:root{--primary: #2563eb;--primary-dark: #1d4ed8;--success: #16a34a;--warning: #f59e0b;--danger: #dc2626;--bg: #f1f5f9;--card: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--sidebar-bg: #1a1a2e;--sidebar-text: #cbd5e1;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Noto Sans Thai,Sarabun,Prompt,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;border:none;cursor:pointer;transition:all .2s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-sm{padding:4px 10px;font-size:12px}.btn-lg{padding:12px 24px;font-size:16px}.btn-block{width:100%;justify-content:center}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-NEW{background:#dbeafe;color:#1d4ed8}.badge-ACCEPTED,.badge-IN_PROGRESS{background:#fef3c7;color:#92400e}.badge-DONE{background:#dcfce7;color:#166534}.badge-CANCELLED,.badge-REJECTED{background:#fee2e2;color:#991b1b}.badge-overdue{background:#fee2e2;color:#dc2626;animation:pulse 2s infinite}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;outline:none;font-family:inherit}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}textarea{resize:vertical;min-height:80px}label{display:block;font-size:14px;font-weight:500;margin-bottom:4px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;padding:12px;background:var(--bg);font-weight:600;white-space:nowrap}.data-table td{padding:10px 12px;border-bottom:1px solid var(--border)}.data-table tr:hover td{background:#f8fafc}.kanban-board{display:flex;gap:16px;overflow-x:auto;padding-bottom:16px;min-height:60vh}.kanban-column{min-width:280px;flex:1;background:var(--bg);border-radius:var(--radius);display:flex;flex-direction:column}.kanban-column-header{padding:12px 16px;border-radius:var(--radius) var(--radius) 0 0;font-weight:600;display:flex;justify-content:space-between;align-items:center;color:#fff}.kanban-column-body{padding:8px;flex:1;min-height:200px}.request-card{background:#fff;border-radius:8px;padding:12px;margin-bottom:8px;box-shadow:var(--shadow);border-left:4px solid var(--border);cursor:pointer;transition:all .2s}.request-card:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}.request-card .room-badge{font-weight:700;font-size:16px;color:var(--primary)}.request-card .service-name{font-size:14px;margin:4px 0}.request-card .guest-note{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.request-card .meta{display:flex;justify-content:space-between;align-items:center;margin-top:6px}.stat-card{text-align:center;padding:20px}.stat-card .number{font-size:36px;font-weight:700}.stat-card .label{font-size:14px;color:var(--text-secondary);margin-top:4px}.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:20px;overflow-x:auto}.tab{padding:10px 20px;cursor:pointer;font-weight:500;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap}.tab:hover{color:var(--primary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:#fff;border-radius:var(--radius);max-height:90vh;overflow-y:auto;width:100%;max-width:600px;box-shadow:0 20px 60px #0000004d}.modal-header{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-body{padding:20px}.sidebar-layout{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--sidebar-bg);color:var(--sidebar-text);flex-shrink:0}.sidebar-logo{padding:20px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-nav{padding:8px}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:8px;color:var(--sidebar-text);text-decoration:none;cursor:pointer;transition:all .2s}.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff1a;color:#fff}.main-content{flex:1;padding:24px;overflow-x:hidden}.guest-page{max-width:480px;margin:0 auto;padding:16px;min-height:100vh}.guest-header{text-align:center;padding:20px 0}.guest-header h1{font-size:20px}.guest-header .room-number{font-size:48px;font-weight:800;color:var(--primary);margin:8px 0}.guest-header .welcome{font-size:14px;color:var(--text-secondary)}.category-pills{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none}.category-pill{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:13px;white-space:nowrap;cursor:pointer;transition:all .2s}.category-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.service-btn{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 12px;text-align:center;cursor:pointer;transition:all .2s;min-height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.service-btn:hover{border-color:var(--primary)}.service-btn.selected{border-color:var(--primary);background:#eff6ff}.service-btn .icon{font-size:28px}.service-btn .name{font-size:12px;font-weight:500}.qty-selector{display:flex;align-items:center;gap:12px;justify-content:center;padding:12px 0}.qty-btn{width:40px;height:40px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;cursor:pointer;background:#fff}.qty-btn:hover{border-color:var(--primary);color:var(--primary)}.qty-value{font-size:24px;font-weight:700;min-width:40px;text-align:center}.request-list{margin-top:20px}.request-item{background:#fff;border-radius:8px;padding:12px 16px;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}.spinner{width:32px;height:32px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-slideUp{animation:slideUp .3s ease}.animate-fadeIn{animation:fadeIn .3s ease}@media (max-width:768px){.sidebar-layout{flex-direction:column}.sidebar{width:100%}.sidebar-nav{display:flex;overflow-x:auto;gap:4px;padding:8px}.sidebar-nav a{white-space:nowrap;padding:8px 12px;font-size:13px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.kanban-column{min-width:260px}.stat-card .number{font-size:28px}}