*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f1f5f9;
  color: #1e293b;
  min-height: 100vh;
}

.page { max-width: 1100px; margin: 0 auto; padding: 24px; }

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 { font-size: 16px; color: #475569; margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 12px; background: #f8fafc; color: #64748b; font-weight: 600; border-bottom: 1px solid #e2e8f0; }
td { padding: 10px 12px; border-bottom: 1px solid #f1f5f9; }
tr:hover td { background: #f8fafc; }

input, select, textarea {
  width: 100%; padding: 8px 12px; border: 1px solid #e2e8f0;
  border-radius: 8px; font-size: 14px; outline: none;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: #3b82f6; }

.btn {
  display: inline-block; padding: 8px 18px; border-radius: 8px;
  font-size: 14px; cursor: pointer; border: none; transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: #3b82f6; color: #fff; }
.btn-success { background: #10b981; color: #fff; }
.btn-danger  { background: #ef4444; color: #fff; }
.btn-ghost   { background: #f1f5f9; color: #475569; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 12px; color: #64748b; font-weight: 600; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: #fff; border-radius: 12px; padding: 16px 20px; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.stat .val { font-size: 28px; font-weight: 700; color: #1e293b; }
.stat .lbl { font-size: 12px; color: #94a3b8; margin-top: 2px; }

.empty { text-align: center; padding: 40px; color: #94a3b8; font-size: 14px; }

.tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.tab { padding: 8px 16px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 500; background: #f1f5f9; color: #64748b; border: none; }
.tab.active { background: #3b82f6; color: #fff; }

.spinner { text-align: center; padding: 40px; color: #94a3b8; }