:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #e1e4e8;
  --text: #1f2328;
  --text-dim: #6a737d;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --danger-dark: #b91c1c;
  --warn-bg: #fff7e6;
  --warn-border: #f0c36d;
  --err-bg: #fdecea;
  --err-border: #f3a29a;
  --ok-bg: #eaf7ee;
  --ok-border: #a9dcb8;
  --radius: 8px;
}

* { box-sizing: border-box; }

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

.hidden { display: none !important; }

/* ── Login ───────────────────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1f2937, #111827);
}
.login-box {
  background: var(--panel);
  padding: 32px 36px;
  border-radius: var(--radius);
  width: 320px;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.login-box h1 { margin: 0 0 4px; font-size: 20px; }
.login-box .sub { margin: 0 0 20px; color: var(--text-dim); font-size: 13px; }
.login-box label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--text-dim); }
.login-box input { width: 100%; margin-top: 4px; }
.login-box button { width: 100%; margin-top: 6px; }

input, select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ── Topbar / tabs ───────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar-title { font-weight: 600; font-size: 16px; }
.topbar-user { display: flex; align-items: center; gap: 12px; color: var(--text-dim); }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: none;
  border: none;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.content { padding: 20px; }

/* ── Toolbar / table ─────────────────────────────────────────────────── */
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.search-box { width: 280px; }
.toolbar-count { color: var(--text-dim); margin-left: auto; font-size: 13px; }

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--text-dim); font-weight: 600; background: #fafbfc; white-space: nowrap; }
tbody tr:hover { background: #f9fafb; }
tbody tr:last-child td { border-bottom: none; }
td.empty-row { text-align: center; color: var(--text-dim); padding: 30px; }

.row-error td { background: var(--err-bg); }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-ok { background: var(--ok-bg); color: #1a7431; border: 1px solid var(--ok-border); }
.badge-warn { background: var(--warn-bg); color: #8a5a00; border: 1px solid var(--warn-border); }
.badge-err { background: var(--err-bg); color: var(--danger-dark); border: 1px solid var(--err-border); }
.badge-neutral { background: #eef0f2; color: var(--text-dim); border: 1px solid var(--border); }

.muted { color: var(--text-dim); }
.mono { font-family: "SFMono-Regular", Consolas, monospace; font-size: 12px; }

.actions-cell { white-space: nowrap; }
.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 9px;
  cursor: pointer;
  font-size: 12px;
  margin-right: 6px;
}
.icon-btn:hover { background: #f1f3f5; }
.icon-btn.danger { color: var(--danger); border-color: #f3c4c0; }
.icon-btn.danger:hover { background: var(--err-bg); }

.pager { display: flex; align-items: center; gap: 10px; margin-top: 12px; justify-content: flex-end; color: var(--text-dim); font-size: 13px; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}
.btn:hover { background: #f1f3f5; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: none; border: none; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-dark); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Modals ──────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(17,24,39,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal-box {
  background: var(--panel);
  padding: 26px 28px;
  border-radius: var(--radius);
  width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,.3);
}
.modal-box h2 { margin: 0 0 16px; font-size: 17px; }
.modal-box label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--text-dim); }
.modal-box input, .modal-box select { width: 100%; margin-top: 4px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 12px; }

.error-msg {
  background: var(--err-bg);
  border: 1px solid var(--err-border);
  color: var(--danger-dark);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 12px;
}

.details-toggle { cursor: pointer; color: var(--accent); font-size: 12px; }
.details-json {
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  background: #f6f8fa;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin-top: 6px;
  max-width: 420px;
}

.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  background: #1f2937;
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13px;
  z-index: 100;
}
.toast.err { background: var(--danger-dark); }