*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f4f7f7;color:#182522;--accent:#0b6b63;--accent2:#073d37}body[data-color=blue]{--accent:#2563eb;--accent2:#172554}body[data-color=purple]{--accent:#7c3aed;--accent2:#3b0764}body[data-color=orange]{--accent:#ea580c;--accent2:#7c2d12}body[data-color=green]{--accent:#15803d;--accent2:#14532d}body.night{background:#111827;color:#e5e7eb}header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:12px 16px;background:var(--accent2);color:#fff}.settingsLeft{margin-right:2px}.brand{display:flex;align-items:center;gap:10px;flex:1}.brand>span{font-size:25px;background:#fff;color:var(--accent2);border-radius:9px;padding:6px 8px}.brand b{display:block;font-size:18px}.brand small{opacity:.8}.userName{font-size:12px;margin-top:3px}.headActions{display:flex;gap:8px}.iconBtn{font-size:18px;padding:8px 11px}button{border:0;border-radius:9px;padding:9px 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#timerDisplay{font-size:42px;font-weight:800;text-align:center;letter-spacing:3px}.timerPanel input,.timerPanel select,.field input,.field select{padding:11px;border-radius:9px;border:1px solid #cbd8d5;width:100%}.bigFlip{font-size:48px;text-align:center;font-weight:900;letter-spacing:8px;background:#182522;color:#fff;padding:18px;border-radius:12px}.sleepForm{max-width:520px}.field{margin:10px 0}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}.session{padding:10px 0;border-bottom:1px solid #dbe5e2}.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:15px;z-index:50}.modal.hidden{display:none}.box{background:#fff;color:#182522;width:min(600px,100%);max-height:90vh;overflow:auto;border-radius:16px;padding:18px}.night .box{background:#1f2937;color:#f3f4f6}.modalactions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.themeGrid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.reader{position:fixed;inset:0;background:#111;z-index:60}.readerbar{height:55px;background:#182522;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:8px 12px}.reader iframe{width:100%;height:calc(100% - 55px);border:0}.empty{padding:20px;text-align:center;color:#6b7773}.smallEmpty{font-size:13px;padding:12px}.error{color:#b42318}@media(max-width:700px){.grid4{grid-template-columns:repeat(2,1fr)}.topInfo{align-items:flex-start;flex-direction:column}.flipWatch{width:100%;justify-content:center}.flipUnit{min-width:70px}.hero{align-items:flex-start;flex-direction:column}.themeGrid{grid-template-columns:repeat(2,1fr)}main{padding:11px}.books{grid-template-columns:1fr}.subject,.compartment{margin-left:0}.nav{white-space:nowrap}.bigFlip{font-size:35px}}

.periodBtns{display:flex;gap:6px;margin-top:7px}
.periodBtn{min-width:62px}
.periodBtn.periodActive{background:var(--accent);color:#fff}
.iconDelete{min-width:40px;padding:8px 10px;font-size:17px;line-height:1}
.arrowBtn{min-width:40px;padding:8px 10px;font-size:17px;line-height:1}
.subActions{display:flex;align-items:center;gap:6px}
.syllabusTop{justify-content:flex-start;flex-wrap:wrap}
.syllabusItem{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.brandLogo{width:170px;height:34px;object-fit:contain;object-position:left center;display:block;background:transparent}
.pdfCollection{display:grid;gap:8px;margin:10px 0}
.pdfRow{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px;border:1px solid #dbe6e3;border-radius:10px;background:#f8fbfa}
.night .pdfRow{background:#111827;border-color:#4b5563}
.pdfMeta{display:flex;flex-direction:column;gap:3px;min-width:0}
.pdfMeta b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pdfMeta small{color:#6b7773}
.pdfActions{display:flex;align-items:center;gap:6px;flex-shrink:0}
@media(max-width:700px){.brandLogo{width:135px;height:30px}.pdfRow{align-items:flex-start;flex-direction:column}.pdfActions{width:100%}}
.quickActions{background:linear-gradient(135deg,#ffffff,#f2f8f6)}
.night .quickActions{background:#1f2937}
.streakCard{display:flex;align-items:center;gap:16px;padding:8px 0}
.streakNumber{font-size:42px;font-weight:900;color:var(--accent)}
.analyticsBars{height:190px;display:flex;align-items:end;gap:8px;overflow-x:auto;padding:8px 2px}
.aBarCol{min-width:42px;height:175px;display:flex;flex-direction:column;align-items:center;justify-content:end;gap:6px}
.aBar{width:24px;background:var(--accent);border-radius:6px 6px 2px 2px;min-height:4px}
.goalRow{padding:12px 0;border-bottom:1px solid #dbe5e2}
.night .goalRow{border-color:#374151}
.goalTop{display:flex;justify-content:space-between;gap:10px;margin-bottom:7px}
.progress{height:9px;background:#e4ebe9;border-radius:999px;overflow:hidden;margin:7px 0 9px}
.night .progress{background:#374151}
.progress span{display:block;height:100%;background:var(--accent);border-radius:999px}
.plannerList{margin-top:14px;display:grid;gap:8px}
.planRow{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:8px;padding:10px;border:1px solid #dbe6e3;border-radius:10px}
.night .planRow{border-color:#4b5563}
.planRow label{display:flex;align-items:center;gap:7px;min-width:0}.planRow span{overflow-wrap:anywhere}.planRow .done{text-decoration:line-through;opacity:.6}
@media(max-width:700px){.planRow{grid-template-columns:1fr auto}.planRow button{grid-column:2}.analyticsBars{gap:5px}}

.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#e7f3ef;font-weight:700}.revisionDue{border-left:4px solid var(--accent)}
