:root{--background-color: #f4f7f6;--card-background: #ffffff;--text-primary: #2c3e50;--text-secondary: #7f8c8d;--header-background: #4a6fa5;--header-text: #ffffff;--accent-color: #4a6fa5;--border-color: #ecf0f1;--shadow-color: rgba(0, 0, 0, .05)}[data-theme=dark]{--background-color: #2c3e50;--card-background: #34495e;--text-primary: #9ba8ab;--text-secondary: #bdc3c7;--header-background: #1f2b38;--header-text: #ecf0f1;--accent-color: #5dade2;--border-color: #34495e;--shadow-color: rgba(0, 0, 0, .2);--success-color: #27ae60;--warning-color: #f39c12;--error-color: #e74c3c}.App{width:100%}body{background-color:var(--background-color);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;transition:background-color .3s,color .3s}.App{text-align:center}.App-header{background-color:var(--header-background);padding:15px 20px;color:var(--header-text);box-shadow:0 2px 4px var(--shadow-color);display:flex;justify-content:space-between;align-items:center}.App-header h1{flex-grow:1;text-align:center;margin-right:-48px}@media (max-width: 768px){.App-header h1{margin-right:0;text-align:left}}.sleep-time-inputs{display:flex;gap:10px}.theme-toggle{background:transparent;border:1px solid transparent;color:var(--header-text);padding:5px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;width:38px;height:38px;transition:background-color .2s}.theme-toggle:hover{background-color:#ffffff1a}main{padding:10px}.login-container{padding-top:50px}.login-button{background-color:var(--accent-color);color:var(--header-text);border:none;padding:12px 24px;font-size:1rem;border-radius:5px;cursor:pointer;transition:opacity .2s}.login-button:hover{opacity:.9}.user-info{display:flex;justify-content:space-between;align-items:center;padding:10px;background-color:var(--card-background);border-radius:8px;margin-bottom:20px;box-shadow:0 4px 8px var(--shadow-color)}.user-info p{margin:0;font-size:.9rem;color:var(--text-secondary)}.user-info .logout-button{background-color:#c0392b;color:#fff;border:none;padding:8px 16px;border-radius:5px;cursor:pointer;transition:background-color .2s}.user-info .logout-button:hover{background-color:#a93226}.token-warning{background-color:var(--warning-color, #f39c12);color:#fff;padding:8px 15px;margin-top:10px;border-radius:6px;display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:.9rem;animation:pulse 2s infinite}.refresh-button{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:4px 12px;border-radius:4px;cursor:pointer;font-size:.85rem;transition:all .3s;white-space:nowrap}.refresh-button:hover{background:#ffffff4d;border-color:#ffffff80}@keyframes pulse{0%,to{opacity:1}50%{opacity:.8}}.loading-container{display:flex;justify-content:center;align-items:center;height:50vh}.summary-container{display:flex;justify-content:space-around;gap:10px;margin-bottom:20px;flex-wrap:wrap}.summary-card{background:var(--card-background);padding:15px;border-radius:8px;box-shadow:0 4px 8px var(--shadow-color);flex-grow:1;min-width:150px;text-align:center;transition:background-color .3s}.summary-card h2{margin:0;font-size:2rem;color:var(--accent-color)}.summary-card p{margin:5px 0 0;color:var(--text-secondary);font-size:.9rem}.filters-container{display:flex;flex-direction:column;gap:15px;padding:20px;background-color:var(--card-background);border-radius:8px;margin-bottom:20px;box-shadow:0 4px 8px var(--shadow-color);transition:background-color .3s}.filter-item{display:flex;flex-direction:column;align-items:stretch;width:100%}.filter-item label{text-align:left;font-size:.9rem;color:var(--text-secondary);margin-bottom:5px}.filter-item input[type=date],.filter-item input[type=datetime-local],.filter-item input[type=number],.filter-item select{width:100%;padding:5px;border-radius:5px;border:1px solid var(--border-color);background-color:var(--background-color);color:var(--text-primary);font-size:1rem}.reset-button{padding:10px 20px;border:none;background-color:#c0392b;color:#fff;border-radius:5px;cursor:pointer;transition:background-color .2s;width:100%}@media (min-width: 992px){.filters-container{flex-direction:row;align-items:flex-end}.filter-item{flex-grow:1}.reset-button{width:auto;flex-shrink:0}}.chart-container{margin-bottom:20px;background:var(--card-background);padding:10px;border-radius:8px;box-shadow:0 4px 8px var(--shadow-color);transition:background-color .3s}.recharts-text,.recharts-legend-item-text{fill:var(--text-primary)!important}.recharts-cartesian-axis-tick-value{fill:var(--text-secondary)!important}.recharts-cartesian-grid-line{stroke:var(--border-color)!important}.table-container{margin:20px auto;max-width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;background:var(--card-background);box-shadow:0 4px 8px var(--shadow-color);transition:background-color .3s}th,td{border:1px solid var(--border-color);padding:10px;text-align:left;font-size:.9rem;transition:border-color .3s}th{background-color:var(--background-color);font-weight:600;transition:background-color .3s}.table-container td .edit-button,.table-container td .save-button,.table-container td .cancel-button,.table-container td .delete-button{border:none;padding:6px 12px;border-radius:4px;color:#fff;cursor:pointer;font-size:.8rem;margin-right:5px;transition:opacity .2s}.table-container td .edit-button{background-color:var(--accent-color)}.table-container td .save-button{background-color:#27ae60}.table-container td .cancel-button{background-color:#7f8c8d}.table-container td .delete-button{background-color:#c0392b}.table-container td .edit-button:disabled,.table-container td .save-button:disabled,.table-container td .cancel-button:disabled,.table-container td .delete-button:disabled{opacity:.5;cursor:not-allowed}.table-container td input[type=text],.table-container td input[type=datetime-local]{width:90%;padding:6px;border:1px solid var(--border-color);border-radius:4px;background-color:var(--background-color);color:var(--text-primary)}.add-entry-container{border-left:4px solid var(--accent-color)}.add-button{padding:10px 20px;height:43px;border:none;background-color:#27ae60;color:#fff;border-radius:5px;cursor:pointer;transition:background-color .2s,opacity .2s;flex-shrink:0;align-self:flex-end}.add-button:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 991px){.add-button{width:100%}}.entry-panels-container{display:flex;flex-direction:column;gap:15px;margin-bottom:20px}@media (min-width: 768px){.entry-panels-container{flex-direction:row;align-items:stretch}.entry-panels-container .sleep-timer-container{flex:0 0 180px;display:flex;flex-direction:column;justify-content:center;align-items:center}.entry-panels-container .add-entry-container{flex:1;margin-bottom:0}}.sleep-timer-container{background-color:var(--card-background);border-radius:8px;padding:15px;box-shadow:0 4px 8px var(--shadow-color);border-left:4px solid #9b59b6;display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;transition:background-color .3s}@media (min-width: 768px){.sleep-timer-container{flex-direction:column;justify-content:center;padding:15px}}.sleep-timer-header{display:flex;align-items:center;gap:6px;color:var(--text-primary);font-weight:600;font-size:.9rem}.sleep-timer-icon{font-size:1rem}.sleep-timer-title{color:var(--text-secondary)}.elapsed-time-display{font-size:1.2rem;font-weight:600;color:var(--accent-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--background-color);padding:8px 12px;border-radius:5px;text-align:center}.sleep-timer-ready{text-align:center;color:var(--text-secondary);display:none}.sleep-timer-ready p{margin:0;font-size:.85rem}.sleep-timer-button{padding:10px 20px;height:43px;border:none;border-radius:5px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,opacity .2s;flex-shrink:0;white-space:nowrap}.sleep-timer-button.start{background-color:#27ae60;color:#fff}.sleep-timer-button.start:hover:not(:disabled){opacity:.9}.sleep-timer-button.stop{background-color:#e74c3c;color:#fff}.sleep-timer-button.stop:hover:not(:disabled){opacity:.9}.sleep-timer-button:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 767px){.sleep-timer-button{padding:8px 16px;height:auto}}.time-adjust-section{width:100%;text-align:center}.time-adjust-toggle{background:none;border:none;color:var(--text-secondary);font-size:.8rem;cursor:pointer;text-decoration:underline;padding:3px}.time-adjust-toggle:hover{color:var(--accent-color)}.time-adjust-form{background:var(--background-color);padding:10px;border-radius:5px;display:flex;flex-direction:column;gap:6px}.time-adjust-form label{font-size:.8rem;color:var(--text-secondary);text-align:left}.time-adjust-form input[type=datetime-local]{width:100%;padding:5px;border:1px solid var(--border-color);border-radius:4px;background:var(--card-background);color:var(--text-primary);font-size:.85rem}.time-adjust-buttons{display:flex;gap:6px;margin-top:3px}.time-adjust-save,.time-adjust-cancel{flex:1;padding:6px 10px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:opacity .2s}.time-adjust-save{background:var(--accent-color);color:#fff;border:none}.time-adjust-cancel{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary)}.time-adjust-save:hover,.time-adjust-cancel:hover{opacity:.8}.success-message{position:fixed;top:80px;left:50%;transform:translate(-50%);z-index:1000;background:linear-gradient(90deg,#27ae60,#2ecc71);color:#fff;padding:18px 32px;border-radius:8px;font-size:1.3rem;font-weight:600;box-shadow:0 8px 24px #27ae6026;display:flex;align-items:center;gap:12px;animation:popupFadeIn .5s}@keyframes popupFadeIn{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.sheet-selector{max-width:600px;margin:0 auto;background-color:var(--card-background);border-radius:10px;box-shadow:0 4px 6px var(--shadow-color);overflow:hidden}.sheet-selector-header{display:flex;justify-content:space-between;align-items:center;padding:20px 25px;background-color:var(--header-background);color:var(--header-text)}.sheet-selector-header h2{margin:0;font-size:1.5rem}.close-button{background:none;border:none;color:var(--header-text);font-size:1.5rem;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}.close-button:hover{background-color:#ffffff1a}.sheet-selector-content{padding:25px}.error-message{background-color:var(--error-color);color:#fff;padding:12px 16px;border-radius:5px;margin-bottom:20px;text-align:center}.sheets-list{margin-bottom:30px}.sheets-list h3{margin:0 0 15px;color:var(--text-primary);font-size:1.1rem}.sheet-item{display:flex;justify-content:space-between;align-items:center;padding:15px;border:1px solid var(--border-color);border-radius:8px;margin-bottom:10px;transition:box-shadow .2s}.sheet-item:hover{box-shadow:0 2px 8px var(--shadow-color)}.sheet-info{flex:1;text-align:left}.sheet-name{font-weight:600;color:var(--text-primary);margin-bottom:5px}.sheet-details{display:flex;gap:15px;font-size:.9rem;color:var(--text-secondary)}.sheet-role{padding:2px 8px;border-radius:12px;font-size:.8rem;font-weight:500;text-transform:uppercase}.sheet-role.owner{background-color:var(--success-color);color:#fff}.sheet-role.collaborator{background-color:var(--warning-color);color:#fff}.sheet-actions{display:flex;gap:10px;align-items:center}.select-button{background-color:var(--accent-color);color:#fff;border:none;padding:8px 16px;border-radius:5px;cursor:pointer;font-weight:500;transition:background-color .2s}.select-button:hover{opacity:.9}.remove-button{background:none;border:1px solid var(--border-color);color:var(--text-secondary);padding:4px 8px;border-radius:50%;cursor:pointer;width:30px;height:30px;display:flex;align-items:center;justify-content:center;transition:all .2s}.remove-button:hover{background-color:var(--error-color);color:#fff;border-color:var(--error-color)}.action-buttons{display:flex;gap:15px;justify-content:center;margin-bottom:20px}.create-button,.join-button{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s;min-width:150px}.create-button{background-color:var(--success-color);color:#fff}.join-button{background-color:var(--accent-color);color:#fff}.create-button:hover,.join-button:hover{opacity:.9;transform:translateY(-1px)}.create-button:disabled,.join-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.create-form,.join-form{border:1px solid var(--border-color);border-radius:8px;padding:20px;background-color:var(--background-color)}.create-form h3,.join-form h3{margin:0 0 15px;color:var(--text-primary)}.create-form input,.join-form input{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:5px;margin-bottom:15px;font-size:1rem;background-color:var(--card-background);color:var(--text-primary);box-sizing:border-box}.form-actions{display:flex;gap:10px;justify-content:flex-end}.cancel-button{background:none;border:1px solid var(--border-color);color:var(--text-secondary);padding:8px 16px;border-radius:5px;cursor:pointer;transition:all .2s}.cancel-button:hover{background-color:var(--border-color)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary);max-width:500px;margin:0 auto}.empty-state-icon{font-size:4rem;margin-bottom:20px}.empty-state h3{color:var(--text-primary);margin:0 0 15px;font-size:1.4rem}.empty-state p{margin:0 0 30px;line-height:1.6}.getting-started{background:var(--card-background);border:1px solid var(--border-color);border-radius:8px;padding:20px;margin-top:20px;text-align:left}.getting-started h4{margin:0 0 15px;color:var(--text-primary);font-size:1rem}.getting-started ul{list-style:none;padding:0;margin:0}.getting-started li{padding:8px 0;color:var(--text-secondary);line-height:1.5}.success-message{background-color:var(--success-color, #27ae60);color:#fff;padding:12px 16px;border-radius:5px;margin-bottom:20px;text-align:center;animation:slideIn .3s ease-out}.sheets-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;flex-wrap:wrap;gap:15px}.search-box{flex:0 1 200px}.search-input{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;background:var(--card-background);color:var(--text-primary);font-size:.9rem}.search-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #4a6fa51a}.form-help{background:#4a6fa50d;border-radius:6px;padding:12px;margin-bottom:15px;text-align:left}.form-help p{margin:0 0 8px;color:var(--text-primary);font-weight:500}.form-help ul{margin:0;padding-left:20px;color:var(--text-secondary)}.form-help li{margin:4px 0}.url-input{font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.85rem}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.no-sheets{text-align:center;padding:40px 20px;color:var(--text-secondary)}.no-sheets p{margin:0 0 10px}@media (max-width: 768px){.sheet-selector{margin:10px;border-radius:8px}.sheet-item{flex-direction:column;align-items:stretch;gap:15px}.sheet-actions{justify-content:space-between}.action-buttons{flex-direction:column;align-items:stretch}.sheets-header{flex-direction:column;align-items:stretch;gap:10px}.search-box{flex:1}.empty-state{padding:40px 15px}.empty-state-icon{font-size:3rem}.token-warning{flex-direction:column;text-align:center;gap:10px}.form-actions{flex-direction:column}}.user-info{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background-color:var(--card-background);border-bottom:1px solid var(--border-color)}.user-details{flex:1}.user-details p{margin:0 0 5px;color:var(--text-primary)}.sheet-info{font-size:.9rem;color:var(--text-secondary);display:flex;align-items:center;gap:10px}.switch-sheet-button{background:none;border:1px solid var(--accent-color);color:var(--accent-color);padding:4px 8px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:all .2s}.switch-sheet-button:hover{background-color:var(--accent-color);color:#fff}.template-form{background:var(--surface);padding:20px;border-radius:8px;border:1px solid var(--border);margin-top:20px}.template-form h3{margin:0 0 15px;color:#10b981}.template-preview{background:#f0fdf4;border:1px solid #10B981;border-radius:6px;padding:15px;margin-bottom:15px}.template-benefits{margin-bottom:15px}.template-benefits h4{margin:0 0 8px;color:#059669;font-size:.9rem}.template-benefits ul{margin:0;padding-left:20px;list-style-type:none}.template-benefits li{margin:6px 0;font-size:.85rem;position:relative}.template-benefits li:before{content:"✅";position:absolute;left:-20px}.template-info{padding-top:10px;border-top:1px solid #d1fae5}.template-info p{margin:4px 0;font-size:.9rem}.template-info small{color:#6b7280}.template-button{background:#10b981!important;border-color:#10b981!important;color:#fff!important}.template-button:hover{background:#059669!important;border-color:#059669!important}.template-button:disabled{background:#9ca3af!important;border-color:#9ca3af!important}@media (max-width: 768px){.user-info{flex-direction:column;align-items:stretch;gap:10px}.sheet-info{flex-direction:column;align-items:flex-start;gap:5px}.template-preview{padding:12px}.template-benefits li{font-size:.8rem}}.table-container thead tr.column-filters{background:var(--background-color)}.table-container thead tr.column-filters th{padding:8px 10px;vertical-align:top}.table-container thead tr.column-filters input[type=date],.table-container thead tr.column-filters select{width:100%;padding:6px 8px;height:32px;border-radius:4px;border:1px solid var(--border-color);background-color:var(--background-color);color:var(--text-primary);font-size:.85rem;box-sizing:border-box}.table-container thead tr.column-filters input[type=date]:focus,.table-container thead tr.column-filters select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #4a6fa526}.table-container thead tr.column-filters th>div{display:flex;gap:8px}.table-container thead .reset-button{padding:6px 10px;width:auto;background:transparent;color:var(--accent-color);border:1px solid var(--accent-color);border-radius:4px}.table-container thead .reset-button:hover{background:var(--accent-color);color:#fff}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%}