* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f3f4f6;
  color: #0f172a;
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px;
}

.header {
  background: #111827;
  color: #fff;
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 12px;
}

.header h1 {
  margin: 0 0 10px;
  font-size: 24px;
}

.user {
  line-height: 1.45;
  font-size: 14px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.tabs button,
.filters button,
.actions button,
.status-grid button {
  border: 0;
  border-radius: 14px;
  padding: 12px;
  background: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

h2 {
  margin: 10px 0 12px;
  font-size: 22px;
}

.filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 12px;
  padding-bottom: 4px;
}

.filters button {
  white-space: nowrap;
  background: #e5e7eb;
}

.filters button.active {
  background: #111827;
  color: #fff;
}

.card {
  background: #fff;
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  line-height: 1.5;
}

.card-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.actions button {
  background: #111827;
  color: #fff;
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
}

.status-grid button {
  background: #e5e7eb;
}

pre {
  background: #111827;
  color: #fff;
  padding: 12px;
  border-radius: 12px;
  white-space: pre-wrap;
}