/* Screen-level layout: hero, drills, session, lab, sheet, bonus, keypad. */

/* --- home --------------------------------------------------------------- */
.hero { padding: calc(18px + env(safe-area-inset-top)) 16px 4px; max-width: 560px; margin: 0 auto; }
.heroline { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.kicker { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); margin: 0 0 2px; font-weight: 600; }
.wordmark { font-size: 34px; letter-spacing: -.03em; line-height: 1; }

.countdown {
  display: flex; align-items: center; gap: 14px; margin: 18px 0 14px; padding: 16px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--card);
  background: linear-gradient(135deg, color-mix(in srgb, var(--gold) 12%, var(--card)), var(--card));
}
.countdown.hot { border-color: color-mix(in srgb, var(--gold) 55%, var(--line)); }
.cbig { font-family: var(--font-dis); font-size: 40px; font-weight: 700; line-height: .95; color: var(--gold); letter-spacing: -.03em; }
.csmall { font-size: 13px; color: var(--dim); line-height: 1.45; }
.csmall b { color: var(--ink); }

.rankbar { margin: 6px 0 2px; }
.rankmeta { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; margin-bottom: 6px; }
.rankmeta b { font-family: var(--font-dis); font-size: 14px; }
.rankmeta span { color: var(--dim); font-size: 12px; }
.meter { height: 6px; border-radius: 99px; background: var(--card2); overflow: hidden; border: 1px solid var(--line); }
.meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-2)); transition: width .5s ease; }
.streakline { font-size: 12px; color: var(--dim); margin: 8px 0 0; }

.bigcta {
  width: 100%; text-align: left; cursor: pointer; margin: 18px 0 12px;
  display: flex; flex-direction: column; gap: 4px; padding: 20px;
  border-radius: 18px; border: 1px solid transparent; color: #201704;
  background: linear-gradient(140deg, var(--gold-2), var(--gold));
  box-shadow: 0 14px 30px color-mix(in srgb, var(--gold) 22%, transparent);
  transition: transform .12s ease;
}
:root[data-theme="light"] .bigcta { color: #fff; background: linear-gradient(140deg, #d99a12, #b57a00); }
.bigcta:active { transform: scale(.99); }
.ctamain { font-family: var(--font-dis); font-size: 21px; font-weight: 700; }
.ctasub { font-size: 13px; opacity: .8; }

.rowcta {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  text-align: left; cursor: pointer; margin: 10px 0; padding: 15px 16px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); color: var(--ink);
}
.rowcta:active { transform: scale(.99); }
.rowcta b { display: block; font-family: var(--font-dis); font-size: 15px; }
.rowcta i { display: block; font-style: normal; font-size: 12.5px; color: var(--dim); margin-top: 2px; }
.rowcta .arrow { color: var(--dim); font-size: 18px; }
.rowcta.warn { border-color: color-mix(in srgb, var(--bad) 45%, var(--line)); }
.rowcta.lab { border-color: color-mix(in srgb, var(--b) 40%, var(--line)); }
.rowcta.bonus { border-style: dashed; opacity: .82; }
.pill { background: var(--bad); color: #fff; border-radius: 99px; padding: 3px 10px; font-size: 13px; font-weight: 700; }
.pill.quiet { background: var(--card2); color: var(--dim); border: 1px solid var(--line); font-family: var(--font-mono); }
.rowcta.paper { border-color: color-mix(in srgb, var(--gold) 45%, var(--line)); background: linear-gradient(120deg, color-mix(in srgb, var(--gold) 8%, var(--card)), var(--card)); }
.inlinelink { color: var(--gold); font-weight: 600; font-size: 13.5px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.skillcard {
  display: flex; align-items: center; gap: 12px; text-align: left; cursor: pointer;
  padding: 14px 12px; border-radius: var(--r); border: 1px solid var(--line);
  background: var(--card); color: var(--ink); min-height: 84px;
}
.skillcard:active { transform: scale(.98); }
.scring { position: relative; width: 46px; height: 46px; flex: 0 0 46px; display: grid; place-items: center; }
.scring .ring { position: absolute; inset: 0; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--line); }
.ring-fg { fill: none; stroke: var(--acc, var(--gold)); stroke-linecap: round; transition: stroke-dashoffset .6s ease; }
.scpct { font-size: 11.5px; font-weight: 700; font-family: var(--font-mono); }
.scbody b { display: block; font-family: var(--font-dis); font-size: 14.5px; }
.scbody span { display: block; font-size: 11.5px; color: var(--dim); line-height: 1.35; margin-top: 2px; }
.accent-a { --acc: var(--a); } .accent-b { --acc: var(--b); }
.accent-c { --acc: var(--c); } .accent-d { --acc: var(--d); } .accent-e { --acc: var(--e); }

.sched { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); }
.schedrow { display: grid; grid-template-columns: 62px 1fr auto; gap: 10px; align-items: center; padding: 11px 14px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.schedrow:last-child { border-bottom: 0; }
.sdate { font-family: var(--font-mono); font-size: 12px; color: var(--dim); }
.swhen { font-size: 11.5px; color: var(--dim); }
.schedrow.quiz { background: color-mix(in srgb, var(--gold) 10%, transparent); }
.schedrow.quiz .slabel { font-weight: 700; color: var(--gold); }
.schedrow.off .slabel { color: var(--dim); }

/* --- session ------------------------------------------------------------ */
.dots { display: flex; gap: 5px; justify-content: center; }
.dot { width: 7px; height: 7px; border-radius: 99px; background: var(--line); display: block; }
.dot.now { background: var(--gold); transform: scale(1.3); }
.dot.good { background: var(--good); }
.dot.bad { background: var(--bad); }
.streakpill { font-size: 11.5px; color: var(--dim); text-align: right; font-family: var(--font-mono); }
.streakpill.hot { color: var(--gold); font-weight: 700; }

.card.q { animation: rise .28s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.qhead { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 10px; }
.tag { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; padding: 4px 9px; border-radius: 99px; background: var(--card2); border: 1px solid var(--line); }
.tag-ops { color: var(--a); } .tag-inv { color: var(--b); } .tag-tf { color: var(--c); }
.tag-app { color: var(--d); } .tag-markov { color: var(--e); } .tag-sample { color: var(--gold); border-color: color-mix(in srgb, var(--gold) 40%, var(--line)); }
.hintbtn { background: none; border: 0; color: var(--dim); font: 600 13px var(--font-ui); text-decoration: underline; cursor: pointer; padding: 4px; }
.hint { font-size: 13.5px; color: var(--dim); border-left: 2px solid var(--gold); padding: 6px 0 6px 12px; margin: 6px 0 12px; }
.stem { font-size: 15.5px; }
.stem .ask { margin-top: 12px; font-weight: 600; }
.given { margin: 8px 0; padding-left: 20px; font-size: 14.5px; }
.given li { margin: 3px 0; }
.answer { margin-top: 14px; }
.actions { margin-top: 14px; }
.actions.nudge { animation: shake .35s; }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.warn { color: var(--bad); font-size: 13.5px; margin-bottom: 10px; }

.tf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tf-yes { border-color: color-mix(in srgb, var(--good) 40%, var(--line)); }
.tf-no { border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); }
.choices { display: flex; flex-direction: column; gap: 9px; }
.opt {
  display: flex; align-items: center; gap: 12px; text-align: left; cursor: pointer;
  padding: 14px; border-radius: 13px; border: 1.5px solid var(--line);
  background: var(--card2); color: var(--ink); font-size: 15px;
}
.opt-key { font-family: var(--font-mono); font-size: 12px; color: var(--dim); border: 1px solid var(--line); border-radius: 7px; width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 24px; }
.opt.sel { border-color: var(--gold); background: color-mix(in srgb, var(--gold) 12%, var(--card2)); }
.opt.right, .btn.right { border-color: var(--good); background: color-mix(in srgb, var(--good) 15%, var(--card2)); }
.opt.wrong, .btn.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 15%, var(--card2)); }

.solution { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 14px; animation: rise .3s ease both; }
.sol-head { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-dis); font-weight: 700; font-size: 16px; margin-bottom: 10px; }
.solution.ok .sol-head { color: var(--good); }
.solution.no .sol-head { color: var(--bad); }
.xp { font-family: var(--font-mono); font-size: 13px; color: var(--gold); }
.sol-body { font-size: 14.5px; }
.sol-body .verdict { font-family: var(--font-dis); font-size: 17px; font-weight: 700; }
.sol-body .aside { font-size: 13px; color: var(--dim); border-left: 2px solid var(--line); padding-left: 12px; margin-top: 12px; }
.curve { width: 100%; max-width: 300px; height: auto; margin: 8px 0; }
.curve .ax { stroke: var(--line); stroke-width: 1; }
.curve .ln { fill: none; stroke: var(--gold); stroke-width: 2; }
.curve .drop { stroke: var(--dim); stroke-dasharray: 3 3; stroke-width: 1; }
.curve .dot { fill: var(--good); }
.curve .lbl { fill: var(--dim); font-size: 9px; font-family: var(--font-mono); }

.summary { text-align: center; padding: 26px 0 10px; }
.score { font-family: var(--font-dis); font-size: 62px; font-weight: 700; line-height: 1; color: var(--gold); }
.score span { font-size: 26px; color: var(--dim); }
.summary .sub { color: var(--dim); font-size: 13.5px; margin-top: 6px; }
.verdictline { font-size: 15px; margin-top: 10px; }
.misslist { margin: 6px 0 8px; padding-left: 20px; font-size: 14px; }

/* --- row lab ------------------------------------------------------------ */
.labgoal { font-size: 14px; color: var(--dim); margin: 14px 0 10px; }
.pivbar { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--dim); margin-bottom: 8px; font-family: var(--font-mono); }
.piv { width: 22px; height: 4px; border-radius: 99px; background: var(--line); }
.piv.on { background: var(--good); }
.pivbar span { margin-left: 6px; }
.augwrap { overflow-x: auto; padding: 10px 2px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); text-align: center; }
.builder { margin-top: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; }
.modes { display: flex; gap: 8px; margin-bottom: 12px; }
.chip {
  border: 1.5px solid var(--line); background: var(--card2); color: var(--ink);
  border-radius: 11px; padding: 9px 12px; font: 600 13px var(--font-ui); cursor: pointer;
}
.chip.on { border-color: var(--gold); background: color-mix(in srgb, var(--gold) 15%, var(--card2)); color: var(--gold); }
.chip.sq { min-width: 48px; font-family: var(--font-mono); }
.chip.off { opacity: .4; }
.oprow { text-align: center; padding: 12px; background: var(--bg2); border-radius: 12px; margin-bottom: 12px; border: 1px dashed var(--line); }
.oplabel { font-family: var(--font-mono); font-size: 15px; color: var(--gold); }
.pickrow { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.plab { font-size: 12px; color: var(--dim); flex: 0 0 84px; font-weight: 600; }
.rowchips, .kchips { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.kin { width: 74px; padding: 8px; font-size: 14px; }
.labactions { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.labwarn { font-size: 13px; color: var(--gold); margin: 10px 0 0; }
.histbox { margin-top: 16px; }
.histhead { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.histhead h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--dim); }
.hist { margin: 0; padding-left: 22px; font-family: var(--font-mono); font-size: 13px; color: var(--dim); }
.hist li { margin: 4px 0; }
.win { margin-top: 14px; padding: 18px; border-radius: var(--r); border: 1px solid var(--good); background: color-mix(in srgb, var(--good) 10%, var(--card)); text-align: center; animation: rise .35s ease both; }
.win h2 { font-size: 19px; color: var(--good); margin-bottom: 6px; }

/* --- sheet, bonus, settings --------------------------------------------- */
.fold { border: 1px solid var(--line); border-radius: 13px; background: var(--card); margin: 9px 0; overflow: hidden; }
.fold summary { cursor: pointer; padding: 14px 16px; font-family: var(--font-dis); font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.fold summary::-webkit-details-marker { display: none; }
.fold summary::after { content: "+"; color: var(--dim); font-size: 18px; }
.fold[open] summary::after { content: "\2212"; }
.foldbody { padding: 0 16px 14px; font-size: 14.5px; }
.foldbody ul { padding-left: 20px; margin: 8px 0; }
.foldbody li { margin: 5px 0; }
.rule { background: var(--card2); border-left: 3px solid var(--gold); padding: 10px 12px; border-radius: 0 9px 9px 0; }
.foldbody .ok { color: var(--good); }
.foldbody .no { color: var(--bad); }
.traps li { margin: 8px 0; }

.notice { border: 1px dashed color-mix(in srgb, var(--e) 55%, var(--line)); background: color-mix(in srgb, var(--e) 8%, transparent); border-radius: 13px; padding: 13px 15px; font-size: 13.5px; margin: 14px 0; color: var(--ink); }
.sim { margin-top: 14px; }
.simhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 13px; }
.segs { display: flex; gap: 6px; }
.simlab { font-size: 12.5px; color: var(--dim); margin: 8px 0 4px; }
.mbar { position: relative; height: 26px; background: var(--card2); border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
.mbar i { display: block; height: 100%; transition: width .35s ease; }
.mbar i.u { background: linear-gradient(90deg, var(--e), color-mix(in srgb, var(--e) 60%, var(--card))); }
.mbar i.s { background: linear-gradient(90deg, var(--a), color-mix(in srgb, var(--a) 60%, var(--card))); }
.mbar span { position: absolute; right: 9px; top: 3px; font-family: var(--font-mono); font-size: 12px; }
.slider { width: 100%; margin-top: 16px; accent-color: var(--gold); }

.toggle { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.toggle:last-of-type { border-bottom: 0; }
.toggle b { display: block; font-size: 14.5px; }
.toggle i { font-style: normal; font-size: 12.5px; color: var(--dim); }
.toggle input { width: 46px; height: 28px; accent-color: var(--gold); flex: 0 0 auto; }

/* --- keypad ------------------------------------------------------------- */
.pad {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  transform: translateY(115%); transition: transform .22s cubic-bezier(.2, .8, .3, 1);
  background: var(--bg2);
  background: color-mix(in srgb, var(--bg2) 96%, transparent);
  backdrop-filter: blur(14px); border-top: 1px solid var(--line);
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
}
.pad.open { transform: translateY(0); }
.pad-inner { max-width: 420px; margin: 0 auto; display: flex; flex-direction: column; gap: 7px; }
.pad-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.key {
  height: 50px; border-radius: 12px; border: 1px solid var(--line); background: var(--card);
  color: var(--ink); font: 600 19px/1 var(--font-mono); cursor: pointer; touch-action: manipulation;
}
.key:active { background: var(--card2); transform: scale(.96); }
.key-fn { font-family: var(--font-ui); font-size: 14px; color: var(--dim); }
.key-next { background: linear-gradient(180deg, var(--gold-2), var(--gold)); color: #201704; border-color: transparent; font-weight: 700; }
body.pad-open { padding-bottom: 270px; }