/* ===================== TEMA ===================== */
/* Varsayilan: BEYAZ (aydinlik). data-theme="dark" ile kararir. */
:root{
  --bg:#f4f6fa; --panel:#ffffff; --panel2:#f1f5f9; --line:#e5e9f0;
  --text:#0f172a; --muted:#64748b; --brand:#2563eb; --brand-d:#1d4ed8;
  --in:#16a34a; --out:#dc2626; --warn:#d97706; --accent:#7c3aed;
  --shadow:0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
  --shadow-lg:0 10px 25px rgba(15,23,42,.12);
  --radius:12px;
}
:root[data-theme="dark"]{
  --bg:#0f172a; --panel:#1e293b; --panel2:#273449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --brand:#3b82f6; --brand-d:#2563eb;
  --in:#22c55e; --out:#ef4444; --warn:#f59e0b; --accent:#a78bfa;
  --shadow:0 1px 3px rgba(0,0,0,.3); --shadow-lg:0 10px 30px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg); color:var(--text); font-size:15px; line-height:1.45;
  -webkit-text-size-adjust:100%;
}
a{color:var(--brand); text-decoration:none}
h1,h2{color:var(--text)}

/* ===================== APPBAR ===================== */
.appbar{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:var(--panel); border-bottom:1px solid var(--line);
  padding:12px 24px; padding-top:calc(12px + env(safe-area-inset-top));
}
.appbar-brand{display:flex; align-items:center; gap:14px; min-width:0}
.logo{
  width:46px; height:46px; border-radius:12px; flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--accent)); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:800; font-size:16px;
  letter-spacing:.5px; box-shadow:var(--shadow);
}
.welcome{min-width:0}
.welcome h1{margin:0; font-size:19px; font-weight:700; white-space:nowrap}
.welcome .wave{display:inline-block}
.welcome p{margin:2px 0 0; color:var(--muted); font-size:13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}

.appbar-right{display:flex; align-items:center; gap:12px; flex:0 0 auto}
.icon-btn{
  background:var(--panel2); border:1px solid var(--line); color:var(--text);
  width:42px; height:42px; border-radius:10px; font-size:18px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.icon-btn:hover{border-color:var(--brand)}
.theme-toggle .t-light{display:none}
:root[data-theme="dark"] .theme-toggle .t-dark{display:none}
:root[data-theme="dark"] .theme-toggle .t-light{display:inline}
.user-chip{display:flex; align-items:center; gap:10px}
.u-ava{width:40px; height:40px; border-radius:50%; background:var(--brand); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px}
.u-meta{display:flex; flex-direction:column; line-height:1.1}
.u-meta strong{font-size:14px}
.u-meta span{font-size:12px; color:var(--muted)}

/* ===================== TOP NAV ===================== */
.topnav{
  position:sticky; top:0; z-index:50;
  background:var(--panel); border-bottom:1px solid var(--line); box-shadow:var(--shadow);
  padding:0 24px; display:flex; align-items:center;
}
.nav-ham{display:none; background:none; border:none; color:var(--text); font-size:24px; padding:12px 0; cursor:pointer}
.nav-items{display:flex; align-items:center; gap:4px; flex-wrap:wrap}
.nav-top{
  background:none; border:none; color:var(--text); font-family:inherit; font-size:14.5px;
  padding:15px 16px; cursor:pointer; display:inline-flex; align-items:center; gap:6px;
  border-bottom:3px solid transparent; white-space:nowrap;
}
.nav-top:hover{color:var(--brand)}
.nav-top.on{color:var(--brand); border-bottom-color:var(--brand); font-weight:600}
.caret{font-size:11px; opacity:.7}
.nav-group{position:relative}
.nav-drop{
  position:absolute; top:100%; left:0; min-width:210px; background:var(--panel);
  border:1px solid var(--line); border-radius:10px; box-shadow:var(--shadow-lg);
  padding:6px; display:none; z-index:60;
}
.nav-group.open .nav-drop{display:block}
.nav-drop a{display:block; padding:10px 12px; border-radius:8px; color:var(--text); font-size:14px}
.nav-drop a:hover{background:var(--panel2)}
.nav-drop a.on{background:var(--brand); color:#fff}

/* ===================== CONTENT ===================== */
.content{padding:22px 24px 48px; max-width:1100px; margin:0 auto}
.page-title{font-size:22px; margin:4px 0 18px; font-weight:700}
.muted{color:var(--muted)}
.small{font-size:13px}
.mono{font-family:ui-monospace,monospace}
.nowrap{white-space:nowrap}
.r{text-align:right}

.flash{background:var(--brand); color:#fff; padding:12px 16px; border-radius:10px; margin-bottom:16px; font-size:14px; box-shadow:var(--shadow)}

/* ===================== KARTLAR ===================== */
.cards{display:grid; grid-template-columns:repeat(2,1fr); gap:14px; margin-bottom:20px}
.card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow)}
.card.accent{border-top:3px solid var(--accent)}
.card.warn{border-top:3px solid var(--warn)}
.card-label{color:var(--muted); font-size:13px; margin-bottom:6px}
.card-value{font-size:26px; font-weight:700}
.card-value.sm{font-size:19px}
.card-value.in{color:var(--in)} .card-value.out{color:var(--out)}
@media(min-width:720px){ .cards{grid-template-columns:repeat(3,1fr)} }

.section-head{display:flex; align-items:center; justify-content:space-between; margin:22px 0 12px}
.section-head h1,.section-head h2{margin:0}
.section-head h2{font-size:17px; font-weight:700}

/* ===================== BUTONLAR ===================== */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:6px;
  background:var(--panel); color:var(--text); border:1px solid var(--line);
  padding:10px 16px; border-radius:10px; font-size:14.5px; cursor:pointer; text-decoration:none; box-shadow:var(--shadow)}
.btn:hover{border-color:var(--brand)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--brand); border-color:var(--brand); color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.danger{background:transparent; border-color:var(--out); color:var(--out); box-shadow:none}
.btn.sm{padding:7px 11px; font-size:13px}
.btn.block{width:100%}
.btn.in-btn{border-color:var(--in); color:var(--in)}
.btn.out-btn{border-color:var(--out); color:var(--out)}

/* ===================== TABLOLAR ===================== */
.table-wrap{overflow-x:auto; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow)}
table{width:100%; border-collapse:collapse; font-size:14px}
th,td{padding:12px 14px; text-align:left; border-bottom:1px solid var(--line)}
th{color:var(--muted); font-weight:600; font-size:12px; text-transform:uppercase; letter-spacing:.03em; background:var(--panel2)}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--panel2)}
tr.low td, tr.low .pname{color:var(--warn)}
.pname{font-weight:600}
td .sub{color:var(--muted); font-size:12px; margin-top:2px}
.in{color:var(--in)} .out{color:var(--out)}

/* ===================== FORMLAR ===================== */
.form, .card-form{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:18px; margin-bottom:16px; box-shadow:var(--shadow)}
label{display:block; font-size:13px; color:var(--muted); margin:12px 0 5px}
input,select,textarea{width:100%; background:var(--bg); border:1px solid var(--line); color:var(--text);
  padding:11px 12px; border-radius:10px; font-size:16px; font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none; border-color:var(--brand); box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.grid2{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.hint{font-size:12px; color:var(--muted); margin-top:5px}
.form-actions{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap}
textarea{resize:vertical}
.info-box{background:var(--panel2); border-radius:10px; padding:12px; margin-top:12px; font-size:14px}
.extra{margin-top:12px; background:var(--panel2); border-radius:10px; padding:4px 12px}
.extra summary{cursor:pointer; padding:10px 0; font-size:14px; color:var(--muted)}
.input-scan{display:flex; gap:8px}
.input-scan input{flex:1}
.scan-btn{flex:0 0 auto; font-size:20px; padding:0 16px}

/* ===================== ARAMA / SONUC ===================== */
.searchbar{display:flex; gap:8px; margin-bottom:14px}
.searchbar input{flex:1}
.results{margin-top:8px}
.results .ritem{display:flex; justify-content:space-between; align-items:center; gap:10px;
  padding:12px; border:1px solid var(--line); border-radius:10px; margin-bottom:8px; cursor:pointer; background:var(--panel)}
.results .ritem:hover{border-color:var(--brand); background:var(--panel2)}
.results .ritem .rstock{color:var(--muted); font-size:13px; white-space:nowrap}

/* ===================== IO / SATIS ===================== */
.io-toggle{display:flex; gap:8px; margin-bottom:14px}
.io-tab{flex:1; padding:14px; border:1px solid var(--line); background:var(--panel); color:var(--muted);
  border-radius:12px; font-size:15px; font-weight:600; cursor:pointer; box-shadow:var(--shadow)}
.io-tab.on[data-type="in"]{background:var(--in); border-color:var(--in); color:#fff}
.io-tab.on[data-type="out"]{background:var(--out); border-color:var(--out); color:#fff}
.selected-prod{background:var(--panel2); border-radius:10px; padding:12px; margin-bottom:6px}
.selected-prod .sub{color:var(--muted); font-size:13px; margin-top:3px}
.sale-total{display:flex; justify-content:space-between; align-items:center; margin:14px 0 4px;
  padding:14px; background:var(--panel2); border-radius:10px; font-size:18px}
.sale-total strong{font-size:22px; color:var(--in)}
#cartTable input{width:70px; text-align:right; padding:6px; font-size:14px}
#cartTable .qtyc{width:60px; text-align:center}
.cart-del{background:transparent; border:none; color:var(--out); font-size:18px; cursor:pointer}

/* ===================== CHIP / TARIH ===================== */
.filterbar{display:flex; gap:8px; margin-bottom:14px; flex-wrap:wrap}
.chip{padding:8px 14px; border:1px solid var(--line); border-radius:999px; color:var(--muted); font-size:14px; background:var(--panel)}
.chip.on{background:var(--brand); border-color:var(--brand); color:#fff}
.daterange{display:flex; gap:10px; align-items:flex-end; flex-wrap:wrap; margin-bottom:16px;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:14px; box-shadow:var(--shadow)}
.daterange label{margin:0 0 4px}
.daterange input{width:auto}

/* ===================== LOGIN ===================== */
.login-body{display:flex; align-items:center; justify-content:center; min-height:100vh; padding:20px; background:var(--bg)}
.login-card{background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:30px; width:100%; max-width:360px; box-shadow:var(--shadow-lg)}
.login-card h1{margin:0 0 20px; text-align:center; font-size:22px}
.login-card .err{background:var(--out); color:#fff; padding:10px; border-radius:8px; font-size:14px; margin-bottom:12px}

/* ===================== BARKOD TARA ===================== */
.scan-page{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:14px; margin-bottom:14px; box-shadow:var(--shadow)}
.reader{width:100%; max-width:420px; margin:0 auto; border-radius:12px; overflow:hidden}
.scan-manual{display:flex; gap:8px; margin-top:14px}
.scan-manual input{flex:1}
.scan-result{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow)}
.scan-result.found{border-color:var(--in)}
.scan-result.notfound{border-color:var(--warn)}
.scan-result h3{margin:0 0 8px}
.scan-qty{display:flex; align-items:center; gap:10px; margin:14px 0}
.scan-qty input{width:90px; text-align:center; font-size:20px}
.stepper{width:48px; height:48px; font-size:24px; padding:0}

/* ===================== BARKOD URET ===================== */
.label-area{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px}
.bc-label{background:#fff; color:#000; border:1px solid #ccc; border-radius:6px; padding:8px 10px; text-align:center; min-width:150px}
.bc-label .bc-name{font-size:12px; font-weight:600; margin-bottom:4px}
.bc-label .bc-price{font-size:13px; font-weight:700; margin-top:2px}

/* ===================== MODAL ===================== */
.modal{position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:100; display:none; align-items:center; justify-content:center; padding:16px}
.modal.show{display:flex}
.modal-box{background:var(--panel); border-radius:16px; padding:16px; width:100%; max-width:420px; box-shadow:var(--shadow-lg)}
.modal-box h3{margin:0 0 12px}
.modal-box .reader{max-width:100%}
.modal-close{margin-top:12px}

/* ===================== RESPONSIVE ===================== */
@media(max-width:860px){
  .appbar{padding:10px 16px}
  .welcome p{display:none}
  .welcome h1{font-size:16px}
  .u-meta{display:none}
  .content{padding:16px}
  .topnav{padding:0 16px; flex-direction:column; align-items:stretch}
  .nav-ham{display:block; align-self:flex-start}
  .nav-items{display:none; flex-direction:column; align-items:stretch; gap:0; padding-bottom:8px}
  .nav-items.open{display:flex}
  .nav-top{width:100%; justify-content:space-between; padding:13px 4px; border-bottom:1px solid var(--line)}
  .nav-top.on{border-bottom-color:var(--line)}
  .nav-group{width:100%}
  .nav-drop{position:static; box-shadow:none; border:none; padding:0 0 6px 14px; min-width:0}
  .nav-group.open .nav-drop{display:block}
}

/* ===================== YAZDIRMA ===================== */
@media print {
  .appbar, .topnav, .no-print, .page-title, .flash { display:none !important; }
  body, .content { background:#fff !important; margin:0; padding:0; }
  .content { max-width:none; }
  .label-area{gap:0}
  .bc-label{border:none; page-break-inside:avoid}
}