:root{
  --brand:#7b2d8b; --brand-dark:#5c1f69; --brand-light:#a855c0;
  --bg:#f6f4f8; --card:#fff; --text:#2d2533; --muted:#7a6f82; --line:#e8e0ed;
  --green:#15803d; --green-bg:#dcfce7; --blue:#1d4ed8; --blue-bg:#dbeafe;
  --amber:#b45309; --amber-bg:#fef3c7; --gray:#52525b; --gray-bg:#e4e4e7;
  --indigo:#6d28d9; --indigo-bg:#ede9fe; --red:#b91c1c; --red-bg:#fee2e2;
  --radius:12px; --shadow:0 4px 16px rgba(91,31,105,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
button{font-family:inherit}

/* ===== Login ===== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand-dark),var(--brand) 60%,var(--brand-light));padding:20px}
.login-card{background:#fff;border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.3);padding:36px;width:100%;max-width:380px;text-align:center}
.login-card img{height:62px;margin-bottom:14px}
.login-card h1{font-size:1.1rem;color:var(--brand-dark);margin-bottom:4px}
.login-card p{font-size:.82rem;color:var(--muted);margin-bottom:22px}
.login-card input{width:100%;padding:12px 14px;margin-bottom:12px;border:2px solid var(--line);border-radius:9px;font-size:.95rem;outline:none}
.login-card input:focus{border-color:var(--brand)}
.login-card button{width:100%;padding:13px;background:linear-gradient(135deg,var(--brand),var(--brand-light));border:none;border-radius:9px;color:#fff;font-size:1rem;font-weight:700;cursor:pointer}
.login-err{background:var(--red-bg);color:var(--red);border-radius:8px;padding:10px;font-size:.85rem;margin-bottom:14px}

/* ===== Layout ===== */
.topbar{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;padding:12px 22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.topbar .logo{background:#fff;border-radius:9px;padding:4px 9px}
.topbar .logo img{height:36px;display:block}
.topbar h1{font-size:1rem;flex:1;min-width:200px}
.topbar h1 small{display:block;font-size:.72rem;font-weight:400;opacity:.85}
.topbar .actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{padding:9px 16px;border-radius:8px;border:none;font-size:.85rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:filter .15s}
.btn:hover{filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-light));color:#fff}
.btn-soft{background:#f1e7f5;color:var(--brand-dark)}
.btn-danger{background:var(--red-bg);color:var(--red)}
.btn-sm{padding:6px 10px;font-size:.78rem}

main{max-width:1280px;margin:0 auto;padding:22px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}
.stat{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;border-left:5px solid var(--brand)}
.stat .num{font-size:1.7rem;font-weight:800;color:var(--brand-dark)}
.stat .lbl{font-size:.78rem;color:var(--muted);font-weight:600;margin-top:2px}
.stat.s-green{border-color:var(--green)} .stat.s-green .num{color:var(--green)}
.stat.s-indigo{border-color:var(--indigo)} .stat.s-indigo .num{color:var(--indigo)}
.stat.s-amber{border-color:var(--amber)} .stat.s-amber .num{color:var(--amber)}

/* Toolbar */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;margin-bottom:16px}
.toolbar input[type=text],.toolbar select{padding:9px 12px;border:2px solid var(--line);border-radius:8px;font-size:.87rem;outline:none}
.toolbar input[type=text]:focus,.toolbar select:focus{border-color:var(--brand)}
.toolbar input[type=text]{min-width:200px;text-transform:uppercase}
.spacer{flex:1}

/* Table */
.tbl-wrap{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:900px}
th{background:#f7f0fa;color:var(--brand-dark);text-align:left;padding:11px 12px;font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;border-bottom:2px solid var(--line);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid #f1ebf4;vertical-align:middle}
tr:hover td{background:#fbf8fd}
.mono{font-family:Consolas,monospace;font-weight:700;letter-spacing:1px}
.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:.74rem;font-weight:700;white-space:nowrap}
.st-done{background:var(--green-bg);color:var(--green)}
.st-active{background:var(--indigo-bg);color:var(--indigo)}
.st-plan{background:var(--blue-bg);color:var(--blue)}
.st-wait{background:var(--amber-bg);color:var(--amber)}
.st-pending{background:var(--gray-bg);color:var(--gray)}
.kho-tag{font-size:.76rem;font-weight:700;color:var(--brand)}
.row-actions{display:flex;gap:6px;white-space:nowrap}
.no-data{text-align:center;color:var(--muted);padding:34px !important;font-style:italic}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(40,20,50,.55);display:none;align-items:flex-start;justify-content:center;padding:30px 16px;z-index:50;overflow-y:auto}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.35);width:100%;max-width:560px;padding:24px;animation:slideIn .18s ease}
.modal.wide{max-width:860px}
@keyframes slideIn{from{transform:translateY(-14px);opacity:0}to{transform:none;opacity:1}}
.modal h2{font-size:1.02rem;color:var(--brand-dark);margin-bottom:18px;display:flex;justify-content:space-between;align-items:center}
.modal h2 .x{cursor:pointer;font-size:1.3rem;color:var(--muted);background:none;border:none;line-height:1}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-grid .full{grid-column:1/-1}
.fld label{display:block;font-size:.74rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px}
.fld input,.fld select{width:100%;padding:10px 12px;border:2px solid var(--line);border-radius:8px;font-size:.9rem;outline:none}
.fld input:focus,.fld select:focus{border-color:var(--brand)}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.form-err{background:var(--red-bg);color:var(--red);border-radius:8px;padding:10px 13px;font-size:.85rem;margin-bottom:13px;display:none}

/* Import */
.drop{border:2.5px dashed var(--brand-light);border-radius:12px;padding:34px;text-align:center;color:var(--muted);cursor:pointer;transition:background .15s}
.drop:hover,.drop.over{background:#f8f1fb}
.drop b{color:var(--brand)}
.preview-wrap{max-height:330px;overflow:auto;border:1px solid var(--line);border-radius:9px;margin-top:14px}
.preview-wrap table{min-width:760px;font-size:.78rem}
.import-sum{font-size:.85rem;margin-top:12px;color:var(--muted)}
.import-sum b{color:var(--brand-dark)}

/* Guides modal */
.guide-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid #f1ebf4;font-size:.87rem}
.guide-row .t{flex:1}
.guide-up{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;padding-top:14px;border-top:2px solid var(--line)}
.guide-up .full{grid-column:1/-1}

/* Toast */
#toast{position:fixed;bottom:22px;right:22px;background:#2d2533;color:#fff;padding:13px 20px;border-radius:10px;font-size:.88rem;box-shadow:0 8px 24px rgba(0,0,0,.3);display:none;z-index:99;max-width:380px}
#toast.ok{background:var(--green)}
#toast.err{background:var(--red)}

/* ===== Nav (các trang quản trị) ===== */
.nav{background:#fff;border-bottom:1px solid var(--line);padding:0 22px;display:flex;gap:4px;overflow-x:auto}
.nav a{padding:11px 16px;font-size:.86rem;font-weight:600;color:var(--muted);text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap}
.nav a:hover{color:var(--brand)}
.nav a.on{color:var(--brand-dark);border-bottom-color:var(--brand)}

/* ===== Bulk bar ===== */
.bulkbar{display:none;background:var(--indigo-bg);border:1px solid #ddd0fb;border-radius:var(--radius);padding:11px 16px;margin-bottom:14px;align-items:center;gap:12px;flex-wrap:wrap}
.bulkbar.show{display:flex}
.bulkbar b{color:var(--indigo)}
td.ck,th.ck{width:34px;text-align:center}
input[type=checkbox].rowck,#ckAll{width:16px;height:16px;cursor:pointer;accent-color:var(--brand)}

/* ===== Lô hàng ===== */
.ship-badge{display:inline-flex;align-items:center;gap:4px;background:var(--blue-bg);color:var(--blue);border:none;border-radius:999px;padding:4px 11px;font-size:.76rem;font-weight:700;cursor:pointer}
.ship-badge.empty{background:var(--gray-bg);color:var(--gray)}
.lenh-1{background:var(--gray-bg);color:var(--gray)}
.lenh-2{background:var(--amber-bg);color:var(--amber)}
.lenh-3{background:var(--blue-bg);color:var(--blue)}
.lenh-4{background:var(--indigo-bg);color:var(--indigo)}
.lenh-5{background:var(--green-bg);color:var(--green)}

/* ===== Báo cáo ===== */
.rep-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:16px}
.rep-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.rep-card h3{font-size:.92rem;color:var(--brand-dark);margin-bottom:14px}
.chart{display:flex;align-items:flex-end;gap:3px;height:130px}
.chart .bar{flex:1;background:linear-gradient(180deg,var(--brand-light),var(--brand));border-radius:3px 3px 0 0;min-height:2px;position:relative}
.chart .bar:hover::after{content:attr(data-tip);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:#2d2533;color:#fff;font-size:.68rem;padding:3px 7px;border-radius:5px;white-space:nowrap;z-index:5}
.mini-tbl{width:100%;font-size:.82rem;border-collapse:collapse}
.mini-tbl th{font-size:.68rem;padding:7px 8px}
.mini-tbl td{padding:7px 8px}

/* ===== QR ===== */
#qrBox{display:flex;justify-content:center;padding:14px}
#qrBox img,#qrBox canvas{border:8px solid #fff;box-shadow:0 2px 14px rgba(0,0,0,.15);border-radius:6px}

/* ===== Tag vai trò ===== */
.role-manager{background:var(--green-bg);color:var(--green)}
.role-staff{background:var(--blue-bg);color:var(--blue)}
.role-viewer{background:var(--gray-bg);color:var(--gray)}
.tag-off{background:var(--red-bg);color:var(--red)}