* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: #f4f6f8;
  color: #1f2d3d;
}
.muted { color: #8a97a6; font-size: 13px; }
.error { color: #d93025; font-size: 13px; margin-top: 8px; }

/* Login */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card {
  background: #fff; padding: 32px; border-radius: 12px; width: 320px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08); text-align: center;
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card input, .login-card button {
  width: 100%; padding: 12px; margin-top: 12px; border-radius: 8px; font-size: 15px;
}
.login-card input { border: 1px solid #d6dce2; }
.login-card button { border: none; background: #1677ff; color: #fff; cursor: pointer; }

/* Layout */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  background: #fff; padding: 14px 24px; border-bottom: 1px solid #e6eaee;
}
.link-btn { background: none; border: none; color: #1677ff; cursor: pointer; font-size: 14px; }
.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.card { background: #fff; border-radius: 10px; padding: 18px; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.card .value { font-size: 28px; font-weight: 700; }
.card .label { color: #8a97a6; font-size: 13px; margin-top: 4px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: #fff; border-radius: 10px; padding: 18px; box-shadow: 0 1px 4px rgba(0,0,0,.05); margin-bottom: 16px; }
.panel h2 { margin: 0 0 14px; font-size: 16px; }
.panel h3 { margin: 20px 0 10px; font-size: 14px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #eef1f4; }
th { color: #8a97a6; font-weight: 600; font-size: 12px; text-transform: uppercase; }

.filters, .row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filters input, .filters select, .row input, .row select,
.broadcast input, .broadcast textarea, .broadcast select {
  padding: 9px 12px; border: 1px solid #d6dce2; border-radius: 8px; font-size: 14px;
}
.broadcast { display: flex; flex-direction: column; gap: 6px; max-width: 640px; }
.broadcast label { font-size: 13px; color: #5a6b7b; margin-top: 8px; }
button { padding: 9px 16px; border: 1px solid #d6dce2; background: #fff; border-radius: 8px; cursor: pointer; font-size: 14px; }
button.primary { background: #1677ff; color: #fff; border: none; }
.badge-yes { color: #18794e; font-weight: 600; }
.badge-no { color: #b42318; }

@media (max-width: 820px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}