/* =====================================================
   NOVA POS  -  Aurora Glass Design System
   3D · Glassmorphism · Animated
   ===================================================== */

:root{
  --bg-0:#070b1c;
  --bg-1:#0d1430;
  --glass: rgba(255,255,255,.06);
  --glass-strong: rgba(255,255,255,.10);
  --stroke: rgba(255,255,255,.12);
  --txt:#eef1ff;
  --txt-dim:#9aa3c7;
  --accent:#6C63FF;
  --accent-2:#3B28CC;
  --teal:#3BCEAC;
  --rose:#FF6B9D;
  --gold:#FFB344;
  --danger:#ff5d6c;
  --ok:#3BCEAC;
  --radius:20px;
  --shadow:0 20px 50px -20px rgba(0,0,0,.7);
  --font:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);
  color:var(--txt);
  background:var(--bg-0);
  overflow-x:hidden;
  min-height:100vh;
}

/* ---------- animated aurora backdrop ---------- */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(1200px 800px at 10% -10%, #16205040, transparent),
  radial-gradient(1000px 700px at 110% 10%, #2a1b6640, transparent),
  linear-gradient(160deg,var(--bg-0),var(--bg-1));}
.aurora::before,.aurora::after{
  content:'';position:absolute;width:55vw;height:55vw;border-radius:50%;
  filter:blur(90px);opacity:.5;mix-blend-mode:screen;
  animation:float 18s ease-in-out infinite;
}
.aurora::before{background:radial-gradient(circle,#6C63FF,transparent 60%);top:-10%;left:-5%}
.aurora::after{background:radial-gradient(circle,#FF6B9D,transparent 60%);bottom:-15%;right:-5%;animation-delay:-9s}
@keyframes float{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(6%,8%) scale(1.15)}
}

/* tiny star field */
.stars{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
   radial-gradient(1px 1px at 20% 30%, #ffffffaa, transparent),
   radial-gradient(1px 1px at 70% 60%, #ffffff88, transparent),
   radial-gradient(1px 1px at 40% 80%, #ffffff66, transparent),
   radial-gradient(2px 2px at 85% 25%, #ffffff55, transparent);
  background-repeat:repeat;background-size:600px 600px;opacity:.5;
  animation:drift 120s linear infinite;}
@keyframes drift{to{background-position:600px 600px}}

/* ---------- glass surfaces ---------- */
.glass{
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

/* ---------- layout shell ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex-shrink:0;padding:22px 16px;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;gap:6px;
  background:rgba(8,12,30,.55);backdrop-filter:blur(20px);
  border-right:1px solid var(--stroke);z-index:20;
}
.brand{display:flex;align-items:center;gap:12px;padding:8px 10px 22px;}
.brand .logo{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 24px -6px var(--accent);font-size:20px;color:#fff;
  transform:rotateX(12deg) rotateY(-12deg);transition:.4s;
}
.brand:hover .logo{transform:rotateX(0) rotateY(0) scale(1.05)}
.brand b{font-size:19px;letter-spacing:.5px}
.brand small{display:block;color:var(--txt-dim);font-size:11px;letter-spacing:2px}

.nav-link{
  display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:14px;
  color:var(--txt-dim);text-decoration:none;font-weight:600;font-size:14.5px;
  transition:.25s;position:relative;overflow:hidden;
}
.nav-link i{font-size:18px}
.nav-link:hover{color:#fff;background:var(--glass);transform:translateX(4px)}
.nav-link.active{
  color:#fff;background:linear-gradient(135deg,rgba(108,99,255,.35),rgba(59,40,204,.15));
  box-shadow:inset 0 0 0 1px rgba(108,99,255,.4);
}
.nav-link.active::before{content:'';position:absolute;left:0;top:18%;height:64%;width:3px;
  border-radius:3px;background:linear-gradient(var(--accent),var(--teal));}
.sidebar .spacer{flex:1}

.main{flex:1;padding:26px 30px;max-width:100%}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.topbar h1{font-size:24px;font-weight:800;letter-spacing:.3px}
.topbar .sub{color:var(--txt-dim);font-size:13px;margin-top:2px}
.user-chip{display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:40px}
.user-chip .av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--rose),var(--accent));
  display:grid;place-items:center;font-weight:800;color:#fff}

/* ---------- stat cards (3D tilt) ---------- */
.grid{display:grid;gap:18px}
.stats{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.stat{
  padding:22px;position:relative;overflow:hidden;
  transform-style:preserve-3d;transition:transform .25s ease, box-shadow .25s;
  will-change:transform;
}
.stat:hover{box-shadow:0 30px 60px -25px var(--accent)}
.stat .ic{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;font-size:23px;
  margin-bottom:14px;transform:translateZ(40px);
}
.stat .val{font-size:30px;font-weight:800;transform:translateZ(28px)}
.stat .lbl{color:var(--txt-dim);font-size:13px;font-weight:600;transform:translateZ(18px)}
.stat .trend{font-size:12px;margin-top:8px;font-weight:700}
.up{color:var(--ok)} .down{color:var(--danger)}
.stat .glow{position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;
  filter:blur(30px);opacity:.4}

/* ---------- buttons ---------- */
.btn{
  border:none;cursor:pointer;font-family:var(--font);font-weight:700;font-size:14px;
  padding:11px 20px;border-radius:13px;color:#fff;display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 10px 24px -10px var(--accent);transition:.2s;text-decoration:none;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px var(--accent)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:var(--glass);box-shadow:none;border:1px solid var(--stroke)}
.btn.ghost:hover{background:var(--glass-strong)}
.btn.danger{background:linear-gradient(135deg,#ff5d6c,#c0392b);box-shadow:0 10px 24px -10px #ff5d6c}
.btn.ok{background:linear-gradient(135deg,var(--teal),#1d9e80);box-shadow:0 10px 24px -10px var(--teal)}
.btn.sm{padding:7px 12px;font-size:12.5px;border-radius:10px}
.btn.block{width:100%;justify-content:center}

/* ---------- forms ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--txt-dim);margin-bottom:7px;font-weight:600}
.input,.select,textarea.input{
  width:100%;padding:12px 14px;border-radius:13px;font-family:var(--font);font-size:14.5px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--txt);transition:.2s;
}
.input:focus,.select:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(108,99,255,.25);background:rgba(255,255,255,.08)}
.input::placeholder{color:#6b739a}
.select option{background:#0d1430;color:#fff}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;border-radius:var(--radius)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th{
  text-align:left;padding:14px 16px;color:var(--txt-dim);font-weight:700;font-size:12px;
  letter-spacing:.6px;text-transform:uppercase;border-bottom:1px solid var(--stroke);
}
table.tbl td{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.05)}
table.tbl tr{transition:.15s}
table.tbl tbody tr:hover{background:var(--glass)}
.badge{padding:4px 11px;border-radius:30px;font-size:11.5px;font-weight:700;display:inline-block}
.badge.ok{background:rgba(59,206,172,.18);color:var(--teal)}
.badge.warn{background:rgba(255,179,68,.18);color:var(--gold)}
.badge.bad{background:rgba(255,93,108,.18);color:var(--danger)}
.badge.info{background:rgba(108,99,255,.2);color:#a99dff}

/* ---------- POS layout ---------- */
.pos{display:grid;grid-template-columns:1fr 380px;gap:18px;height:calc(100vh - 110px)}
.pos-left{display:flex;flex-direction:column;gap:16px;min-height:0}
.cat-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
.cat-pill{
  flex-shrink:0;padding:10px 16px;border-radius:14px;cursor:pointer;font-weight:700;font-size:13px;
  background:var(--glass);border:1px solid var(--stroke);transition:.2s;display:flex;align-items:center;gap:8px;
}
.cat-pill:hover{transform:translateY(-2px)}
.cat-pill.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent}

.products{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;
  overflow-y:auto;padding:4px;align-content:start;
}
.pcard{
  padding:14px;cursor:pointer;text-align:center;position:relative;
  transform-style:preserve-3d;transition:transform .2s, box-shadow .2s;
}
.pcard:hover{transform:translateY(-5px) rotateX(6deg);box-shadow:0 24px 40px -20px var(--accent)}
.pcard .thumb{
  height:74px;border-radius:14px;display:grid;place-items:center;font-size:30px;margin-bottom:10px;
  background:linear-gradient(135deg,rgba(108,99,255,.25),rgba(59,206,172,.18));transform:translateZ(20px)
}
.pcard .pn{font-weight:700;font-size:13.5px;line-height:1.3;min-height:34px;transform:translateZ(14px)}
.pcard .pp{color:var(--teal);font-weight:800;margin-top:6px;transform:translateZ(10px)}
.pcard .stock-dot{position:absolute;top:10px;right:10px;font-size:10.5px;padding:2px 8px;border-radius:20px}
.pcard.out{opacity:.45;pointer-events:none;filter:grayscale(.4)}

/* cart */
.cart{display:flex;flex-direction:column;padding:18px;min-height:0}
.cart h3{font-size:17px;margin-bottom:4px}
.cart .items{flex:1;overflow-y:auto;margin:14px -6px;padding:0 6px;display:flex;flex-direction:column;gap:10px}
.citem{display:flex;align-items:center;gap:10px;padding:11px;border-radius:13px;background:var(--glass);
  animation:pop .3s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}
.citem .ci-n{flex:1;font-size:13.5px;font-weight:600;line-height:1.25}
.citem .ci-p{font-size:12px;color:var(--txt-dim)}
.qtybox{display:flex;align-items:center;gap:6px}
.qtybox button{width:26px;height:26px;border-radius:8px;border:1px solid var(--stroke);
  background:var(--glass-strong);color:#fff;cursor:pointer;font-weight:800;font-size:15px;line-height:1}
.qtybox button:hover{background:var(--accent)}
.qtybox span{min-width:22px;text-align:center;font-weight:700;font-size:14px}
.ci-rm{color:var(--danger);cursor:pointer;font-size:17px;background:none;border:none}
.empty-cart{flex:1;display:grid;place-items:center;color:var(--txt-dim);text-align:center;gap:10px}
.empty-cart i{font-size:46px;opacity:.4}

.totals{border-top:1px solid var(--stroke);padding-top:14px;display:flex;flex-direction:column;gap:7px}
.totals .row{display:flex;justify-content:space-between;font-size:14px;color:var(--txt-dim)}
.totals .grand{font-size:22px;font-weight:800;color:#fff;margin-top:4px}
.pay-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin:14px 0}
.pay-opt{padding:11px;border-radius:12px;text-align:center;cursor:pointer;font-size:12.5px;font-weight:700;
  background:var(--glass);border:1px solid var(--stroke);transition:.2s}
.pay-opt i{display:block;font-size:18px;margin-bottom:4px}
.pay-opt.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(4,6,18,.7);backdrop-filter:blur(6px);z-index:100;
  display:none;align-items:center;justify-content:center;padding:20px;animation:fade .25s}
.modal-bg.show{display:flex}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{width:100%;max-width:460px;padding:26px;animation:rise .35s cubic-bezier(.2,1.2,.3,1)}
.modal.wide{max-width:620px}
@keyframes rise{from{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:none}}
.modal h2{font-size:20px;margin-bottom:4px}
.modal .mclose{float:right;cursor:pointer;color:var(--txt-dim);font-size:22px;background:none;border:none}

/* ---------- receipt ---------- */
.receipt{background:#fff;color:#111;border-radius:14px;padding:22px;font-family:'Courier New',monospace;
  max-width:320px;margin:0 auto;font-size:13px}
.receipt h3{text-align:center;margin-bottom:2px}
.receipt .ctr{text-align:center;color:#555;font-size:11px}
.receipt hr{border:none;border-top:1px dashed #aaa;margin:10px 0}
.receipt .r-row{display:flex;justify-content:space-between;margin:3px 0}
.receipt .r-tot{font-weight:bold;font-size:15px}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.login-card{width:100%;max-width:410px;padding:38px 34px}
.login-card .logo-lg{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;font-size:30px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));margin:0 auto 18px;color:#fff;
  box-shadow:0 14px 40px -10px var(--accent);transform:rotateX(15deg);animation:bob 4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:rotateX(15deg) translateY(0)}50%{transform:rotateX(15deg) translateY(-8px)}}

/* ---------- utility ---------- */
.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}.gap{gap:12px}
.wrap{flex-wrap:wrap}.mt{margin-top:16px}.mb{margin-bottom:16px}
.section-card{padding:22px}
.muted{color:var(--txt-dim)}
.right{text-align:right}.tc{text-align:center}
.toast{position:fixed;bottom:26px;right:26px;z-index:200;padding:15px 20px;border-radius:14px;
  font-weight:700;display:flex;align-items:center;gap:10px;transform:translateY(120px);transition:.4s;
  background:linear-gradient(135deg,var(--teal),#1d9e80);box-shadow:var(--shadow)}
.toast.show{transform:translateY(0)}
.toast.err{background:linear-gradient(135deg,#ff5d6c,#c0392b)}
.alert{padding:13px 16px;border-radius:13px;margin-bottom:16px;font-size:14px;font-weight:600}
.alert.err{background:rgba(255,93,108,.15);color:#ff9aa4;border:1px solid rgba(255,93,108,.3)}
.alert.ok{background:rgba(59,206,172,.15);color:var(--teal);border:1px solid rgba(59,206,172,.3)}

/* mobile menu toggle */
.menu-btn{display:none;background:var(--glass);border:1px solid var(--stroke);color:#fff;
  width:42px;height:42px;border-radius:12px;cursor:pointer;font-size:20px}

@media(max-width:1024px){.pos{grid-template-columns:1fr;height:auto}.pos-right{order:-1}}
@media(max-width:860px){
  .sidebar{position:fixed;left:-260px;transition:.3s}
  .sidebar.open{left:0}
  .menu-btn{display:grid;place-items:center}
  .main{padding:18px}
}

/* scrollbars */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(108,99,255,.4);border-radius:10px}
::-webkit-scrollbar-track{background:transparent}

@media print{
  body *{visibility:hidden}
  .receipt,.receipt *{visibility:visible}
  .receipt{position:absolute;left:0;top:0;box-shadow:none}
}