:root {
  --primary:#007f82; --on-primary:#fff; --primary-hover:#006b6e; --primary-soft:#e0f4f1;
  --bg:#f4faf9; --surface:#fff; --surface-alt:#f5fbfa; --text:#173238; --muted:#52686c;
  --border:#cfe4e0; --success:#c25100; --success-soft:#fff1e5; --error:#b92f50; --error-soft:#fdebf0;
  --focus:#f26500; --interaction:#f26500; --interaction-soft:#fff0e2; --brand:#00666a; --brand-deep:#004d52;
  --nav:#007176; --nav-active:#00585c; --shadow:0 14px 40px rgba(0,77,82,.11); --r-sm:8px; --r-md:14px; --r-lg:32px;
  font-family:"Segoe UI",Tahoma,Arial,sans-serif; color:var(--text); background:var(--bg); color-scheme:light;
}
:root[data-theme="dark"] {
  --primary:#29b8ae; --on-primary:#062d31; --primary-hover:#49d1c6; --primary-soft:#123e3d;
  --bg:#0c1a1e; --surface:#11292d; --surface-alt:#173438; --text:#f3faf8; --muted:#accdcb;
  --border:#2d5254; --success:#ffae5c; --success-soft:#4c2a17; --error:#ff8fa6; --error-soft:#4b2634;
  --focus:#ff8500; --interaction:#ff8500; --interaction-soft:#3e2719; --brand:#07565b; --brand-deep:#02363b;
  --nav:#0b686b; --nav-active:#064d51; --shadow:0 14px 40px rgba(0,0,0,.28); color-scheme:dark;
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)} button,input,select,textarea{font:inherit;color:inherit}
button,a,select{touch-action:manipulation} button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid color-mix(in srgb,var(--focus) 45%,transparent);outline-offset:2px}
.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr);grid-template-rows:64px minmax(0,1fr);grid-template-areas:"head head" "side main"}
.topbar{grid-area:head;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:9px 14px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.wordmark{width:166px;height:44px;border-radius:var(--r-md);background:var(--brand);overflow:hidden;direction:ltr}.wordmark img{width:100%;height:100%;object-fit:cover}
.page-heading{min-width:0;flex:1}.page-heading h1{font-size:20px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page-heading p{font-size:12px;color:var(--muted);margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar{grid-area:side;position:sticky;top:64px;height:calc(100vh - 64px);padding:12px;background:linear-gradient(180deg,var(--nav),var(--brand-deep));color:white;overflow:auto;display:flex;flex-direction:column;gap:10px}
.user-card{padding:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:var(--r-md)}.user-card b,.user-card small{display:block}.user-card small{opacity:.76;margin-top:3px}.skeleton{min-height:66px;animation:pulse 1.5s infinite}
nav{display:grid;gap:4px}.nav-section{margin:11px 10px 4px;font-size:11px;font-weight:700;opacity:.7}.nav-item{border:2px solid transparent;background:transparent;color:white;border-radius:999px;min-height:40px;padding:7px 11px;display:flex;align-items:center;gap:9px;text-align:start;cursor:pointer;width:100%}.nav-item:hover{background:var(--surface);color:var(--primary);border-color:var(--interaction)}.nav-item.active{background:var(--surface);color:var(--primary);font-weight:700}.nav-icon{width:22px;text-align:center;font-size:16px}.sidebar-foot{margin-top:auto;padding:10px;border-top:1px solid rgba(255,255,255,.18);font-size:12px;display:grid;grid-template-columns:auto 1fr;gap:2px 7px;align-items:center}.sidebar-foot small{grid-column:2;opacity:.7}.dot,.status-pill span{width:8px;height:8px;border-radius:50%;background:var(--success);display:inline-block}
.content{grid-area:main;padding:18px 20px 40px;min-width:0;overflow:auto}.page-toolbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:14px}.page-toolbar h2{margin:0 auto 0 0;font-size:22px}.page-toolbar .muted{width:100%;margin:0}
.button,.icon-button,.primary,.danger{border:2px solid var(--border);background:var(--surface-alt);border-radius:999px;min-height:38px;padding:7px 14px;cursor:pointer;font-weight:600}.button:hover,.icon-button:hover{border-color:var(--interaction);background:var(--interaction-soft)}.button.compact{min-height:36px;padding:5px 11px}.icon-button{width:40px;padding:0}.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary);min-height:42px}.primary:hover{background:var(--primary-hover)}.danger{background:var(--error-soft);border-color:var(--error);color:var(--error)}button:disabled{opacity:.48;cursor:not-allowed}.wide{width:100%}
.status-pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:7px 11px;background:var(--primary-soft);color:var(--primary);font-size:12px;white-space:nowrap}.status-pill.success{background:var(--success-soft);color:var(--success);width:max-content}.status-pill.success span{background:var(--success)}
select,input,textarea{background:var(--surface);border:2px solid var(--border);border-radius:999px;min-height:42px;padding:7px 13px;max-width:100%}textarea{border-radius:var(--r-md);resize:vertical;min-height:80px}select:hover,input:hover,textarea:hover{border-color:var(--interaction)}label{display:grid;gap:6px;font-size:13px;font-weight:600}.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.form-actions{display:flex;gap:8px;align-items:end}.form-card{padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:14px;box-shadow:0 7px 20px rgba(0,77,82,.04)}.form-card h3{margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:14px;box-shadow:0 6px 18px rgba(0,77,82,.045)}.card:hover{border-color:color-mix(in srgb,var(--interaction) 55%,var(--border))}.card h3,.card h4{margin:0 0 7px}.card p{margin:4px 0}.card-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:11px}.metric{min-height:120px;display:flex;flex-direction:column;justify-content:space-between}.metric strong{font-size:27px;color:var(--primary)}.metric span{color:var(--muted)}
.muted{color:var(--muted)}.eyebrow{font-size:11px;color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.04em}.empty{padding:40px 20px;text-align:center;border:1px dashed var(--border);border-radius:var(--r-md);color:var(--muted)}.empty b{display:block;color:var(--text);font-size:18px;margin-bottom:7px}.error-panel{background:var(--error-soft);color:var(--error);padding:14px;border-radius:var(--r-md)}
.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px}.catalog-pane,.cart-pane{min-width:0}.cart-pane{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:14px;position:sticky;top:80px;height:max-content;max-height:calc(100vh - 100px);overflow:auto}.category-strip{display:flex;gap:7px;overflow:auto;padding-bottom:8px}.category-strip .active{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}.product-card{min-height:142px;display:flex;flex-direction:column;cursor:pointer}.product-card .product-icon{height:48px;width:48px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-size:22px}.product-card .price{margin-top:auto;color:var(--primary);font-weight:800}.product-card.unavailable{opacity:.55}.variant-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.variant-row button{font-size:11px;min-height:30px;padding:4px 9px}
.cart-line{display:grid;grid-template-columns:1fr auto;gap:7px;padding:10px 0;border-bottom:1px solid var(--border)}.cart-line small{display:block;color:var(--muted)}.qty{display:flex;align-items:center;gap:6px}.qty button{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--surface-alt);cursor:pointer}.totals{display:grid;gap:7px;padding:12px 0}.total-row{display:flex;justify-content:space-between}.total-row.grand{font-size:19px;font-weight:800;color:var(--primary);border-top:1px solid var(--border);padding-top:10px}
.table-map{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.table-card{min-height:145px;border-top:5px solid var(--primary)}.table-card[data-status="Occupied"]{border-top-color:var(--error)}.table-card[data-status="Reserved"]{border-top-color:var(--success)}.table-card[data-status="Cleaning"]{border-top-color:var(--focus)}.status-badge{display:inline-flex;padding:4px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:11px;font-weight:700}
.list{display:grid;gap:8px}.list-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md)}.list-row h3{font-size:15px;margin:0 0 4px}.list-row p{margin:2px 0;color:var(--muted);font-size:12px}.list-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:end}.kds{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.kds-card{border-top:6px solid var(--success)}.kds-card.preparing{border-color:var(--error)}.kds-time{font-variant-numeric:tabular-nums;color:var(--muted)}
.toolbar-search{min-width:min(320px,100%)}.switch{display:inline-flex;align-items:center;gap:8px}.switch input{width:18px;min-height:18px}.danger-text{color:var(--error)}.success-text{color:var(--success)}
.loading-state{min-height:60vh;display:grid;place-content:center;text-align:center}.spinner{width:44px;height:44px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:auto}.loading-state h2{margin-bottom:3px}.loading-state p{color:var(--muted)}
.toast-region{position:fixed;z-index:100;left:20px;bottom:20px;display:grid;gap:8px;max-width:min(410px,calc(100vw - 40px))}.toast{background:var(--text);color:var(--surface);padding:12px 15px;border-radius:var(--r-md);box-shadow:var(--shadow);animation:slide .2s ease}.toast.error{background:var(--error);color:#fff}.toast.success{background:var(--primary);color:var(--on-primary)}
dialog{width:min(620px,calc(100vw - 24px));max-height:88vh;overflow:auto;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;background:var(--surface);color:var(--text);box-shadow:var(--shadow)}dialog::backdrop{background:rgba(0,24,28,.62);backdrop-filter:blur(3px)}.dialog-close{position:absolute;top:12px;left:12px;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--surface-alt);font-size:22px;cursor:pointer}.modal-options{display:grid;gap:10px}.modal-group{padding:12px;border:1px solid var(--border);border-radius:var(--r-md)}.modal-group h4{margin:0 0 8px}.check-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px}.check-row input{min-height:18px;width:18px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:16px}.login-shell{width:min(1160px,100%);min-height:min(750px,calc(100vh - 32px));display:grid;grid-template-columns:.88fr 1.12fr;gap:16px}.login-shell.single-card{grid-template-columns:minmax(0,520px);justify-content:center;min-height:620px}.login-brand{border-radius:var(--r-lg);padding:36px;background:linear-gradient(145deg,var(--brand),var(--brand-deep));color:white;display:grid;grid-template-rows:auto 1fr auto}.login-logo{width:min(380px,100%);height:122px;object-fit:contain;object-position:left;direction:ltr}.login-copy{align-self:center;max-width:390px}.login-copy h1{font-size:39px;line-height:1.38;margin:0}.login-copy p{font-size:17px;line-height:1.75}.login-foot{font-size:14px}.login-card{border-radius:var(--r-lg);padding:28px;background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow)}.login-card h2{font-size:30px;margin:14px 0 4px}.login-card form{display:grid;gap:13px;max-width:465px;width:100%;margin:14px auto}.login-card label input{width:100%}.login-compact-brand{display:flex;gap:8px;align-items:center;color:var(--primary);direction:ltr}.login-compact-brand img{width:40px;height:40px}.form-error:empty{display:none}.form-error{padding:10px;background:var(--error-soft);color:var(--error);border-radius:var(--r-sm)}.security-note{font-size:12px;color:var(--muted);text-align:center}
.mobile-only{display:none}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.55}}@keyframes slide{from{transform:translateY(10px);opacity:0}}
@media(max-width:980px){.app-shell{grid-template-columns:220px minmax(0,1fr)}.pos-layout{grid-template-columns:1fr}.cart-pane{position:static;max-height:none}.wordmark{width:130px}.topbar .status-pill{display:none}}
@media(max-width:720px){.app-shell{display:block}.topbar{height:60px;padding:8px;position:sticky}.sidebar{position:fixed;z-index:40;top:60px;right:0;width:min(290px,88vw);height:calc(100vh - 60px);transform:translateX(105%);transition:transform .2s ease;box-shadow:var(--shadow)}.sidebar.open{transform:none}.mobile-only{display:inline-grid;place-items:center}.wordmark{width:44px}.wordmark img{object-fit:cover;object-position:left}.page-heading p{display:none}.content{padding:12px}.topbar select{width:54px;padding:5px}.topbar #logout{display:none}.grid{grid-template-columns:1fr 1fr}.product-grid{grid-template-columns:1fr 1fr}.login-shell{grid-template-columns:1fr;min-height:auto}.login-brand{display:none}.login-card{min-height:calc(100vh - 32px);padding:22px}.list-row{grid-template-columns:1fr}.list-actions{justify-content:start}.form-actions{align-items:stretch}.page-toolbar h2{width:100%;margin:0}.status-pill{padding:6px 9px}}
@media(max-width:430px){.grid,.product-grid{grid-template-columns:1fr}.page-heading h1{font-size:16px}.topbar{gap:6px}.topbar select{display:none}.card{padding:12px}}