:root{--kds-bg:#0f172a;--kds-bg-secondary:#1e293b;--kds-bg-tertiary:#334155;--kds-text:#f1f5f9;--kds-text-muted:#94a3b8;--kds-border:#475569;--kds-pending:#f59e0b;--kds-pending-bg:rgba(245, 158, 11, 0.1);--kds-preparing:#3b82f6;--kds-preparing-bg:rgba(59, 130, 246, 0.1);--kds-ready:#10b981;--kds-ready-bg:rgba(16, 185, 129, 0.1);--kds-completed:#6b7280;--kds-completed-bg:rgba(107, 114, 128, 0.1);--kds-rush:#ef4444;--kds-rush-bg:rgba(239, 68, 68, 0.15);--kds-low:#8b5cf6;--kds-timer-danger:#dc2626}.kds-body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif;background:var(--kds-bg);color:var(--kds-text);min-height:100vh;overflow-x:hidden}.kds-header{position:fixed;top:0;left:0;right:0;height:70px;background:var(--kds-bg-secondary);border-bottom:1px solid var(--kds-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:1000;backdrop-filter:blur(10px)}.kds-header-left{display:flex;align-items:center;gap:12px}.kds-logo{flex-shrink:0}.kds-title h1{margin:0;font-size:24px;font-weight:700;background:linear-gradient(135deg,#00e5ff,#f0f);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.kds-subtitle{font-size:12px;color:var(--kds-text-muted);display:block;margin-top:2px}.kds-header-center{position:absolute;left:50%;transform:translateX(-50%)}.kds-clock{display:flex;flex-direction:column;align-items:center;gap:2px}#kdsClock{font-size:28px;font-weight:700;font-family:'SF Mono','Fira Code',monospace;color:var(--kds-text)}#kdsDate{font-size:12px;color:var(--kds-text-muted)}.kds-header-right{display:flex;gap:12px}.kds-btn{padding:8px 16px;border-radius:8px;border:none;font-size:14px;font-weight:500;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:6px}.kds-btn-primary{background:linear-gradient(135deg,#00e5ff,#00b8d4);color:#0f172a}.kds-btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,229,255,.4)}.kds-btn-secondary{background:var(--kds-bg-tertiary);color:var(--kds-text);border:1px solid var(--kds-border)}.kds-btn-secondary:hover{background:var(--kds-border)}.kds-stats-bar{position:fixed;top:70px;left:0;right:0;height:80px;background:var(--kds-bg-secondary);border-bottom:1px solid var(--kds-border);display:flex;align-items:center;justify-content:center;gap:24px;padding:0 24px;z-index:999}.stat-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 24px;border-radius:12px;min-width:120px;transition:.2s}.stat-card:hover{transform:translateY(-2px)}.stat-pending{background:var(--kds-pending-bg);border:1px solid var(--kds-pending)}.stat-preparing{background:var(--kds-preparing-bg);border:1px solid var(--kds-preparing)}.stat-ready{background:var(--kds-ready-bg);border:1px solid var(--kds-ready)}.stat-completed{background:var(--kds-completed-bg);border:1px solid var(--kds-completed)}.stat-icon{font-size:20px}.stat-value{font-size:28px;font-weight:700;font-family:'SF Mono','Fira Code',monospace}.stat-label{font-size:12px;color:var(--kds-text-muted)}.kds-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:16px;margin-top:150px;height:calc(100vh - 166px);overflow-x:auto}.kds-column{display:flex;flex-direction:column;background:var(--kds-bg-secondary);border-radius:12px;border:1px solid var(--kds-border);min-height:400px;overflow:hidden}.column-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--kds-bg-tertiary);border-bottom:1px solid var(--kds-border)}.column-title{font-weight:600;font-size:14px}.column-count{background:var(--kds-bg);padding:4px 10px;border-radius:12px;font-size:12px;font-weight:700;font-family:'SF Mono','Fira Code',monospace}.column-content{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}.column-content::-webkit-scrollbar{width:6px}.column-content::-webkit-scrollbar-track{background:var(--kds-bg)}.column-content::-webkit-scrollbar-thumb{background:var(--kds-border);border-radius:3px}.order-card{background:var(--kds-bg);border-radius:8px;border:2px solid var(--kds-border);overflow:hidden;transition:.2s;animation:.3s slideIn}@keyframes slideIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.order-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.3)}.order-card.priority-rush{border-color:var(--kds-rush);box-shadow:0 0 20px var(--kds-rush-bg)}.order-card.priority-low{border-color:var(--kds-low)}.order-card.order-overdue{animation:1s infinite pulse}@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4)}50%{box-shadow:0 0 0 10px rgba(220,38,38,0)}}.order-card-header{display:flex;justify-content:space-between;align-items:center;padding:12px;background:var(--kds-bg-tertiary);border-bottom:1px solid var(--kds-border)}.order-id{display:flex;align-items:center;gap:8px}.order-number{font-weight:700;font-family:'SF Mono','Fira Code',monospace;font-size:14px}.priority-badge{padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.priority-badge.rush{background:var(--kds-rush-bg);color:var(--kds-rush)}.priority-badge.low{background:rgba(139,92,246,.15);color:var(--kds-low)}.order-meta{display:flex;gap:8px;align-items:center}.table-badge{background:var(--kds-preparing-bg);color:var(--kds-preparing);padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.order-type-badge{padding:2px 8px;border-radius:4px;font-size:10px;font-weight:500;text-transform:uppercase}.order-type-badge.dine-in{background:var(--kds-preparing-bg);color:var(--kds-preparing)}.order-type-badge.takeaway{background:var(--kds-completed-bg);color:var(--kds-text-muted)}.order-items{padding:12px}.order-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--kds-bg-tertiary)}.order-item:last-child{border-bottom:none}.item-qty{font-weight:700;color:var(--kds-pending);min-width:32px;font-family:'SF Mono','Fira Code',monospace}.item-name{flex:1;font-size:14px}.item-price{color:var(--kds-text-muted);font-size:13px}.order-card-footer{display:flex;justify-content:space-between;align-items:center;padding:12px;background:var(--kds-bg-tertiary);border-top:1px solid var(--kds-border)}.order-total{display:flex;gap:8px;font-size:13px}.total-amount{font-weight:700;font-family:'SF Mono','Fira Code',monospace;color:var(--kds-ready)}.order-timer{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;font-family:'SF Mono','Fira Code',monospace}.timer-danger{color:var(--kds-timer-danger);animation:.5s infinite blink}@keyframes blink{0%,100%{opacity:1}50%{opacity:.5}}.order-actions{display:flex;gap:8px;padding:12px}.order-actions button{flex:1;padding:10px;border:none;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s}.btn-back{background:var(--kds-bg-tertiary);color:var(--kds-text);border:1px solid var(--kds-border)}.btn-back:hover{background:var(--kds-border)}.btn-advance{background:linear-gradient(135deg,var(--kds-preparing),#2563eb);color:#fff}.btn-advance:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(59,130,246,.4)}.column-pending .btn-advance{background:linear-gradient(135deg,var(--kds-pending),#d97706)}.column-ready .btn-advance{background:linear-gradient(135deg,var(--kds-ready),#059669)}.column-completed .btn-advance{display:none}.empty-state{text-align:center;padding:40px 20px;color:var(--kds-text-muted);font-size:14px}.order-alert{position:fixed;top:160px;left:50%;transform:translateX(-50%) translateY(-100px);background:linear-gradient(135deg,var(--kds-rush),#dc2626);padding:16px 24px;border-radius:12px;box-shadow:0 10px 40px rgba(239,68,68,.4);z-index:2000;opacity:0;visibility:hidden;transition:.3s}.order-alert.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.alert-content{display:flex;align-items:center;gap:12px;color:#fff}.alert-icon{font-size:20px;animation:.5s infinite bounce}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}.alert-text{font-size:14px}.alert-text strong{font-family:'SF Mono','Fira Code',monospace;font-weight:700}.alert-dismiss{background:rgba(255,255,255,.2);border:none;color:#fff;width:24px;height:24px;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:.2s}.alert-dismiss:hover{background:rgba(255,255,255,.3)}.kds-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:3000;opacity:0;visibility:hidden;transition:.3s;backdrop-filter:blur(4px)}.kds-modal-overlay.show{opacity:1;visibility:visible}.kds-modal{background:var(--kds-bg-secondary);border:1px solid var(--kds-border);border-radius:12px;width:90%;max-width:450px;max-height:80vh;overflow:hidden;transform:scale(.9) translateY(20px);transition:.3s}.kds-modal-overlay.show .kds-modal{transform:scale(1) translateY(0)}.kds-modal-large{max-width:600px}.kds-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;background:var(--kds-bg-tertiary);border-bottom:1px solid var(--kds-border)}.kds-modal-header h2{margin:0;font-size:18px;display:flex;align-items:center;gap:8px}.kds-modal-close{background:0 0;border:none;color:var(--kds-text-muted);font-size:28px;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:.2s}.kds-modal-close:hover{background:var(--kds-bg);color:var(--kds-text)}.kds-modal-body{padding:20px;overflow-y:auto;max-height:calc(80vh - 80px)}.setting-group{margin-bottom:24px}.setting-group:last-child{margin-bottom:0}.setting-group h3{margin:0 0 16px;font-size:14px;color:var(--kds-text-muted);text-transform:uppercase;letter-spacing:.5px}.setting-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--kds-bg-tertiary)}.setting-item:last-child{border-bottom:none}.setting-item label{font-size:14px}.setting-item input[type=checkbox]{width:44px;height:24px;accent-color:var(--kds-preparing)}.setting-item input[type=number]{width:80px;padding:8px 12px;border-radius:6px;border:1px solid var(--kds-border);background:var(--kds-bg);color:var(--kds-text);font-size:14px}@media (max-width:1400px){.kds-board{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.kds-header{padding:0 16px}.kds-title h1{font-size:18px}.kds-subtitle{display:none}#kdsClock{font-size:20px}.kds-stats-bar{flex-wrap:wrap;height:auto;padding:12px;gap:12px}.stat-card{min-width:80px;padding:8px 16px}.stat-icon{font-size:16px}.stat-value{font-size:22px}.stat-label{font-size:10px}.kds-board{grid-template-columns:1fr;margin-top:160px}.kds-column{min-height:300px}.order-alert{left:16px;right:16px;transform:translateY(-100px);width:auto}.order-alert.show{transform:translateY(0)}}@media (max-width:480px){.kds-stats-bar{justify-content:space-around}.stat-card{min-width:60px;padding:6px 10px}.stat-value{font-size:18px}.order-card-header,.order-items{padding:10px}.order-item{font-size:13px}.order-actions,.order-card-footer{padding:10px}}@media (max-width:1024px){.kds-board{grid-template-columns:repeat(2,1fr)}.kds-header{padding:16px 20px}.kds-title{font-size:1.5rem}}@media (min-width:1441px){.kds-board{grid-template-columns:repeat(4,1fr);max-width:1800px;margin:0 auto}}@media (max-width:375px){.kds-header{padding:12px 16px}.kds-title{font-size:1.25rem}.stat-card{min-width:50px;padding:8px}.stat-value{font-size:16px}.stat-label{font-size:10px}.order-card,.order-items{padding:8px}.order-item{font-size:12px}}@media print{.kds-btn,.kds-header,.kds-modal-overlay,.kds-stats-bar,.order-actions,.order-alert{display:none!important}.kds-board{display:block;margin-top:0}.kds-column{break-inside:avoid;margin-bottom:20px;border:1px solid #ccc}.order-card{break-inside:avoid;border-color:#ccc}}