.react-calendar{width:350px;max-width:100%;background:#fff;border:1px solid #a0a096;font-family:Arial,Helvetica,sans-serif;line-height:1.125em}.react-calendar--doubleView{width:700px}.react-calendar--doubleView .react-calendar__viewContainer{display:flex;margin:-.5em}.react-calendar--doubleView .react-calendar__viewContainer>*{width:50%;margin:.5em}.react-calendar,.react-calendar *,.react-calendar *:before,.react-calendar *:after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}.react-calendar button{margin:0;border:0;outline:none}.react-calendar button:enabled:hover{cursor:pointer}.react-calendar__navigation{display:flex;height:44px;margin-bottom:1em}.react-calendar__navigation button{min-width:44px;background:none}.react-calendar__navigation button:disabled{background-color:#f0f0f0}.react-calendar__navigation button:enabled:hover,.react-calendar__navigation button:enabled:focus{background-color:#e6e6e6}.react-calendar__month-view__weekdays{text-align:center;text-transform:uppercase;font:inherit;font-size:.75em;font-weight:700}.react-calendar__month-view__weekdays__weekday{padding:.5em}.react-calendar__month-view__weekNumbers .react-calendar__tile{display:flex;align-items:center;justify-content:center;font:inherit;font-size:.75em;font-weight:700}.react-calendar__month-view__days__day--weekend{color:#d10000}.react-calendar__month-view__days__day--neighboringMonth,.react-calendar__decade-view__years__year--neighboringDecade,.react-calendar__century-view__decades__decade--neighboringCentury{color:#757575}.react-calendar__year-view .react-calendar__tile,.react-calendar__decade-view .react-calendar__tile,.react-calendar__century-view .react-calendar__tile{padding:2em .5em}.react-calendar__tile{max-width:100%;padding:10px 6.6667px;background:none;text-align:center;font:inherit;font-size:.833em}.react-calendar__tile:disabled{background-color:#f0f0f0;color:#ababab}.react-calendar__month-view__days__day--neighboringMonth:disabled,.react-calendar__decade-view__years__year--neighboringDecade:disabled,.react-calendar__century-view__decades__decade--neighboringCentury:disabled{color:#cdcdcd}.react-calendar__tile:enabled:hover,.react-calendar__tile:enabled:focus{background-color:#e6e6e6}.react-calendar__tile--now{background:#ffff76}.react-calendar__tile--now:enabled:hover,.react-calendar__tile--now:enabled:focus{background:#ffffa9}.react-calendar__tile--hasActive{background:#76baff}.react-calendar__tile--hasActive:enabled:hover,.react-calendar__tile--hasActive:enabled:focus{background:#a9d4ff}.react-calendar__tile--active{background:#006edc;color:#fff}.react-calendar__tile--active:enabled:hover,.react-calendar__tile--active:enabled:focus{background:#1087ff}.react-calendar--selectRange .react-calendar__tile--hover{background-color:#e6e6e6}.react-calendar{width:100%!important;border:none!important;border-radius:16px;box-shadow:0 8px 30px #00000014;font-family:Inter,sans-serif;padding:1rem;background:#fff}.react-calendar__navigation{margin-bottom:1rem}.react-calendar__navigation button{font-size:1.1rem;font-weight:700;color:#667eea;border-radius:10px;transition:all .3s ease}.react-calendar__navigation button:hover{background:#667eea1a}.react-calendar__month-view__weekdays{font-weight:700;font-size:.9rem;color:#667eea;text-transform:uppercase}.react-calendar__tile{padding:1.25rem;position:relative;border-radius:10px;transition:all .3s ease;font-weight:600}.react-calendar__tile:hover{background:#667eea1a!important;transform:scale(1.05)}.react-calendar__tile.has-logbook{background:linear-gradient(135deg,#d4edda,#c3e6cb)!important;color:#155724;font-weight:700;box-shadow:0 4px 10px #28a74533}.react-calendar__tile.has-logbook:hover{background:linear-gradient(135deg,#c3e6cb,#b1dfbb)!important;transform:scale(1.08)}.react-calendar__tile--active{background:linear-gradient(135deg,#667eea,#764ba2)!important;color:#fff!important;box-shadow:0 6px 20px #667eea66;transform:scale(1.1)}.react-calendar__tile--active.has-logbook{background:linear-gradient(135deg,#667eea,#28a745)!important}.calendar-legend{margin-top:1.5rem;padding-top:1.5rem;border-top:2px solid #e0e0e0}.legend-item{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;font-weight:600}.legend-color{width:24px;height:24px;border-radius:8px;display:inline-block;box-shadow:0 2px 8px #0000001a}.legend-color.has-logbook{background:linear-gradient(135deg,#d4edda,#c3e6cb);border:2px solid #28a745}.attendance-info{background:linear-gradient(135deg,#e3f2fd,#bbdefb);padding:1.5rem;border-radius:12px;margin-bottom:1.5rem;border-left:4px solid #2196f3}.attendance-info h3{margin-bottom:.75rem;color:#1976d2;font-size:1.1rem;font-weight:700}.attendance-info p{margin-bottom:.5rem;font-weight:600}.status-badge{display:inline-block;padding:.4rem 1rem;background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border-radius:20px;font-size:.9rem;font-weight:700;box-shadow:0 4px 12px #28a7454d}.logbook-detail{animation:fadeIn .5s ease}.logbook-detail h3{margin-top:1.5rem;margin-bottom:.75rem;color:#667eea;font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.logbook-detail h3:first-child{margin-top:0}.logbook-detail p{color:#555;line-height:1.8;background:#f8f9fa;padding:1rem;border-radius:10px;border-left:3px solid #667eea}.logbook-meta{margin-top:1.5rem;padding-top:1.5rem;border-top:2px solid #e0e0e0;font-size:.9rem;color:#777;background:linear-gradient(135deg,#f8f9fa,#e9ecef);padding:1rem;border-radius:10px}.logbook-meta p{margin-bottom:.5rem;font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.result-container{margin-top:2rem}.code-block{background:#1e1e1e;color:#d4d4d4;padding:1.5rem;border-radius:8px;overflow-x:auto;font-family:Courier New,monospace;font-size:.875rem;line-height:1.6}.code-block pre{margin:0;white-space:pre-wrap;word-break:break-word}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem}.result-card{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);border:none}.result-title{color:#667eea;font-size:1.1rem;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.result-text{color:#333;line-height:1.6;margin-bottom:1rem;padding:1rem;background:#fff;border-radius:6px;min-height:80px}.char-count{font-size:.875rem;color:#666;font-weight:600;text-align:right}.validation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.validation-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#f8f9fa;border-radius:6px}.validation-label{font-weight:600;color:#555}.validation-value{font-weight:700;font-size:1.1rem}.validation-value.valid{color:#28a745}.validation-value.invalid{color:#dc3545}.alert pre{background:#0000000d;padding:1rem;border-radius:4px;overflow-x:auto;margin-top:.5rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.navbar{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#333;padding:1rem 0;box-shadow:0 4px 20px #0000001a;position:sticky;top:0;z-index:1000}.nav-container{max-width:1400px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-title{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:1rem}.nav-link{color:#555;text-decoration:none;font-weight:600;font-size:.95rem;padding:.5rem 1rem;border-radius:8px;transition:all .3s ease;position:relative}.nav-link:hover{color:#667eea;background:#667eea1a;transform:translateY(-2px)}.nav-link:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%) scaleX(0);width:80%;height:2px;background:linear-gradient(135deg,#667eea,#764ba2);transition:transform .3s ease}.nav-link:hover:after{transform:translate(-50%) scaleX(1)}.main-content{max-width:1400px;margin:2rem auto;padding:0 2rem 2rem}.page{animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.page-title{font-size:2.5rem;margin-bottom:2rem;color:#fff;font-weight:800;text-shadow:0 2px 10px rgba(0,0,0,.2)}.card{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 8px 30px #0000001f;margin-bottom:2rem;transition:all .3s ease;border:1px solid rgba(255,255,255,.2)}.card:hover{transform:translateY(-5px);box-shadow:0 12px 40px #0000002e}.card-title{font-size:1.5rem;margin-bottom:1.5rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.btn{padding:.875rem 2rem;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0000001a;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;position:relative;z-index:1}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px #667eea66}.btn-primary:active{transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.input-group{margin-bottom:1.5rem}.input-group label{display:block;margin-bottom:.75rem;font-weight:700;color:#333;font-size:.95rem}.input-group input,.input-group textarea{width:100%;padding:1rem;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:all .3s ease;font-family:inherit}.input-group input:focus,.input-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 4px #667eea1a}.input-group textarea{min-height:120px;resize:vertical;font-family:Courier New,monospace}.alert{padding:1.25rem;border-radius:12px;margin-bottom:2rem;font-weight:600;animation:slideIn .3s ease;border-left:4px solid}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.alert-success{background:linear-gradient(135deg,#d4edda,#c3e6cb);color:#155724;border-color:#28a745}.alert-error{background:linear-gradient(135deg,#f8d7da,#f5c6cb);color:#721c24;border-color:#dc3545}.alert-info{background:linear-gradient(135deg,#d1ecf1,#bee5eb);color:#0c5460;border-color:#17a2b8}.loading{text-align:center;padding:3rem;color:#667eea;font-size:1.25rem;font-weight:600}.loading:after{content:"...";animation:dots 1.5s steps(4,end) infinite}@keyframes dots{0%,20%{content:""}40%{content:"."}60%{content:".."}80%,to{content:"..."}}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}@media (max-width: 768px){.nav-container{flex-direction:column;gap:1rem}.nav-links{flex-wrap:wrap;justify-content:center}.page-title{font-size:2rem}.card{padding:1.5rem}.grid-2{grid-template-columns:1fr}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:#ffffff1a}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#764ba2,#667eea)}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh}#root{width:100%}