/* ==========================================================================
   BOSTON STUDY HUB ACADEMY — design system (base / dark palette)
   ========================================================================== */
:root{
  --ink:#E9EEF8;            /* main text colour; alias of --text, used by pathway.css and app-games.js */
  --bg:#070A11;
  --bg-2:#0A0E17;
  --panel:#0E1420;
  --panel-2:#121A28;
  --panel-3:#161F30;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --text:#E9EEF8;
  --dim:#95A3BC;
  --dim-2:#6B7A93;
  --mint:#5EEAD4;
  --mint-2:#2DD4BF;
  --mint-soft:rgba(94,234,212,.12);
  --amber:#FBBF24;
  --amber-soft:rgba(251,191,36,.13);
  --rose:#FB7185;
  --rose-soft:rgba(251,113,133,.13);
  --violet:#A78BFA;
  --violet-soft:rgba(167,139,250,.13);
  --sky:#60A5FA;
  --sky-soft:rgba(96,165,250,.13);
  --r-lg:18px;
  --r-md:13px;
  --r-sm:9px;
  --shadow:0 18px 46px -22px rgba(0,0,0,.9);
  --font:'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --display:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,'Times New Roman',serif;
  --mono:'Cascadia Code',Consolas,'SF Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 82% -8%, rgba(94,234,212,.10), transparent 62%),
    radial-gradient(760px 520px at 4% 2%, rgba(96,165,250,.09), transparent 60%),
    radial-gradient(700px 700px at 60% 110%, rgba(167,139,250,.07), transparent 60%);
}
body::after{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}
::selection{background:rgba(94,234,212,.28);color:#fff}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:600;letter-spacing:-.015em}
p{margin:0 0 .85em}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--mint);color:#04120F;padding:8px 14px;border-radius:8px}

/* ---------------- layout ---------------- */
.app{display:grid;grid-template-columns:266px minmax(0,1fr);min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
  padding:20px 14px 14px;gap:10px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,20,32,.92),rgba(8,11,18,.96));
  backdrop-filter:blur(12px);
  z-index:40;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 14px}
.mark{color:var(--mint);display:grid;place-items:center;filter:drop-shadow(0 0 14px rgba(94,234,212,.35))}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-family:var(--display);font-size:20px;letter-spacing:.2px}
.brand-txt span{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim-2)}

.nav{display:flex;flex-direction:column;gap:2px}
.nav-label{margin:14px 10px 5px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim-2);font-weight:600}
.nav a{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;
  color:var(--dim);font-size:13.6px;font-weight:500;transition:.16s;position:relative;
}
.nav a .ico{width:18px;text-align:center;font-size:13px;opacity:.75}
.nav a:hover{background:rgba(255,255,255,.045);color:var(--text)}
.nav a.active{background:linear-gradient(90deg,rgba(94,234,212,.15),rgba(94,234,212,.03));color:#fff}
.nav a.active .ico{color:var(--mint);opacity:1}
.nav a.active::before{content:'';position:absolute;left:-14px;top:8px;bottom:8px;width:2.5px;border-radius:2px;background:var(--mint)}
.side-foot{margin-top:auto;padding-top:14px;display:flex;flex-direction:column;gap:8px}
.target-card{
  border:1px solid var(--line);border-radius:var(--r-md);padding:11px 12px;
  background:linear-gradient(150deg,rgba(94,234,212,.09),rgba(255,255,255,.02));
}
.target-card .tc-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.target-card .tc-k{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim-2)}
.target-card .tc-band{font-family:var(--display);font-size:26px;color:var(--mint);line-height:1}
.target-card .tc-sub{font-size:11.5px;color:var(--dim);margin-top:4px}
.target-card .tc-bar{height:4px;border-radius:4px;background:rgba(255,255,255,.08);margin-top:9px;overflow:hidden}
.target-card .tc-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--mint-2),var(--mint));border-radius:4px}

.main{min-width:0;display:flex;flex-direction:column;min-height:100vh}
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;
  padding:12px 34px;border-bottom:1px solid var(--line);
  background:rgba(7,10,17,.78);backdrop-filter:blur(14px);
}
.crumbs{font-size:12.5px;color:var(--dim);display:flex;gap:8px;align-items:center;letter-spacing:.02em}
.crumbs b{color:var(--text);font-weight:500}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.streak{
  display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--dim);
  border:1px solid var(--line);padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.02);
}
.streak b{color:var(--amber)}
.hamburger{display:none;font-size:18px;padding:6px 9px;border:1px solid var(--line);border-radius:8px}
#view{padding:30px 34px 60px;max-width:1240px;width:100%;margin:0 auto;outline:none}
.foot{
  margin-top:auto;padding:16px 34px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:11.5px;color:var(--dim-2);
}

/* ---------------- primitives ---------------- */
.eyebrow{font-size:10.5px;letter-spacing:.19em;text-transform:uppercase;color:var(--mint);font-weight:700;margin-bottom:9px}
.view-head{margin-bottom:26px}
.view-head h1{font-family:var(--display);font-size:clamp(27px,3.4vw,40px);font-weight:500;letter-spacing:-.02em;margin-bottom:8px}
.view-head h1 em{font-style:italic;color:var(--mint)}
.view-head p{color:var(--dim);max-width:70ch;font-size:14.5px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-2-1{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.g-1-2{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}
.mt{margin-top:18px}.mt-s{margin-top:10px}.mb{margin-bottom:18px}

.card{
  background:linear-gradient(170deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.card.tight{padding:15px}
.card.flat{box-shadow:none;background:var(--panel)}
.card-h{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
.card-h h3{font-size:15px;font-weight:600}
.card-h .sub{font-size:12px;color:var(--dim-2);margin-top:2px}
.hoverable{transition:transform .18s, border-color .18s}
.hoverable:hover{transform:translateY(-2px);border-color:var(--line-2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 16px;border-radius:9px;font-size:13.5px;font-weight:600;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  transition:.15s;white-space:nowrap;
}
.btn:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.22)}
.btn-primary{background:linear-gradient(135deg,var(--mint),#38E0C4);color:#03130F;border-color:transparent}
.btn-primary:hover{filter:brightness(1.08);background:linear-gradient(135deg,var(--mint),#38E0C4)}
.btn-amber{background:linear-gradient(135deg,var(--amber),#F59E0B);color:#1A1204;border-color:transparent}
.btn-ghost{background:transparent}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:7px}
.btn-lg{padding:12px 22px;font-size:14.5px}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.danger{color:var(--rose);border-color:rgba(251,113,133,.3)}

.pill{
  display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;
  font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  border:1px solid var(--line-2);color:var(--dim);background:rgba(255,255,255,.03);
}
.pill.mint{color:var(--mint);border-color:rgba(94,234,212,.32);background:var(--mint-soft)}
.pill.amber{color:var(--amber);border-color:rgba(251,191,36,.3);background:var(--amber-soft)}
.pill.rose{color:var(--rose);border-color:rgba(251,113,133,.3);background:var(--rose-soft)}
.pill.violet{color:var(--violet);border-color:rgba(167,139,250,.3);background:var(--violet-soft)}
.pill.sky{color:var(--sky);border-color:rgba(96,165,250,.3);background:var(--sky-soft)}
.pill.dim{color:var(--dim-2)}

.prog{height:6px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden}
.prog i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--mint-2),var(--mint));transition:width .5s}
.prog.amber i{background:linear-gradient(90deg,#F59E0B,var(--amber))}

.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-family:var(--display);font-size:30px;font-weight:500;line-height:1.05;letter-spacing:-.01em}
.stat span{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--dim-2);font-weight:600}
.stat small{font-size:11.5px;color:var(--dim)}

.note{
  border-left:2px solid var(--mint);background:linear-gradient(90deg,rgba(94,234,212,.07),transparent);
  padding:10px 14px;border-radius:0 8px 8px 0;font-size:13.5px;color:#C6D3E4;
}
.note.amber{border-color:var(--amber);background:linear-gradient(90deg,rgba(251,191,36,.08),transparent)}
.note.rose{border-color:var(--rose);background:linear-gradient(90deg,rgba(251,113,133,.08),transparent)}

.empty{
  border:1px dashed var(--line-2);border-radius:var(--r-md);padding:26px;text-align:center;color:var(--dim);
  font-size:13.5px;background:rgba(255,255,255,.015);
}
.kbd{font-family:var(--mono);font-size:11.5px;background:rgba(255,255,255,.07);padding:1px 6px;border-radius:5px;border:1px solid var(--line)}

/* ---------------- rings ---------------- */
.ring{position:relative;display:grid;place-items:center}
.ring svg{transform:rotate(-90deg);overflow:visible}
.ring .rv{position:absolute;text-align:center;line-height:1.05}
.ring .rv b{font-family:var(--display);font-size:23px;font-weight:500;display:block}
.ring .rv span{font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim-2);font-weight:700}
.skill-panel{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 10px;border-radius:var(--r-md);background:rgba(255,255,255,.018);border:1px solid var(--line)}
.skill-panel .lbl{font-size:11.5px;font-weight:600;color:var(--dim)}
.skill-panel .delta{font-size:10.5px;color:var(--dim-2)}

/* ---------------- hero ---------------- */
.hero{
  position:relative;border-radius:22px;padding:30px 30px 26px;overflow:hidden;
  border:1px solid var(--line);
  background:
    radial-gradient(600px 300px at 88% -20%, rgba(94,234,212,.20), transparent 60%),
    radial-gradient(500px 280px at 10% 120%, rgba(96,165,250,.14), transparent 60%),
    linear-gradient(160deg,#101828,#0A0F19 60%);
  box-shadow:var(--shadow);
}
.hero::after{
  content:'';position:absolute;right:-40px;top:-70px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(94,234,212,.16);
}
.hero .h-eyebrow{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mint);font-weight:700}
.hero h1{font-family:var(--display);font-size:clamp(28px,3.6vw,44px);font-weight:500;letter-spacing:-.02em;margin:8px 0 6px}
.hero h1 em{font-style:italic;color:var(--mint)}
.hero .h-sub{color:#B7C4D8;font-size:14.5px;max-width:58ch}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.hero-side{display:flex;gap:14px;align-items:center}
.hero-band{text-align:center}
.hero-band b{display:block;font-family:var(--display);font-size:46px;line-height:1;color:var(--mint)}
.hero-band span{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim-2)}

/* ---------------- week cards ---------------- */
.week{
  border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(170deg,var(--panel),var(--bg-2));
  overflow:hidden;transition:.18s;
}
.week:hover{border-color:var(--line-2)}
.week.open{border-color:rgba(94,234,212,.25)}
.week-head{display:flex;gap:14px;align-items:center;padding:15px 18px;cursor:pointer}
.week-num{
  font-family:var(--display);font-size:15px;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--dim);flex:0 0 auto;
}
.week.done .week-num{background:var(--mint-soft);border-color:rgba(94,234,212,.3);color:var(--mint)}
.week-title{flex:1;min-width:0}
.week-title b{display:block;font-size:14.5px;font-weight:600}
.week-title span{font-size:12px;color:var(--dim-2)}
.week-body{display:none;padding:0 18px 18px;border-top:1px solid var(--line);margin-top:-1px}
.week.open .week-body{display:block}
.session{
  display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.05);
  font-size:13.4px;
}
.session:last-child{border-bottom:0}
.session .day{width:34px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim-2);font-weight:700}
.session .stype{font-size:9.5px;padding:1.5px 7px;border-radius:5px;background:rgba(255,255,255,.05);color:var(--dim);text-transform:uppercase;letter-spacing:.08em}
.session a{color:var(--text);text-decoration:none;border-bottom:1px solid transparent}
.session a:hover{border-color:var(--mint);color:var(--mint)}
.session .tick{margin-left:auto;color:var(--mint);font-size:12px;opacity:0}

/* ---------------- lessons ---------------- */
/* .lesson-list is a plain bulleted/numbered list (styled in pathway.css); rows sit in their own grids. */
.lesson-row{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);
  border-radius:var(--r-md);background:var(--panel);cursor:pointer;transition:.15s;
}
.lesson-row:hover{border-color:var(--line-2);background:var(--panel-2);transform:translateX(2px)}
.lesson-row .ln{font-family:var(--mono);font-size:11px;color:var(--dim-2);width:26px}
.lesson-row.done{border-color:rgba(94,234,212,.22)}
.lesson-row.done .ln{color:var(--mint)}

.prose{max-width:78ch}
.prose h2{font-family:var(--display);font-size:clamp(24px,3vw,33px);font-weight:500;margin-bottom:10px;letter-spacing:-.02em}
.prose h3{font-size:16px;margin:26px 0 8px;color:#fff}
.prose h4{font-size:13.5px;margin:20px 0 6px;color:var(--mint);letter-spacing:.02em}
.prose p{color:#C3CFDF;font-size:14.6px;line-height:1.72}
.prose ul,.prose ol{color:#C3CFDF;padding-left:20px;font-size:14.4px}
.prose li{margin-bottom:7px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.2px}
.prose th,.prose td{border:1px solid var(--line);padding:8px 11px;text-align:left;vertical-align:top}
.prose th{background:rgba(255,255,255,.04);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.prose td{color:#C3CFDF}
.prose tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.err-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.err-list li{display:flex;gap:10px;font-size:13.6px;color:#C3CFDF;padding-bottom:8px;border-bottom:1px dashed rgba(255,255,255,.05)}
.err-list li::before{content:'✕';color:var(--rose);font-weight:700;flex:0 0 auto;margin-top:1px}
.steps{display:grid;gap:16px;counter-reset:st}
.step{position:relative;padding-left:0}
.step h4{color:#fff;font-size:14px;margin:0 0 5px;display:flex;gap:9px;align-items:baseline}
.step h4 .sn{
  font-family:var(--mono);font-size:10px;color:var(--mint);border:1px solid rgba(94,234,212,.3);
  border-radius:5px;padding:0 5px;flex:0 0 auto;
}
.step p{color:#B9C6D8;font-size:14.2px;margin:0}

/* ---------------- questions ---------------- */
.qcard{border:1px solid var(--line);border-radius:var(--r-md);padding:15px 16px;background:var(--panel);margin-bottom:10px}
.qcard .qh{display:flex;gap:10px;font-size:14px;margin-bottom:10px}
.qcard .qn{font-family:var(--mono);font-size:11px;color:var(--dim-2);padding-top:2px}
.opts{display:grid;gap:6px}
.opt{
  display:flex;align-items:flex-start;gap:9px;padding:8px 11px;border:1px solid var(--line);
  border-radius:8px;cursor:pointer;font-size:13.4px;transition:.12s;background:rgba(255,255,255,.012);
}
.opt:hover{border-color:var(--line-2);background:rgba(255,255,255,.04)}
.opt input{accent-color:var(--mint);margin-top:3px}
.opt.sel{border-color:rgba(94,234,212,.4);background:var(--mint-soft)}
.opt.correct{border-color:rgba(94,234,212,.55);background:rgba(94,234,212,.1)}
.opt.wrong{border-color:rgba(251,113,133,.5);background:var(--rose-soft)}
.gap-input{
  width:100%;max-width:320px;background:#080C14;border:1px solid var(--line-2);border-radius:7px;
  padding:7px 10px;font-size:13.5px;outline:none;transition:.15s;
}
.gap-input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(94,234,212,.1)}
.gap-input.ok{border-color:var(--mint);color:var(--mint)}
.gap-input.no{border-color:var(--rose);color:var(--rose)}
.explain{
  margin-top:9px;padding:9px 12px;border-radius:7px;font-size:12.8px;
  background:rgba(96,165,250,.08);border-left:2px solid var(--sky);color:#BCCCE0;display:none;
}
.explain.show{display:block}
.explain b{color:var(--mint)}

/* ---------------- reader ---------------- */
.passage{
  font-family:var(--display);font-size:16px;line-height:1.78;color:#D3DCEA;
  background:#0A0F18;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;
  max-height:62vh;overflow-y:auto;
}
.passage .para{margin-bottom:16px;position:relative;padding-left:26px}
.passage .para .pl{
  position:absolute;left:0;top:1px;font-family:var(--mono);font-size:11px;color:var(--mint);
  border:1px solid rgba(94,234,212,.25);border-radius:4px;padding:0 4px;
}
.passage .para.hl{background:rgba(251,191,36,.09);border-radius:6px;box-shadow:0 0 0 6px rgba(251,191,36,.09)}

/* ---------------- timer ---------------- */
.timerbar{display:flex;align-items:center;gap:14px;padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:var(--panel);width:fit-content}
.timer{font-family:var(--mono);font-size:19px;letter-spacing:.04em;color:var(--mint);min-width:74px}
.timer.warn{color:var(--amber)}
.timer.danger{color:var(--rose);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}

/* ---------------- editor ---------------- */
.editor{
  width:100%;min-height:340px;resize:vertical;background:#080C14;border:1px solid var(--line-2);
  border-radius:var(--r-md);padding:16px 18px;font-size:14.6px;line-height:1.75;outline:none;
  font-family:var(--font);
}
.editor:focus{border-color:rgba(94,234,212,.45);box-shadow:0 0 0 3px rgba(94,234,212,.07)}
.wc{font-family:var(--mono);font-size:12px;color:var(--dim)}
.wc b{color:var(--mint)}
.wc b.low{color:var(--amber)}

.scoreband{
  display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:var(--r-md);
  border:1px solid rgba(94,234,212,.3);background:linear-gradient(135deg,rgba(94,234,212,.12),rgba(94,234,212,.02));
}
.scoreband b{font-family:var(--display);font-size:38px;line-height:1;color:var(--mint)}
.scoreband .lbl{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim-2)}

/* ---------------- speaking ---------------- */
.cuecard{
  border:1px solid var(--line-2);border-radius:16px;padding:24px;background:
   linear-gradient(170deg,#151E2E,#0D131E);position:relative;overflow:hidden;
}
.cuecard::before{content:'';position:absolute;inset:0;background:radial-gradient(400px 200px at 100% 0,rgba(167,139,250,.16),transparent 60%)}
.cuecard .cc-tag{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--violet);font-weight:700}
.cuecard h3{font-family:var(--display);font-size:24px;font-weight:500;margin:8px 0 14px;position:relative}
.cuecard ul{margin:0;padding-left:18px;color:#C7D3E4;font-size:14px}
.cuecard li{margin-bottom:5px}
.rec{display:inline-flex;align-items:center;gap:8px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--rose);box-shadow:0 0 0 0 rgba(251,113,133,.5)}
.rec.on .dot{animation:pulse 1.1s infinite}

/* ---------------- tables ---------------- */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{padding:9px 11px;border-bottom:1px solid var(--line);text-align:left}
.tbl th{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim-2);font-weight:700}
.tbl td{color:#C5D1E1}
.tbl tr:hover td{background:rgba(255,255,255,.02)}
.tbl .num{font-family:var(--mono);font-size:12.5px}

/* ---------------- forms ---------------- */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:13px}
.field label{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim-2);font-weight:600}
.input,select.input,textarea.input{
  background:#080C14;border:1px solid var(--line-2);border-radius:8px;padding:9px 11px;
  font-size:13.8px;outline:none;transition:.15s;width:100%;
}
.input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(94,234,212,.08)}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B7A93'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center}
input[type=range]{accent-color:var(--mint);width:100%}
.seg{display:flex;gap:0;border:1px solid var(--line-2);border-radius:9px;overflow:hidden;width:fit-content}
.seg button{padding:7px 13px;font-size:12.5px;color:var(--dim);border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--mint-soft);color:var(--mint);font-weight:600}

/* ---------------- charts ---------------- */
.chart{width:100%;height:auto;max-height:330px;display:block}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11.5px;color:var(--dim);margin-top:8px}
.legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px}

/* ---------------- modal / toast ---------------- */
.modal{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;
  background:rgba(3,6,11,.72);backdrop-filter:blur(6px);
}
.modal[hidden]{display:none}
.modal-card{
  width:min(620px,100%);max-height:88vh;overflow-y:auto;background:linear-gradient(170deg,#121A28,#0A0F18);
  border:1px solid var(--line-2);border-radius:20px;padding:26px;box-shadow:0 30px 90px -30px #000;
  animation:pop .2s ease;
}
@keyframes pop{from{transform:translateY(8px) scale(.99);opacity:0}}
.modal-card h2{font-family:var(--display);font-size:24px;font-weight:500;margin-bottom:6px}
.modal-card .m-sub{color:var(--dim);font-size:13.5px;margin-bottom:18px}
.modal-x{position:absolute;right:18px;top:16px;color:var(--dim);font-size:18px}
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:#12202B;border:1px solid rgba(94,234,212,.35);color:#DFF7F1;padding:10px 18px;border-radius:10px;
  font-size:13px;z-index:120;transition:.25s;box-shadow:0 16px 40px -12px #000;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------------- misc ---------------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.quote{font-family:var(--display);font-style:italic;font-size:17px;color:#D7E2F0;border-left:2px solid var(--amber);padding-left:16px;margin:14px 0}
.tag-cloud{display:flex;gap:6px;flex-wrap:wrap}
.mini{font-size:11.5px;color:var(--dim-2)}
.hr{height:1px;background:var(--line);margin:18px 0;border:0}
.checkline{display:flex;gap:9px;align-items:flex-start;font-size:13.4px;color:#C3CFDF;padding:6px 0}
.checkline input{accent-color:var(--mint);margin-top:3px}
.answer-key{font-family:var(--mono);font-size:12px;color:var(--mint);background:rgba(94,234,212,.07);padding:2px 7px;border-radius:5px}

@media (max-width:1180px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-2-1,.g-1-2{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:980px){
  .app{grid-template-columns:minmax(0,1fr)}
  .sidebar{
    position:fixed;left:0;top:0;bottom:0;width:272px;transform:translateX(-104%);
    transition:transform .25s;box-shadow:0 0 60px #000;
  }
  .sidebar.open{transform:none}
  .hamburger{display:block}
  .topbar{padding:10px 16px}
  #view{padding:20px 16px 50px}
  .foot{padding:14px 16px}
  .hero{padding:22px}
  .g3,.split{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .g2,.g4{grid-template-columns:minmax(0,1fr)}
  .skills{grid-template-columns:repeat(2,minmax(0,1fr))}
  .view-head h1{font-size:26px}
  .topbar-right .btn{display:none}
}
@media print{
  .sidebar,.topbar,.foot,.hero-actions,.no-print{display:none!important}
  .app{display:block}
  body{background:#fff;color:#111}
  .card,.week,.qcard{border-color:#ddd;background:#fff;box-shadow:none}
  #view{padding:0;max-width:none}
  .prose p,.prose li,.step p{color:#222}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto!important}
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important;
    transition-duration:.01ms!important;transition-delay:0s!important;scroll-behavior:auto!important;
  }
}