:root{--background-color: #121212;--surface-color: #1e1e1e;--primary-color: #bb86fc;--primary-variant-color: #3700b3;--secondary-color: #03dac6;--on-primary-color: #000000;--on-surface-color: #e1e1e1;--on-surface-muted-color: #8a8a8a;--border-color: #2c2c2c;--error-color: #cf6679;--success-color: #4caf50;--row-highlight-color: #2a2a2a;--selection-highlight-color: #2c223a;--font-family: "Inter", sans-serif;--border-radius: 8px;--shadow: 0 4px 6px rgba(0, 0, 0, .2), 0 1px 3px rgba(0, 0, 0, .15)}body.light-mode{--background-color: #f4f4f9;--surface-color: #ffffff;--primary-color: #6200ee;--primary-variant-color: #eaddff;--secondary-color: #018786;--on-primary-color: #ffffff;--on-surface-color: #121212;--on-surface-muted-color: #5f6368;--border-color: #e0e0e0;--error-color: #b00020;--success-color: #2e7d32;--row-highlight-color: #f5f5f5;--selection-highlight-color: #f2e7fe;--drag-bg: #ffffff;--drag-border: #d1d5db;--drag-hover: #f3f4f6;--shadow: 0 2px 4px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .05)}:root{--background-color: #121212;--surface-color: #1e1e1e;--primary-color: #bb86fc;--primary-variant-color: #3700b3;--secondary-color: #03dac6;--on-primary-color: #000000;--on-surface-color: #e1e1e1;--on-surface-muted-color: #8a8a8a;--border-color: #2c2c2c;--error-color: #cf6679;--success-color: #4caf50;--row-highlight-color: #2a2a2a;--selection-highlight-color: #2c223a;--drag-bg: #2a2a2a;--drag-border: #404040;--drag-hover: #333333;--font-family: "Inter", sans-serif;--border-radius: 8px;--shadow: 0 4px 6px rgba(0, 0, 0, .2), 0 1px 3px rgba(0, 0, 0, .15)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--on-surface-color);line-height:1.6;font-size:16px;transition:background-color .3s ease,color .3s ease}#root{display:flex;flex-direction:column;min-height:100%}header{padding:1.5rem 2rem;background-color:var(--surface-color);border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;transition:background-color .3s ease,border-color .3s ease}header h1{font-size:2rem;font-weight:700;color:var(--primary-color)}.header-actions{display:flex;gap:1rem;align-items:center}.header-actions .button{width:auto}main{flex:1;padding:0 2rem 2rem;display:flex;flex-direction:column;width:100%;max-width:1600px;margin:0 auto}.tabs{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:2rem}.tab-button{padding:1rem 1.5rem;cursor:pointer;background:none;border:none;color:var(--on-surface-muted-color);font-size:1rem;font-weight:500;border-bottom:3px solid transparent;transition:color .2s,border-color .2s}.tab-button:hover{color:var(--on-surface-color)}.tab-button.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.tab-content{display:grid;grid-template-columns:1fr 1.5fr;gap:2rem;width:100%}.tab-content.single-card{grid-template-columns:1fr}.tab-content.umlauf-tab{grid-template-columns:1fr 1fr}.tab-content.umlauf-tab .column{display:flex;flex-direction:column;gap:2rem}.manual-plan-tab{display:grid;grid-template-columns:300px 1fr;gap:2rem;height:calc(100vh - 200px)}.manual-pool-column{display:flex;flex-direction:column;height:100%}.manual-pool-card{display:flex;flex-direction:column;height:100%;overflow:hidden}.manual-pool-container{flex:1;overflow-y:auto;padding-right:.5rem}.manual-pool-list{display:flex;flex-direction:column;gap:.75rem;min-height:100px}.manual-block-item{display:flex;align-items:center;background-color:var(--drag-bg);border:1px solid var(--drag-border);border-radius:6px;padding:.75rem;cursor:grab;transition:box-shadow .2s,border-color .2s}.manual-block-item.shift{flex-direction:column;align-items:flex-start;padding:.5rem;min-width:120px;background-color:var(--surface-color);border:1px solid var(--border-color);border-left:4px solid var(--primary-color);position:relative}.manual-block-item.shift .drag-handle{position:absolute;top:4px;right:4px;padding:0;opacity:.5}.manual-block-item.shift:hover .drag-handle{opacity:1}.manual-block-item:hover{background-color:var(--drag-hover)}.manual-block-item.overlay{box-shadow:0 10px 25px #0003;cursor:grabbing;opacity:.9}.drag-handle{display:flex;align-items:center;justify-content:center;padding-right:.75rem;color:var(--on-surface-muted-color);cursor:grab}.drag-handle:active{cursor:grabbing}.block-content{display:flex;flex-direction:column;flex:1}.block-title{font-weight:600;font-size:.95rem;margin-bottom:.25rem}.block-time{font-size:.85rem;color:var(--on-surface-muted-color)}.block-ort{font-size:.75rem;color:var(--primary-color);margin-top:.25rem;font-weight:500}.empty-pool-message{text-align:center;padding:2rem;color:var(--on-surface-muted-color);font-style:italic;border:2px dashed var(--border-color);border-radius:8px}.manual-shifts-column{display:flex;flex-direction:column;height:100%;overflow:hidden}.manual-shifts-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.manual-actions{display:flex;gap:1rem}.manual-shifts-list{flex:1;overflow-y:auto;padding-right:.5rem}.manual-plan-table{width:100%;border-collapse:collapse}.manual-plan-table th,.manual-plan-table td{padding:.75rem;border-bottom:1px solid var(--border-color);text-align:left;vertical-align:middle}.manual-plan-table th{background-color:var(--surface-color);color:var(--on-surface-muted-color);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;position:sticky;top:0;z-index:10}.shift-drop-cell{background-color:var(--row-highlight-color);border:2px dashed transparent;transition:all 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.button{margin-top:.5rem;width:auto;padding:.5rem 1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--on-surface-muted-color)}.input,.button{width:100%;padding:.75rem;border-radius:var(--border-radius);border:1px solid var(--border-color);background-color:var(--background-color);color:var(--on-surface-color);font-family:var(--font-family);font-size:1rem;transition:border-color .2s,box-shadow .2s,background-color .3s ease,color .3s ease}.input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #bb86fc33}body.light-mode .input:focus{box-shadow:0 0 0 3px #6200ee33}.button{cursor:pointer;font-weight:600;border:none}.button-primary{background-color:var(--primary-color);color:var(--on-primary-color)}.button-primary:hover{opacity:.9}.button-primary:disabled,.button-secondary:disabled,.button-ai:disabled,.button.disabled{background-color:#555;color:#999;cursor:not-allowed;border-color:#555!important}body.light-mode 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.button{width:auto}.preview-info{background-color:var(--background-color);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:1rem;margin-bottom:1.5rem}.preview-info p{margin-bottom:.5rem}.preview-info p:last-child{margin-bottom:0}.table-container{width:100%;overflow-x:auto}.dienstplan-table-detailed{width:100%;border-collapse:collapse;font-size:.9rem;min-width:1200px}.dienstplan-table-detailed th,.dienstplan-table-detailed td{padding:.75rem;text-align:center;vertical-align:middle;border:1px solid var(--border-color);white-space:nowrap}.dienstplan-table-detailed thead th{background-color:#2a2a2a;font-weight:600;color:var(--on-surface-muted-color);text-transform:uppercase;font-size:.75rem;letter-spacing:.5px}body.light-mode .dienstplan-table-detailed thead th{background-color:#e0e0e0;color:#424242}.dienstplan-table-detailed tbody tr{transition:background-color .2s}.dienstplan-table-detailed tbody tr:hover{background-color:var(--row-highlight-color)}.dienstplan-table-detailed tbody tr.drag-over{background-color:var(--primary-variant-color)}.dienstplan-table-detailed tbody tr.selected{background-color:var(--selection-highlight-color);outline:1px solid var(--primary-color);outline-offset:-1px}.dienstplan-table-detailed tbody td:first-child,.dienstplan-table-detailed tbody td:last-child{font-weight:700}.dienstplan-table-detailed tbody td:last-child{color:var(--primary-color)}.selection-cell{width:40px}.selection-cell input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--primary-color)}.fahrt-cell{min-width:150px}.fahrt-cell[draggable=true]{cursor:grab;-webkit-user-select:none;user-select:none}.fahrt-cell[draggable=true]:active{cursor:grabbing}.fahrt-kurs{font-weight:600;margin-bottom:.25rem}.fahrt-zeit{font-size:.85rem;color:var(--on-surface-muted-color)}.fahrt-zeit span{color:var(--secondary-color);font-weight:700;margin-left:.25rem;cursor:help}.fahrt-dauer{font-size:.8rem;color:var(--on-surface-muted-color);margin-top:.2rem}.verkehrstag-selector{display:flex;background-color:var(--background-color);border-radius:var(--border-radius);padding:.25rem;margin-bottom:1.5rem;border:1px solid var(--border-color)}.verkehrstag-selector button{flex:1;padding:.5rem 1rem;font-size:.9rem;font-weight:500;color:var(--on-surface-muted-color);background-color:transparent;border:none;border-radius:6px;cursor:pointer;transition:background-color .2s,color .2s}.verkehrstag-selector button:hover{background-color:var(--row-highlight-color);color:var(--on-surface-color)}.verkehrstag-selector button.active{background-color:var(--primary-color);color:var(--on-primary-color);font-weight:600}.timeline-container{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.timeline-container 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