*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#3c7eb3;--blue-d:#2d6090;--blue-l:#e8f1f8;--blue-m:#b0cce0;
  --text:#1a2533;--muted:#6b7c93;--border:#d0dce8;
  --bg:#f4f7fb;--white:#fff;
  --green:#16a34a;--red:#dc2626;--amber:#d97706;
  --radius:10px;--shadow:0 4px 24px rgba(60,126,179,.10);--shadow-sm:0 1px 4px rgba(0,0,0,.06);
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;min-height:100vh}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}

/* ── Header ── */
.app-header{background:var(--white);border-bottom:1px solid var(--border);
  padding:0 28px;height:64px;display:flex;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}
.app-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;
  color:var(--blue);text-decoration:none}
.app-logo img{height:36px;width:auto;object-fit:contain}
.app-logo-text{display:flex;flex-direction:column;line-height:1.2}
.app-logo-text span{font-size:11px;font-weight:400;color:var(--muted)}
.app-header-right{display:flex;align-items:center;gap:12px;font-size:14px}
.greeting{color:var(--muted)}.greeting strong{color:var(--text)}

/* ── Auth ── */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e8f1f8 0%,#f4f7fb 60%,#fff 100%);padding:24px}
.auth-card{background:var(--white);border-radius:16px;padding:40px 44px;
  width:100%;max-width:440px;box-shadow:0 8px 40px rgba(60,126,179,.14)}
.auth-logo{text-align:center;margin-bottom:28px}
.auth-logo-icon{width:60px;height:60px;background:var(--blue-l);border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--blue)}
.auth-logo img{max-height:60px;max-width:180px;object-fit:contain;margin-bottom:8px}
.auth-logo h1{font-size:20px;font-weight:700;color:var(--text)}
.auth-logo p{font-size:13px;color:var(--muted);margin-top:4px}
.auth-tabs{display:flex;gap:0;background:var(--bg);border-radius:8px;padding:4px;margin-bottom:24px}
.auth-tab{flex:1;text-align:center;padding:8px;border-radius:6px;font-size:14px;font-weight:600;
  cursor:pointer;border:none;background:transparent;color:var(--muted);transition:all .2s}
.auth-tab.active{background:var(--white);color:var(--blue);box-shadow:var(--shadow-sm)}

/* ── Forms ── */
.form-group{margin-bottom:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:5px}
input[type=text],input[type=email],input[type=password],input[type=tel],
input[type=file],select,textarea{
  width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;
  font-size:14px;color:var(--text);background:var(--white);outline:none;
  transition:border-color .2s,box-shadow .2s;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(60,126,179,.12)}
textarea{resize:vertical;min-height:80px}
input[type=file]{padding:8px 12px;cursor:pointer;font-size:13px}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .18s;
  text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;width:100%;justify-content:center;padding:12px}
.btn-primary:hover{background:var(--blue-d);color:#fff;text-decoration:none}
.btn-sm{padding:6px 13px;font-size:13px;width:auto}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.btn-danger{background:#fef2f2;color:var(--red);border:1.5px solid #fecaca}
.btn-danger:hover{background:var(--red);color:#fff;text-decoration:none}
.btn-success{background:#f0fdf4;color:var(--green);border:1.5px solid #bbf7d0}
.btn-success:hover{background:var(--green);color:#fff;text-decoration:none}
.btn-amber{background:#fffbeb;color:var(--amber);border:1.5px solid #fde68a}
.btn-amber:hover{background:var(--amber);color:#fff;text-decoration:none}
.btn-logout{background:transparent;border:1.5px solid var(--border);color:var(--muted);padding:6px 14px;font-size:13px}
.btn-logout:hover{border-color:var(--red);color:var(--red);text-decoration:none}

/* ── Alerts ── */
.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:18px;
  display:flex;align-items:flex-start;gap:10px}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert-info{background:var(--blue-l);color:var(--blue-d);border:1px solid var(--blue-m)}
.alert-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}

/* ── Cards ── */
.card{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);
  box-shadow:var(--shadow-sm);padding:22px 26px;margin-bottom:20px}
.card-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:16px;
  display:flex;align-items:center;gap:8px}

/* ── Table ── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);
  box-shadow:var(--shadow-sm);background:var(--white);position:relative;width:100%}
table.data-table{width:100%;min-width:100%;border-collapse:collapse;font-size:13px;table-layout:auto}
.data-table thead tr{background:var(--blue);color:#fff;width:100%}
.data-table th{padding:11px 14px;text-align:left;font-size:11px;font-weight:700;
  letter-spacing:.6px;text-transform:uppercase;white-space:nowrap;color:#fff!important}
.data-table th.col-price{text-align:right;padding-right:16px}
.data-table td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.data-table tbody tr:nth-child(even){background:#f9fafb}
.data-table tbody tr:hover{background:var(--blue-l)}
.data-table tbody tr:last-child td{border-bottom:none}

/* ── Catalog columns ── */
.col-brand{width:13%}.col-sku{width:16%;font-family:monospace;font-size:12px;color:#444}
.col-desc{width:45%}.col-unit{width:9%;color:var(--muted);font-size:13px}
.col-price{width:14%;text-align:right;padding-right:16px!important;font-weight:700;color:var(--blue)}
.brand-cell{font-weight:700;color:var(--blue)}
.price-cell{font-weight:700;color:var(--blue);white-space:nowrap}

/* ── Search ── */
.search-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.search-input-wrap{position:relative;flex:1 1 280px}
.search-input-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);
  color:var(--muted);pointer-events:none}
.search-input-wrap input{padding-left:40px;padding-right:36px}
.clear-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;color:var(--muted);font-size:14px}
.filter-select{min-width:170px;padding:10px 14px}
.stats-bar{font-size:13px;color:var(--muted);margin-bottom:8px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ── Loading ── */
.loading-overlay{position:absolute;inset:0;background:rgba(255,255,255,.85);
  display:flex;align-items:center;justify-content:center;
  gap:10px;font-size:15px;color:var(--blue);z-index:10;border-radius:var(--radius)}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:22px;height:22px;border:2.5px solid var(--border);
  border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite}

/* ── Pagination ── */
.pagination{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;align-items:center}
.page-btn{padding:7px 12px;border:1.5px solid var(--border);border-radius:6px;
  background:var(--white);color:var(--text);cursor:pointer;font-size:13px;transition:all .15s}
.page-btn:hover{border-color:var(--blue);color:var(--blue)}
.page-btn.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700}
.page-btn:disabled{opacity:.4;cursor:default}

/* ── Admin layout ── */
.admin-layout{display:flex;min-height:calc(100vh - 64px)}
.sidebar{width:220px;flex-shrink:0;background:var(--white);border-right:1px solid var(--border);padding:20px 0}
.sidebar-nav a{display:flex;align-items:center;gap:9px;padding:10px 20px;font-size:13px;
  font-weight:500;color:var(--muted);text-decoration:none;transition:all .15s;
  border-left:3px solid transparent}
.sidebar-nav a:hover,.sidebar-nav a.active{color:var(--blue);background:var(--blue-l);border-left-color:var(--blue)}
.sidebar-section{font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--muted);padding:14px 20px 4px}
.admin-content{flex:1;padding:28px 32px;overflow-x:hidden;max-width:100%}

/* ── Stat cards ── */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-sm)}
.stat-number{font-size:28px;font-weight:800;color:var(--blue);line-height:1;margin-bottom:5px}
.stat-label{font-size:12px;color:var(--muted);font-weight:500}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;
  font-size:11px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.badge::before{content:'';width:6px;height:6px;border-radius:50%}
.badge-admin{background:#fef2f2;color:#991b1b}.badge-admin::before{background:#dc2626}
.badge-team{background:#fffbeb;color:#92400e}.badge-team::before{background:#d97706}
.badge-client{background:var(--blue-l);color:var(--blue-d)}.badge-client::before{background:var(--blue)}
.badge-green{background:#dcfce7;color:#166534}.badge-green::before{background:#16a34a}
.badge-gray{background:#f1f5f9;color:#64748b}.badge-gray::before{background:#94a3b8}
.badge-red{background:#fef2f2;color:var(--red)}.badge-red::before{background:var(--red)}

/* ── User profile ── */
.profile-header{display:flex;align-items:flex-start;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.profile-avatar{width:68px;height:68px;border-radius:50%;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-size:24px;font-weight:700;color:var(--blue)}
.profile-info h2{font-size:20px;font-weight:700;margin-bottom:4px}
.profile-info p{font-size:13px;color:var(--muted);margin-bottom:4px}
.profile-meta{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:16px}
.meta-item label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
  color:var(--muted);margin-bottom:3px}
.meta-item p{font-size:14px;color:var(--text)}

/* ── Log table ── */
.log-row td{font-size:12px}

/* ── Note box ── */
.note-box{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:14px 16px}
.note-box p{font-size:13px;color:#78350f;white-space:pre-wrap}

/* ── Chart wrapper ── */
.chart-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow-sm)}
.chart-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);
  z-index:9999;display:none;align-items:center;justify-content:center;padding:16px}
.modal-overlay.open{display:flex!important}
.modal-box{background:#ffffff;border-radius:14px;padding:30px;width:100%;
  max-width:520px;box-shadow:0 20px 60px rgba(0,0,0,.4);max-height:90vh;overflow-y:auto;
  position:relative;z-index:10000}
.modal-title{font-size:18px;font-weight:700;margin-bottom:20px}

/* ── Empty ── */
.empty-state{text-align:center;padding:48px 24px;color:var(--muted)}
.empty-state svg{margin-bottom:12px;opacity:.4}

/* ── Divider ── */
.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
  color:var(--muted);margin:24px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}

/* ── Responsive ── */
@media(max-width:768px){
  .admin-layout{flex-direction:column}
  .sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border);padding:8px 0}
  .admin-content{padding:16px}
  .auth-card{padding:28px 20px}
  .app-header{padding:0 16px}
  .form-row{grid-template-columns:1fr}
  .data-table th:nth-child(4),.data-table td:nth-child(4){display:none}
}