:root{
  color-scheme:dark;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bg:#0e131c;--surface:#172032;--surface-2:#1d2840;
  --line:#2c3950;--line-soft:#25314a;
  --text:#eaf0fa;--text-2:#a9b8d0;--text-3:#8fa0bb;
  --accent:#7fb0ff;
  /* no-repeat over a matching base colour keeps the gradient seamless past the viewport. */
  background:#0d1220 linear-gradient(180deg,#0e131c 0%,#101827 60%,#0d1220 100%) no-repeat;color:var(--text);
}
*{box-sizing:border-box}
body{margin:0;padding:14px;min-height:100vh}
main{max-width:760px;margin:auto;min-width:0}
main,section,p,h1,h2,h3,dd,button{overflow-wrap:anywhere;min-width:0}
[hidden]{display:none!important}

/* header */
header{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{flex:0 0 auto;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2b4a80,#1c2c4c);border:1px solid #3d5680;
  color:#cfe0ff;font-size:13px;font-weight:700;letter-spacing:.5px}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-title{font-size:16.5px;font-weight:650;letter-spacing:.2px}
.brand-sub{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-3)}
#identity{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;font-size:14.5px;line-height:1.5}
.identity-name{font-weight:600}
.identity-role{padding:3px 9px;border-radius:999px;border:1px solid #3a4f76;background:#1b2942;color:#bdd4ff;font-size:12.5px}
.identity-id{color:var(--text-2);font-size:13.5px;font-variant-numeric:tabular-nums}

h1{font-size:23px;margin:18px 0 6px;letter-spacing:-.2px}
h2{font-size:16px;margin:22px 0 8px;letter-spacing:.3px;color:var(--text-2);text-transform:uppercase;font-weight:650}
h3{font-size:16.5px;margin:0}
p{line-height:1.5}
.notice{margin:12px 0 0;padding:10px 12px;border:1px solid var(--line-soft);border-radius:9px;background:#141d2e;color:var(--text-2);font-size:13.5px;line-height:1.5}
.empty{color:var(--text-2);background:var(--surface);border:1px dashed var(--line);border-radius:12px;padding:16px;text-align:center;margin:10px 0}
#message{margin:10px 0 0;font-size:14.5px;color:var(--text-2);min-height:0}
#message.ok{color:#8fe3b8}
#message.warn{color:#f3b774}

/* controls */
button{font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;min-height:44px;cursor:pointer;max-width:100%;white-space:normal;overflow-wrap:anywhere}
button:hover{background:#26334f}
button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button:disabled{opacity:.5;cursor:default}
button[aria-current="page"]{border-color:#4d7ac0;background:#22355a;color:#dce9ff}
nav{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:14px 0 4px}
nav button:last-child:nth-child(odd){grid-column:1/-1}
nav button{padding:10px;min-height:44px;font-size:14.5px}
.back{margin:12px 0 0;background:transparent;border-color:transparent;padding:8px 4px;color:var(--text-2);min-height:40px}
.back:hover{background:transparent;color:var(--text)}
#retryBtn{margin-top:14px}
.primary{width:100%;margin-top:12px;background:#27508f;border-color:#3f6cb5;color:#eaf2ff;font-weight:600}
.primary:hover{background:#2d5ca3}

/* dashboard */
.today-date{margin:0 0 14px;color:var(--text-2);font-size:14.5px;line-height:1.45}
.today-date::first-letter{text-transform:uppercase}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.stat{background:var(--surface);border:1px solid var(--line-soft);border-radius:12px;padding:11px;display:flex;flex-direction:column;gap:4px}
.stat-label{font-size:11.5px;letter-spacing:.2px;line-height:1.3;color:var(--text-2);text-transform:uppercase}
.stat-value{font-size:24px;font-weight:700;line-height:1.1}

/* lesson card */
.lesson,.next{display:block;width:100%;text-align:left;margin:10px 0;padding:14px;
  background:var(--surface);border:1px solid var(--line-soft);border-radius:14px}
.lesson:hover{background:#1b2536;border-color:var(--line)}
.next{background:linear-gradient(160deg,#1b2942,#161f31);border-color:#33456a}
.lesson-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.lesson-time{font-size:21px;font-weight:700;letter-spacing:.2px;font-variant-numeric:tabular-nums}
.hero-time{font-size:25px;font-weight:700;font-variant-numeric:tabular-nums}
.lesson-date{margin-top:5px;font-size:13.5px;line-height:1.45;color:var(--text-2)}
.lesson-date::first-letter{text-transform:uppercase}
.lesson-course{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:8px}
.lesson-language{font-size:16.5px;font-weight:600}
.lesson-level{flex:0 0 auto;padding:2px 9px;border-radius:7px;background:#23324f;border:1px solid #3a4e76;
  color:#cadcff;font-size:13.5px;font-weight:650}
.lesson-note{margin-top:7px;font-size:14.5px;line-height:1.45;color:var(--text-2)}
.lesson-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;
  padding-top:10px;border-top:1px solid var(--line-soft)}
.people{font-size:14.5px;color:var(--text-2);font-variant-numeric:tabular-nums}
.chevron{color:var(--text-3);font-size:24px;line-height:1}

/* badges */
.badge{flex:0 0 auto;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap;border:1px solid}
.badge-ok{background:#14331f;border-color:#2f7a4f;color:#9ce4b8}
.badge-warn{background:#352a12;border-color:#8a6a24;color:#f2cd93}
.badge-info{background:#18294a;border-color:#3b5d95;color:#b1cdf8}
.badge-bad{background:#3a1c1f;border-color:#96484d;color:#f2b3b6}
.badge-mute{background:#222b3c;border-color:#3b4760;color:#b6c2d6}
.badge-live{background:#14331f;border-color:#3d8f5f;color:#a9ebc4}

/* lesson details */
.hero{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:15px;margin-top:6px}
.details{display:grid;grid-template-columns:minmax(92px,auto) minmax(0,1fr);gap:9px 14px;margin:14px 0 0;
  padding-top:13px;border-top:1px solid var(--line-soft);font-size:15.5px;line-height:1.45}
dt{color:var(--text-2);font-size:14.5px}
dd{margin:0}
.section-head{display:flex;align-items:center;gap:9px;margin-top:22px}
.section-head h2{margin:0}
.pill{padding:3px 10px;border-radius:999px;background:#22304c;border:1px solid #3a4c72;color:#c8daf7;font-size:13.5px;font-weight:650}

/* attendance summary */
.summary{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 4px}
.chip{padding:5px 11px;border-radius:999px;font-size:14px;border:1px solid;white-space:nowrap}
.chip-ok{background:#14311f;border-color:#2c6f49;color:#9ee0b9}
.chip-bad{background:#341b1e;border-color:#8d4449;color:#eeaeb1}
.chip-mute{background:#212a3a;border-color:#39465d;color:#b3bfd3}
.chip-now{background:#14311f;border-color:#3d8f5f;color:#a9ebc4;font-weight:600}

/* history */
.history-link{width:100%;margin-top:14px;background:transparent;border-color:var(--line);color:var(--text-2)}
.history-link:hover{background:#1b2536;color:var(--text)}
.day-done{display:flex;flex-direction:column;align-items:center;gap:4px}
.day-done-text{margin:0}
.day-done .history-link{width:auto;min-width:140px;margin-top:8px}
.history-day{margin-top:18px}
.history-day::first-letter{text-transform:uppercase}

/* lesson timing */
.lesson.is-past{opacity:.55}
.lesson.is-now{border-color:#3d8f5f;background:#182a22}
.next-live{background:linear-gradient(160deg,#17301f,#15211c);border-color:#3d8f5f}

/* students */
.students{margin-top:6px}
.student{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:13px;margin:10px 0}
.student-head{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.avatar{flex:0 0 auto;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-size:15.5px;font-weight:700;letter-spacing:.3px;border:1px solid rgba(255,255,255,.14)}
.avatar-0{background:#2b4570;color:#d3e3ff}
.avatar-1{background:#2f5350;color:#c9ece6}
.avatar-2{background:#4a3a63;color:#e0d2f5}
.avatar-3{background:#5a4227;color:#f6ddbe}
.avatar-4{background:#33506b;color:#d2e7fb}
.avatar-5{background:#4d3547;color:#f2d5e6}
.student-info{flex:1 1 140px;min-width:0}
.student-name{font-size:16.5px;font-weight:600;line-height:1.35}
/* Telegram ID stays secondary to the name, but a teacher must read it without effort. */
.student-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:4px 0 0;
  font-size:14px;line-height:1.5;color:var(--text-2);font-variant-numeric:tabular-nums}
.student-user{color:var(--text-2)}
.student-id{white-space:nowrap;letter-spacing:.2px}
.actions{display:flex;gap:8px;margin-top:11px}
.att{flex:1 1 0;min-width:0;font-size:15.5px;font-weight:600;padding:11px 8px;background:#1b2436;border-color:#31405c;color:var(--text-2)}
.att:hover{background:#212c42}
.att-present.is-active{background:#17422e;border-color:#2f9e6a;color:#b6f2d3}
.att-present.is-active:hover{background:#1a4c35}
.att-absent.is-active{background:#43222a;border-color:#bd5c66;color:#ffcfd4}
.att-absent.is-active:hover{background:#4d2830}

/* demo coins */
.coins{margin-top:12px;padding-top:11px;border-top:1px solid var(--line-soft)}
.coins-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.coins-label{font-size:11.5px;letter-spacing:.4px;text-transform:uppercase;color:var(--text-3)}
.coins-value{font-size:19px;font-weight:700;color:#ffd166;font-variant-numeric:tabular-nums}
.coin-entries{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.coin-entry{padding:3px 9px;border-radius:999px;border:1px solid #4a3f22;background:#2a2415;color:#f0d9a1;font-size:12.5px}
.coin-actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.coin-preset{flex:1 1 60px;min-width:60px;padding:9px 6px;min-height:42px;font-size:14.5px;font-weight:600;
  background:#241f12;border-color:#5a4a23;color:#f4d68d}
.coin-preset:hover{background:#2e2716}
.coin-other{flex:1 1 84px;background:#1b2436;border-color:#31405c;color:var(--text-2);font-weight:500}
.coin-form{margin-top:10px;padding:11px;border:1px solid #4a3f22;border-radius:12px;background:#1a1b18}
.coin-form-who{margin:0 0 9px;font-size:13.5px;line-height:1.45;color:var(--text-2)}
.coin-chips{display:flex;flex-wrap:wrap;gap:6px}
.coin-reasons{margin-top:9px}
.coin-chip{padding:7px 11px;min-height:38px;border-radius:999px;font-size:13.5px;background:#1d2536;border-color:#33405a;color:var(--text-2)}
.coin-chip.is-active{background:#3a2f16;border-color:#a8832f;color:#ffdf9e;font-weight:600}
.coin-input{flex:1 1 84px;min-width:74px;min-height:38px;padding:7px 10px;border-radius:10px;border:1px solid #33405a;
  background:#141b29;color:var(--text);font:inherit;font-size:14.5px}
.coin-note{width:100%;margin-top:9px}
.coin-input::placeholder{color:var(--text-3)}
.coin-status{margin:9px 0 0;min-height:0;font-size:13.5px;line-height:1.45;color:var(--text-2)}
.coin-status:empty{display:none}
.coin-status.is-error{color:#ffb4a8}
.coin-notice{margin:8px 0 0;font-size:13px;color:#9fe3b8}
.coin-entry-debit{border-color:#3a4459;background:#1b2130;color:var(--text-2)}
.coin-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.coin-controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px}
.coin-confirm{flex:1 1 170px;width:auto;margin-top:0}
.coin-cancel{flex:0 0 auto;background:transparent;border-color:#33405a;color:var(--text-2)}

/* zoom */
.zoom{margin-top:20px;padding:13px;border:1px solid var(--line-soft);border-radius:12px;background:#141d2e}
.zoom-label{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-2)}
.zoom-note{margin:7px 0 0;font-size:14.5px;line-height:1.45;color:var(--text-2)}
.link{display:block;text-align:center;text-decoration:none;border-radius:10px;padding:12px;min-height:44px}

@media (max-width:360px){
  body{padding:11px}
  .avatar{width:40px;height:40px;font-size:14px}
  .lesson-time{font-size:19.5px}
  .stat-value{font-size:21px}
  .stat{padding:10px 9px}
  .stat-label{font-size:10.5px}
  .att{font-size:14.5px;padding:10px 6px}
  .student-meta{font-size:13.5px}
}
@media (min-width:560px){nav{grid-template-columns:repeat(5,1fr)}nav button:last-child:nth-child(odd){grid-column:auto}}
@media (min-width:768px){
  body{padding:22px}
  h1{font-size:26px}
  .students{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .student{margin:0}
}

/* history: roster numbers of a past lesson */
.history-facts{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.fact{padding:3px 9px;border-radius:999px;border:1px solid #3a4459;background:#1b2130;color:var(--text-2);font-size:13px;white-space:nowrap}
.fact-ok{background:#14311f;border-color:#2c6f49;color:#9ee0b9}
.fact-bad{background:#341b1e;border-color:#8d4449;color:#eeaeb1}
.fact-coins{background:#241f12;border-color:#5a4a23;color:#f4d68d}
.open-history{margin-left:auto;font-size:13.5px;color:var(--accent)}
.day-note{margin:8px 0 0;font-size:13.5px;color:var(--text-2)}
.former{margin-top:8px}
.former-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 12px;margin:8px 0;padding:10px 12px;
  border:1px dashed var(--line);border-radius:12px}
.former-who{display:flex;flex-direction:column;gap:2px;min-width:0}
.former-what{font-size:13.5px;color:var(--text-2)}
.student-granted{margin:9px 0 0;font-size:13.5px;color:#f0d9a1}

/* the owner's entry and the admin shell */
.admin-entry{display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:100%;margin:8px 0 0;text-align:left;
  background:#1c1f2a;border-color:#4d4430;color:var(--text)}
.admin-entry:hover{background:#232737}
.admin-entry-title{font-weight:650}
.admin-entry-note{font-size:12.5px;color:var(--text-3)}
.owner-badge{padding:2px 8px;border-radius:999px;border:1px solid #8a6f33;background:#2f2716;color:#f0d59a;
  font-size:11.5px;font-weight:700;letter-spacing:.6px}
.count-badge{margin-left:auto;padding:2px 9px;border-radius:999px;border:1px solid #a86a2a;background:#3a2612;color:#ffd2a1;font-size:12.5px;font-weight:600}
.admin-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px}
.admin-title{display:flex;align-items:center;gap:9px;min-width:0}
.admin-title h1{margin:14px 0 6px}
.admin-exit{background:transparent;border-color:var(--line);color:var(--text-2);min-height:40px;padding:8px 12px}
.admin-session{margin:0 0 10px;font-size:13px;color:var(--text-3)}
.admin-tabs{display:flex;gap:6px;overflow-x:auto;padding:2px 0 6px;margin:0 0 6px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.admin-tab{flex:0 0 auto;white-space:nowrap;min-height:40px;padding:8px 12px;font-size:14px}
.tab-count{margin-left:6px;padding:1px 7px;border-radius:999px;background:#5a3a14;color:#ffd9a8;font-size:12px;font-weight:700}
.admin-section{margin-top:6px}
.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:8px}
.admin-card{display:flex;flex-direction:column;gap:6px;text-align:left;padding:12px;background:var(--surface);
  border:1px solid var(--line-soft);border-radius:14px}
.admin-card:hover{background:#1b2536}
.admin-card-alert{border-color:#8a6a24;background:#211d14}
.admin-card-title{font-size:12px;letter-spacing:.4px;text-transform:uppercase;color:var(--text-2);font-weight:650}
.admin-card-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.admin-card-label{font-size:13px;color:var(--text-2)}
.admin-card-value{font-size:20px;font-variant-numeric:tabular-nums}
.kpi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.kpi{display:flex;flex-direction:column;gap:3px;padding:11px;background:var(--surface);border:1px solid var(--line-soft);border-radius:12px;min-width:0}
.kpi-label{font-size:11.5px;letter-spacing:.2px;line-height:1.3;text-transform:uppercase;color:var(--text-2)}
.kpi-value{font-size:21px;font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums}
.kpi-sub{font-size:12.5px;color:var(--text-3);line-height:1.35}
.bars{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.bar-row{display:grid;grid-template-columns:minmax(84px,38%) minmax(0,1fr) auto;align-items:center;gap:8px;font-size:13.5px}
.bar-label{color:var(--text-2);min-width:0}
.bar-track{height:8px;border-radius:999px;background:#1b2436;overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:999px;background:#4d7ac0}
.bar-mute{background:#3b4760}
.bar-value{font-variant-numeric:tabular-nums;color:var(--text)}
.language-blocks{display:grid;gap:10px}
.language-block{padding:12px;background:var(--surface);border:1px solid var(--line-soft);border-radius:12px}
.language-block h3{font-size:15px;margin:0}
.filter-row{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0}
.filter-chip{min-height:38px;padding:7px 11px;border-radius:999px;font-size:13.5px;background:#1d2536;border-color:#33405a;color:var(--text-2)}
.filter-chip.is-active{background:#22355a;border-color:#4d7ac0;color:#dce9ff;font-weight:600}
.admin-count{margin:10px 0 4px;font-size:13.5px;color:var(--text-2)}
.admin-list{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.admin-search{display:flex;gap:8px;margin-top:8px}
.admin-input{flex:1 1 auto;min-width:0;min-height:44px;padding:10px 12px;border-radius:10px;border:1px solid #33405a;
  background:#141b29;color:var(--text);font:inherit;font-size:15px}
.admin-input::placeholder{color:var(--text-3)}
.admin-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.admin-action{background:var(--surface-2)}
.user-row{display:flex;align-items:center;gap:11px;width:100%;text-align:left;padding:11px;background:var(--surface);
  border:1px solid var(--line-soft);border-radius:14px}
.user-info{display:flex;flex-direction:column;gap:2px;flex:1 1 auto;min-width:0}
.user-name{font-size:16px}
.user-sub{font-size:13px;color:var(--text-3)}
.user-coins{flex:0 0 auto;color:#ffd166;font-weight:700;font-variant-numeric:tabular-nums}
.user-card{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px;padding:13px;background:var(--surface);
  border:1px solid var(--line-soft);border-radius:14px}
.user-card .details{width:100%;margin-top:4px}
.user-title{margin:0;font-size:19px;color:var(--text);text-transform:none;letter-spacing:0}
.wallet{display:flex;flex-direction:column;gap:10px}
.admin-form{padding:11px;border:1px solid #33405a;border-radius:12px;background:#161d2b}
.admin-form .coin-input{width:100%;margin-top:8px}
.confirm-title{margin:0 0 8px;font-weight:600}
.link-row{width:100%;text-align:left;background:transparent;border-color:var(--line-soft);font-size:14px}
.log-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:9px 11px;background:var(--surface);
  border:1px solid var(--line-soft);border-radius:10px;font-size:13.5px}
.log-what{min-width:0}
.log-when{flex:0 0 auto;font-size:12.5px;color:var(--text-3)}
.tx-amount{font-weight:700;color:#f4d68d}
.tx-minus{color:var(--text-2)}
.report-card,.referral-card{display:flex;flex-direction:column;gap:6px;width:100%;text-align:left;padding:12px;
  background:var(--surface);border:1px solid var(--line-soft);border-radius:14px}
.report-card:hover{background:#1b2536}
.report-number{font-size:16px}
.report-meta{margin:0;font-size:13.5px;line-height:1.45;color:var(--text-2)}
.report-text{margin:0;white-space:pre-wrap;line-height:1.5}
.clamp{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.report-ids{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.id-chip{padding:2px 8px;border-radius:999px;border:1px solid #3a4459;background:#1b2130;color:var(--text-2);font-size:12px;overflow-wrap:anywhere}
.person-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:3px 10px;margin:0;font-size:14px}
.referral-pair{display:grid;gap:2px}
.referral-code{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;letter-spacing:.5px}
.pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:10px}
.admin-login{display:flex;flex-direction:column;gap:10px;margin-top:8px;padding:14px;background:var(--surface);
  border:1px solid var(--line-soft);border-radius:14px}
.admin-login-note{margin:0;font-size:14px;color:var(--text-2)}
.admin-label{font-size:13.5px;color:var(--text-2)}
.admin-login .admin-input{width:100%}
.admin-login .primary{margin-top:2px}
.admin-error{margin:0;color:#ffb4a8;font-size:14px}
.admin-error:empty{display:none}
.danger-zone{margin-top:22px;padding:13px;border:1px solid #5e2a30;border-radius:14px;background:#1b1316}
.danger-zone h2{margin-top:0;color:#f2b3b6}
.danger-note{margin:0 0 10px;font-size:13.5px;color:var(--text-2)}
.danger-zone .admin-input{width:100%;margin-bottom:8px}
.danger{background:transparent;border-color:#96484d;color:#f2b3b6}
.danger:hover{background:#2a171a}
.danger-solid{background:#6f262d;border-color:#b5505a;color:#ffe3e5;font-weight:600}
.danger-solid:hover{background:#7d2b33}
.stats{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:560px){
  .stats{grid-template-columns:repeat(4,minmax(0,1fr))}
  .admin-grid,.kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:768px){.language-blocks{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){
  main{max-width:880px}
  .kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
/* numbers never break between their digits */
.admin-card-value,.kpi-value,.user-coins,.bar-value,.tx-amount{white-space:nowrap;overflow-wrap:normal}
.chip-warn{background:#352a12;border-color:#8a6a24;color:#f2cd93}
.chip-info{background:#18294a;border-color:#3b5d95;color:#b1cdf8}
/* Coins promised to a stake or a discount: part of the balance, not free to spend. */
.coin-reserved{margin:4px 0 0;font-size:13px;color:var(--text-2)}
/* Level interviews */
.interview .lesson-level{margin-left:auto}
.interview-filters{margin:0 0 12px}
/* A level is not a coin amount: neutral buttons, not the gold of the coin presets. */
.interview-levels .coin-preset{flex:1 1 44px;min-width:44px;background:#1d2536;border-color:#3a4a68;color:var(--text)}
.interview-levels .coin-preset:hover{background:#243049}
.interview-confirm{margin-top:10px;padding-top:10px;border-top:1px solid var(--line-soft)}
.interview-yes{background:#1d3a28;border-color:#2f7a4f;color:#bff0d2}
/* Question bank (admin) */
.admin-warning{margin:10px 0;padding:10px 12px;border-radius:12px;border:1px solid #8a6a24;background:#2b2412;color:#f2cd93;font-size:14px;line-height:1.45}
.question-text{font-size:17px;line-height:1.5;margin:12px 0;overflow-wrap:anywhere}
.question-options{margin:0 0 12px;padding-left:22px;line-height:1.7;overflow-wrap:anywhere}
.option-correct{color:#9ee0b9;font-weight:600}