:root{--bg-primary: #f4f6f9;--bg-secondary: #ffffff;--bg-tertiary: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #ffffff;--border-color: #e2e8f0;--border-color-hover: #cbd5e1;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #ff6d00;--accent-secondary: #e65100;--accent-gradient: linear-gradient(135deg, #ff6d00, #ff8200);--success: #15803d;--success-bg: #f0fdf4;--success-border: #bbf7d0;--danger: #d32f2f;--danger-bg: #fef2f2;--danger-border: #fca5a5;--info: #1d4ed8;--info-bg: #eff6ff;--info-border: #bfdbfe;--warning: #b45309;--warning-bg: #fffbeb;--warning-border: #fde68a;--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition-smooth: all .2s cubic-bezier(.4, 0, .2, 1);--radius-lg: 10px;--radius-xl: 14px;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .05), 0 1px 2px -1px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .04), 0 4px 6px -4px rgba(0, 0, 0, .04)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);padding:28px 20px;display:flex;flex-direction:column;gap:36px;position:fixed;height:100vh;z-index:100;box-shadow:var(--shadow-sm)}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700;color:var(--accent-primary);letter-spacing:-.5px}.brand span:last-child{color:var(--text-primary)}.menu-list{list-style:none;display:flex;flex-direction:column;gap:6px}.menu-item{width:100%;padding:11px 14px;border-radius:var(--radius-lg);cursor:pointer;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500;color:var(--text-secondary);background:transparent;border:none;text-align:left;transition:var(--transition-smooth)}.menu-item:hover{color:var(--accent-primary);background-color:var(--bg-primary)}.menu-item.active{color:#fff;background:var(--accent-gradient);box-shadow:0 4px 12px #0052cc33}.main-content{flex:1;margin-left:260px;padding:40px 48px;max-width:1300px;margin-right:auto}.content-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;gap:16px;border-bottom:1px solid var(--border-color);padding-bottom:24px}.page-title h1{font-size:24px;font-weight:700;color:var(--text-primary);letter-spacing:-.75px;margin-bottom:4px}.page-title p{color:var(--text-secondary);font-size:14px}.glass-panel{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}.stat-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:20px 24px;display:flex;align-items:center;gap:20px;transition:var(--transition-smooth);box-shadow:var(--shadow-sm)}.stat-card:hover{border-color:var(--border-color-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-icon{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.stat-info h3{font-size:11px;color:var(--text-secondary);font-weight:700;text-transform:uppercase;letter-spacing:.75px;margin-bottom:4px}.stat-info p{font-size:22px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:6px;font-weight:600;font-size:13.5px;cursor:pointer;border:1px solid transparent;transition:var(--transition-smooth);white-space:nowrap}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{background:var(--accent-secondary);box-shadow:0 4px 12px #0052cc26}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--bg-primary);border-color:var(--border-color-hover)}.btn-danger{background-color:#ef4444;color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-sm{padding:6px 12px;font-size:12px;border-radius:4px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.form-control{background-color:#fff;border:1px solid var(--border-color);border-radius:6px;padding:10px 14px;color:var(--text-primary);font-family:inherit;font-size:14px;transition:var(--transition-smooth);width:100%}.form-control:focus{outline:none;border-color:var(--accent-primary);background-color:#fff;box-shadow:0 0 0 3px #0052cc1a}.form-control:disabled{background-color:var(--bg-primary);color:var(--text-secondary);cursor:not-allowed}.rooms-grid{display:flex;flex-direction:column;gap:20px}.room-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:20px;display:flex;flex-direction:row;gap:24px;transition:var(--transition-smooth);box-shadow:var(--shadow-sm);align-items:stretch}.room-card:hover{border-color:var(--border-color-hover);box-shadow:var(--shadow-md)}.room-card-image{width:260px;height:180px;object-fit:cover;border-radius:var(--radius-lg);flex-shrink:0}.room-info-content{flex:1;display:flex;flex-direction:column;gap:10px}.room-header{display:flex;justify-content:space-between;align-items:center}.room-number{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.2px}.badge{padding:4px 10px;border-radius:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;border:1px solid transparent}.badge-vacant{background-color:var(--success-bg);color:var(--success);border-color:var(--success-border)}.badge-occupied{background-color:var(--info-bg);color:var(--info);border-color:var(--info-border)}.room-price-tag{font-size:18px;font-weight:700;color:var(--danger)}.room-details-inline{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-secondary)}.room-details-inline .dot{color:var(--text-muted)}.room-tenant-box{background-color:var(--info-bg);border:1px solid var(--info-border);border-radius:var(--radius-lg);padding:10px 16px;display:flex;flex-direction:column;gap:4px;width:fit-content;min-width:280px}.room-tenant-title{font-size:10px;color:var(--text-secondary);text-transform:uppercase;font-weight:700;letter-spacing:.5px}.room-tenant-name{font-size:13.5px;font-weight:700;color:var(--accent-primary)}.room-tenant-phone{font-size:12px;color:var(--text-secondary)}.room-actions-list{display:flex;gap:8px;margin-top:4px;flex-wrap:wrap}@media (max-width: 768px){.room-card{flex-direction:column;gap:16px}.room-card-image{width:100%;height:180px}.room-tenant-box{width:100%}}.table-container{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border-color);background-color:#fff}.custom-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.custom-table th{color:var(--text-secondary);font-weight:700;padding:14px 18px;border-bottom:1px solid var(--border-color);background-color:var(--bg-primary);font-size:11px;text-transform:uppercase;letter-spacing:.5px}.custom-table td{padding:14px 18px;border-bottom:1px solid var(--border-color);color:var(--text-primary);background-color:#fff}.custom-table tbody tr{transition:var(--transition-smooth)}.custom-table tbody tr:hover td{background-color:var(--bg-primary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172a66;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .15s ease-in-out}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-content{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);width:90%;max-width:520px;padding:28px;box-shadow:var(--shadow-lg);transform:scale(.98);transition:transform .15s ease-in-out}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:1px solid var(--border-color);padding-bottom:12px}.modal-title{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.modal-close{cursor:pointer;background:none;border:none;color:var(--text-secondary);font-size:24px;transition:var(--transition-smooth)}.modal-close:hover{color:var(--text-primary)}.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;border-top:1px solid var(--border-color);padding-top:16px}#toastContainer{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px}.toast{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-left:4px solid var(--accent-primary);border-radius:6px;padding:14px 20px;min-width:320px;display:flex;align-items:center;gap:12px;color:var(--text-primary);box-shadow:var(--shadow-lg);transform:translateY(20px);opacity:0;transition:var(--transition-smooth)}.toast.show{transform:translateY(0);opacity:1}.toast.success{border-left-color:var(--success);background-color:var(--success-bg);color:var(--success)}.toast.error{border-left-color:var(--danger);background-color:var(--danger-bg);color:var(--danger)}.toast-icon{font-size:16px;font-weight:700}.receipt-container{background-color:#fff;color:#0f172a;border-radius:var(--radius-lg);padding:30px;font-family:monospace;border:1px dashed #cbd5e1;margin-top:10px}.receipt-header{text-align:center;margin-bottom:24px;border-bottom:1px dashed #cbd5e1;padding-bottom:16px}.receipt-row{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px}.receipt-row.total{border-top:1px dashed #cbd5e1;padding-top:12px;font-weight:700;font-size:16px;margin-top:12px}@media print{body *{visibility:hidden}#printArea,#printArea *{visibility:visible}#printArea{position:absolute;left:0;top:0;width:100%;background-color:#fff!important;color:#000!important}.modal-close,.modal-footer,.sidebar,.btn{display:none!important}}