:root{--bg-color: #f5f6fa;--sidebar-bg: #ffffff;--text-primary: #333333;--text-secondary: #666666;--accent-color: #000000;--border-color: #e0e0e0;--danger-color: #d32f2f;--sidebar-width: 280px;--header-height: 80px;--radius-lg: 16px;--radius-md: 8px;--radius-sm: 4px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;background:none;font-family:inherit}ul{list-style:none}a{text-decoration:none;color:inherit}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.text-center{text-align:center}.font-bold{font-weight:700}.w-full{width:100%}.app-layout{display:flex;min-height:100vh;width:100vw;background-color:var(--bg-color)}.sidebar{width:var(--sidebar-width);background-color:var(--sidebar-bg);height:100vh;position:fixed;left:0;top:0;display:flex;flex-direction:column;padding:24px;border-right:1px solid var(--border-color)}.sidebar-header{height:60px;margin-bottom:40px}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:12px}.nav-item{display:flex;align-items:center;padding:12px 16px;border-radius:var(--radius-md);color:var(--text-secondary);transition:all .2s ease;font-size:14px;font-weight:500}.nav-item:hover{background-color:#f9fafb;color:var(--text-primary)}.nav-item.active{background-color:#f3f4f6;color:var(--accent-color);font-weight:600}.nav-icon{margin-right:12px;display:flex;align-items:center}.sidebar-footer{margin-top:auto}.logout-btn{display:flex;align-items:center;padding:12px 16px;color:var(--danger-color);font-weight:500;font-size:14px;width:100%;border-radius:var(--radius-md);transition:background-color .2s}.logout-btn:hover{background-color:#fef2f2}.logout-icon{margin-right:12px}.main-wrapper{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-width:0}.header{height:var(--header-height);background-color:var(--bg-color);padding:0 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#0000001a,0 2px 4px -1px #0000000f;opacity:1}.nav-item{transition:all .2s ease}.nav-item:hover{transform:translate(4px)}.mobile-menu-btn{display:none;position:fixed;top:20px;left:20px;z-index:100;background:#fff;padding:8px;border-radius:8px;box-shadow:var(--shadow-md);color:var(--text-primary)}.close-sidebar-btn{display:none;position:absolute;top:20px;right:20px;color:var(--text-secondary)}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#00000080;z-index:40;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.finance-container{overflow-x:auto}.finance-container::-webkit-scrollbar{height:8px}.finance-container::-webkit-scrollbar-track{background:transparent}.finance-container::-webkit-scrollbar-thumb{background-color:#0003;border-radius:4px}.week-slider-wrapper{position:relative;display:flex;align-items:center;gap:12px;margin-bottom:24px}.week-slider-container{display:flex;gap:16px;overflow-x:auto;padding:4px 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ease-in-out;z-index:50;box-shadow:var(--shadow-md)}.sidebar.open{transform:translate(0)}.main-wrapper{margin-left:0}.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.close-sidebar-btn{display:block}.sidebar-header{display:flex;justify-content:center;position:relative}.sidebar-logo{max-width:80%}.sidebar-overlay{display:block}.header{justify-content:flex-end;padding-left:80px}.page-content{padding:20px}}.summary-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:24px}.summary-card{background:#f9fafb;border-radius:var(--radius-md);padding:20px;border:1px solid var(--border-color);display:flex;flex-direction:column;gap:8px}.summary-card h3{font-size:14px;color:var(--text-secondary);font-weight:500;margin:0;text-transform:uppercase;letter-spacing:.5px}.summary-card .summary-value{font-size:24px;font-weight:700;color:var(--text-primary);margin:0}@keyframes 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var(--border-color);border-radius:var(--radius-md);font-weight:600;font-size:14px;color:var(--text-primary);box-shadow:var(--shadow-sm)}.current-date-range{font-size:18px;font-weight:700;color:var(--text-primary);min-width:180px;text-align:center}.calendar-actions{display:flex;align-items:center;gap:12px}.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);color:var(--text-secondary);transition:background-color .2s}.icon-btn:hover{background-color:#f3f4f6;color:var(--text-primary)}.add-appointment-btn{background-color:#0f172a;color:#fff;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:14px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;transition:all .2s}.add-appointment-btn:hover{background-color:#1e293b;transform:translateY(-1px)}.calendar-container{background:#fff;border-radius:20px;padding:24px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;display:flex;flex-direction:column;gap:20px}.calendar-grid-header{display:grid;grid-template-columns:80px repeat(7,1fr);border-bottom:1px solid var(--border-color);background-color:#f9fafb}.day-header{padding:4px 2px;text-align:center;border-left:1px solid var(--border-color);display:flex;flex-direction:column;align-items:center;gap:4px}.day-name{font-size:11px;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.5px}.day-date{width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;border-radius:50%;color:var(--text-primary)}.day-header.today .day-date{background-color:#0f172a;color:#fff}.day-indicator{width:8px;height:8px;border-radius:50%;border:1px solid #e2e8f0;margin-top:4px}.calendar-grid-body{flex:1;overflow-y:auto;overflow-x:auto;display:grid;grid-template-rows:repeat(13,60px)}.calendar-row{display:grid;grid-template-columns:80px repeat(7,1fr);border-bottom:1px solid 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.1s}.appointment-chip:hover{transform:scale(1.02);z-index:5}.apt-client{font-weight:700;color:inherit;margin-bottom:2px}.apt-service{color:inherit;font-weight:500}.more-appointments{font-size:10px;color:var(--text-secondary);text-align:center;padding:2px;background:#f1f5f9;border-radius:4px}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease-out forwards}.modal-content{background:#fff;width:90%;max-width:500px;border-radius:20px;box-shadow:0 25px 50px -12px #00000040;display:flex;flex-direction:column;overflow:hidden;max-height:85vh;animation:slideUp .3s cubic-bezier(.16,1,.3,1) forwards}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{padding:24px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:flex-start}.modal-title{font-size:20px;font-weight:700;margin-bottom:4px}.modal-subtitle{font-size:14px;color:var(--text-secondary)}.close-btn{padding:8px;border-radius:50%;color:var(--text-secondary);transition:background-color .2s}.close-btn:hover{background-color:#f3f4f6;color:var(--text-primary)}.modal-body{padding:24px;overflow-y:auto}.empty-state{text-align:center;padding:40px 0;color:var(--text-secondary)}.create-apt-btn{margin-top:16px;background-color:#0f172a;color:#fff;padding:8px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500}.appointments-list{display:flex;flex-direction:column;gap:16px}.appointment-card-detail{background:#f8fafc;border-radius:12px;padding:16px;border:1px solid var(--border-color);transition:all .2s}.appointment-card-detail:hover{box-shadow:var(--shadow-sm);background:#fff}.apt-detail-header{display:flex;justify-content:space-between;margin-bottom:12px}.client-info{display:flex;align-items:center;gap:10px}.client-avatar-placeholder{width:32px;height:32px;background:#e2e8f0;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#64748b}.client-name{font-weight:600;color:var(--text-primary)}.apt-time-badge{background:#fff;padding:4px 8px;border-radius:20px;font-size:12px;font-weight:600;color:var(--text-secondary);border:1px solid var(--border-color);display:flex;align-items:center;gap:4px}.apt-detail-body{display:flex;flex-direction:column;gap:8px}.detail-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-secondary)}.detail-icon{color:#94a3b8}.staff-label{font-size:13px}.modal-footer{padding:20px 24px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:12px;background:#f9fafb}.secondary-btn{padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:14px;color:var(--text-secondary)}.secondary-btn:hover{background:#e2e8f0;color:var(--text-primary)}.primary-btn{padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:14px;background-color:#0f172a;color:#fff;box-shadow:var(--shadow-sm)}.primary-btn:hover{background-color:#1e293b}.cell-tooltip{display:none;position:absolute;top:50%;left:100%;margin-left:10px;background:#fff;border:1px solid var(--border-color);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;border-radius:var(--radius-md);padding:12px;width:250px;min-width:200px;z-index:100;pointer-events:none;animation:fadeIn .2s ease-out}.calendar-cell{position:relative}.calendar-cell:hover .cell-tooltip{display:block}.calendar-cell:nth-child(n+5) .cell-tooltip{left:auto;right:100%;margin-left:0;margin-right:10px}.tooltip-header{font-weight:700;font-size:13px;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid #f1f5f9;color:var(--text-primary)}.tooltip-item{margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid #f8fafc}.tooltip-item:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.tooltip-row{font-size:11px;display:flex;justify-content:space-between;margin-bottom:3px;align-items:flex-start}.tooltip-row .label{color:var(--text-secondary);font-weight:500;margin-right:8px;white-space:nowrap}.tooltip-row .value{color:var(--text-primary);font-weight:600;text-align:right;word-break:break-word}