* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, sans-serif; background: #f4f6f8; color: #111; }
.container { max-width: 980px; margin: 32px auto; padding: 0 16px; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
h1 { margin: 0 0 6px 0; font-size: 22px; }
.sub { margin: 0; color: #444; }

.card {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 10px;
  padding: 18px; margin-top: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; font-size: 13px; margin-bottom: 6px; color: #333; }
.field input, .field select {
  width: 100%; padding: 10px 10px; border: 1px solid #d1d5db; border-radius: 8px;
  font-size: 14px; outline: none;
}
.field input:focus, .field select:focus { border-color: #2563eb; }

.actions { margin-top: 14px; display: flex; gap: 10px; justify-content: flex-end; }

.btn {
  border: none; border-radius: 8px; padding: 10px 14px;
  font-size: 14px; cursor: pointer;
}
.btn-primary { background: #2563eb; color: #fff; }
.btn-secondary { background: #e5e7eb; color: #111; }
.btn-ghost { background: transparent; color: #111; padding: 6px 10px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.msg {
  margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: 14px;
}
.msg.ok { background: #ecfdf5; border: 1px solid #10b981; color: #065f46; }
.msg.err { background: #fef2f2; border: 1px solid #ef4444; color: #7f1d1d; }

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35);
  display: none; align-items: center; justify-content: center; padding: 18px;
}
.modal[aria-hidden="false"] { display: flex; }
.modal-content {
  width: 100%; max-width: 760px;
  background: #fff; border-radius: 12px; border: 1px solid #e5e7eb;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.modal-header {
  padding: 14px 16px; border-bottom: 1px solid #e5e7eb;
  display: flex; align-items: center; justify-content: space-between;
}
.modal-body { padding: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

@media (max-width: 720px) {
  .grid, .grid-2 { grid-template-columns: 1fr; }
}