:root {
  --bg: #f7f7f8;
  --fg: #171717;
  --muted: #737373;
  --card: #fff;
  --border: #e5e5e5;
  --sidebar: #fafafa;
  --danger: #dc2626;
  --primary: #171717;
  --primary-fg: #fff;
  --ring: #a3a3a3;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, Segoe UI, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
}
a { color: inherit; text-decoration: none; }
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  padding: 8px;
  margin-bottom: 8px;
}
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--primary); color: var(--primary-fg);
  display: grid; place-items: center; font-size: 14px;
}
.nav-label {
  color: var(--muted); font-size: 12px; font-weight: 600;
  padding: 12px 8px 6px;
}
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-link {
  padding: 9px 12px; border-radius: 8px; font-size: 14px;
}
.nav-link:hover { background: #f0f0f0; }
.nav-link.is-active { background: var(--primary); color: var(--primary-fg); }
.sidebar-footer { margin-top: auto; padding-top: 16px; }
.user-chip { padding: 8px; font-size: 13px; color: var(--muted); }
.user-chip strong { display: block; color: var(--fg); }
.shell { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 64px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px;
  background: #fff;
}
.crumbs { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; }
.crumb-sep { opacity: .5; }
.content { padding: 24px; overflow: auto; }
.page-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.page-head h1 { margin: 0 0 6px; font-size: 28px; }
.muted { color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { font-size: 13px; color: var(--muted); font-weight: 600; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid transparent; border-radius: 8px;
  padding: 8px 14px; font-size: 14px; cursor: pointer; background: var(--primary); color: var(--primary-fg);
}
.btn:hover { opacity: .92; }
.btn-outline { background: #fff; color: var(--fg); border-color: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn-block { width: 100%; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.login-card h1 { margin: 0 0 8px; font-size: 22px; }
.form { display: grid; gap: 14px; }
.form label { font-size: 14px; font-weight: 600; display: block; margin-bottom: 6px; }
.input, select, textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; font: inherit; background: #fff;
}
textarea { min-height: 90px; resize: vertical; }
.row { display: grid; gap: 14px; }
.row-2 { grid-template-columns: 1fr 1fr; }
.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 600;
  position: sticky;
  top: 12px;
  z-index: 15;
  border: 1px solid transparent;
}
.alert-success { background: #ecfdf3; color: #067647; border-color: #abefc6; }
.alert-error { background: #fef3f2; color: #b42318; border-color: #fecdca; }
.field-error { color: #b42318; font-size: 13px; font-weight: 500; margin: 6px 0 0; }
.input.is-invalid, select.is-invalid, textarea.is-invalid,
.dropzone.is-invalid { border-color: #dc2626; box-shadow: 0 0 0 3px rgba(220, 38, 38, .12); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat b { display: block; font-size: 28px; margin-top: 8px; }
.toolbar { display: flex; gap: 8px; align-items: center; }
.empty { text-align: center; padding: 48px 16px; color: var(--muted); }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }
.dropzone {
  border: 1px dashed var(--border); border-radius: 8px; min-height: 180px;
  display: grid; place-items: center; background: #fafafa; cursor: pointer; position: relative; overflow: hidden;
}
.dropzone img { width: 100%; height: 180px; object-fit: contain; background: #fff; }
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
  display: none; place-items: center; padding: 16px; z-index: 20;
}
.modal-bg.open { display: grid; }
.modal { background: #fff; border-radius: 12px; width: min(480px, 100%); padding: 20px; }
.modal h2 { margin: 0 0 8px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.line-clamp { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; }
  .stats, .row-2 { grid-template-columns: 1fr; }
}