:root{--ink:#10243e;--muted:#65758a;--line:#dbe3ec;--bg:#eef3f8;--card:#fff;--accent:#174a7e;--green:#17834b;--red:#b42318;--amber:#a15c00}
*{box-sizing:border-box}body{margin:0;font-family:Arial,"Microsoft JhengHei",sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit}.topbar{position:sticky;top:0;z-index:1000;display:flex;align-items:center;gap:22px;padding:12px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px #0000000a}.brand{font-weight:800;text-decoration:none;font-size:18px}.topbar nav{display:flex;gap:8px}.topbar nav a{text-decoration:none;padding:8px 12px;border-radius:9px;color:#42556d;font-weight:700}.topbar nav a.active,.topbar nav a:hover{background:#e9f1fb;color:#103e70}.topbar #userChip{margin-left:auto}.userchip{display:flex;align-items:center;gap:8px;font-size:13px}.userchip b{font-size:14px}.logout{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 9px;cursor:pointer}.wrap{max-width:1180px;margin:24px auto;padding:0 18px}.hero,.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:18px;box-shadow:0 8px 30px #23405d0a}.hero h1{margin:0 0 8px;font-size:30px}.hero p{color:var(--muted);line-height:1.6}.primaryBtn,.btn{display:inline-block;border:0;border-radius:10px;padding:10px 15px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;cursor:pointer}.btn.secondary{background:#e8eef5;color:#17324f}.btn.danger{background:#b42318}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.metric small{color:var(--muted)}.metric strong{display:block;font-size:27px;margin-top:6px}.progressbar{height:13px;border-radius:99px;background:#e5ebf1;overflow:hidden}.progressbar>i{display:block;height:100%;background:var(--accent);border-radius:inherit}.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.volgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px}.volcard{display:flex;flex-direction:column;text-decoration:none;background:#f7faff;border:1px solid #dbe7f4;border-radius:12px;padding:13px}.volcard b{font-size:25px}.volcard span{font-weight:700}.volcard small{color:var(--muted);margin-top:4px}.formrow{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.field{display:flex;flex-direction:column;gap:5px;min-width:140px}.field label{font-size:12px;color:var(--muted);font-weight:700}.field input,.field select{padding:9px 10px;border:1px solid #cfd8e3;border-radius:9px;background:#fff}.days{display:flex;gap:5px;flex-wrap:wrap}.days label{border:1px solid var(--line);border-radius:8px;padding:7px 8px;background:#fff}.days input{margin-right:4px}.notice{padding:12px 14px;border-radius:10px;background:#eef7ff;border:1px solid #cce3f8}.good{color:var(--green)}.bad{color:var(--red)}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px;border-bottom:1px solid var(--line);font-size:14px}.loginPage{min-height:100vh;display:grid;place-items:center;padding:25px}.loginBox{width:min(500px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 18px 60px #203b5920}.tabs{display:flex;background:#eef3f8;border-radius:10px;padding:4px;margin-bottom:18px}.tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font-weight:700}.tabs button.active{background:#fff;box-shadow:0 2px 8px #0001}.loginBox .field{margin:10px 0}.loginBox .field input{width:100%}.msg{min-height:22px;margin-top:10px;color:var(--red)}
.quizToolbar{position:sticky;top:58px;z-index:20}.quizSpread{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.quizPage{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;min-height:900px;box-shadow:0 8px 26px #203b5911}.qcard{position:relative;border:1px solid #d5dee8;border-radius:10px;padding:12px 13px;margin-bottom:10px;background:#fbfdff;min-height:150px}.qcard.correct{border-color:#79c69b;background:#f3fff7}.qcard.wrong{border-color:#e8a09a;background:#fff6f5}.qhead{display:flex;gap:9px;align-items:center}.qnum{font-size:12px;color:#52708f}.qword{font-size:22px;font-weight:800}.qpos{margin-left:auto;font-size:12px;color:#667}.blur{filter:blur(6px);user-select:none;opacity:.72}.qrow{display:grid;grid-template-columns:65px 1fr;gap:7px;margin-top:4px;font-size:13px;line-height:1.35}.qrow .lab{font-weight:700;color:#224c75}.answerline{display:flex;gap:7px;margin-top:9px}.answerline input{flex:1;padding:9px 10px;border:2px solid #aebdce;border-radius:9px;font-size:17px;font-weight:700}.answerline button{border:0;border-radius:9px;background:#174a7e;color:white;padding:8px 12px;font-weight:700}.qfeedback{font-size:13px;margin-top:7px}.qimg{position:absolute;right:12px;top:43px;width:118px;height:90px;object-fit:cover;border-radius:7px;border:1px solid #ccd6e0}.qcard.hasimg .qbody{padding-right:132px}.quizNav{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.modePill{display:inline-block;background:#edf4fb;border:1px solid #c9dced;border-radius:99px;padding:5px 9px;font-size:12px;font-weight:700}.masterBadge{padding:3px 7px;border-radius:99px;font-size:11px;background:#eee}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.daybox{min-height:70px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px;font-size:11px}.daybox b{display:block;font-size:13px}.daybox.hit{background:#f1fbf5;border-color:#a7d8b9}.daybox .mini{color:var(--muted);margin-top:4px}
@media(max-width:900px){.grid4{grid-template-columns:1fr 1fr}.two,.quizSpread{grid-template-columns:1fr}.topbar{gap:8px;padding:10px}.topbar nav a{padding:7px 8px}.brand{display:none}.quizPage{min-height:auto}}
/* V6 planner + SRS */
.sectionHead{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.viewSwitch{display:flex;gap:6px}.viewSwitch .active{background:var(--accent);color:#fff}.calendarHeaders{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-bottom:5px;text-align:center;color:var(--muted);font-size:12px;font-weight:700}.plannerCalendar .daybox{appearance:none;text-align:left;color:inherit;cursor:pointer;min-height:112px;position:relative}.plannerCalendar .daybox.blank{visibility:hidden}.plannerCalendar .daybox.partial{background:#fff8e8;border-color:#f0c46b}.plannerCalendar .daybox.done{background:#eefaf2;border-color:#89c9a3}.plannerCalendar .daybox.rest{background:#f3f5f7;color:#8793a1}.plannerCalendar .daybox.manual{box-shadow:inset 0 0 0 2px #9db9d8}.planText{font-weight:700}.miniBar{height:5px;background:#e5ebf1;border-radius:99px;overflow:hidden;margin-top:6px}.miniBar i{display:block;height:100%;background:var(--green)}.dayNote{font-size:10px;margin-top:5px;color:#80611d;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gantt{display:flex;flex-direction:column;gap:6px}.ganttRow{display:grid;grid-template-columns:64px 1fr 78px;gap:10px;align-items:center;border:0;background:#fff;padding:6px;cursor:pointer;text-align:left}.ganttRow:hover{background:#f7faff}.gDate{font-weight:700;color:#53677c}.gBars{position:relative;height:24px;background:#edf1f5;border-radius:6px;overflow:hidden}.gBars i{position:absolute;left:0;height:9px;border-radius:99px}.gPlan{top:4px;background:#a7bed8}.gDone{bottom:4px;background:#2d8b57}.gNums{text-align:right;font-size:12px;color:#53677c}.dayModal{position:fixed;inset:0;background:#091a2d88;display:grid;place-items:center;z-index:5000;padding:20px}.dayModal[hidden]{display:none}.dayDialog{position:relative;width:min(440px,100%);background:white;border-radius:16px;padding:22px;box-shadow:0 25px 80px #0005}.dayDialog .field{margin:10px 0}.dayDialog .field input{width:100%}.modalClose{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:26px;cursor:pointer}.restToggle{display:block;margin:12px 0}.dialogActions{display:flex;gap:8px;margin-top:14px}.srsLegend{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.srsLegend span{background:#f4f7fa;border:1px solid var(--line);border-radius:99px;padding:6px 9px;font-size:12px}.quizStatusBar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}.quizStatusBar #quizMeta{flex:1}.timerBox{font-size:17px;background:#0f2540;color:white;padding:7px 11px;border-radius:10px;font-variant-numeric:tabular-nums}.pauseOverlay{position:fixed;inset:0;background:#0a1a2dcc;z-index:6000;display:grid;place-items:center;color:white;text-align:center}.pauseOverlay[hidden]{display:none}.pauseOverlay>div{background:#10243e;border:1px solid #ffffff30;border-radius:18px;padding:30px 40px;box-shadow:0 25px 80px #0008}.ratingBox{margin-top:10px;border-top:1px dashed #c8d4df;padding-top:9px}.ratingHint{font-size:12px;color:var(--muted);margin-bottom:6px}.ratingBtns{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.rate{border:1px solid #ccd6e0;border-radius:9px;background:#fff;padding:7px 5px;font-weight:800;cursor:pointer}.rate small{font-weight:400;color:#667}.rate.again{border-color:#e09a92}.rate.hard{border-color:#e6bd69}.rate.good{border-color:#82c69d}.rate.easy{border-color:#83acd5}.rate.suggested{box-shadow:0 0 0 2px #c54b3f inset}.rate:disabled{opacity:.48;cursor:default}.nextDue{font-size:12px;margin-top:7px;color:#53677c}.quizWrap{max-width:1320px}.qcard .btn.playWord{padding:6px 9px;margin-top:7px}.qcard input:disabled{background:#f2f4f6}.qcard .ratingBox[hidden]{display:none}
@media(max-width:900px){.sectionHead{display:block}.viewSwitch{margin-top:10px}.plannerCalendar .daybox{min-height:92px}.ganttRow{grid-template-columns:52px 1fr 64px}.ratingBtns{grid-template-columns:1fr 1fr}}