:root {
  --bg-base:   #0d0f14;
  --bg-panel:  #141720;
  --bg-card:   #1a1d27;
  --bg-hover:  #1f2333;
  --border:    #2a2d3a;
  --cyan:   #00d4ff;
  --green:  #00e676;
  --red:    #ff3d5a;
  --amber:  #ffc107;
  --purple: #9c5cff;
  --text-pri: #e8eaf0;
  --text-sec: #9aa3b2;
  --text-mut: #5a6070;
  --font: "Consolas", "Courier New", monospace;
  --radius: 8px;
  --sidebar-w: 220px;
  --header-h: 56px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { background: var(--bg-base); color: var(--text-pri); font-family: var(--font); min-height: 100vh; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
input, select, textarea, button { font-family: var(--font); font-size: 14px; }
::-webkit-scrollbar { width: 6px; } ::-webkit-scrollbar-track { background: var(--bg-base); } ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Auth */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-wrap { width: 100%; max-width: 420px; }
.auth-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 40px; }
.auth-logo { font-size: 42px; text-align: center; margin-bottom: 8px; }
.auth-title { font-size: 22px; font-weight: bold; text-align: center; margin-bottom: 4px; }
.auth-sub { color: var(--text-sec); text-align: center; margin-bottom: 24px; }
.auth-link { text-align: center; margin-top: 16px; color: var(--text-sec); font-size: 13px; }
.lang-row { display: flex; justify-content: center; gap: 12px; margin-top: 16px; font-size: 12px; color: var(--text-mut); }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-h); background: var(--bg-panel); border-bottom: 1px solid var(--border); display: flex; align-items: center; padding: 0 20px; gap: 12px; z-index: 100; }
.header__logo { font-size: 16px; font-weight: bold; color: var(--cyan); flex-shrink: 0; text-decoration: none; }
.header__logo:hover { text-decoration: none; }
.header__spacer { flex: 1; }
.header__user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-sec); }

/* Avatar */
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-hover); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: bold; color: var(--cyan); overflow: hidden; flex-shrink: 0; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-lg { width: 64px; height: 64px; font-size: 26px; }

/* Sidebar */
.sidebar { position: fixed; top: var(--header-h); left: 0; width: var(--sidebar-w); height: calc(100vh - var(--header-h)); background: var(--bg-panel); border-right: 1px solid var(--border); overflow-y: auto; padding: 12px 0; }
.sidebar__section { padding: 8px 12px 4px; font-size: 10px; color: var(--text-mut); text-transform: uppercase; letter-spacing: 1px; }
.sidebar__link { display: flex; align-items: center; gap: 10px; padding: 9px 16px; color: var(--text-sec); font-size: 13px; transition: background 0.15s, color 0.15s; border-left: 2px solid transparent; cursor: pointer; }
.sidebar__link:hover { background: var(--bg-hover); color: var(--text-pri); text-decoration: none; }
.sidebar__link.active { color: var(--cyan); border-left-color: var(--cyan); background: rgba(0,212,255,.06); }
.sidebar__divider { margin: 8px 16px; border: none; border-top: 1px solid var(--border); }

/* Main */
.main { margin-left: var(--sidebar-w); padding-top: var(--header-h); min-height: 100vh; }
.main--full { margin-left: 0; }
.content { padding: 24px; max-width: 1280px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius); border: 1px solid transparent; cursor: pointer; font-size: 13px; transition: opacity 0.15s; text-decoration: none; white-space: nowrap; }
.btn:hover { opacity: 0.85; text-decoration: none; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--cyan); color: #000; font-weight: bold; }
.btn-success { background: var(--green); color: #000; font-weight: bold; }
.btn-danger  { background: var(--red); color: #fff; }
.btn-warning { background: var(--amber); color: #000; }
.btn-ghost   { background: transparent; color: var(--text-sec); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-pri); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; color: var(--text-sec); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.form-control { width: 100%; padding: 9px 12px; background: var(--bg-base); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-pri); font-size: 14px; font-family: var(--font); transition: border-color .2s; }
.form-control:focus { outline: none; border-color: var(--cyan); }
.form-control::placeholder { color: var(--text-mut); }
select.form-control option { background: var(--bg-panel); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-hint { margin-top: 4px; font-size: 11px; color: var(--text-mut); }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.card-title { font-size: 15px; font-weight: bold; color: var(--text-pri); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 12px; background: var(--bg-panel); color: var(--text-mut); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text-sec); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-hover); }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 100px; font-size: 11px; font-weight: bold; }
.badge-pending  { background: rgba(255,193,7,.15);  color: var(--amber); }
.badge-approved { background: rgba(0,230,118,.12);  color: var(--green); }
.badge-rejected { background: rgba(255,61,90,.12);  color: var(--red); }
.badge-blocked  { background: rgba(90,96,112,.15);  color: var(--text-mut); }
.badge-admin    { background: rgba(255,61,90,.12);  color: var(--red); }
.badge-moderator{ background: rgba(156,92,255,.12); color: var(--purple); }
.badge-seller   { background: rgba(0,212,255,.12);  color: var(--cyan); }
.badge-user     { background: rgba(154,163,178,.12);color: var(--text-sec); }
.badge-new  { background: rgba(0,212,255,.15);  color: var(--cyan); }
.badge-hot  { background: rgba(255,61,90,.15);  color: var(--red); }
.badge-sale { background: rgba(0,230,118,.12);  color: var(--green); }
.badge-promo{ background: rgba(156,92,255,.12); color: var(--purple); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; }
.stat-label { font-size: 11px; color: var(--text-mut); text-transform: uppercase; letter-spacing: .5px; }
.stat-value { font-size: 28px; font-weight: bold; color: var(--text-pri); margin-top: 4px; }
.stat-sub { font-size: 11px; color: var(--text-sec); margin-top: 2px; }
.stat-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.stat-row:last-child { border-bottom: none; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px; }
.alert-success { background: rgba(0,230,118,.1); border: 1px solid rgba(0,230,118,.2); color: var(--green); }
.alert-danger  { background: rgba(255,61,90,.1); border: 1px solid rgba(255,61,90,.2); color: var(--red); }
.alert-warning { background: rgba(255,193,7,.1); border: 1px solid rgba(255,193,7,.2); color: var(--amber); }
.alert-info    { background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.2); color: var(--cyan); }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; pointer-events: none; transition: opacity .2s; }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-title { font-size: 15px; font-weight: bold; }
.modal-close { background: none; border: none; color: var(--text-mut); cursor: pointer; font-size: 20px; line-height: 1; padding: 0; }
.modal-close:hover { color: var(--text-pri); }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; display: flex; gap: 8px; justify-content: flex-end; border-top: 1px solid var(--border); }

/* Page layout */
.page-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.page-title { font-size: 20px; font-weight: bold; color: var(--text-pri); flex: 1; }
.filters { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.empty { padding: 48px; text-align: center; color: var(--text-mut); }

/* Pagination */
.pagination { display: flex; gap: 4px; margin-top: 16px; }
.page-btn { padding: 5px 10px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-card); color: var(--text-sec); cursor: pointer; font-size: 12px; text-decoration: none; }
.page-btn.active { background: var(--cyan); color: #000; border-color: var(--cyan); font-weight: bold; }
.page-btn:hover:not(.active) { background: var(--bg-hover); color: var(--text-pri); text-decoration: none; }

/* File drop */
.file-drop { border: 2px dashed var(--border); border-radius: var(--radius); padding: 24px; text-align: center; color: var(--text-sec); cursor: pointer; transition: border-color .2s; }
.file-drop:hover { border-color: var(--cyan); color: var(--text-pri); }
.file-drop input { display: none; }

/* Tabs */
.tab-btn { background: none; border: none; border-bottom: 2px solid transparent; color: var(--text-sec); cursor: pointer; padding: 10px 16px; font-size: 13px; font-family: var(--font); transition: color .15s; }
.tab-btn.active { color: var(--cyan); border-bottom-color: var(--cyan); }
.tab-btn:hover { color: var(--text-pri); }

/* Toast */
.toast { position: fixed; top: 16px; right: 16px; z-index: 9999; padding: 12px 20px; border-radius: var(--radius); font-size: 13px; max-width: 360px; transition: opacity .3s; }
.toast.hidden { display: none; }
.toast.success { background: rgba(0,230,118,.15); border: 1px solid rgba(0,230,118,.3); color: var(--green); }
.toast.danger  { background: rgba(255,61,90,.15);  border: 1px solid rgba(255,61,90,.3);  color: var(--red); }
.toast.warning { background: rgba(255,193,7,.15);  border: 1px solid rgba(255,193,7,.3);  color: var(--amber); }

/* Text helpers */
.text-pri { color: var(--text-pri) !important; }
.text-sec { color: var(--text-sec) !important; }
.text-mut { color: var(--text-mut) !important; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .two-col { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ─── Mobile sidebar & hamburger ────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 7px 9px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-sec);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  z-index: 149;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.visible { display: block; }

.sidebar-body-lock { overflow: hidden; }

@media (max-width: 768px) {
  /* Show hamburger */
  .hamburger { display: flex; }

  /* Sidebar hidden off-screen, slides in */
  .sidebar {
    position: fixed !important;
    left: -280px;
    top: 0;
    height: 100vh;
    width: 260px;
    z-index: 150;
    transition: left .25s ease;
    overflow-y: auto;
    box-shadow: none;
    padding-top: 56px;   /* clear the header height */
  }
  .sidebar.open {
    left: 0;
    box-shadow: 4px 0 32px rgba(0, 0, 0, .6);
  }

  /* Main content full width */
  .main { margin-left: 0 !important; }

  /* Header stays full width */
  .header { padding: 0 12px; gap: 8px; }
  .header__logo { font-size: 15px; }
  .header__user span:not(.badge) { display: none; }
  .header__user .badge { display: none; }

  /* Tables → cards */
  .table-wrap table,
  .table-wrap thead,
  .table-wrap tbody,
  .table-wrap th,
  .table-wrap td,
  .table-wrap tr { display: block; }
  .table-wrap thead { display: none; }
  .table-wrap tr {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 8px;
  }
  .table-wrap td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border: none;
    font-size: 13px;
    min-height: 28px;
  }
  .table-wrap td::before {
    content: attr(data-label);
    font-size: 11px;
    color: var(--text-mut);
    text-transform: uppercase;
    letter-spacing: .4px;
    min-width: 110px;
    flex-shrink: 0;
  }

  /* Two-col → single */
  .two-col { grid-template-columns: 1fr !important; }

  /* Stats grid → 2 cols */
  .stats-grid { grid-template-columns: 1fr 1fr; }

  /* Page header wrap */
  .page-header { flex-wrap: wrap; gap: 8px; }
  .page-title  { font-size: 16px; }

  /* Filters stack */
  .filters { flex-direction: column; align-items: stretch; }
  .filters .form-control { max-width: 100% !important; }

  /* Modals: bottom sheet */
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal {
    max-width: 100% !important;
    width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 90vh;
    overflow-y: auto;
  }

  /* Card padding */
  .card { padding: 14px; }

  /* Buttons: minimum touch target */
  .btn { min-height: 40px; }
}

@media (max-width: 420px) {
  .stats-grid { grid-template-columns: 1fr; }
  .header__logo { font-size: 13px; }
  .card { padding: 12px; }
}