:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --ok: #15803d;
  --shadow: 0 2px 8px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: #0f172a;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  height: 56px;
  border-bottom: 1px solid #1e293b;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 16px; font-weight: 600; margin: 0; letter-spacing: .2px; }
.logo {
  background: var(--accent); color: #fff; width: 30px; height: 30px;
  border-radius: 6px; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px;
}
.user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cbd5e1; }
.user img { width: 28px; height: 28px; border-radius: 50%; }
.user button {
  background: transparent; color: #cbd5e1; border: 1px solid #334155;
  padding: 5px 10px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.user button:hover { background: #1e293b; }
.user .ghost-dark {
  background: transparent; color: #cbd5e1; border: 1px solid #334155;
  padding: 5px 10px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.user .ghost-dark:hover { background: #1e293b; }
.role-badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
}
.role-admin  { background: #1e40af; color: #dbeafe; }
.role-editor { background: #334155; color: #cbd5e1; }

.modal-wide { width: 720px; max-width: 95vw; }
.users-table {
  width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px;
}
.users-table th, .users-table td {
  padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left;
}
.users-table th {
  color: var(--muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .4px;
}
.users-table select {
  padding: 4px 6px; border: 1px solid var(--border); border-radius: 4px; background: #fff;
}
.users-table em { color: var(--muted); font-style: normal; font-size: 11px; }
.link-danger {
  background: transparent; border: 0; color: var(--danger);
  cursor: pointer; padding: 0; font-size: 13px; text-decoration: underline;
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - 56px);
}

.sidebar {
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 16px;
  gap: 10px;
}
.sidebar-controls { display: flex; gap: 8px; }
.sidebar-controls input {
  flex: 1; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 13px; outline: none;
}
.sidebar-controls input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(37,99,235,.15); }

/* Filter chips bar */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 6px;
  min-height: 28px;
}
.filter-bar:empty { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #eef2ff; color: #1e3a8a;
  border: 1px solid #c7d2fe;
  border-radius: 14px;
  padding: 3px 4px 3px 10px;
  font-size: 12px;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
}
.chip .chip-field { font-weight: 600; }
.chip .chip-value { color: #1e3a8a; }
.chip .chip-x {
  background: transparent; border: 0; color: #1e3a8a;
  cursor: pointer; padding: 0 6px; font-size: 16px; line-height: 1;
  border-radius: 50%;
}
.chip .chip-x:hover { background: #c7d2fe; }
.chip.add-chip {
  background: transparent; color: var(--muted); border: 1px dashed var(--border);
  padding: 3px 10px; cursor: pointer; font-weight: 500;
}
.chip.add-chip:hover { background: #f1f5f9; color: var(--text); border-color: var(--accent); }
.chip-clear {
  background: transparent; border: 0; color: var(--muted);
  cursor: pointer; font-size: 12px; padding: 3px 6px;
  text-decoration: underline;
}
.chip-clear:hover { color: var(--danger); }

/* Filter picker popover */
.filter-pop {
  position: absolute; z-index: 100;
  background: #fff; border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 10px 30px rgba(15, 23, 42, .15);
  padding: 14px; width: 300px;
}
.filter-pop-step { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.filter-pop-step label { font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.filter-pop-step select {
  padding: 7px 8px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; outline: none; background: #fff;
}
.filter-pop-step select:focus { border-color: var(--accent); }
.filter-pop-actions { display: flex; justify-content: flex-end; gap: 8px; }
.filter-pop-actions button { padding: 6px 12px; font-size: 13px; }
.filter-pop-actions .primary:disabled {
  background: #cbd5e1; cursor: not-allowed;
}

button.primary {
  background: var(--accent); color: #fff; border: 0;
  padding: 8px 12px; border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 13px;
}
button.primary:hover { background: var(--accent-hover); }
button.danger {
  background: #fff; color: var(--danger); border: 1px solid var(--danger);
  padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 500;
}
button.danger:hover { background: var(--danger); color: #fff; }
button.ghost {
  background: #fff; color: var(--text); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
button.ghost:hover { background: #f1f5f9; }

#customerSelect {
  flex: 1; min-height: 0;
  border: 1px solid var(--border); border-radius: 6px;
  background: #fff; font-size: 13px; padding: 4px;
  outline: none;
}
#customerSelect:focus { border-color: var(--accent); }
#customerSelect option { padding: 6px 8px; border-radius: 4px; }
.sidebar-meta { color: var(--muted); font-size: 12px; padding: 0 4px; }

.detail {
  overflow-y: auto;
  padding: 24px 32px;
}
.empty {
  text-align: center; color: var(--muted); margin-top: 80px;
}
.empty h2 { color: var(--text); margin: 0 0 8px; font-weight: 600; }

.detail-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.detail-header h2 { margin: 0; font-size: 22px; font-weight: 600; }
.detail-header .actions { display: flex; gap: 8px; }
.detail-meta { color: var(--muted); font-size: 12px; margin-bottom: 20px; }

.group {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.group > header {
  padding: 12px 18px;
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: #475569;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.group > header .chev { transition: transform .15s; color: var(--muted); }
.group.collapsed > header .chev { transform: rotate(-90deg); }
.group.collapsed .grid { display: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px 20px;
  padding: 18px;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea {
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; background: #fff; outline: none; font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 2px rgba(37,99,235,.15);
}
.field textarea { resize: vertical; min-height: 60px; }
.field.dirty input, .field.dirty select, .field.dirty textarea {
  border-color: #fbbf24; background: #fffbeb;
}

.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: #0f172a; color: #f1f5f9;
  padding: 10px 16px; border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  font-size: 13px;
  opacity: 0; transform: translateY(8px); transition: opacity .2s, transform .2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }
.toast.ok { background: var(--ok); }

/* Modal */
.modal-bg {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .55);
  display: none; align-items: center; justify-content: center; z-index: 50;
}
.modal-bg.show { display: flex; }
.modal {
  background: #fff; border-radius: 10px; padding: 24px;
  width: 420px; box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.modal h3 { margin: 0 0 12px; font-size: 18px; }
.modal p { color: var(--muted); margin: 0 0 16px; font-size: 13px; }
.modal input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.modal .actions { margin-top: 16px; display: flex; justify-content: flex-end; gap: 8px; }