:root {
    --sidebar-w: 230px;
    --primary: #1a237e;
    --primary2: #283593;
    --accent: #1976D2;
    --accent-h: #1565C0;
    --success: #2E7D32;
    --success-l: #43A047;
    --warning: #E65100;
    --danger: #C62828;
    --info: #00838F;
    --purple: #6A1B9A;
    --teal: #00695C;
    --bg: #eef0f5;
    --white: #ffffff;
    --text: #212121;
    --text2: #555;
    --border: #dde1e7;
    --shadow: 0 2px 8px rgba(0,0,0,0.10);
    --radius: 8px;
    --tr: all 0.2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Segoe UI',Arial,sans-serif;font-size:13.5px;color:var(--text);background:var(--bg);overflow-x:hidden;}

/* ---- LAYOUT ---- */
#app{display:flex;min-height:100vh;}

#sidebar{
    width:var(--sidebar-w);background:var(--primary);color:#fff;
    display:flex;flex-direction:column;position:fixed;top:0;left:0;
    height:100vh;z-index:100;overflow-y:auto;transition:var(--tr);
}
.sidebar-header{
    padding:18px 14px 14px;background:rgba(0,0,0,0.25);
    border-bottom:1px solid rgba(255,255,255,0.1);text-align:center;
}
.logo-icon{font-size:28px;margin-bottom:6px;}
.company-name{font-size:12px;font-weight:700;color:#fff;letter-spacing:0.5px;line-height:1.3;}
.company-sub{font-size:10px;color:rgba(255,255,255,0.6);margin-top:3px;}
.sidebar-nav{flex:1;padding:6px 0 20px;}
.nav-section-title{
    font-size:9.5px;font-weight:700;color:rgba(255,255,255,0.4);
    text-transform:uppercase;letter-spacing:1.2px;padding:14px 14px 4px;
}
.nav-item{
    display:flex;align-items:center;gap:9px;padding:9px 14px;
    color:rgba(255,255,255,0.75);cursor:pointer;transition:var(--tr);
    border-left:3px solid transparent;font-size:13px;
}
.nav-item:hover{background:rgba(255,255,255,0.1);color:#fff;border-left-color:rgba(255,255,255,0.4);}
.nav-item.active{background:rgba(255,255,255,0.15);color:#fff;border-left-color:#64B5F6;font-weight:600;}
.nav-icon{font-size:15px;width:18px;flex-shrink:0;}

#main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh;}

#topbar{
    background:var(--white);padding:0 22px;height:56px;
    display:flex;align-items:center;justify-content:space-between;
    box-shadow:0 1px 4px rgba(0,0,0,0.08);position:sticky;top:0;z-index:50;
}
.topbar-title{font-size:17px;font-weight:700;color:var(--primary);}
.topbar-actions{display:flex;gap:8px;align-items:center;}

#content{padding:20px;}

/* ---- CARDS ---- */
.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px;}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border);}
.card-title{font-size:14px;font-weight:700;color:var(--primary);}

/* ---- STATS ---- */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:18px;}
.stat-card{background:var(--white);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px;}
.stat-icon{width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.si-blue{background:rgba(25,118,210,0.12);color:var(--accent);}
.si-green{background:rgba(46,125,50,0.12);color:var(--success);}
.si-orange{background:rgba(230,81,0,0.12);color:var(--warning);}
.si-red{background:rgba(198,40,40,0.12);color:var(--danger);}
.si-purple{background:rgba(106,27,154,0.12);color:var(--purple);}
.si-teal{background:rgba(0,131,143,0.12);color:var(--info);}
.stat-val{font-size:22px;font-weight:800;color:var(--text);line-height:1;}
.stat-lbl{font-size:11px;color:var(--text2);margin-top:3px;}

/* ---- BUTTONS ---- */
.btn{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;border-radius:6px;border:none;cursor:pointer;font-size:12.5px;font-weight:600;transition:var(--tr);text-decoration:none;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-h);}
.btn-success{background:var(--success-l);color:#fff;}
.btn-success:hover{background:var(--success);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-danger:hover{background:#b71c1c;}
.btn-warning{background:#F57F17;color:#fff;}
.btn-warning:hover{background:#E65100;}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text);}
.btn-outline:hover{background:var(--bg);border-color:#aaa;}
.btn-secondary{background:#607D8B;color:#fff;}
.btn-sm{padding:5px 10px;font-size:12px;}
.btn-xs{padding:3px 8px;font-size:11px;border-radius:4px;}

.icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:28px;height:28px;border-radius:5px;border:1px solid var(--border);
    background:transparent;cursor:pointer;font-size:13px;color:var(--text2);transition:var(--tr);
}
.icon-btn:hover{background:var(--bg);}
.icon-btn.edit:hover{color:var(--accent);border-color:var(--accent);background:rgba(25,118,210,0.08);}
.icon-btn.del:hover{color:var(--danger);border-color:var(--danger);background:rgba(198,40,40,0.08);}
.icon-btn.view:hover{color:var(--success);border-color:var(--success-l);background:rgba(46,125,50,0.08);}
.icon-btn.print:hover{color:var(--purple);border-color:var(--purple);background:rgba(106,27,154,0.08);}

/* ---- TABLES ---- */
.tbl-wrap{overflow-x:auto;border-radius:6px;border:1px solid var(--border);}
table{width:100%;border-collapse:collapse;font-size:12.5px;}
thead th{
    background:#f4f6fb;padding:9px 10px;text-align:left;font-weight:700;
    color:var(--text);border-bottom:2px solid var(--border);white-space:nowrap;
}
tbody tr{border-bottom:1px solid #eee;transition:background 0.12s;}
tbody tr:hover{background:#f8f9fc;}
tbody td{padding:8px 10px;vertical-align:middle;}
tbody tr:last-child{border-bottom:none;}
.td-num{text-align:right;font-weight:600;}
.td-center{text-align:center;}
.td-nowrap{white-space:nowrap;}

/* ---- BADGES ---- */
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:700;white-space:nowrap;}
.b-new{background:#E3F2FD;color:#0D47A1;}
.b-processing{background:#FFF3E0;color:#E65100;}
.b-paper{background:#F3E5F5;color:#6A1B9A;}
.b-making{background:#E0F7FA;color:#006064;}
.b-shipping{background:#FFFDE7;color:#F57F17;}
.b-done{background:#E8F5E9;color:#1B5E20;}
.b-cancel{background:#FFEBEE;color:#B71C1C;}
.b-return{background:#ECEFF1;color:#37474F;}
.b-notstart{background:#F5F5F5;color:#616161;}

/* ---- FILTERS ---- */
.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px;}
.filter-sep{color:var(--border);font-size:18px;}

/* ---- FORM CONTROLS ---- */
input[type=text],input[type=number],input[type=date],select,textarea{
    padding:7px 10px;border:1.5px solid var(--border);border-radius:6px;
    font-size:13px;color:var(--text);background:var(--white);transition:border-color 0.2s;
    width:100%;font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(25,118,210,0.08);}
input.inp-sm{padding:5px 8px;font-size:12.5px;}
.search-inp{width:240px;}

/* ---- MODAL ---- */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:1000;align-items:center;justify-content:center;padding:16px;}
.modal-overlay.open{display:flex;}
.modal{background:var(--white);border-radius:10px;width:100%;max-width:660px;max-height:92vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.25);}
.modal.modal-lg{max-width:920px;}
.modal.modal-xl{max-width:min(1300px,96vw);}
.modal.modal-sm{max-width:420px;}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--white);z-index:1;}
.modal-title{font-size:15px;font-weight:700;color:var(--primary);}
.modal-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--text2);padding:0;line-height:1;}
.modal-close:hover{color:var(--danger);}
.modal-body{padding:18px 20px;}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;}

/* ---- FORM GRID ---- */
.fg{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.fg3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;}
.fg4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px;}
.full{grid-column:1/-1;}
.fgrp{display:flex;flex-direction:column;gap:3px;}
label{font-size:11px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:0.3px;}
.sec-lbl{
    font-size:10.5px;font-weight:700;color:var(--text2);text-transform:uppercase;
    letter-spacing:0.8px;padding:10px 0 6px;border-bottom:1px solid var(--border);
    margin-bottom:10px;grid-column:1/-1;
}

/* ---- TOAST ---- */
.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:7px;}
.toast{
    background:var(--white);border-radius:7px;padding:12px 16px;box-shadow:0 4px 20px rgba(0,0,0,0.12);
    display:flex;align-items:center;gap:9px;min-width:240px;max-width:340px;
    animation:toastIn 0.28s ease;border-left:4px solid;
}
@keyframes toastIn{from{transform:translateX(80px);opacity:0}to{transform:translateX(0);opacity:1}}
.toast.ts{border-color:var(--success-l);}
.toast.te{border-color:var(--danger);}
.toast.ti{border-color:var(--accent);}
.toast.tw{border-color:#F57F17;}
.toast-ico{font-size:15px;}
.toast.ts .toast-ico{color:var(--success-l);}
.toast.te .toast-ico{color:var(--danger);}
.toast.ti .toast-ico{color:var(--accent);}
.toast-txt{font-size:12.5px;color:var(--text);}

/* ---- PAGINATION ---- */
.pager{display:flex;align-items:center;gap:4px;justify-content:flex-end;margin-top:12px;flex-wrap:wrap;}
.pg-btn{padding:5px 9px;border:1px solid var(--border);border-radius:4px;cursor:pointer;font-size:12px;background:var(--white);color:var(--text);transition:var(--tr);}
.pg-btn:hover:not(:disabled){background:var(--bg);}
.pg-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.pg-btn:disabled{opacity:0.45;cursor:default;}
.pg-info{font-size:12px;color:var(--text2);margin:0 6px;}

/* ---- EMPTY STATE ---- */
.empty{text-align:center;padding:50px 20px;color:var(--text2);}
.empty .ei{font-size:40px;margin-bottom:12px;opacity:0.35;}
.empty p{font-size:13px;margin-bottom:14px;}

/* ---- DASHBOARD FIXED LAYOUT ---- */
body.dash-page #dash-detail{max-height:calc(100vh - 260px);overflow-y:auto;}

/* ---- PROGRESS CARD ---- */
.prog-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;}
.prog-card-head{
    padding:14px 18px;display:flex;align-items:center;justify-content:space-between;
    background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;cursor:pointer;
}
.prog-card-meta{display:flex;gap:16px;font-size:11.5px;color:rgba(255,255,255,0.8);}
.prog-card-body{padding:0;display:none;}
.prog-card-body.open{display:block;}
.prog-bar{height:5px;background:#ddd;border-radius:3px;overflow:hidden;margin-top:6px;}
.prog-fill{height:100%;background:var(--accent);border-radius:3px;}

/* ---- DELIVERY NOTE ---- */
.phieu{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;max-width:800px;margin:0 auto;}
.phieu-head{text-align:center;margin-bottom:20px;}
.phieu-co{font-size:14px;color:var(--text2);}
.phieu-co:first-child{font-size:15px;font-weight:700;color:var(--text);}
.phieu-title{font-size:20px;font-weight:800;color:var(--primary);text-transform:uppercase;margin:10px 0 3px;}
.phieu-meta{display:flex;gap:0;margin-bottom:18px;border:1px solid var(--border);border-radius:6px;overflow:hidden;}
.phieu-meta-item{flex:1;padding:10px 14px;border-right:1px solid var(--border);text-align:center;}
.phieu-meta-item:last-child{border-right:none;}
.phieu-meta-lbl{font-size:10px;font-weight:700;color:var(--text2);text-transform:uppercase;}
.phieu-meta-val{font-size:13.5px;font-weight:700;color:var(--text);margin-top:2px;}
.phieu-sig{display:flex;justify-content:space-between;margin-top:40px;text-align:center;}
.phieu-sig-box{width:180px;}
.phieu-sig-ttl{font-size:12px;font-weight:700;}
.phieu-sig-note{font-size:11px;color:var(--text2);margin-top:2px;}
.phieu-sig-line{height:55px;}

/* ---- MISC ---- */
.dim{font-family:'Courier New',monospace;font-size:11.5px;background:#f4f6fb;padding:1px 5px;border-radius:3px;white-space:nowrap;}
.muted{color:var(--text2);}
.bold{font-weight:700;}
.actions-col{display:flex;gap:5px;align-items:center;}
.row-status{display:flex;align-items:center;gap:6px;}

/* ---- TABS ---- */
.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:16px;gap:0;}
.tab-btn{padding:9px 18px;cursor:pointer;border:none;background:none;font-size:13px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--tr);font-weight:500;}
.tab-btn:hover{color:var(--accent);}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:700;}
.tab-pane{display:none;}
.tab-pane.active{display:block;}

/* ---- PRINT ---- */
@page{margin:0;}
@media print{
    #sidebar,#topbar,.no-print{display:none!important;}
    #main{margin-left:0!important;}
    #content{padding:0!important;}
    .phieu{box-shadow:none;padding:1.2cm 1.5cm;}
    table{font-size:11px;}
}

/* Permission-based visibility */
.admin-only { display: none !important; }
body.is-admin .admin-only { display: inline-flex !important; }
body.is-admin .admin-only-block { display: block !important; }
.admin-only-block { display: none !important; }

/* Product picker */
#picker-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.45); z-index:1100; align-items:center; justify-content:center; }
.picker-row:hover { background:var(--surface2); }
.picker-sel { background:#e8f0fe !important; }
.picker-sel:hover { background:#d2e3fc !important; }