/* Dùng chung cho các trang: Tính điểm, Flashcard, Chi tiêu, Ôn thi (tái dùng class của study.css / plan.css) */
.sbig.g3{grid-template-columns:repeat(3,1fr)}
.chip.btn{cursor:pointer;border:0;color:inherit;transition:transform .2s var(--ease)}
.chip.btn:hover{transform:translateY(-2px)}
.chip.btn.on{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.sinput.sm{width:auto;min-width:0;flex:1}
.pagebar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pagebar .spacer{flex:1}

/* Tính điểm */
.gr{display:grid;grid-template-columns:1fr 40px 54px 84px;gap:8px;align-items:center;padding:9px 12px;border-radius:12px;background:var(--surface-solid);border:1px solid var(--line);cursor:pointer;font-size:14px;transition:transform .2s var(--ease),box-shadow .2s}
.gr:not(.hd):hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.gr.hd{background:none;border-color:transparent;cursor:default;font-size:12px;color:var(--muted);padding-top:0;padding-bottom:0}
.gr.skip{opacity:.55}
.gr.p3{grid-template-columns:1fr 36px 56px}
.gr .gn{font-weight:600;word-break:break-word}
.gr small{display:block;font-weight:400;font-size:12px;color:var(--muted)}
.gr span:not(.gn){text-align:center}
.nrow{display:grid;grid-template-columns:1fr 64px 64px 34px;gap:6px;align-items:center}
.nrow.tg,.nrow2{grid-template-columns:1fr 96px}
.nrow input,.nrow2 input{width:100%;min-width:0;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--surface-solid);color:var(--text);outline:0;text-align:center}
.nrow input.nn{text-align:left}
.nrow input:focus,.nrow2 input:focus{border-color:var(--accent)}
.nrow .nn,.nrow2 .nn{font-size:13px;color:var(--muted)}
.nrow .ib{padding:6px 0}
.nrow.nfinal{margin-top:2px}
.nlbl{font-size:12px;color:var(--muted)}
.nout{padding:12px;border-radius:14px;background:hsl(var(--th) 40% 70% / .16);display:flex;flex-direction:column;gap:4px;align-items:center;text-align:center}
.nbig{font-size:30px;font-weight:700}
.nbig.ok{color:hsl(150 50% 38%)}.nbig.no{color:hsl(8 65% 50%)}.nbig.hard{color:hsl(35 80% 45%)}
.nthr{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:6px}
.nthr-row{display:flex;flex-direction:column;gap:1px;padding:7px 10px;border-radius:10px;background:var(--surface-solid);border:1px solid var(--line);font-size:13px}
.nthr-row span{color:var(--muted);font-size:12px}
.nthr-row.ok{border-color:hsl(150 45% 55%)}.nthr-row.no{opacity:.55}.nthr-row.hard{border-color:hsl(35 80% 55%)}

/* Flashcard */
.fcard{perspective:1000px;width:min(440px,100%);height:250px;margin:6px auto;cursor:pointer;-webkit-tap-highlight-color:transparent}
.flipin{position:relative;width:100%;height:100%;transition:transform .6s var(--ease);transform-style:preserve-3d}
.fcard.flip .flipin{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:20px;display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;padding:22px;text-align:center;font-size:26px;font-weight:600;word-break:break-word;background:var(--surface-solid);border:1px solid var(--line);box-shadow:var(--shadow);overflow:auto}
.face.back{transform:rotateY(180deg);background:hsl(var(--th) 45% 94%)}
[data-mode=dark] .face.back{background:hsl(var(--th) 20% 22%)}
.face small{font-size:13px;font-weight:400;color:var(--muted)}
.face .hint{position:absolute;bottom:10px;font-size:12px;font-weight:400;color:var(--muted)}
.crow{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:9px 12px;border-radius:14px;background:var(--surface-solid);border:1px solid var(--line);cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s}
.crow:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.crow.known{opacity:.65}
.crow .cb{min-width:0}
.crow .cf{font-weight:600;word-break:break-word}
.crow .cbk{font-size:13px;color:var(--muted);word-break:break-word}

/* Chi tiêu */
.mhead{display:flex;align-items:center;justify-content:center;gap:12px}
.mhead b{min-width:130px;text-align:center}
.mbars{display:grid;gap:2px;align-items:end;height:120px}
.mbar{display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;height:100%;position:relative}
.mbar i{display:block;border-radius:3px 3px 0 0;background:var(--accent);min-height:0;transition:height .6s var(--ease)}
.mbar.now i{background:hsl(var(--th) 65% 48%)}
.mbar span{position:absolute;bottom:-16px;left:0;right:0;text-align:center;font-size:10px;color:var(--muted)}
.mbarwrap{padding-bottom:18px}
.cbar{display:grid;grid-template-columns:96px 1fr auto;gap:8px;align-items:center;font-size:13px}
.cbar .tr{height:10px;border-radius:99px;background:hsl(var(--th) 40% 70% / .22);overflow:hidden}
.cbar .tr i{display:block;height:100%;border-radius:99px;background:var(--accent);transition:width .6s var(--ease)}
.cbar em{font-style:normal;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.trow{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:9px 12px;border-radius:14px;background:var(--surface-solid);border:1px solid var(--line);cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s}
.trow:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.trow .ti{font-size:20px;text-align:center}
.trow .tn{font-weight:600}
.trow .tm{font-size:12px;color:var(--muted);word-break:break-word}
.amt{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.amt.in{color:hsl(150 45% 38%)}.amt.out{color:hsl(8 60% 50%)}
.dayh{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding:4px 4px 0}
.bud .ppill{height:16px}
.bud.over .ppill i{background:hsl(8 65% 58%)}
.bud.near .ppill i{background:hsl(35 80% 55%)}

/* Ôn thi */
.rnote{padding:11px 14px;border-radius:14px;background:var(--surface-solid);border:1px solid var(--line);cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:transform .2s var(--ease),box-shadow .2s}
.rnote:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.rnote .rt{font-weight:600;word-break:break-word}
.rnote .rs{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.rbody{white-space:pre-wrap;word-break:break-word;text-align:left;font-size:15px;line-height:1.6;max-height:46vh;overflow:auto;padding:12px 14px;border-radius:14px;background:hsl(var(--th) 40% 70% / .14)}
.rtitle{font-size:22px;font-weight:700;text-align:center;word-break:break-word;padding:10px 0}

@media(max-width:560px){
 .sbig.g3{grid-template-columns:1fr 1fr 1fr;gap:6px}
 .gr{grid-template-columns:1fr 32px 44px 70px;padding:8px}
 .cbar{grid-template-columns:78px 1fr auto}
 .nrow{grid-template-columns:1fr 54px 54px 30px}
}