:root{
  --p:#4649a8;--p-dark:#33367e;--p-light:#7376d1;
  --accent:#00c2a8;
  --bg:#f3f4fb;--surface:#ffffff;--surface-2:#f8f9ff;
  --text:#1c1f3a;--muted:#767a94;--line:#e7e8f3;
  --ok:#0e9c69;--warn:#b77c00;--red:#d84955;
  --radius:16px;--radius-sm:10px;
  --shadow:0 10px 30px rgba(30,33,90,.08);
  --shadow-lg:0 24px 60px rgba(23,26,80,.16);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#12142a;--surface:#1a1d3a;--surface-2:#20234a;
  --text:#eef0ff;--muted:#9498c4;--line:#2c2f57;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);transition:background .25s ease,color .25s ease}
button,input,select,textarea{font:inherit;color:inherit}
.hidden{display:none!important}

/* ---------- Splash ---------- */
.splash-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;background:linear-gradient(160deg,#20245e,#3a3f9c 55%,#5a5ec1);transition:opacity .5s ease}
.splash-screen.fade-out{opacity:0;pointer-events:none}
.splash-logo{width:min(240px,55vw);animation:splashPop .9s cubic-bezier(.2,.8,.2,1);filter:drop-shadow(0 14px 30px rgba(10,12,50,.35))}
.splash-bar{width:140px;height:4px;border-radius:99px;background:rgba(255,255,255,.22);margin-top:34px;overflow:hidden}
.splash-bar::after{content:"";display:block;width:40%;height:100%;background:#fff;border-radius:99px;animation:splashLoad 1.1s ease-in-out infinite}
.splash-credit{position:absolute;left:16px;right:16px;bottom:22px;text-align:center;color:rgba(255,255,255,.72);font-size:9.5px;letter-spacing:.02em;font-weight:500;white-space:nowrap}
.splash-credit strong{color:rgba(255,255,255,.92);font-weight:800}
@media(max-width:420px){.splash-credit{font-size:8.5px}}

@keyframes splashPop{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}
@keyframes splashLoad{0%{transform:translateX(-100%)}100%{transform:translateX(350%)}}

/* ---------- Login ---------- */
.login-screen{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#20245e,#3a3f9c 55%,#5a5ec1);padding:20px}
.login-card{width:min(420px,100%);background:var(--surface);border-radius:26px;padding:36px 32px;box-shadow:var(--shadow-lg);text-align:center}
.login-logo{width:220px;max-width:85%;margin-bottom:10px}
.login-card h1{color:var(--p);margin:8px 0;font-size:22px;font-weight:800}
.login-card p{color:var(--muted);margin-bottom:26px;font-size:13px}
.login-card form{text-align:left}
.login-credit{margin-top:22px;padding-top:12px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:9px;line-height:1.4;letter-spacing:.015em;font-weight:500}
.login-credit strong{color:var(--p);font-weight:800}
@media(max-width:420px){.login-credit{font-size:8.2px}}
.login-card label{display:block;font-size:11px;font-weight:700;letter-spacing:.02em;margin:14px 0 6px;color:var(--muted)}
.login-card input{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface-2);transition:border-color .15s ease}
.login-card input:focus{outline:none;border-color:var(--p)}

.btn{border:0;border-radius:11px;padding:11px 17px;cursor:pointer;font-weight:700;transition:transform .1s ease,box-shadow .15s ease,opacity .15s ease}
.btn:active{transform:scale(.97)}
.primary{background:linear-gradient(135deg,var(--p),var(--p-light));color:#fff;box-shadow:0 8px 20px rgba(70,73,168,.35)}
.primary:hover{opacity:.94}
.secondary{background:var(--surface);color:var(--p);border:1.5px solid var(--line)}
.secondary:hover{border-color:var(--p-light)}
.danger-btn{background:transparent;color:var(--red);border:1.5px solid #f3b8bd}
.full{width:100%;margin-top:22px}

#app{min-height:100vh;display:flex}
.sidebar{width:260px;background:var(--surface);border-right:1px solid var(--line);position:fixed;top:0;right:auto;bottom:0;left:0;z-index:30;padding:20px 14px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.brand{text-align:center;padding:6px 8px 18px;border-bottom:1px solid var(--line)}
.brand img{width:170px;max-width:100%}
.role{margin:16px 5px 10px;padding:10px;background:linear-gradient(135deg,rgba(70,73,168,.12),rgba(0,194,168,.10));color:var(--p);border-radius:11px;text-align:center;font-size:11px;font-weight:800;letter-spacing:.03em}
.nav-btn{width:100%;border:0;background:transparent;text-align:left;padding:12px 14px;border-radius:11px;color:var(--muted);cursor:pointer;font-weight:600;margin:2px 0;transition:background .15s ease,color .15s ease}
.nav-btn:hover{background:var(--surface-2);color:var(--p)}
.nav-btn.active{background:linear-gradient(135deg,rgba(70,73,168,.14),rgba(0,194,168,.10));color:var(--p)}
.nav-btn.danger{margin-top:auto;color:var(--red)}

.theme-toggle{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 6px 4px;font-size:14px}
.switch{position:relative;display:inline-block;width:42px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:var(--line);border-radius:99px;transition:.2s}
.slider::before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 2px 5px rgba(0,0,0,.25)}
.switch input:checked + .slider{background:var(--p)}
.switch input:checked + .slider::before{transform:translateX(18px)}

.main{margin-left:260px;width:calc(100% - 260px)}
.topbar{height:76px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 20px;gap:12px;position:sticky;top:0;z-index:20;overflow:hidden}
.topbar strong{display:block;font-size:19px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar small{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.topbar > div:not(.top-user){flex:1 1 auto;min-width:0}
.menu{display:none;border:0;background:none;font-size:23px;color:var(--text);flex-shrink:0}
.top-user{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:13px;font-weight:700;flex-shrink:0}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--p),var(--p-light));color:#fff;overflow:hidden;font-weight:800;flex-shrink:0}
.avatar img{width:100%;height:100%;object-fit:cover}
.logout-btn{border:1.5px solid var(--line);background:var(--surface);color:var(--red);width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:17px;display:grid;place-items:center;flex-shrink:0;transition:background .15s ease,border-color .15s ease}
.logout-btn:hover{background:rgba(216,73,85,.1);border-color:#f3b8bd}
@media(max-width:600px){.top-user{gap:8px}}

.content{padding:26px;max-width:1500px;margin:auto}
.head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px;flex-wrap:wrap}
.head h2{margin:0;font-size:22px;font-weight:800}
.muted{color:var(--muted);font-size:12px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card,.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.stat .label{font-size:10.5px;color:var(--muted);font-weight:800;letter-spacing:.04em}
.stat .num{font-size:25px;font-weight:800;color:var(--p);margin:9px 0}
.section{margin-top:22px}
.section h3{margin:0 0 12px;font-size:16px}
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:14px;border-bottom:1px solid var(--line);font-size:12.5px;white-space:nowrap}
.table th{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.status{display:inline-block;padding:5px 10px;border-radius:99px;font-size:10px;font-weight:800}
.green{background:rgba(14,156,105,.14);color:var(--ok)}
.blue{background:rgba(70,73,168,.14);color:var(--p)}
.yellow{background:rgba(183,124,0,.14);color:var(--warn)}
.red{background:rgba(216,73,85,.14);color:var(--red)}

.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field label{display:block;font-size:11px;font-weight:700;margin-bottom:6px;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:11px;padding:12px;background:var(--surface-2)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--p)}
.field.fullrow{grid-column:1/-1}

.search{display:flex;gap:10px;margin-bottom:12px}
.search input{width:min(480px,100%);padding:12px;border:1.5px solid var(--line);border-radius:11px;background:var(--surface)}
.product-list,.city-list{display:grid;gap:10px}
.list-row{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:var(--shadow)}
.list-row h4{margin:0 0 4px;font-size:13.5px}
.list-row p{margin:0;color:var(--muted);font-size:11px}
.row-actions{display:flex;gap:6px}
.mini{padding:8px 10px;font-size:11px}

.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.result{margin-top:18px;background:linear-gradient(135deg,rgba(70,73,168,.10),rgba(0,194,168,.08));border-radius:var(--radius-sm);padding:16px}
.result strong{font-size:26px;color:var(--ok)}
.notice{padding:13px;border-radius:var(--radius-sm);background:rgba(70,73,168,.09);color:var(--p);font-size:12px;margin-bottom:14px}

@media(max-width:950px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%}.menu{display:block}.grid{grid-template-columns:repeat(2,1fr)}.calc-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.content{padding:16px}.grid{grid-template-columns:1fr 1fr}.form-grid,.calc-grid{grid-template-columns:1fr}.head{align-items:flex-start}.head .btn{font-size:11px}#topUser{display:none}.topbar{padding:0 12px;gap:8px}.topbar strong{font-size:15px}.topbar small{font-size:9.5px}}

.seller-thumb{width:44px;height:44px;border-radius:12px;object-fit:cover;display:inline-grid;place-items:center;background:var(--surface-2);color:var(--p);font-weight:800}
.photo-preview{min-height:110px;border:1.5px dashed var(--line);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--muted);padding:12px}
.photo-preview img{width:110px;height:110px;object-fit:cover;border-radius:14px}
.delivery-list{display:grid;gap:14px}
.delivery-card{padding:20px}
.delivery-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}
.delivery-head h3{margin:0 0 5px}
.delivery-head p{margin:0}

.password-wrap{position:relative;display:flex;align-items:center}
.password-wrap input{padding-right:48px!important}
.password-toggle{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:40px;height:36px;border:0;background:transparent;color:var(--muted);cursor:pointer;border-radius:9px;font-size:18px;display:grid;place-items:center}
.password-toggle:hover{background:var(--surface-2);color:var(--p)}

.back-btn{border:1.5px solid var(--line);background:var(--surface);color:var(--p);width:40px;height:40px;border-radius:11px;cursor:pointer;font-size:22px;font-weight:700;display:grid;place-items:center}
.back-btn:hover{background:var(--surface-2)}
.print-actions{display:flex;gap:10px;justify-content:center;margin:20px 0}
@media(max-width:600px){.back-btn{width:38px;height:38px}}