:root{
  --bg:#0d1017; --bg2:#141924; --bg3:#1b2231; --line:#232c3d;
  --txt:#e6ecf5; --dim:#8b97ad; --acc:#3d7dff; --acc2:#00d1b2;
  --free:#2a3346; --busy:#1d6b4f; --warn:#b5761c; --dngr:#c0392b; --vip:#6b3fa0;
  --r:12px; --f:'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font:14px/1.45 var(--f);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--acc);text-decoration:none}

/* ---------- ust bar ---------- */
header{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:12px 20px;background:linear-gradient(180deg,#151b28,#10141d);border-bottom:1px solid var(--line)}
header h1{font-size:17px;font-weight:700;letter-spacing:.3px}
header h1 span{color:var(--acc2)}
.stat{display:flex;flex-direction:column;line-height:1.2}
.stat b{font-size:16px}
.stat small{color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.spacer{flex:1}
.clock{font-variant-numeric:tabular-nums;font-size:15px;color:var(--dim)}

/* ---------- sekmeler ---------- */
nav{display:flex;gap:4px;padding:10px 20px 0;background:#10141d;border-bottom:1px solid var(--line);
  position:sticky;top:57px;z-index:30;overflow-x:auto}
nav button{background:none;border:0;border-bottom:2px solid transparent;padding:9px 16px;color:var(--dim);
  cursor:pointer;white-space:nowrap;border-radius:6px 6px 0 0}
nav button:hover{color:var(--txt);background:#161c28}
nav button.on{color:#fff;border-bottom-color:var(--acc);background:#161c28}

main{padding:18px 20px 60px}
.pane{display:none}
.pane.on{display:block}

/* ---------- masa kartlari ---------- */
.zone-title{margin:18px 0 10px;font-size:12px;letter-spacing:1.2px;text-transform:uppercase;color:var(--dim)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:12px;
  cursor:pointer;transition:.15s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-2px);border-color:#3a4761}
.card::before{content:'';position:absolute;inset:0 auto 0 0;width:4px;background:var(--free)}
.card.busy::before{background:var(--busy)}
.card.over::before{background:var(--warn)}
.card.paused::before{background:var(--dngr)}
.card.vip{background:linear-gradient(160deg,#1d1630,#141924)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px}
.card-name{font-weight:700;font-size:15px}
.card-sub{color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.6px}
.badge{font-size:10px;padding:2px 7px;border-radius:20px;background:var(--bg3);color:var(--dim);
  text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}
.badge.vip{background:var(--vip);color:#fff}
.badge.on{background:var(--busy);color:#d6ffe9}
.badge.pz{background:var(--dngr);color:#ffe0dc}
.timer{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:1px}
.timer.idle{color:#4b5670;font-size:20px}
.card-meta{display:flex;justify-content:space-between;align-items:flex-end;margin-top:6px}
.amount{font-size:18px;font-weight:700;color:var(--acc2)}
.card-foot{margin-top:8px;padding-top:8px;border-top:1px solid var(--line);display:flex;gap:6px;flex-wrap:wrap}
.pill{font-size:11px;color:var(--dim);background:var(--bg3);padding:2px 8px;border-radius:6px}
.progress{height:4px;background:var(--bg3);border-radius:4px;margin-top:8px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--acc);transition:width .5s}
.progress i.over{background:var(--warn)}

/* ---------- butonlar ---------- */
.btn{background:var(--bg3);border:1px solid var(--line);border-radius:8px;padding:8px 14px;cursor:pointer;transition:.15s}
.btn:hover{background:#243049;border-color:#3a4761}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff;font-weight:600}
.btn.primary:hover{background:#2f6ae8}
.btn.ok{background:#12805f;border-color:#12805f;color:#fff;font-weight:600}
.btn.danger{background:transparent;border-color:#5c2b26;color:#e07a70}
.btn.danger:hover{background:#3a1a17}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:6px}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ---------- tablo ---------- */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:600}
tbody tr:hover{background:#161c28}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:14px}
.panel h3{font-size:14px;margin-bottom:10px}

/* ---------- form ---------- */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:10px}
.field label{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.6px}
input,select,textarea{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px;width:100%}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--acc)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:130px}

/* ---------- modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(4,7,12,.78);backdrop-filter:blur(3px);z-index:100;
  display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.overlay.on{display:flex}
.modal{background:var(--bg2);border:1px solid var(--line);border-radius:16px;width:100%;max-width:520px;
  box-shadow:0 24px 60px rgba(0,0,0,.6)}
.modal.wide{max-width:900px}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:16px}
.modal-body{padding:18px}
.modal-foot{padding:14px 18px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.x{background:none;border:0;font-size:22px;color:var(--dim);cursor:pointer;line-height:1}

/* ---------- adisyon ---------- */
.split{display:grid;grid-template-columns:1fr 320px;gap:16px}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.prod-cats{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.prod-cats button{background:var(--bg3);border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-size:12px;cursor:pointer}
.prod-cats button.on{background:var(--acc);border-color:var(--acc);color:#fff}
.prods{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px;max-height:300px;overflow:auto;padding-right:4px}
.prod{background:var(--bg3);border:1px solid var(--line);border-radius:10px;padding:9px 8px;cursor:pointer;text-align:left}
.prod:hover{border-color:var(--acc)}
.prod b{display:block;font-size:12px;margin-bottom:3px}
.prod span{font-size:12px;color:var(--acc2)}
.prod em{display:block;font-size:10px;color:var(--dim);font-style:normal;margin-top:2px}
.prod.out{opacity:.4;cursor:not-allowed}
.bill{background:var(--bg3);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px}
.bill-line{display:flex;justify-content:space-between;gap:10px;font-size:13px}
.bill-line.mut{color:var(--dim);font-size:12px}
.bill hr{border:0;border-top:1px solid var(--line);margin:2px 0}
.bill-total{display:flex;justify-content:space-between;font-size:20px;font-weight:700;color:var(--acc2)}
.item-row{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;padding:3px 0}
.item-row small{color:var(--dim)}
.big-timer{font-size:34px;font-weight:700;font-variant-numeric:tabular-nums;text-align:center;padding:6px 0}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#1d2637;border:1px solid var(--line);
  padding:11px 20px;border-radius:10px;z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.5);opacity:0;
  transition:.25s;pointer-events:none}
.toast.on{opacity:1;bottom:32px}
.toast.err{border-color:#7d3029;background:#2c1815}
.empty{color:var(--dim);text-align:center;padding:30px}
.alert{background:#2b2010;border:1px solid #5c4318;border-radius:10px;padding:10px 12px;margin-bottom:14px;font-size:13px}