ic{width:20px;height:20px;display:block}
.iconbtn:active{transform:scale(.96)}

/* ---------- segmented control (2 nhánh trong 1 tab) ---------- */
.seg{
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
  background:var(--surface-alt);border:1px solid var(--line);border-radius:14px;
  padding:4px;margin-bottom:var(--sp-3);
}
.seg button{
  background:transparent;border:0;min-height:44px;border-radius:10px;
  font-family:inherit;font-size:var(--fs-caption);font-weight:600;color:var(--text-2);cursor:pointer;
}
.seg button.on{background:var(--brand);color:var(--on-brand)}

/* ---------- modal / sheet ---------- */
.sheet{position:fixed;inset:0;z-index:30;display:flex;align-items:flex-end;justify-content:center}
.sheet .backdrop{position:absolute;inset:0;background:rgba(15,23,42,.32)}
.sheet .box{
  position:relative;background:var(--surface);width:100%;max-width:520px;
  border-radius:22px 22px 0 0;padding:var(--sp-4) var(--sp-4) calc(var(--sp-5) + env(safe-area-inset-bottom));
  max-height:88vh;overflow:auto;animation:sheetUp var(--t-slow) ease both;
}
@keyframes sheetUp{from{transform:translateY(24px);opacity:.6}to{transform:translateY(0);opacity:1}}

input[type=text],input[type=time]{
  width:100%;min-height:52px;padding:var(--sp-3);border-radius:var(--r-input);
  border:1px solid var(--line-strong);background:var(--surface-alt);color:var(--text);
  font-size:var(--fs-body);font-family:inherit;
}
.langsw{display:flex;gap:var(--sp-2);margin-top:var(--sp-2)}
.langsw .btn{flex:1}
.hidden{display:none}

/* =========================================================
   COMPONENT · CheckRow — checklist hôm nay (routine + achievement)
   ========================================================= */
.checkrow{
  display:flex;align-items:center;gap:var(--sp-3);width:100%;text-align:left;
  background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:var(--sp-3) 0;cursor:pointer;color:var(--text);min-height:56px;font-family:inherit;
}
.checkrow:last-of-type{border-bottom:0}
.checkrow:active{transform:scale(.995)}
.checkrow .ckb{
  width:26px;height:26px;border-radius:50%;flex:none;
  border:1.6px solid var(--line-strong);display:flex;align-items:center;justify-content:center;
}
.checkrow .ckb svg{width:15px;height:15px;color:var(--on-mint)}
.checkrow.st-done .ckb{background:var(--mint);border-color:var(--mint)}
.checkrow.st-done .t{color:var(--text-2)}
.checkrow .grow{flex:1;min-width:0}
.checkrow .t{display:block;font-weight:500;font-size:var(--fs-body)}
.checkrow .s{display:block;font-size:var(--fs-caption);color:var(--text-2);margin-top:2px}
.tipbox{
  background:var(--brand-tint);border:1px solid rgba(var(--brand-rgb),.28);
  border-radius:var(--r-input);padding:var(--sp-3);margin:0 0 var(--sp-2);
}

/* =========================================================
   COMPONENT · BadgeGrid — kệ thành tích (mở = sun tint, chưa mở = mờ)
   ========================================================= */
.badgegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-2);margin-top:var(--sp-3)}
.badge{
  background:var(--surface-alt);border:1px solid transparent;border-radius:var(--r-input);
  padding:var(--sp-3) var(--sp-2);text-align:center;
  display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;
}
.badge .em{font-size:24px;line-height:1}
.badge .t{font-size:var(--fs-micro);font-weight:600;color:var(--text-2);line-height:1.35}
.badge.on{background:rgba(var(--sun-rgb),.10);border-color:rgba(var(--sun-rgb),.38)}
.badge.on .t{color:var(--text)}
.badge.off{opacity:.45}

/* =========================================================
   SCREEN · Learn — thư viện ~50 bài, lọc theo chủ đề
   ========================================================= */
.chiprow{
  display:flex;gap:var(--sp-2);overflow-x:auto;padding-bottom:var(--sp-2);margin-bottom:var(--sp-2);
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.chiprow::-webkit-scrollbar{display:none}
.chipbtn{
  flex:none;background:var(--surface-alt);border:1px solid var(--line);
  border-radius:999px;padding:10px 14px;min-height:44px;color:var(--text-2);
  font-size:var(--fs-caption);font-weight:600;font-family:inherit;cursor:pointer;white-space:nowrap;
}
.chipbtn.on{background:var(--brand-tint);border-color:var(--brand);color:var(--brand)}
.chipbtn .n{opacity:.6;font-weight:500}
.readrow{
  display:flex;align-items:flex-start;gap:var(--sp-2);width:100%;text-align:left;
  background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:var(--sp-3) 0;cursor:pointer;color:var(--text);font-family:inherit;min-height:56px;
}
.readrow:last-child{border-bottom:0}
.readrow:active{transform:scale(.995)}
.readrow .grow{flex:1;min-width:0}
.readrow .t{display:block;font-weight:600;font-size:var(--fs-body);line-height:1.35}
.readrow .s{display:block;font-size:var(--fs-caption);color:var(--text-2);margin-top:3px;line-height:1.45}
.readrow.done .t{color:var(--text-2);font-weight:500}
.body{font-size:var(--fs-body);line-height:1.68}

/* =========================================================
   SCREEN · Hold test — nhấn giữ để đo sức giữ tối đa
   ========================================================= */
.holdbtn{
  width:100%;min-height:76px;margin-top:var(--sp-3);border-radius:var(--r-btn);border:0;
  background:var(--brand);color:var(--on-brand);font-size:var(--fs-title);font-weight:600;
  cursor:pointer;font-family:inherit;touch-action:none;user-select:none;-webkit-user-select:none;
}
.holdbtn.holding{background:var(--mint);color:var(--on-mint)}
@media (prefers-reduced-motion:reduce){ .checkrow:active,.holdbtn:active,.iconbtn:active{transform:none} }

/* =========================================================
   SCREEN · Tài khoản · Paywall · Khôi phục giao dịch (D1–D7 web2app)
   Paywall: 3 gói dạng radio + ĐÚNG 1 nút chính (Continue).
   ========================================================= */
input[type=email]{
  width:100%;min-height:52px;padding:var(--sp-3);border-radius:var(--r-input);
  border:1px solid var(--line-strong);background:var(--surface-alt);color:var(--text);
  font-size:var(--fs-body);font-family:inherit;
}
input[type=email]:focus-visible,input[type=text]:focus-visible,input[type=time]:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.planrow{
  display:flex;align-items:center;gap:var(--sp-3);width:100%;text-align:left;
  background:var(--surface-alt);border:1.6px solid var(--line);border-radius:var(--r-btn);
  padding:var(--sp-3);margin-bottom:var(--sp-2);cursor:pointer;color:var(--text);
  font-family:inherit;min-height:56px;
}
.planrow:active{transform:scale(.995)}
.planrow.on{border-color:var(--brand);background:var(--brand-tint)}
.planrow .radio{
  width:24px;height:24px;border-radius:50%;flex:none;border:1.6px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
}
.planrow.on .radio{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.planrow .radio svg{width:14px;height:14px}
.planrow .grow{flex:1;min-width:0}
.planrow .t{display:block;font-weight:600;font-size:var(--fs-body);line-height:1.35}
.planrow .s{display:block;font-size:var(--fs-caption);color:var(--text-2);margin-top:2px}
.planrow .xs{display:block;margin-top:2px}
@media (prefers-reduced-motion:reduce){ .planrow:active{transform:none} }

/* Hàng cài đặt dạng "icon + nhãn + mũi tên" (T-006 · Nhắc tập) — target ≥48px */
.setrow{display:flex;align-items:center;gap:var(--sp-3);width:100%;min-height:56px;padding:0;
  background:none;border:0;color:var(--text);font:inherit;text-align:left;cursor:pointer}
.setrow .grow{display:flex;flex-direction:column;gap:2px}
.setrow .t{font-size:var(--fs-body);font-weight:600}
.setrow .s{font-size:var(--fs-caption);color:var(--text-2)}
.setrow .chev{font-size:24px;line-height:1;color:var(--text-2)}
.setrow:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:var(--r-input)}
/* T-010 · Pháp lý: hàng dạng link + danh sách trong sheet + link chữ ≥48px */
a.setrow{text-decoration:none}
.setlist .setrow + .setrow{border-top:1px solid var(--line)}
.legallink{display:inline-flex;align-items:center;min-height:48px;padding:0 var(--sp-2);font-size:var(--fs-caption);
  color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.legallink:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-input)}

/* =========================================================
   CLINICAL ETHEREAL — lớp nền & điểm nhấn (D-041, brief v2 §8.1)
   ========================================================= */
body[data-screen="session"]{background:var(--grad-aurora) fixed,var(--bg)}
body[data-screen="session"] .card,body[data-screen="session"] .btn:not(.primary){background:rgba(255,255,255,.62);border-color:var(--line-glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}
.card.hero{background:var(--grad-aurora-soft);border-color:var(--line-glass);position:relative;overflow:hidden}
.card.hero .stat{background:rgba(255,255,255,.6);border:1px solid var(--line-glass)}
.banner{background:var(--grad-aurora);border-radius:24px;padding:var(--sp-4);box-shadow:var(--sh-card);color:var(--text)}
.nav{box-shadow:var(--sh-float)}

/* ---------- IconBadge (brief §9.2) ---------- */
.ib{display:inline-flex;align-items:center;justify-content:center;flex:none;border-radius:32%;
  border:1px solid var(--line-glass);box-shadow:0 4px 12px rgba(100,120,200,.12);position:relative;overflow:hidden}
.ib::before{content:"";position:absolute;left:-10%;top:-20%;width:70%;height:50%;border-radius:50%;background:rgba(255,255,255,.55);filter:blur(6px)}
.ib svg{width:50%;height:50%;position:relative}
.ib.tone-blue{background:var(--tone-blue);color:var(--brand-strong)}
.ib.tone-mint{background:var(--tone-mint);color:var(--mint)}
.ib.tone-lavender{background:var(--tone-lavender);color:var(--lavender)}
.ib.tone-amber{background:var(--tone-amber);color:var(--sun)}
.ib.tone-blush{background:var(--tone-blush);color:var(--blush)}
.ib.round{border-radius:50%}

/* ---------- Cài đặt (D-042 — layout đã chốt) ---------- */
.backpill{display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 16px 0 10px;border-radius:999px;
  background:rgba(255,255,255,.6);border:1px solid var(--line-glass);color:var(--text);font-size:var(--fs-body);cursor:pointer}
.backpill svg{width:20px;height:20px}
.pagetitle{font-family:var(--font-display);font-weight:300;font-size:32px;line-height:1.15;margin:var(--sp-3) 0 var(--sp-4)}
.acctbanner{display:flex;align-items:center;gap:14px;padding:18px;border-radius:24px;background:var(--grad-aurora);box-shadow:var(--sh-card);margin-bottom:var(--sp-5)}
.acctbanner .av{width:52px;height:52px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.55);border:1px solid var(--line-glass);color:var(--text)}
.acctbanner .av svg{width:24px;height:24px}
.acctbanner .t{font-weight:500;font-size:18px}
.acctbanner .s{font-size:var(--fs-caption);color:var(--text)}
.acctbanner .go{flex:none;min-height:44px;padding:0 16px;border-radius:999px;border:0;background:rgba(255,255,255,.85);color:var(--brand-strong);font-weight:600;font-size:14px;cursor:pointer}
.setgroup{margin-bottom:var(--sp-5)}
.setgroup .gt{font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--text-2);margin:0 0 var(--sp-2) 4px}
.setcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden}
.setcard .setrow{padding:var(--sp-3) var(--sp-4);border:0;background:transparent;text-align:left;font-family:inherit;color:var(--text);cursor:pointer}
.setcard .setrow + .setrow{border-top:1px solid var(--line)}
.setcard .setrow .t{font-weight:400}
.setrow .val{font-size:15px;color:var(--text-2);flex:none}
.setrow .chev svg{width:18px;height:18px;display:block}
.setrow.danger-soft .t{color:var(--coral)}
.sw{width:51px;height:31px;border-radius:999px;background:var(--surface-alt);border:1px solid var(--line);position:relative;flex:none;transition:background var(--t-base) ease}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:25px;height:25px;border-radius:50%;background:var(--knob);box-shadow:0 2px 4px rgba(15,23,42,.15);transition:transform var(--t-base) ease}
.sw.on{background:var(--brand);border-color:var(--brand)}
.sw.on::after{transform:translateX(20px)}
.setfoot{font-size:var(--fs-caption);color:var(--text-2);margin:0 4px var(--sp-5)}

/* ---------- Chọn ngôn ngữ (D-043) ---------- */
.langrow{display:flex;align-items:center;gap:var(--sp-3);width:100%;min-height:56px;padding:var(--sp-3) var(--sp-4);border:0;background:transparent;text-align:left;font-family:inherit;color:var(--text);cursor:pointer}
.langrow + .langrow{border-top:1px solid var(--line)}
.langrow.on{background:var(--brand-tint)}
.langrow .nat{display:block;font-size:var(--fs-body)}
.langrow.on .nat{color:var(--brand);font-weight:500}
.langrow .en{display:block;font-size:var(--fs-caption);color:var(--text-2)}
.radio{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line-strong);flex:none;display:flex;align-items:center;justify-content:center;color:var(--on-brand)}
.langrow.on .radio{background:var(--brand);border-color:var(--brand)}
.radio svg{width:14px;height:14px}

/* ---------- biểu tượng (brief §9.3) ---------- */
.orb{width:40px;height:40px;border-radius:50%;flex:none;display:inline-flex;align-items:center;justify-content:center;
  background:var(--orb-fill);border:1px solid var(--line-glass);color:var(--orb-ink);
  box-shadow:0 0 0 6px var(--orb-glow)}
.orb svg{width:20px;height:20px}
.rings{position:absolute;left:50%;top:50%;width:300px;height:300px;transform:translate(-50%,-50%);pointer-events:none;z-index:0}
.rings i{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(255,255,255,.8);
  background:radial-gradient(circle,rgba(255,255,255,0) 55%,var(--ring-a) 100%);animation:breathe 4s ease-in-out infinite}
.rings i:nth-child(2){inset:18px;background:radial-gradient(circle,rgba(255,255,255,0) 55%,var(--ring-b) 100%);animation-delay:.2s}
.rings i:nth-child(3){inset:36px;background:radial-gradient(circle,rgba(255,255,255,0) 50%,var(--ring-c) 100%);animation-delay:.4s}
.rings.sm{width:170px;height:170px}
.rings.sm i:nth-child(2){inset:12px}.rings.sm i:nth-child(3){inset:24px}
@keyframes breathe{0%,100%{transform:scale(.92)}50%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.rings i{animation:none}}
.ring,.player .ringwrap{position:relative}
.ring>svg{position:relative;z-index:1}
.ring .mid{z-index:2}
.stattile{background:rgba(255,255,255,.7);border:1px solid var(--line-glass);border-radius:18px;padding:14px;box-shadow:var(--sh-card);text-align:left}
.stattile .ib{margin-bottom:8px}
.stattile .n{font-size:28px;font-weight:300;line-height:1.1;font-variant-numeric:tabular-nums}
.stattile .k{font-size:12px;color:var(--text-2);margin-top:2px}
.catchip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px 0 6px;border-radius:999px;border:1px solid var(--line-glass);background:rgba(255,255,255,.75);color:var(--text);font-family:inherit;font-size:14px;font-weight:500;white-space:nowrap;cursor:pointer;flex:none}
.catchip .n{font-weight:400;color:var(--text-2);font-size:13px}
.catchip.on{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.catchip.on .n{color:var(--on-brand)}
.chiprow .catchip.chipbtn{min-height:44px;padding:0 14px 0 6px}
.chiprow .catchip .ib{width:32px!important;height:32px!important}

/* HabitCard: hàng tag + hành động dưới nội dung (không chiếm cột phải) */
.hcard .hfoot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;flex-wrap:wrap}

/* =========================================================
   SCREEN · Learn v2 (28/09/2026) — bộ sưu tập, thumbnail, bài có cấu trúc
   ========================================================= */
.thumb{display:block;width:100%;height:100%}
.eyebrow{font-size:var(--fs-micro);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.ok{color:var(--mint)}
.lprog{display:flex;align-items:center;gap:var(--sp-3);margin:-6px 0 var(--sp-3)}
.lprog .xs{white-space:nowrap}
.lprog .bar{flex:1}
.bar.thin{height:4px}
.linkbtn{background:none;border:0;padding:8px 0 8px 8px;font:inherit;font-size:var(--fs-caption);font-weight:600;color:var(--brand);cursor:pointer;white-space:nowrap}

/* gợi ý hôm nay */
.feat{display:block;width:100%;text-align:left;padding:0;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);box-shadow:var(--sh-card);overflow:hidden;cursor:pointer;font:inherit;color:var(--text);margin:var(--sp-2) 0 var(--sp-3)}
.feat .ath{display:block;position:relative;aspect-ratio:16/10}
.feat .fbadge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--text);font-size:12px;font-weight:600;
  border-radius:999px;padding:5px 10px;box-shadow:0 2px 8px rgba(15,23,42,.08)}
.feat .fbody{display:flex;flex-direction:column;gap:4px;padding:var(--sp-4)}
.feat .ft{font-family:var(--font-display);font-size:22px;font-weight:400;line-height:1.22;letter-spacing:-.2px}
.feat .as,.arow .as{font-size:var(--fs-caption);color:var(--text-2);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.am{display:block;font-size:12px;color:var(--text-2);margin-top:2px}

/* thẻ chuẩn bị */
.prepcard{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3);border-radius:var(--r-card);
  background:rgba(var(--blush-rgb),.07);border:1px solid rgba(var(--blush-rgb),.2);margin-bottom:var(--sp-4)}
.prepcard .grow{flex:1;min-width:0}
.prepcard .btn{width:auto;flex:none;padding-inline:16px}

/* dải ngang theo bộ sưu tập */
.lsec{margin:var(--sp-5) 0 var(--sp-2)}
.lsh{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--sp-2);margin-bottom:var(--sp-3)}
.lsh h2{margin:0;font-family:var(--font-display);font-weight:400;font-size:21px}
.rail{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 calc(-1 * var(--sp-5));padding:2px var(--sp-5) 10px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;scroll-padding-inline:var(--sp-5)}
.rail::-webkit-scrollbar{display:none}
.acard{flex:none;width:208px;scroll-snap-align:start;display:flex;flex-direction:column;gap:6px;text-align:left;padding:0;
  background:none;border:0;cursor:pointer;font:inherit;color:var(--text)}
.acard .ath{display:block;width:100%;aspect-ratio:16/10;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(100,120,200,.12)}
.acard .at{font-weight:600;font-size:15px;line-height:1.32;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.acard.done .ath{opacity:.72}
.acard:active,.arow:active,.feat:active{transform:scale(.99)}

/* danh sách trong 1 bộ sưu tập */
.lhead{margin:var(--sp-2) 0 var(--sp-3)}
.lhead h2{font-family:var(--font-display);font-weight:400;font-size:24px;margin:0 0 2px}
.alist{display:flex;flex-direction:column}
.arow{display:flex;gap:var(--sp-3);align-items:flex-start;width:100%;text-align:left;padding:12px 0;border:0;border-bottom:1px solid var(--line);
  background:none;cursor:pointer;font:inherit;color:var(--text)}
.arow:last-child{border-bottom:0}
.arow .ath.sq{flex:none;width:76px;height:76px;border-radius:14px;overflow:hidden}
.arow .grow{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.arow .at{font-weight:600;font-size:15.5px;line-height:1.32}
.arow.done .at{color:var(--text-2)}
.arow.done .ath{opacity:.72}

/* bài đọc */
.readbar{position:fixed;top:0;left:0;right:0;height:3px;z-index:30;background:transparent}
.readbar i{display:block;height:100%;width:0;background:var(--brand);transition:width 80ms linear}
.ahero{aspect-ratio:16/10;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.atitle{font-size:30px;line-height:1.15;margin:6px 0 10px}
.alead{font-size:17px;line-height:1.55;color:var(--text-body);margin:0 0 var(--sp-4)}
.tldr{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:var(--sp-4);box-shadow:var(--sh-card);margin-bottom:var(--sp-2)}
.tldr ol{margin:8px 0 0;padding:0;list-style:none;counter-reset:t}
.tldr li{counter-increment:t;position:relative;padding:8px 0 8px 36px;font-size:15px;line-height:1.5;border-top:1px solid var(--line)}
.tldr li:first-child{border-top:0}
.tldr li::before{content:counter(t);position:absolute;left:0;top:8px;width:24px;height:24px;border-radius:50%;
  background:var(--brand-tint);color:var(--brand);font-weight:600;font-size:13px;display:grid;place-items:center}
.cl{font-size:var(--fs-micro);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-2);margin-bottom:4px}
.tldr .cl,.tldr .tl{font-size:var(--fs-micro);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.abody h2{font-family:var(--font-display);font-weight:400;font-size:22px;line-height:1.25;margin:28px 0 10px;color:var(--text)}
.abody p{font-size:17px;line-height:1.7;color:var(--text-body);margin:0 0 14px}
.abody strong{color:var(--text);font-weight:600}
.abody mark{background:linear-gradient(transparent 55%,rgba(var(--brand-rgb),.18) 55%);color:var(--text);padding:0 1px}
.abody ul{list-style:none;margin:0 0 14px;padding:0}
.abody li{position:relative;padding:0 0 0 22px;margin:0 0 10px;font-size:16.5px;line-height:1.6;color:var(--text-body)}
.abody li::before{content:"";position:absolute;left:4px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--brand);opacity:.75}
.callout{border-radius:16px;padding:14px 16px;margin:6px 0 16px;font-size:15.5px;line-height:1.6;color:var(--text)}
.callout.tip{background:rgba(var(--mint-rgb),.08);border:1px solid rgba(var(--mint-rgb),.24)}
.callout.tip .cl{color:var(--mint)}
.callout.warn{background:rgba(var(--sun-rgb),.08);border:1px solid rgba(var(--sun-rgb),.26)}
.callout.warn .cl{color:var(--sun)}
.keyq{margin:26px 0 8px;padding:22px 20px 20px;border-radius:var(--r-card);background:var(--grad-aurora-soft);border:1px solid var(--line-glass);
  font-family:var(--font-display);font-size:21px;line-height:1.38;color:var(--text);position:relative}
.keyq .cl{font-family:var(--font-ui);color:var(--brand)}
.keyq mark{background:none;color:var(--brand)}
.srcs{margin-top:18px;display:flex;flex-direction:column;gap:6px}
.srcs a{font-size:var(--fs-caption);color:var(--text-2);text-decoration:none;line-height:1.45}
.srcs a:hover{color:var(--brand)}