/* Layout concept: a quiet ascent. Dashboards read summary-first, and every course's progress is drawn as a rising staircase, like the book cover. */
:root{
  --bg:#F5F6F8; --surface:#FFFFFF; --surface-2:#ECEFF3; --sunk:#E4E8EE;
  --ink:#1F2A3A; --text:#2E3846; --muted:#5A6473; --line:#DFE3E9;
  --gold:#9A7440; --glow:#FFF5E1; --gold-soft:#F3E7D3;
  --band:#1F2A3A; --band-text:#DDE3EB; --band-muted:#A9B4C3;
  --btn-bg:#1F2A3A; --btn-fg:#FFFFFF; --btn-hover:#0F1722;
  --field:#FFFFFF; --field-line:#B4BCC8;
  --ok:#2C7656; --ok-bg:#E2F1E9; --warn:#8E5C10; --warn-bg:#FAEFD9; --bad:#A03A3A; --bad-bg:#F7E3E3;
  --r-learner:#2E6C84; --r-learner-bg:#E1EEF3; --r-parent:#8A6534; --r-parent-bg:#F4EADB; --r-teacher:#55599A; --r-teacher-bg:#E7E8F5;
  --av1:#2E6C84; --av2:#8A6534; --av3:#55599A; --av4:#2C7656; --av5:#A04F5E; --av6:#4F5B6B;
  --shadow:rgba(31,42,58,.14); --scrim:rgba(15,23,34,.55);
  --serif:'Cormorant Garamond','Cormorant',Garamond,'Times New Roman',serif;
  --sans:'Nunito Sans','Segoe UI',system-ui,-apple-system,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F1621; --surface:#172131; --surface-2:#1E2A3C; --sunk:#243246;
  --ink:#EEF1F5; --text:#D3DAE3; --muted:#9AA6B6; --line:#2A3649;
  --gold:#D4B07A; --glow:#2B2619; --gold-soft:#3A3122;
  --band:#1D2A3F; --band-text:#D5DBE4; --band-muted:#9AA6B6;
  --btn-bg:#EEF1F5; --btn-fg:#132033; --btn-hover:#FFFFFF;
  --field:#122030; --field-line:#44536A;
  --ok:#7CCBA3; --ok-bg:#183428; --warn:#E5B567; --warn-bg:#3A2C14; --bad:#EE9A9A; --bad-bg:#3E1E22;
  --r-learner:#8CC5DA; --r-learner-bg:#1B3340; --r-parent:#D9B27C; --r-parent-bg:#3A2E1D; --r-teacher:#AEB2EE; --r-teacher-bg:#272A4A;
  --av1:#3D84A0; --av2:#A27A45; --av3:#6A6FB8; --av4:#3A8E69; --av5:#B5606F; --av6:#617086;
  --shadow:rgba(0,0,0,.45); --scrim:rgba(0,0,0,.65);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0F1621; --surface:#172131; --surface-2:#1E2A3C; --sunk:#243246;
  --ink:#EEF1F5; --text:#D3DAE3; --muted:#9AA6B6; --line:#2A3649;
  --gold:#D4B07A; --glow:#2B2619; --gold-soft:#3A3122;
  --band:#1D2A3F; --band-text:#D5DBE4; --band-muted:#9AA6B6;
  --btn-bg:#EEF1F5; --btn-fg:#132033; --btn-hover:#FFFFFF;
  --field:#122030; --field-line:#44536A;
  --ok:#7CCBA3; --ok-bg:#183428; --warn:#E5B567; --warn-bg:#3A2C14; --bad:#EE9A9A; --bad-bg:#3E1E22;
  --r-learner:#8CC5DA; --r-learner-bg:#1B3340; --r-parent:#D9B27C; --r-parent-bg:#3A2E1D; --r-teacher:#AEB2EE; --r-teacher-bg:#272A4A;
  --av1:#3D84A0; --av2:#A27A45; --av3:#6A6FB8; --av4:#3A8E69; --av5:#B5606F; --av6:#617086;
  --shadow:rgba(0,0,0,.45); --scrim:rgba(0,0,0,.65);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15.5px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;color:var(--ink);text-wrap:balance}
p{margin:0}
a{color:var(--ink)}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid #6F8BB5;outline-offset:2px;border-radius:6px}
.serif{font-family:var(--serif);font-weight:500}
.muted{color:var(--muted)}
.small{font-size:13.5px}
.tiny{font-size:12px}
.eyebrow{font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:800;color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* buttons and fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:11px 18px;font-weight:700;font-size:14.5px;background:var(--btn-bg);color:var(--btn-fg);text-decoration:none;white-space:nowrap;transition:background .15s,transform .1s}
.btn:hover{background:var(--btn-hover)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.soft{background:var(--surface-2);color:var(--ink)}
.btn.soft:hover{background:var(--sunk)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn.danger{background:var(--bad-bg);color:var(--bad)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link{background:none;border:0;padding:0;color:var(--ink);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.lbl{font-size:13px;font-weight:700;color:var(--ink)}
.input,select.input,textarea.input{width:100%;font:inherit;font-size:15px;padding:11px 13px;border-radius:10px;border:1.5px solid var(--field-line);background:var(--field);color:var(--text)}
textarea.input{resize:vertical;min-height:80px}
.input:focus{outline:none;border-color:var(--ink)}
.err{color:var(--bad);font-size:13px;font-weight:600}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.ic{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* chips */
.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:800;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted);white-space:nowrap}
.chip.learner{background:var(--r-learner-bg);color:var(--r-learner)}
.chip.parent{background:var(--r-parent-bg);color:var(--r-parent)}
.chip.teacher{background:var(--r-teacher-bg);color:var(--r-teacher)}
.chip.ok{background:var(--ok-bg);color:var(--ok)}
.chip.warn{background:var(--warn-bg);color:var(--warn)}
.chip.bad{background:var(--bad-bg);color:var(--bad)}
.chip.gold{background:var(--gold-soft);color:var(--gold)}

/* avatar */
.av{display:inline-grid;place-items:center;border-radius:50%;color:#fff;font-weight:800;flex:none;letter-spacing:.02em}

/* staircase meter: the signature */
.stair{display:inline-flex;align-items:flex-end;gap:3px}
.stair i{display:block;width:7px;border-radius:2px 2px 1px 1px;background:var(--sunk)}
.stair i.on{background:var(--ink)}
.stair i.nx{background:var(--glow);box-shadow:inset 0 0 0 1.5px var(--gold)}
.stair.big{gap:5px;width:100%}
.stair.big i{flex:1;width:auto;border-radius:4px 4px 2px 2px}
.stair.done i.on{background:var(--gold)}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}
.auth-art{background:var(--band);color:var(--band-text);padding:48px clamp(24px,5vw,64px);display:flex;flex-direction:column;justify-content:space-between;gap:32px;position:relative;overflow:hidden}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.brand .eight{font-family:var(--serif);font-size:46px;line-height:.9;font-weight:500}
.brand .lg{font-family:var(--serif);font-size:17px;letter-spacing:.08em;font-weight:600;line-height:1.15}
.auth-art h1{font-family:var(--serif);font-weight:500;color:#fff;font-size:clamp(38px,4.6vw,60px);line-height:1.02;max-width:12ch}
.auth-art p{color:var(--band-muted);max-width:40ch}
.hero-stairs{display:flex;align-items:flex-end;gap:8px;height:150px;margin-top:8px}
.hero-stairs span{flex:1;background:linear-gradient(180deg,#2E3C52,#26334A);border-radius:6px 6px 0 0;position:relative}
.hero-stairs span:last-child{background:linear-gradient(180deg,#F6E3BF,#C9A36A)}
.hero-stairs span:last-child::after{content:"";position:absolute;inset:-40px -30px auto;height:90px;background:radial-gradient(closest-side,rgba(255,230,180,.45),transparent);pointer-events:none}
.role-row{display:flex;gap:8px;flex-wrap:wrap}
.role-row span{font-size:12.5px;font-weight:700;border:1px solid #3A4860;color:var(--band-text);padding:5px 11px;border-radius:999px}
.auth-main{display:flex;align-items:center;justify-content:center;padding:40px 16px}
.auth-card{width:100%;max-width:440px;display:flex;flex-direction:column;gap:20px}
.auth-card h2{font-family:var(--serif);font-weight:500;font-size:40px;line-height:1.05}
.demo-box{border:1.5px dashed var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px}
.demo-btn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.demo-btn:hover{border-color:var(--ink)}
.demo-btn b{color:var(--ink);display:block;font-size:14.5px}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12.5px;font-weight:700}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.su-steps{display:flex;align-items:flex-end;gap:6px}
.su-steps div{width:38px;border-radius:4px 4px 1px 1px;background:var(--sunk)}
.su-steps div.on{background:var(--ink)}
.role-cards{display:flex;flex-direction:column;gap:10px}
.role-card{display:flex;gap:14px;align-items:flex-start;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:16px}
.role-card:hover{border-color:var(--ink)}
.role-card .rc-ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none}
.role-card b{display:block;color:var(--ink);font-size:16px}
.pick-row{display:flex;gap:8px;flex-wrap:wrap}
.pick{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 13px;font-size:13.5px;font-weight:700;color:var(--text)}
.pick.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.swatch{width:34px;height:34px;border-radius:50%;border:3px solid transparent;box-shadow:0 0 0 1px var(--line)}
.swatch.on{border-color:var(--bg);box-shadow:0 0 0 2.5px var(--ink)}
@media (max-width:860px){
  .auth{grid-template-columns:1fr}
  .auth-art{padding:28px 16px;gap:18px}
  .auth-art h1{font-size:36px}
  .hero-stairs{height:70px}
  .auth-art .role-row{display:none}
}

/* ---------- app shell ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{max-width:1240px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px}
.top .brand{color:var(--ink)}
.top .brand .eight{font-size:36px}
.top .brand .lg{font-size:13.5px}
.nav{display:flex;gap:4px;margin-left:12px}
.nav button{display:inline-flex;align-items:center;gap:7px;background:none;border:0;padding:9px 13px;border-radius:9px;font-weight:700;font-size:14.5px;color:var(--muted)}
.nav button:hover{background:var(--surface-2);color:var(--ink)}
.nav button[aria-current="page"]{background:var(--surface-2);color:var(--ink)}
.top-right{margin-left:auto;display:flex;align-items:center;gap:10px;position:relative}
.icon-btn{position:relative;width:40px;height:40px;border-radius:10px;border:0;background:none;display:grid;place-items:center;color:var(--ink)}
.icon-btn:hover{background:var(--surface-2)}
.dot{position:absolute;top:6px;right:5px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:var(--bad);color:#fff;font-size:10.5px;font-weight:800;display:grid;place-items:center;border:2px solid var(--surface)}
.me-btn{display:flex;align-items:center;gap:9px;background:none;border:0;padding:4px 6px;border-radius:10px}
.me-btn:hover{background:var(--surface-2)}
.me-btn .who{text-align:left;line-height:1.2}
.me-btn .who b{display:block;color:var(--ink);font-size:14px}
.pop{position:absolute;right:0;top:48px;width:min(360px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px var(--shadow);padding:8px;z-index:40}
.pop h4{font-size:14px;padding:8px 10px}
.notif{display:flex;gap:10px;padding:10px;border-radius:10px;font-size:13.5px}
.notif.unread{background:var(--glow)}
.notif .ic{margin-top:2px;color:var(--gold)}
.menu-item{display:flex;align-items:center;gap:10px;width:100%;background:none;border:0;padding:10px;border-radius:9px;font-weight:700;font-size:14px;text-align:left;color:var(--ink)}
.menu-item:hover{background:var(--surface-2)}
main{max-width:1240px;margin:0 auto;padding:28px 16px 120px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(32px,4vw,46px);line-height:1.05}
.page-head p{margin-top:6px}
.bnav{display:none}
@media (max-width:820px){
  .nav{display:none}
  .me-btn .who{display:none}
  .bnav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:25;background:var(--surface);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px))}
  .bnav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:0;font-size:11.5px;font-weight:700;color:var(--muted);padding:6px}
  .bnav button[aria-current="page"]{color:var(--ink)}
  main{padding-bottom:170px}
}

/* layout blocks */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
@media (max-width:1020px){.cols{grid-template-columns:minmax(0,1fr)}}
.stack{display:flex;flex-direction:column;gap:22px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;min-width:0}
.panel-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.panel-h h3{font-size:16.5px;font-weight:800}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}
.sec-h h2{font-family:var(--serif);font-weight:600;font-size:27px}

/* learner hero */
.hero{background:var(--band);color:var(--band-text);border-radius:20px;padding:26px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;background:radial-gradient(closest-side,rgba(246,227,191,.22),transparent);pointer-events:none}
.hero h2{color:#fff;font-family:var(--serif);font-weight:500;font-size:clamp(28px,3.4vw,40px);line-height:1.05;margin:6px 0 4px}
.hero .eyebrow{color:var(--band-muted)}
.hero .stair i{background:#33425A}
.hero .stair i.on{background:#E9D3A8}
.hero .stair i.nx{background:#4A5A73;box-shadow:inset 0 0 0 1.5px #E9D3A8}
.hero .btn{background:#fff;color:#132033}
.hero .btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px #4A5A73}
.hero-side{display:flex;flex-direction:column;align-items:flex-end;gap:6px;text-align:right}
.hero-side .big{font-family:var(--serif);font-size:56px;line-height:.9;color:#fff}
@media (max-width:640px){.hero{grid-template-columns:1fr}.hero-side{align-items:flex-start;text-align:left}}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.stat b{display:block;font-family:var(--serif);font-size:34px;font-weight:600;line-height:1.05;color:var(--ink)}
.stat span{font-size:12.5px;font-weight:700;color:var(--muted)}

/* course cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.ccard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0}
.ccard h3{font-size:16.5px;line-height:1.3;font-weight:800}
.ccard .meta{display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.ccard .foot{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.ccard.complete{background:linear-gradient(180deg,var(--glow),var(--surface) 60%)}
.crow{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:14px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}
.crow:first-child{border-top:0;padding-top:4px}
.crow h4{font-size:15px;font-weight:800}
@media (max-width:600px){.crow{grid-template-columns:minmax(0,1fr) auto}.crow .acts{grid-column:1/-1}}

/* badges */
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.badge{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;font-size:11.5px;font-weight:700;color:var(--muted);line-height:1.25}
.badge .b-ic{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);color:var(--muted)}
.badge.on{color:var(--ink)}
.badge.on .b-ic{background:var(--gold-soft);color:var(--gold);box-shadow:0 0 0 2px var(--gold)}

/* week bars */
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;align-items:end;height:110px}
.week div{display:flex;flex-direction:column;align-items:center;gap:5px;height:100%;justify-content:flex-end}
.week .bar{width:100%;max-width:26px;border-radius:5px 5px 2px 2px;background:var(--sunk);min-height:4px}
.week .bar.has{background:var(--r-learner)}
.week .today .bar.has{background:var(--gold)}
.week small{font-size:11px;font-weight:700;color:var(--muted)}
.week .today small{color:var(--ink)}

/* messages */
.msg{display:flex;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.msg:first-child{border-top:0;padding-top:0}
.msg p{font-size:14px}
.banner{display:flex;gap:14px;align-items:center;background:var(--glow);border:1px solid var(--gold-soft);border-radius:14px;padding:14px 16px;flex-wrap:wrap}
.banner .ic{color:var(--gold)}
.banner p{flex:1;min-width:200px}

/* parent */
.kids{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.kid{display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:5px 16px 5px 5px;font-weight:800;color:var(--ink)}
.kid[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.kid.add{padding:5px 16px;border-style:dashed;color:var(--muted)}
.child-head{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.child-head .facts{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}
.fact b{display:block;font-family:var(--serif);font-size:26px;line-height:1;color:var(--ink);font-weight:600}
.fact span{font-size:12px;font-weight:700;color:var(--muted)}
.starter{background:var(--surface-2);border-radius:12px;padding:14px;font-family:var(--serif);font-size:21px;line-height:1.25;color:var(--ink)}
.quick{display:flex;flex-wrap:wrap;gap:6px}
.quick button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 10px;font-size:12.5px;font-weight:700;color:var(--text)}
.quick button:hover{border-color:var(--ink)}
.req{display:flex;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line);flex-wrap:wrap}
.req:first-of-type{border-top:0}

/* teacher */
.classes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tbl-wrap{position:relative;overflow-x:auto;margin:0 -20px;padding:0 20px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:620px}
th{text-align:left;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:800;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
.who-cell{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink)}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;font-size:20px;letter-spacing:.08em;color:var(--ink)}
.seats{height:10px;border-radius:5px;background:var(--sunk);overflow:hidden}
.seats div{height:100%;background:var(--ink)}
.insight{display:flex;gap:12px;align-items:flex-start;background:var(--glow);border-radius:14px;padding:14px 16px}
.insight .ic{color:var(--gold);margin-top:2px}
.shout{display:flex;align-items:center;gap:10px;padding:8px 0}
.shout .rank{font-family:var(--serif);font-size:24px;width:20px;color:var(--gold)}

/* catalog */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.cat-card .price{font-family:var(--serif);font-size:26px;font-weight:600;color:var(--ink);line-height:1}
.cat-card .units{font-size:12.5px;font-weight:700;color:var(--muted)}

/* modal */
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:60;display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px 24px;overflow-y:auto}
.modal{background:var(--surface);border-radius:18px;width:100%;max-width:560px;padding:24px;display:flex;flex-direction:column;gap:18px;box-shadow:0 30px 60px var(--shadow)}
.modal.wide{max-width:720px}
.modal-h{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.modal-h h2{font-family:var(--serif);font-weight:500;font-size:32px;line-height:1.05}
.opt{display:flex;gap:12px;align-items:center;width:100%;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:11px 13px}
.opt:hover:not([disabled]){border-color:var(--ink)}
.opt.on{border-color:var(--ink);background:var(--surface-2)}
.opt[disabled]{opacity:.5;cursor:not-allowed}
.opt .box{width:20px;height:20px;border-radius:6px;border:2px solid var(--field-line);display:grid;place-items:center;flex:none}
.opt.radio .box{border-radius:50%}
.opt.on .box{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.opt .grow{flex:1;min-width:0}
.opt b{color:var(--ink)}
.opts{display:flex;flex-direction:column;gap:8px;max-height:300px;overflow-y:auto;padding:2px}
.summary{background:var(--surface-2);border-radius:12px;padding:14px;display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.summary b.total{font-family:var(--serif);font-size:30px;font-weight:600;color:var(--ink)}
.proto-note{font-size:12.5px;color:var(--muted);display:flex;gap:6px;align-items:center}
.tabs{display:flex;gap:4px;background:var(--surface-2);padding:4px;border-radius:10px}
.tabs button{flex:1;background:none;border:0;padding:8px;border-radius:8px;font-weight:700;font-size:13.5px;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px var(--shadow)}
.cert{border:2px solid var(--gold);border-radius:14px;padding:30px 22px;text-align:center;background:linear-gradient(180deg,var(--glow),var(--surface));display:flex;flex-direction:column;gap:10px;align-items:center}
.cert .nm{font-family:var(--serif);font-size:42px;line-height:1;color:var(--ink)}
.cred{background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:13.5px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.cred code{font-weight:800;color:var(--ink);font-size:14px}

/* prototype bar + toast */
.proto{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--band);color:var(--band-text);border-radius:14px;padding:8px 10px 8px 14px;display:flex;gap:8px;align-items:center;box-shadow:0 14px 30px var(--shadow);max-width:calc(100vw - 32px);flex-wrap:nowrap;overflow-x:auto;white-space:nowrap}
.proto .lab{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--gold)}
.proto button{background:#2A374B;color:#E6EBF1;border:0;border-radius:8px;padding:6px 10px;font-size:12.5px;font-weight:700}
.proto button[aria-pressed="true"]{background:#F1E2C6;color:#1F2A3A}
.proto button.rs{background:transparent;color:var(--band-muted);text-decoration:underline}
@media (max-width:820px){.proto{bottom:calc(70px + env(safe-area-inset-bottom,0px));padding:5px;gap:4px;flex-wrap:nowrap;overflow-x:auto;border-radius:12px}.proto .lab{display:none}.proto button{padding:6px 9px;flex:none}}
.toast{position:fixed;left:50%;top:calc(76px + env(safe-area-inset-top,0px));transform:translateX(-50%);z-index:80;background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:12px;font-weight:700;font-size:14px;box-shadow:0 12px 26px var(--shadow);width:max-content;max-width:calc(100vw - 32px);display:flex;gap:8px;align-items:center}
.player{position:fixed;inset:0;z-index:70;background:var(--bg);display:flex;flex-direction:column}
.player-bar{display:flex;align-items:center;gap:12px;padding:calc(8px + env(safe-area-inset-top,0px)) 16px 8px;background:var(--band);color:var(--band-text)}
.player-bar .btn{background:#fff;color:#132033}
.player-bar .ghost-dark{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px #4A5A73}
.player-bar .ghost-dark:hover{background:#2A374B}
@media (max-width:600px){.player-bar .hb-l{display:none}}
.player-bar .ttl{flex:1;min-width:0;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-bar .who{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--band-muted)}
.player iframe{flex:1;width:100%;border:0;background:var(--bg)}
@media (max-width:600px){.player-bar .who span{display:none}}
.demo-bar{background:var(--gold-soft);color:var(--ink);font-size:13.5px;padding:8px 16px;display:flex;gap:10px 16px;align-items:center;justify-content:center;flex-wrap:wrap;text-align:center}
.demo-bar b{font-weight:800}
.demo-bar button{background:var(--ink);color:var(--bg);border:0;border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:800}
.demo-card{background:var(--surface);border:1.5px solid var(--gold);border-radius:18px;padding:20px;margin-bottom:22px;display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:760px){.demo-card{grid-template-columns:minmax(0,1fr)}}
.demo-card h2{font-family:var(--serif);font-weight:600;font-size:26px;line-height:1.1}
.dtask{display:flex;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.dtask:first-child{border-top:0;padding-top:0}
.dtask .ck{width:26px;height:26px;border-radius:50%;border:2px solid var(--field-line);display:grid;place-items:center;flex:none;color:var(--bg)}
.dtask.done .ck{background:var(--ok);border-color:var(--ok)}
.dtask.done .lbl{color:var(--muted);text-decoration:line-through}
.dtask .lbl{flex:1;min-width:0;font-weight:700;color:var(--ink);font-size:14.5px}
.meter{height:8px;border-radius:4px;background:var(--sunk);overflow:hidden;margin-top:10px}.meter div{height:100%;background:var(--gold)}
.role-pick{display:flex;flex-direction:column;gap:10px}
.role-pick .role-card[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink);background:var(--surface-2)}
.stars{display:flex;gap:6px}
.stars button{width:44px;height:44px;border-radius:10px;border:1.5px solid var(--line);background:var(--surface);font-size:22px;color:var(--muted);line-height:1}
.stars button.on{background:var(--gold-soft);border-color:var(--gold);color:var(--gold)}
details.more{border-top:1px solid var(--line);padding-top:12px}
details.more summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:14px}
.empty{border:1.5px dashed var(--line);border-radius:16px;padding:28px;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center}
.empty h3{font-family:var(--serif);font-weight:600;font-size:26px}
@media (prefers-reduced-motion:no-preference){
  .toast{animation:tin .25s ease-out}
  @keyframes tin{from{opacity:0;transform:translate(-50%,-8px)}}
  .modal.anim{animation:min .2s ease-out}
  @keyframes min{from{opacity:0;transform:translateY(10px)}}
}

/* loading */
.loading{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--muted)}
.spinner{width:42px;height:42px;border-radius:50%;border:4px solid var(--line);border-top-color:var(--gold,#c9a227);animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}
.preview-bar{background:#2b2118;color:#f6e7c8;font-size:13px;text-align:center;padding:6px 12px}
.preview-bar button{background:none;border:0;color:#fff;text-decoration:underline;cursor:pointer;font:inherit}