/* =====================================================================
   BAGDAD DÖNER — Touch-POS Kassensystem
   ===================================================================== */
:root{
  --ink:#1a1a1f;
  --ink-2:#1e1e24;
  --ink-3:#24242c;
  --card:#1a1a1e;
  --card-hover:#22222a;
  --bone:#f8f4ec;
  --muted:#7a7572;
  --accent:#D4A843;
  --accent-2:#E8C26A;
  --red:#C0392B;
  --green:#27ae60;
  --blue:#2980b9;
  --line:rgba(255,255,255,.06);
  --serif:"Playfair Display",Georgia,serif;
  --grotesk:"Space Grotesk",-apple-system,Segoe UI,sans-serif;
  --sans:"Inter",-apple-system,Segoe UI,Roboto,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden}
body{
  font-family:var(--sans);background:#111114;color:var(--bone);
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;
  touch-action:manipulation;
}
button{font-family:inherit;cursor:pointer;border:none;-webkit-user-select:none;user-select:none}

/* ===== HEADER ===== */
.pos-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:.6rem 1.2rem;background:rgba(17,17,20,.98);
  border-bottom:1px solid var(--line);flex-shrink:0;
}
.pos-brand{display:flex;flex-direction:column;line-height:.9}
.pos-brand .brand-b{font-family:var(--serif);font-size:1rem;font-weight:700;letter-spacing:.18em;color:var(--accent)}
.pos-brand .brand-sub{font-family:var(--grotesk);font-size:.44rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.pos-nav{display:flex;gap:.2rem;background:var(--ink-2);border-radius:10px;padding:.25rem}
.pos-nav-link{
  padding:.4rem .8rem;border-radius:8px;
  font-family:var(--grotesk);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;transition:.2s;font-weight:500;
}
.pos-nav-link.active{background:var(--accent);color:var(--ink);font-weight:600}
.pos-clock{font-family:var(--grotesk);font-size:.8rem;color:var(--muted)}

/* ===== MAIN LAYOUT ===== */
.pos-main{
  flex:1;display:grid;grid-template-columns:1fr 340px;
  overflow:hidden;min-height:0;
}

/* ===== TILE SECTION ===== */
.pos-tiles-section{
  display:flex;flex-direction:column;overflow:hidden;
  border-right:1px solid var(--line);
}
.pos-cat-tabs{
  display:flex;gap:.3rem;padding:.6rem 1rem;
  overflow-x:auto;flex-shrink:0;
  background:var(--ink);
}
.pos-cat-tabs::-webkit-scrollbar{height:0}
.cat-tab{
  padding:.45rem .9rem;border-radius:100px;
  font-family:var(--grotesk);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;
  background:var(--ink-2);color:var(--muted);border:1px solid var(--line);
  white-space:nowrap;transition:.2s;font-weight:500;
}
.cat-tab.active{background:var(--accent);color:var(--ink);border-color:var(--accent);font-weight:600}

.pos-tiles{
  flex:1;overflow-y:auto;padding:.8rem;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.6rem;
  align-content:start;
}
.pos-tiles::-webkit-scrollbar{width:4px}
.pos-tiles::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:4px}

.pos-tile{
  aspect-ratio:1;min-height:100px;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.3rem;padding:.8rem;cursor:pointer;
  transition:.15s var(--ease);position:relative;
}
.pos-tile:active{transform:scale(.95);background:var(--card-hover)}
.pos-tile.oos{opacity:.3;pointer-events:none}
.pos-tile-name{
  font-family:var(--grotesk);font-size:.76rem;font-weight:600;
  text-align:center;line-height:1.2;
}
.pos-tile-price{
  font-family:var(--grotesk);font-size:.85rem;font-weight:700;color:var(--accent);
}
.pos-tile-badge{
  position:absolute;top:.4rem;right:.4rem;
  font-size:.5rem;padding:.15rem .4rem;border-radius:100px;
  background:var(--red);color:#fff;font-weight:600;
  font-family:var(--grotesk);letter-spacing:.04em;text-transform:uppercase;
}
.pos-tile .oos-label{
  position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--grotesk);font-size:.6rem;color:var(--red);
  letter-spacing:.08em;text-transform:uppercase;font-weight:700;
  background:rgba(17,17,20,.7);border-radius:14px;
}

/* ===== SIDEBAR / CART ===== */
.pos-sidebar{
  display:flex;flex-direction:column;background:var(--ink);
  overflow:hidden;
}
.pos-cart-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:.8rem 1rem;border-bottom:1px solid var(--line);
}
.pos-cart-head h3{
  font-family:var(--grotesk);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;font-weight:600;
}
.pos-clear-btn{
  padding:.3rem .7rem;border-radius:8px;font-size:.62rem;
  background:rgba(192,57,43,.15);color:var(--red);
  font-family:var(--grotesk);letter-spacing:.06em;text-transform:uppercase;font-weight:600;
}
.pos-cart-items{
  flex:1;overflow-y:auto;padding:.6rem 1rem;
}
.pos-empty{
  text-align:center;padding:2rem 1rem;color:var(--muted);
  font-size:.82rem;
}
.pos-cart-item{
  display:flex;align-items:center;gap:.6rem;
  padding:.6rem 0;border-bottom:1px solid var(--line);
}
.pos-cart-item-info{flex:1}
.pos-cart-item-name{font-size:.82rem;font-weight:500}
.pos-cart-item-price{font-family:var(--grotesk);font-size:.76rem;color:var(--accent);font-weight:600}
.pos-cart-item-qty{
  display:flex;align-items:center;gap:0;
  border:1px solid var(--line);border-radius:8px;overflow:hidden;
}
.pos-cart-item-qty button{
  width:28px;height:28px;display:grid;place-items:center;
  background:transparent;color:var(--bone);font-size:.9rem;
}
.pos-cart-item-qty button:hover{background:rgba(255,255,255,.06)}
.pos-cart-item-qty span{
  width:24px;text-align:center;font-family:var(--grotesk);font-size:.78rem;font-weight:600;
}
.pos-cart-item-del{
  width:24px;height:24px;display:grid;place-items:center;
  border-radius:50%;background:rgba(192,57,43,.15);color:var(--red);
  border:none;font-size:.7rem;
}

.pos-cart-foot{
  border-top:1px solid var(--line);padding:.8rem 1rem;
}
.pos-total-line{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:.8rem;
}
.pos-total-line span:first-child{
  font-family:var(--grotesk);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);
}
.pos-total-line span:last-child{
  font-family:var(--serif);font-size:1.8rem;font-weight:700;color:var(--accent);
}
.pos-fast-cash{
  display:flex;gap:.3rem;flex-wrap:wrap;margin-bottom:.6rem;
}
.pos-fast-btn{
  flex:1;min-width:48px;min-height:44px;padding:.3rem .3rem;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--bone);
  font-family:var(--grotesk);font-size:.7rem;font-weight:700;
  transition:.15s;text-align:center;
}
.pos-fast-btn:hover{background:rgba(255,255,255,.08);border-color:var(--gold)}
.pos-fast-btn.passend{background:rgba(212,175,55,.1);border-color:rgba(212,175,55,.3);color:var(--gold)}
.pos-cart-actions{display:flex;gap:.5rem}
.pos-pay-btn{
  flex:1;padding:.8rem;border-radius:12px;
  font-family:var(--grotesk);font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;font-weight:700;
  transition:.15s;
}
.pos-pay-btn.bar{background:var(--accent);color:var(--ink)}
.pos-pay-btn.bar:hover{background:var(--accent-2)}
.pos-pay-btn.ec{background:var(--blue);color:#fff}
.pos-pay-btn.ec:hover{background:#3498db}

/* ===== MODALS ===== */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,.65);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .25s;padding:1rem;
}
.modal-overlay.on{opacity:1;pointer-events:auto}
.modal{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  max-width:420px;width:100%;overflow:hidden;
  transform:translateY(16px) scale(.97);transition:transform .3s var(--ease);
}
.modal-overlay.on .modal{transform:none}
.modal-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:1.2rem 1.4rem;border-bottom:1px solid var(--line);
}
.modal-head h3{font-family:var(--serif);font-size:1.2rem}
.modal-close{
  width:32px;height:32px;display:grid;place-items:center;
  border-radius:50%;background:transparent;color:var(--bone);border:none;
}
.modal-close:hover{background:rgba(255,255,255,.06)}
.modal-close svg{width:16px;height:16px}
.modal-body{padding:1.4rem}

/* Cash Modal */
.cash-total{
  display:flex;justify-content:space-between;align-items:center;
  padding:1rem;background:var(--ink-2);border-radius:10px;margin-bottom:1rem;
}
.cash-total span:first-child{font-family:var(--grotesk);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.cash-total span:last-child{font-family:var(--serif);font-size:1.6rem;font-weight:700;color:var(--accent)}
.cash-input-group{margin-bottom:1rem}
.cash-input-group label{font-family:var(--grotesk);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.5rem}
.cash-presets{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.6rem}
.cash-preset{
  padding:.55rem 1rem;border-radius:10px;border:1px solid var(--line);
  background:var(--ink-2);color:var(--bone);
  font-family:var(--grotesk);font-size:.78rem;font-weight:600;
}
.cash-preset:hover{border-color:var(--accent)}
.cash-preset.active{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.cash-input{
  width:100%;padding:.7rem 1rem;border-radius:10px;border:1px solid var(--line);
  background:var(--ink-2);color:var(--bone);
  font-family:var(--grotesk);font-size:1.2rem;font-weight:600;
  text-align:center;
}
.cash-input:focus{outline:none;border-color:var(--accent)}
.cash-change{
  display:flex;justify-content:space-between;align-items:center;
  padding:1rem;border-radius:10px;background:rgba(39,174,96,.1);
  border:1px solid rgba(39,174,96,.2);margin-bottom:1rem;
}
.cash-change span:first-child{font-family:var(--grotesk);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
.change-amount{font-family:var(--serif);font-size:1.5rem;font-weight:700;color:var(--green)}
.change-amount-large{
  font-family:var(--serif);font-size:2.2rem;font-weight:700;color:var(--emerald);letter-spacing:.02em;
}
.cash-preset.passend{background:rgba(212,175,55,.12);border-color:rgba(212,175,55,.3);color:var(--gold);font-weight:700}
.pos-confirm-btn{
  width:100%;padding:.85rem;border-radius:12px;border:none;
  background:var(--accent);color:var(--ink);
  font-family:var(--grotesk);font-size:.82rem;letter-spacing:.08em;
  text-transform:uppercase;font-weight:700;cursor:pointer;
}
.pos-confirm-btn:hover{background:var(--accent-2)}

/* Z-Bon Modal */
.zbon-modal .modal-body{
  background:#fff;color:#111;font-family:"Courier New",monospace;
  font-size:.8rem;line-height:1.5;white-space:pre-wrap;
  max-height:60vh;overflow-y:auto;
}
.zbon-header{text-align:center;border-bottom:2px dashed #111;padding-bottom:.5rem;margin-bottom:.5rem}
.zbon-row{display:flex;justify-content:space-between;margin:.15rem 0}
.zbon-divider{border-top:1px dashed #999;margin:.5rem 0}
.zbon-total{border-top:2px dashed #111;padding-top:.4rem;margin-top:.4rem;font-weight:700;display:flex;justify-content:space-between}
.zbon-footer{text-align:center;margin-top:.6rem;font-size:.7rem;color:#555;border-top:1px dashed #999;padding-top:.5rem}
.zbon-actions{display:flex;justify-content:center;padding:1rem;border-top:1px solid var(--line)}
.zbon-actions .pos-confirm-btn{width:auto;padding:.7rem 2rem}

/* ---- Mobile Tab Toggle ---- */
.pos-mobile-tabs{
  display:none;gap:0;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;background:rgba(11,15,23,.96);
}
.pos-mobile-tab{
  flex:1;min-height:48px;padding:.5rem .3rem;
  background:transparent;border:none;border-bottom:2px solid transparent;
  font-family:var(--grotesk);font-size:.72rem;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);cursor:pointer;transition:.2s;
}
.pos-mobile-tab.active{border-color:var(--gold);color:var(--gold)}
.pos-mobile-tab span{font-size:.65rem;color:var(--muted);margin-left:.3rem}

/* ===== RESPONSIVE ===== */
@media(max-width:767px){
  .pos-mobile-tabs{display:flex}
  .pos-main{grid-template-columns:1fr!important;grid-template-rows:1fr}
  .pos-sidebar{max-height:none;border-top:none}
  .pos-tiles{grid-template-columns:repeat(3,1fr)!important;gap:.35rem;padding:.5rem}
  .pos-tile{min-height:80px;padding:.5rem}
  .pos-tile-name{font-size:.68rem}
  .pos-tile-price{font-size:.72rem}
  .pos-header{padding:.35rem .6rem}
  .pos-nav{display:none}
  .pos-fast-btn{font-size:.6rem;padding:.2rem .2rem;min-width:40px}
  .cash-modal{width:92vw}
  .cash-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:.3rem}
  .change-amount-large{font-size:1.6rem!important}
}
@media(min-width:768px){
  .pos-tiles-section.hidden{display:flex!important}
  .pos-sidebar.hidden{display:flex!important}
}