@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary: #2563eb;--primary-h: #1d4ed8;--primary-light: #eff6ff;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--text-2: #475569;--text-3: #94a3b8;--radius: .75rem;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .14);--transition: .18s ease;--g0: #2563eb;--g1: #7c3aed;--g2: #0891b2}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;min-height:100vh}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#dbeafe,#e0e7ff,#ede9fe);padding:1.5rem}.login-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2.5rem 2rem;width:100%;max-width:390px;text-align:center}.login-logo{width:64px;height:64px;background:linear-gradient(135deg,var(--primary),#7c3aed);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:#fff}.login-logo svg{width:36px;height:36px}.login-title{font-size:1.75rem;font-weight:700;color:var(--text);margin-bottom:.25rem}.login-subtitle{font-size:.9rem;color:var(--text-2);margin-bottom:2rem}.login-form{text-align:left}.field-group{margin-bottom:1.1rem}.field-group label{display:block;font-weight:500;font-size:.875rem;margin-bottom:.4rem;color:var(--text)}.input-wrap{position:relative}.input-icon{position:absolute;left:.85rem;top:50%;transform:translateY(-50%);font-size:1rem;pointer-events:none}.input-wrap input{width:100%;padding:.7rem .85rem .7rem 2.6rem;border:1.5px solid var(--border);border-radius:.6rem;font-size:.95rem;font-family:inherit;color:var(--text);background:var(--surface);transition:border-color var(--transition),box-shadow var(--transition)}.input-wrap input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb26}.login-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;border-radius:.5rem;padding:.55rem .75rem;font-size:.875rem;margin-bottom:1rem}.login-btn{width:100%;padding:.8rem;background:linear-gradient(135deg,var(--primary),#1e40af);color:#fff;border:none;border-radius:.6rem;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:opacity var(--transition),transform var(--transition);margin-top:.25rem}.login-btn:hover{opacity:.9;transform:translateY(-1px)}.login-btn:disabled{opacity:.65;cursor:not-allowed;transform:none}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;height:64px;position:sticky;top:0;z-index:100}.header-left,.header-right{display:flex;align-items:center;gap:.75rem;min-width:180px}.header-right{justify-content:flex-end}.brand{display:flex;align-items:center;gap:.6rem}.brand-icon{font-size:1.6rem}.brand-name{font-size:1.2rem;font-weight:700;color:var(--primary);line-height:1.1}.brand-sub{font-size:.72rem;color:var(--text-3)}.week-nav{display:flex;align-items:center;gap:.4rem}.week-label{min-width:160px;text-align:center}.week-text{font-weight:600;font-size:.95rem}.nav-btn{padding:.35rem .7rem;background:var(--primary-light);color:var(--primary);border:1px solid #bfdbfe;border-radius:.5rem;font-size:1.2rem;font-weight:700;cursor:pointer;line-height:1;transition:background var(--transition)}.nav-btn:hover{background:#dbeafe}.today-btn{font-size:.8rem;font-weight:500}.logout-btn{padding:.4rem 1rem;background:#fef2f2;color:var(--danger);border:1px solid #fecaca;border-radius:.5rem;font-size:.875rem;font-weight:600;cursor:pointer;transition:background var(--transition)}.logout-btn:hover{background:#fee2e2}.main{flex:1;padding:1.5rem;overflow-x:auto}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem;gap:1rem;color:var(--text-2)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.table-container{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;min-width:800px}.data-table{width:100%;border-collapse:collapse;table-layout:fixed}.col-date{width:110px}.col-group{width:1fr}.col-action{width:70px}.data-table thead tr{background:linear-gradient(180deg,#f8fafc,#f1f5f9);border-bottom:2px solid var(--border)}.data-table th{padding:.85rem 1rem;font-size:.8rem;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.04em;text-align:left;border-right:1px solid var(--border)}.data-table th:last-child{border-right:none}.data-table th.col-action{text-align:center}.th-content{display:flex;align-items:center;gap:.4rem}.group-badge{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;font-size:.7rem;font-weight:700;color:#fff;flex-shrink:0;background:var(--g0)}th:nth-child(2) .group-badge{background:var(--g0)}th:nth-child(3) .group-badge{background:var(--g1)}th:nth-child(4) .group-badge{background:var(--g2)}.th-name{flex:1;color:var(--text);font-weight:600;font-size:.875rem;text-transform:none;letter-spacing:0}.edit-name-btn{background:none;border:none;cursor:pointer;padding:.1rem;font-size:.75rem;opacity:0;transition:opacity var(--transition)}.data-table th:hover .edit-name-btn{opacity:1}.group-edit{display:flex;align-items:center;gap:.3rem;width:100%}.group-input{flex:1;padding:.25rem .4rem;border:1.5px solid var(--primary);border-radius:.35rem;font-size:.85rem;font-family:inherit}.group-input:focus{outline:none}.edit-confirm,.edit-cancel{width:26px;height:26px;border:none;border-radius:50%;cursor:pointer;font-size:.8rem;display:flex;align-items:center;justify-content:center;padding:0;flex-shrink:0}.edit-confirm{background:#dcfce7;color:var(--success)}.edit-cancel{background:#fee2e2;color:var(--danger)}.data-row{border-bottom:1px solid var(--border);transition:background var(--transition);cursor:pointer}.data-row:hover{background:#f8fafc}.data-row.active-row{background:#f0f7ff}.data-row.weekend{background:#fafafa}.data-row.today-row{background:#f0fdf4}.data-row.today-row .day-name{color:#16a34a;font-weight:700}.data-table td{padding:.6rem .75rem;border-right:1px solid var(--border);vertical-align:top}.data-table td:last-child{border-right:none}.cell-date{text-align:center;vertical-align:middle!important;position:relative}.today-dot{width:6px;height:6px;background:#16a34a;border-radius:50%;position:absolute;top:8px;right:10px}.day-name{display:block;font-weight:600;font-size:.875rem;color:var(--text)}.day-date{display:block;font-size:.75rem;color:var(--text-3);margin-top:2px}.cell-text{padding:.4rem .5rem!important}.cell-textarea{width:100%;min-height:90px;padding:.5rem;border:1.5px solid transparent;border-radius:.4rem;font-family:inherit;font-size:.875rem;color:var(--text);background:transparent;resize:vertical;line-height:1.5;transition:border-color var(--transition),background var(--transition),box-shadow var(--transition)}.cell-textarea:hover{border-color:var(--border);background:#f8fafc}.cell-textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px #2563eb1a}.cell-action{text-align:center;vertical-align:middle!important}.save-row-btn{width:36px;height:36px;border:none;border-radius:50%;background:var(--primary-light);color:var(--primary);font-size:1rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background var(--transition),transform var(--transition)}.save-row-btn:hover{background:#dbeafe;transform:scale(1.1)}.save-row-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.summary-row{background:linear-gradient(180deg,#f0f9ff,#e0f2fe);border-top:2px solid #bae6fd}.summary-label{text-align:center;vertical-align:middle!important;font-size:.8rem;font-weight:600;color:#0369a1}.summary-icon{display:block;font-size:1.3rem;margin-bottom:.2rem}.summary-textarea{min-height:80px!important;background:#ffffffb3!important;border-color:#bae6fd!important}.summary-textarea:focus{background:#fff!important;border-color:#0284c7!important;box-shadow:0 0 0 3px #0284c71f!important}.save-summary-btn{width:36px;height:36px;border:none;border-radius:50%;background:#dcfce7;color:var(--success);font-size:1rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background var(--transition),transform var(--transition)}.save-summary-btn:hover{background:#bbf7d0;transform:scale(1.1)}.save-summary-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.toast{position:fixed;bottom:1.5rem;right:1.5rem;padding:.7rem 1.2rem;border-radius:.6rem;font-size:.875rem;font-weight:500;box-shadow:var(--shadow-lg);z-index:9999;animation:slide-in .25s ease}.toast-success{background:#dcfce7;color:#15803d;border:1px solid #bbf7d0}.toast-error{background:#fee2e2;color:var(--danger);border:1px solid #fecaca}@keyframes slide-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.spinner,.btn-spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.btn-spinner{border-color:#2563eb4d;border-top-color:var(--primary);width:14px;height:14px}